Customer Install Guide for Steri-Trac Monitors

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35. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 35 If the sensor does not respond as described above, refer to troubleshooting chart on p 42 .

17. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 17 C

37. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 37 If successful t he monitor will flash in green Z0.0 (or 29.3 for oxygen sensor) several times. Then the monitor will display in sequence the low alarm setting, high alarm setting, the horn vol ume, then it wil l display Z0.0 (or 29.3 for oxygen sensor). If the Z0.0 is GREEN, the zero adjust was successful. The monitor will then return to the main display. If the Z0.0 is RED, the zero - adjust was NOT successful. Refer to troubleshooting chart on p 42 .

21. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 21 Mounting instructions continued on next page 

6. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 6 D . Wall Box E. Remote Display mount the entire area monitor. Wall Box (D) : Each area monitor mounts to its o wn ChemDAQ wall box. The wall box contains the power supply which converts the line - in AC power to DC. Although the wall box comes with its own AC power cord, you have the option of hard - wiring it into your electrical system. For systems using remote sen sor modules or remote displays, the wall box contains the terminal blocks for connecting the signal cables . The wall box is designed to be mounted to the surface of the wall and should NOT be recessed. ( See mounting instructions on p.19 ) Remote Display (E): This unit does NOT detect gas. Rather, it duplicates the readout and alarm indications from its parent gas monitor. Often remote displays are mounted next to doorways, allowing you to see the ppm levels inside the next room without having to enter a potentially hazardous area. A signal cable (included with your shipment) connects the remote display to the gas monitor. The cable carries data as well as the 15VDC supplied by the monitor . The label on the front of the unit will identify it as a remote display, helping you distinguish it from the area monitor.

14. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 14 Information on remote displays continued on next page.  7. If your ChemDAQ system has more than one remote display con nected to a single area monitor, decide which cabling configuration works best. (See bel ow.) Y ou can - daisy chain multiple remote displays to the gas monitor. Or each remote display can have its own cable run ba ck to the gas monitor (star configuration). Or you can combine star and daisy - chain. Each area gas monitor can support a MAXIMUM of THREE remote displays, regardless of cable configuration. (In instances where more than three remote displays per gas monitor are required, the additional remote displays need supplemental power. Talk to your ChemDAQ technician for additional information. ) Daisy chain Star Area Monitor Area Monitor Area Monitor Combination daisy chain, Star Remote Display Cable

22. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 22 A B C D 3. Before mounting ChemDAQ wall box, double - check the following: a. Orient the wall box so the strain relief nut (A) for the power cord is on the BOTTOM. b. Verify the w all box configuration matches the monitor type. Wall boxes for standard monitors (B) have only one strain relief nut (A), for the power cord. Wall boxes for remote sensor monitors (C) require TWO strain relief nuts (D), one for the p ower cord and one for the remote sensor cable. 4. M ount the wall box using wall anchors and #6 (3.5mm dia.) screws, or fasten it to electrical box. Be careful not to damage components on the circuit board.

1. © ChemDAQ ® Inc. 2008, 2012, All Rights Reserved CM - 113 - A - 0 .00 8/15 /12 Customer Installation Guide For the Steri - Trac ® Sterilant Gas Monitors Area Monitors and Remote Displays Covering Standard and Remote Sensor Configurations ( Non I.S.)

8. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 8 Planning The Installation 1. Determine Where you Will Mount Each Area Monitor Wall Box. Before installing the ChemDAQ wall box for each area monitor, give carefu l thought regarding placement. The following g uidelines are important but cannot account for every conceivable environment. Please use the information below in conjunction with your own good judgment. Contact the ChemDAQ technical support team if you need addit ional help. (Contact info rmation is on p. 4 ) For instructions on the placement of standard area monitors, see p . 9 For instructions on the placement of remote sensor monitors, see p 11 . Standard Area Monitor Remote Sensor Monitor Remember, you will mount a wall box for each area monitor. Use the information on the following pages to plan t he best location.

31. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 31 A B 10. Mount the Remote Sensor If your system does not include a remote sensor unit, you may skip this step. 1. If the sensor will sit on a free - standing sterilizer as shown (A) , simply attach using the enc losed Velcro strips. Typically ChemDAQ technicians will place the sensor mount flush to the front edge of the sterilizer . Note: For hydrogen peroxide sterilizers, it’s possible to see brief readings of 5ppm or higher when the door is opened after a load is run, resulting in the gas monitor alarming. If this happens, try adjusting the low alarm to 7.0 or 10ppm. See page 38 . Safety Note: Workers should avoid reaching into the sterilizer until ppm readings drop BELOW 1.0ppm. 2. For wall - mounting, use the 2 keyhole slots (B) in the back of the remote sensor mount. Be sure to review the sensor - placement guidelines on page 11 .

2. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 2 Safety and Legal Notices SAFETY : THIS MANUAL MUST BE CAREFULLY READ BY ALL INDIVIDUALS WHO HAVE OR WILL HAVE THE RESPONSIBILITY FOR INSTALLING, USING OR SERVICING THIS PRODUCT. LIKE ANY PIECE OF COMPLEX EQUIPMENT, THIS PRODUCT WILL PERFORM AS DESIGNED ONLY IF INSTALLED, USED AND SERVICED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS. OTHERWISE, IT COULD FAIL TO PERFORM AS DESIGNED AND PERSONS WHO RELY ON THIS PRODUCT FOR THEIR SAFETY COULD SUSTAIN SEVERE PERSONAL INJURY OR DEATH. The warranties made by ChemDAQ Incorporated with respect to these products are voided if the products are not installed, used and serviced in accordance with the instruc tions in this manual. Please protect yourself and others by following them. We encourage our customers to write or call regarding this equipment prior to use or for any additional information relative to use or repairs. Information in this document is s ubject to change without notice. No part of this document may be reproduced or transmitted win any form or by any means, electronic or mechanical for any purpose without express permission of ChemDAQ Inc. ChemDAQ has patents or pending patent applications, trademarks copyrights and other intellectual property rights covering this subject matter in this document. The furnishing of this document does not give you license to these patents, trademarks, copyrights, or other intellectual property except as expres sly provided in any written license agreement from ChemDAQ Inc. See ChemDAQ’s Standard Terms and Conditions for Warranty Information. Available at www.Chemdaq.com ChemDAQ ® Technical Services Department techservice@chemdaq.com 800.245.3310 x310 Local: 412.787.0202 x310 ChemDAQ ® Incorporated Suite 330, 300 Business Center Dr. Pittsburgh, PA 1520 5

42. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 42 Appendix 4: Sensor Installation Troubleshooting Problem Possible Diagnosis Try the Following: Monitor display is stuck on READ. Sensor firmware is frozen . If READ does not clear after 30 seconds, remove sensor from monitor then reconnect. NO SNSR message is flashing Monitor cannot detect sensor.  This is normal operation when no sensor is connected to the monitor.  If a sensor is connected , reboot monitor. ( Disconnect power to monitor , wait several seconds, then apply power again.)  If this does not solve the problem and the monitor is a remote - sensor configuration, open the access door to the remote sensor mount and verify green plug is inserted /wired securely and correctly. (see p. 30 ) Disconnect power to gas monitor before performing next step.  Verify remote sensor connections in ChemDAQ wall box are correct (see p. 26 ). Error Code 0001 Sensor - type mismatch. The sensor gas - type does not match the area monitor gas - type. Verify the ring color on the sensor module matches the gas - type of the area monitor. Orange: Ethylene O xide Blue: Hydrogen Peroxide Brown: Peracetic Acid Light Green: Ozone Otherwise, contact ChemDAQ technical services. Error Code 0002 Under - range. Sensor is reading a negative value. If the sensor has just been installed, give it several minutes to settle . If this does not resolve the problem, contact ChemDAQ technical services. Continued on next page. 

10. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 10 8. L eave sufficient clearance around the wall box to allow room for the monitor and removal of the sensor. Beware of abutting the wall box against pipes, equipment, or other obstacles which would interfere with mounting the area monitor. 6 inches / 15cm 1 inch/2.5cm 1 inch/2.5cm 2 inches / 5cm

41. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 41 Appendix 3: Remote Display Troubleshooting Problem Possible Diagnosis Try the Following: Remote display remains d ark Remote d isplay is not getting power.  Verify its parent gas monitor is powered and its display illuminated. If not, r efer to “Area Monitor Troubleshooting” table.  Remove remote display access door and confirm green connector is inserted correctly and securely. Also, confirm red and black wires are inserted correctly in their terminals. (see page 32 ) Before doing the following, unplug wall box power cord from outlet (o r open switch/ circuit breaker).  Open ChemDAQ wall box and verify remote display cables are connected correctly and securely (See p. 26 ), especia lly the red and black wires. NO SNSR message is flashing Monitor cannot detect sensor. This is normal operation when no sensor is connected to the monitor. If a sensor is connected, refer to “ Sensor Installation Troubleshooting” table. 0001, 0002 or 0 003 error code. See sensor “Sensor Installation Troubleshooting” table below. 0104 error code Is 0104 being displayed on parent gas monitor? If so, contact ChemDAQ technical support. If 0104 is displayed on remote display only, communications s ignal w ires (white, blue) are reversed or not connected correctly in wall box or in remote display. See p. 26 , 32 .

3. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 3 Definition of Symbols The following symb ols are found on the monitor display wall box Electrical Shock Hazard **CAUTION** Double Pole / Neutral Fusing Ground Terminal

16. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 16 wa ll ChemDAQ Wall Box 4x4 A B 4. Decide how you will route signal / electrical cabling i nto the ChemDAQ wall boxes. There are several options for routing cable into the wall box: □ Option 1: Route cable t hrough 1” conduit from the ChemDAQ wall box to the ceiling as shown in figure A . (See installation instructio ns and list of parts needed on p. 24 before initiating the work. ) □ Option 2: Mount the ChemDAQ wall box onto a RECESSED standard 4x4 (10.2 x 10.2 cm) electrical box as shown (B) . The mounting holes in the ChemDAQ wall box match the screw - hole pattern s on most 4x4 electrical boxes. Be sure to verify, however, before installing. □ Option 3: Route the signal cable through wire molding as shown (C) . A cable clamp and adaptor rings are included in your shipment. (See p. 24 for instructions.) This section only applies if a) Your system includes remote displays b) OR you have chosen to electrically hardwire the ChemDAQ wall boxes. c) OR You have chosen to run wire to the relay contacts in the wall box. (See n ext page.) Otherwise you may skip this section.

24. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 24 Install conduit adaptor plate. A B C D E Wall box 4. If you are using the cable adaptor, install it now. 1. Remove the solid cover plate (A) from the top of the wall box and replace it with the conduit adaptor plate (B). 2. Install the reducing washers and cable clamp as shown (C). Tighten the locknut (D) securely. 3. Once the cable is installed, reme mber to tighten the clamp screws (E) so the clamp snuggly grips the cable . Tools Needed:  Medium Phili ps head screwdriver. If you are routing remo te display signal cable into the ChemDAQ wall box through the top cut - out without the use of conduit (as shown on right), use the cable clamp and adaptor rings provided as explained below. Otherwise, you may skip this section.

40. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 40 Appendix 2: Area Monitor Troubleshooting Problem Possible Diagnosis Try the Following: When power is applied, area monitor display remains dark. Monitor is Not Getting Power  Verify electrical outlet (or circuit) has power. Before doin g the following, unplug power cord from outlet ( or open switch/ circuit breaker ) .  Open wall box and verify all cables between lid and circuit board are connected.  Verify AC - In connections are correct and secure. (see page 26 ) NO SNSR message is flashing Monitor cannot detect sensor. This is normal operation when no sensor is connected to the monitor. If a sensor is connected, see “Sensor Installation Troubleshooting.” 0001, 0002 or 0003 error code. See “Sensor Installation T roubleshooting” table below. 0104 error code Gas monitor display is unable to process received data. Contact ChemDAQ technical services. ChemDAQ ® Technical Services Department techservice@chemdaq.com 800.245.3310 x310 Local: 412.787.0202 x310

4. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 4 Who is Qualified to Perform Installation? The enclosed procedures should be performed by someone with ba sic electrical / maintenance experience. If the installation requires adding outlets or running additional electrical wire, the work should only be perf ormed by licensed professionals as required by state, provincial, or local law. You will find the inst allation procedures are clearly explained step - by - step. However, if you have questions or need technical assistance, we welcome your call. Please contact: ChemDAQ ® Technical Services Department : techservice@chemdaq.com Phone: 800.245.3310 x310 ( Local: 4 12.787.0202 x310 ) Tools Needed: A complete list of tools can be found at the beginning of each s et of installation instructions starting on page 20 . Accessories Supplied by Customer. The following hardware used for mountin g the ChemDAQ components will be provided by the customer:  For mounting wall boxes: Wall anchors and screws (#6 or 3.5mm dia. ).  For mounting remote displays: Wall anchors and screws (#6 or 3.5mm dia. FLAT HEAD recommended). If required, t he following elec trical supplies w ill be supplied by the customer. (Note: The parts listed below do not apply to all customers.)  Electrical Wire (14 AWG /1.6mm dia. SJ or SJO) if you choose to hardwire the electrical boxes.  E lectrical Box es , outlets, switches, circuit brea kers, conduit etc.  Cosmetic accessories such as wire molding or face plates. ChemDAQ will supply the signal cabling between the Steri - Trac Components as per purchase agreement.

29. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 29 Figure # 1 : power until directed to do so. 8. Mount the area monitor to the wall box. 1. The monitor display mates with the wall box as shown. 2. Insert the two #8 Phillips Head screws into the mounting brackets found on t he top and bottom of the monitor. Tighten until snug with screwdriver. Do NOT plug in the AC power cord or turn on power until you have connected any remote sensor or remote displays. Tools Required:  Small flat blade screw driver (≤1/8 inch)  Medium Philips head screwdriver.

19. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 19 Installation Work 1. Run Signal Cable from ChemDAQ Wall Box Location to Remote Display Location. 1. Use only the signal cable provided by ChemDAQ. Do not substitute cable. 2. If multi ple remote displays are connected to one area monitor, review wiring options on p. 14. 3. When tie - wrapping cable to metallic conduit, please make sure:  The conduit does not contain feeder cables to motor loads >5 HP.  The conduit is not powering variable fre quency d rives to any motor load.  The conduit is not serving as the main Feeder to transformers or panel b oards.  The conduit is not powering X - Ray or RF Frequency loads.  The conduit is not serving three phase loads.  Verify the conduit is grounded to negate transient EMF or magnetic fields which may be present.

33. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 33 W iring middle remote display in daisy chain 1 - V+ RED 2 - V+ RED 3 - RX + WHITE 4 - RX - BLUE 5 - TX+WHITE 6 - TX - BLUE 7 - GND - BLAC K 8 - GND - BLACK RX - Signal - Receive (From monitor) TX - Signal - Transmit to next remote display. For last unit on chain, use wiring diagram on previous page.

13. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 13 keyhole Access door Signal cable A B C C 2. Decide Where You Will Place the Remote Displays If your system does not include a remote display, you m ay skip this section. Before mounting the displays, refer to the instructions on page 25 . 1. The remote display duplicates the readout and alarm indications from its parent gas monitor. It does not detect gas. Typically it is mounted by a door which lead s into an area where a gas monitor is located. (See A.) 2. Mount t he remote display high enough to be readily visible , while also keeping it safe from collision with swinging doors, carts , and other traffic. 3. The button on the di splay silences the alarm horn , so consider mounting it within arm’s reach (C) . The button silences ONLY the remote display. It does not silence the parent gas monitor, nor does it silence other remote displays. 4. The remote display receives its 15VDC power f rom its parent gas monitor through a signal cable (see A) so it’s NOT necessary to mount it near an electrical outlet. 5. You will mount the display using flathead screws (provided by customer.) Note the k eyhole slots on the back (B). Because the unit is lig htweight, two diagonal screws will suffice . Option : In locations where installing mounting screws is impractical, industrial grade Velcro strips are sufficient to hold it in place. 6. The remote display cable will feed through a grommet on the top edge of t he rem ote display. (Note the cable in picture A .) Option : If you prefer to keep the signal cable hidden from sight, mount the display over an electrical box and route the cable through t he grommet in the access door (C ) . (Note: The unit will be mounted i n the same manner as described i n step 5 above.)

25. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 25 keyhole Access door #6 (3.5mm) FLAT HEAD screws and wall anchors 5. Mount Remote Display (s) Note: Where installing mounting screws is impractical, the remote display can be mounted with industrial grade Velcro. 1. Review the criteria p. 13 for placing the remote display. 2. Install mounting screws in the wall to match the keyholes on the back of the remote display. In most cases two (diagonal) screws are sufficient. On p. 44 of this manual, you will find a template for installing the mounting screws.  I f you printed your manual from an electronic copy, please measure the template to make sure the printing process did not distort its size . Tools Needed:  #6 (3.5mm dia.) FLAT HEAD screws and wall anchors. (2 or 3 per remote display.)  Wall Mounting Equipment:  Drill  Screw drivers  Optional: Velcro strips

11. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 11 R emote sensor mount showing keyhole slots for wall - mounting. B A 1B. Decide Where You Will Mount The ChemDAQ Wall Box (F or Remote - Sensor A rea Monitor s ) If your system does not include remote - sensor configured area monitors, you may skip these sections (1B, 1C). 1. Since the sensor will be placed on the remote sensor mount (A) , the location of the wall box does not affect the placement of th e sensor. The sensor location will be determined independently. 2. If the sensor will be placed on top of a free - standing sterilizer , the area monitor display should be located where it’s readily visible to someone using the sterilizer - such a s above and beh ind as shown (B) . 3. Keep in mind that the menu button on the front of the area monitor must be accessible. (C) This button silences the alarm and will also be used during the sensor - replacement. 1C. Decide Where You Will P lace the Remote Sensor Mount 1. In most cases the remote sensor will be placed on top of a free - standing sterilizer and fixed in place with Velcro strips (included). 2. If #1 above does not apply to your situation, read the guidelines on p. 9 : Deciding Where to Mount the Wall Box (For the Standard Area Monitor) . The same principles apply when choosing where to locate a remote sensor. 3. Keyhole slots in the back of the remote sensor mount allow it to be wall - mounted. 4. C

28. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 28 Gasket A B C D 7. Secure Lid to ChemDAQ Wall Box 1. Verify electrical power is disconnected from Ch emDAQ wall box. 2. Position the gasket onto the wall box lid. (Be sure to do thi s BEFORE connecting the cables. ) 3. The cables on the lid connect to the circuit board inside the wall box as follows. (Note: The connectors are keyed to prevent you from plugging them into the wrong pins.) □ Connect the single wire (A) to one of the GND terminals on J - 8 in the circuit board □ Connect the white 3 - pin plug (B) to the white J4 connector on the wall box circuit board. □ Connect the white 4 - pin plug (C) to the white J5 con nector on the wall box circuit board. □ Connect the black 16 - pin plug (D) to the black J6 connector on the wall box circuit board. 4. Secure the lid onto the wall box by installing the six Philips Head screws. Do NOT plug in the AC power cord or turn o n Tools Required:  Small flat blade screw driver (≤1/8 inch, ≤3mm)  Medium Philips head screwdriver.

20. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 20   B A C 4x4 D E F 2. Mo unt the ChemDAQ Wall Box Remember, the ChemDAQ wall box is to be SURFACE mounted (A), not recessed (B). 1. If you have chosen to install the ChemDAQ wall box ont o a recessed electrical box (C ) , install the electrical box at this time. 2. To mount the ChemDAQ wall box, you will need to remove the cover plate (D) by doing the following: a. Using a medium Philips head screw driver, remove the six screws. b. You’ll find se veral cables connecting the power supply on the lid to the circuit board in the w all box. Carefully unplug these from the CIRCUIT BOARD. (E) (Note: Do not pull on the wires. Rather, pull by the connector.) c. Using the small screwdriver, loosen the terminal screw to release the ground wire (F ). Tools Needed:  Medium Philips head screw driver.  Small flat blade screw driver, ≤1/8 inch blade.  Wall - mounting tools:  Drill  Screwdrivers  Wall anchors and #6 screws (3.5mm dia.), 4 per wall box. Not required if you are mounting to a recessed electrical box.)

44. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 44 Appendix 5: Remote Display Mounting Template Use wall anchors and #6 (3.5mm dia.) flat head screws Note: If you printed this manual from an electronic version, t he scale of this drawing may have been distorted. Measure from point A to Point B below to verify proper ratio. Point A to Point B (hole center to hole center) = 9cm or 3 9/16 inches. A B

27. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 27 Prepare the cables as shown in picture below. The diagram below shows the wiring assignments. Wire Assignments in Wall Box Relay Contacts: A1 = Hi Alarm A2 = Low Alarm NO= Normally open NC= Normally closed COM=Common Signal / Electric Cable About ¼ ” (6mm) Fiberglass Sleeve Strip cable jacket and wire insulation as shown. Cut fiberglass sleeve to length (4 - 6”/ 10 - 15 cm) to completely cover cable in wall box. Preparing cables for termination: About 1 ½ ” (4cm)

23. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 23 Install conduit adaptor plate. A B D D Threaded adaptor E C 3. If you are using the 1 - inch conduit option, install the conduit now. 1. Remove the solid cover plate (A) from the top of the wall box and replace it with the conduit adaptor plate (B). 2. IMPORTANT: When installing the conduit through the top opening, if t he threaded adaptor (C) contact s the circuit board, observe the following instructions: a. Before inserting the conduit into the wall box, screw onto the adaptor an additional ring nut (D ) . b. Insert the conduit into the box. Adju st ring “D ” so that there is a bout 1/8” (3 - 4mm) gap between the conduit and the components on the circuit board. c. Then apply a second ring nut (E ) to secure the conduit in place. Tools Needed:  Medium Philips head screwdriver.  Conduit supplies:  Conduit  Threaded adaptor (C)  2 ring nuts (D, E) If you have chosen to run signal and/or electrical cable into the ChemDAQ wall box through 1” conduit, please follow the instructions below . O therwise you may skip this section.

32. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 32 A Access door grommet s Green Remote Display Connector B C D About 1 ½ ” (4cm) Cable About ¼ ” (6mm) E 11. Wire the Remote Display Verify electrical power is disconnected from ChemDAQ wall box. 1. If the remote display is mounted on the wall , carefully lift UP the display (A) about ½ inch (1 cm) to release the mounting screws from the keyhole slots. Then pull the unit from the wall. 2. Using Philips head screwdriver, remove the access door on the back of the remote display. 3. Once the door is removed, unplug the green connector by pulling it straight out. 4. Route the signal cable into the remote display through one of the grommets on top of the monitor. (B) Or you may route it thr ough the grommet in the access door if you installed an electrical box. (C ) 5. Strip cable jacket and wires a s shown (D). 6. Insert the wires in their proper terminals on the plug. (E) Secure wires by tightening terminal screw s . (The red wire can be inserted at position 1 OR 2; black wire 7 OR 8.) If this remote display is part of a daisy chain, see diagram on next page f or connecting TWO signal cables on middle remote display(s). 7. Return the plug into it s connector on the circuit board, verifying it is aligned correctly. 8. Secure the lid to access door and re - mount the display on the wall.

7. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 7 F . Monitor Mounting Screws G. 1 - inch conduit adaptor plate, cable clamp, reducing washers. Remote Sensor Accessories Standard Accessories I. Velcro Adhesive Strips H. Fiberglass Sleeve Remote Display Acc essories J. Remote Sensor Signal Cable K. Remote Display Cable (Same as remote sensor cable shown above.) L. Fiberglass sleeve (Shown above) Accessories included in your shipment: Note: Not all accessories shown are necessarily included with your particular system. F. Monitor Mounting Screws. Secures area monitor to wal l box. G. 1 - inch Conduit Adaptor Plate, cable clamp, reducing washers . Allows you to route signal or electrical cable into ChemDAQ wall box using top cut - out, either by installing 1” conduit (provided by customer) or by inst alling the enclosed cable clam p . H . Fiberglass Sleeve: Used to protect electric cable or signal cable from heat of wall box power supply. I . Velcro Adhesive Strips: Used to secure remote sensor mount to a flat , horizontal surface. (Optional.) J . Remote Sensor Cable: Carries dat a and 15VDC power between area monitor and remote sensor mount. K. Remote Display Cable: Carries data and 15VDC power between remote display and area monitor. This same cable type is used for remote sensor cable (J). L . Fiberglass sleeve. (See ‘H ’ above.)

12. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 12 4. 1D. Avoiding Cross - Sensitivity Issues When choosing a location for your area monitors / sensors, avoid locations prone to causing cross - sensitivity issues. Review the information below. Sensor Type Possible Cross - Sensitivity Issues Ethylene Oxide (ETO) ChemDAQ’s Spot - On ® Filter technology mak es our ETO sensors the most reliable electro chemical sensor on the market, eliminating almost all cross - sensitivity issues in a typical sterile processing department. However, placing the sensor in a location where interferent chemicals are persistent c an compromise the filter, leading to false readings. In instances where your facility’s ventilation system is pulling fumes from the outside, installing inexpensive charcoal filters in the air handler has proven very effective. 1. Heavy use of Isopropyl Alc ohol : Routine use of IPA (i.e. what is typical in most sterile processing departments ) does not pose a problem; however, you should AVOID placing the sensor ...  In l ocations where heavy alcohol washes / wipe - downs are performed.  Near Medivators or other wash ers using alcohol.  Adjacent to alcohol - based hand sanitizer dispensers . 2. Other fumes which can cause cross sensitivity issues :  Engine exhaust (idling trucks, mowers, helicopters etc.)  Exhaust from propane engines such as forklifts.  S ewer fumes from floor d rains.  Ethylene Glycol (anti - freeze) For information on other gasses, please contact ChemDAQ. 800.245.3310 x310 Local: 412.787.0202 x310

5. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 5 Components shipped with your system: Main Components Take a moment to be come familiar with the ChemDAQ system components . Note: Not all components shown are necessarily included in your particular system. Sensor Module (A) : The sensor module contains the electrochemical sensor which detects the target gas. The circuitry in the module converts the analog signal to a digital ppm (parts per million) reading and sends the data to the area monitor for display . The colored ring on the sensor module identifies which gas - type the sensor module is designed to detect. Area Monitor (B & C) : The area monitor displays the ppm data received from the sensor module. It also has an alarm horn which sound s when the detected gas levels reach the alarm point. The button on the front silences the alarm and also serves as a menu access button for configuring the area monitor. Area monitors come in two configurations. On the standard configuration (B) , the sensor module connects directly to the body of the area monitor. On the remote sensor configuration (C) , the sensor is connected to a remot e sensor mount . The sensor module sends data to the area m onitor over a signal cable. This allows the user to place the sensor in a location where it would be impractical to Orange : Ethylene Oxide Blue : Hydrogen Peroxide Brown : Peracetic Acid ( Not all ring colors and gas t ypes are listed . ) Ring color indicates target gas. A. Sensor Module B. Area Monitor, Standard Configuration Area Monitor Sensor Module C. Area Monitor, Remote Sensor Configuration Area Monitor Remote Sensor Mount Horn Button Display

34. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 34 Rin g - color should match print - color on label of gas monitor. A B C D 12. Activating the Area Monitors 1. Verify the following work has been done:  Wall boxes wired and area monitors mounted.  Remote Sensor Units wired .  Remote Displays wired and mounted. 2. Apply ele ctrical power to the area monitors. (Plug in the AC power cord or close switch/ circuit breaker.) 3. Verify: The monitor display should illuminate, cycle through some test screens, and then flash ‘NO SNSR ’ (“No Sensor”). NOTE: If the monitors do not perform as described above, STOP, turn off power, check wiring in wall box, or call your ChemDAQ technician. 13. Installing Sensors. If your system contains sensors of multiple gas - types , make sure the colored ri ng on the sensor module matches the color of the gas - type printed on the label of the area monitor. (A) Note: When handling the sensors, please avoid touching the electrical connector which mates with the area monitor. 1. To install a sensor to the area mon itor , squeeze the retaining clip (B) and slide onto monitor. The sensor should be oriented as shown in (A). 2. For remote sensor units, simply slide the sensor onto the mount as shown. (C) 3. When the sensor is connected, verify:  The status LED (D) illuminates green.  The monitor display s ‘READ’ and then show the (non - adjusted) PPM reading. ( If the monitor displays READ for more than 30 seconds, remove sensor and then connect again. )  It is normal for the sensor to read something other than 0.0ppm when first i nstalled.

26. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 26 6. Connect Signal /Electrical Cables to Wall Box Terminals. Verify the Wall Box is NOT connected to electrical power before proceeding. The illustration below shows a correctly wired ChemDAQ wall box. Notice that protective fiberglass sleeves (included with system) have been installed on all cables. The sleeve provides additional protection from the heat of the power supply. See next page for wiring diagram . Remote Display Terminals (x3) Remote Sensor Terminals AC Power Terminals (Power cord or hardwiring) Fiberglass sleeve installed on all cables. Re lay Contacts Terminal This section only applies if the gas monitor has a remote sensor, a remote display, will be electrically hardwired, or you are connecting to the dry contacts. Otherwise you may skip this section. Tools Required:  Needle nose pliers (for handling wires in wall box)  Wire cutters/strippers  Small flat blade screw driver (≤1/8 inch / ≤ 3mm)  Knife / scissors (for cutting fiberglass sleeve)

30. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 30 Access door removed Grommet Remote Sensor Cable Black Blue White Red Terminal Wire Sens 1V+ Red SENS+ White SENS - Blue GND Black About 1 ½ ” (4cm) About ¼ ” (6mm) Cable 9. Wire The Remote Sensor Module If your system does not in clude a remote sensor module, you may skip this step. 1. If needed, cut the remote sensor cable to desired length 2. Remove the access door on the back of the remote sensor unit by unscrewin g the two Phillips head screws. 3. Inside t he remote sensor unit you will find a green plug seated in its connector. Remove the plug by pulling it straight out. 4. Route the signal cable into the remote sensor module through th e grommet as shown 5. Insert the wires into the green plug and tighten the terminal screws to secure the wires. 6. Insert the green connector into its plug (labeled J2 on the circuit board.) in the remote sensor unit . Verify that the wires have been connected in proper sequence. 7. Replace the gasket and access door on the remote sensor unit. Secure with Phillips - head screws. Tools Needed:  Wire strippers/ cutters  Small flat head screwdriver (≤ 1/8 inch / ≤3mm blade)  Small or medium Philips head screwdriver

39. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 39 Menu button Menu Button Principle of Operation: To enter MENU, PRESS and HOLD until “MENU” appears. Then r elease . PRESS and HOLD again to scroll through menu options. RELEASE button to select the menu option you want. To adjust settings in menu, use PRESS - AND - HOLD and RELEASE as needed. Setting Alarm Levels in Area Monitor (continued) Recommendation: Read the instr uctions through completely before attempting. Note: If you make a mistake during the procedure , just release the button. After several seconds the monitor will return to its main display. Then try again. 1. Press and hold the menu button until you see MENU on the main display. Then release the button. 2. Press and hold the button to cycle through the sub menus. When you see LALM [low alarm] displayed, release the button. 3. Press and hold the button. The alarm se tting will increase in value. Release the button when you see the value you want. (To alternate between increasing or decreasing the setting, release the button and then press and hold again .) 4. When you arrive at the desired alarm setting, release the button . After a few seconds the monitor will accep t the new alarm setting and display in sequence the low alarm setting, high alarm setting, and horn volume, and then the monitor will return to the main display. To change the high alarm setting, repeat the above steps, but in step two enter the HALM men u instead LALM.

15. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 15 3. Electrical: Decide how you will supply 110 (to 220) VAC power to the wall box of each area monitor. 1. Each ChemDAQ wall box requires 110 (to 220) VAC power . Choose one of two options:  The ChemDAQ wall box comes with an AC power cord already installed and can simply be plugged into an existing AC outlet. The cord is 48 inches (122 cm) long.  Or you can remove the power cord and hardwire the wall box directly into your electrical circuit . See hardwiring requirements below. 2. REQUIREMENTS FOR HARDW IRING : a. W ire: 14 AWG (1.6mm dia.) SJ or SJO . (Larger diameter wire will not fit into the connectors in the wall box .) b. The ground wire must be earth - grounded. c. You must install a mechanism for turning off power to the area monitor. You can either install a switch in series with the monitor OR you can connect the area monitor to its own circuit breaker (15 Amp or higher). The circuit breaker must be within a reasonable distance to the monitors. Plug - In vs. Hard - Wiring Advantages to plugging the monitor into an electrical outlet: Existing outlets can be used, el iminating the need for running additional electrical wiring. Ease of maintenance: The monitor can be powered down simply by unplugging the cord . Advantages to hard - wiring the monitor: Cleaner looking install: No visible power cords. Monitors ar e more tamper resistant, reducing the chance of unauthorized personnel unplugging the monitor.

36. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 36 Menu button Oxygen Sen sors: For oxygen (O 2 ) sensors, the “zero - adjust” procedure does not set the baseline to 0.0ppm, but rather to 20.9%, the level of oxygen in normal atmosphere. The procedure for establishing the baseline is the same as the zero - adjust procedure except tha t in step C, the menu option will be CAIR (calibrate air) rather than ZERO. 14. Zero - Adjusting the Sensor. 1. A newly installed sensor needs to be acclimated to its new environment. The zero - adjust func tion sets the sensor’s baseline to zero to account for ambient variations. (Exception: For Oxygen sensors, the zero - adjust procedure actually sets reading to 20.9%, the level of oxygen in normal atmosphere. See side bar. ) 2. P erforming the Zero - Adjust Function: Recommendation: Read the instructions through completely before attempting. Note: If you make a mistake during the procedure , just release the button. After several seconds the monitor will return to its main display. Then try again. a) Press and hold the menu button on the monitor until you see MENU on the main display. Then release the button. b) Press and hold the button until you see ZERO displayed (or CAIR for oxygen sensor) then release the button . c) With ZERO (or CAIR) displayed, press the button once and release . Important!!  You should perform the zero - adjust function even if the sensor is reading 0.0ppm (or 20.9% for oxygen sensor).  Perform the z ero - adjust function only when no target gas is present . Do not perform the zero adjust, for example, while sterilizers are in operation.  After a sensor has been installed, wait at least five minutes before performing the zero - adjust. This allows time for the sensor to settle. (If the s ensor has been off - power for more than a week wait ten minutes before performing the zero - adjust.)

9. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 9 60 inches / 150cm What is the detection range of the sensor? The sensor can only detect what is right in front of it; that is, the target gas must diffuse through the membrane of the elect rochemical sensor to register a response. The sensor cannot detect at ‘long range.’ If there is a leak of the target gas in the area, the speed of the sensor’s response depends on how quickly the gas spreads and reaches the sensor. In order to achi eve a fast response time, ChemDAQ recommends placing the monitor as close to the gas source as practical but no more than five feet (1.5 meters) away. Floor Standard Area Monitor A B 1A. Decide Where You Will Mount The ChemDAQ Wall Box (F or the Standard Area Mo nitor ) If your system does not include a standard area monitor, you may skip this section and proceed to p. 11 1. Standard area monitor s have the sensor (A) connected to the body of the monitor as shown. 2. Locate the area monitor as close to the target - gas source as practical . This ensures a fast response time if there is a leak. See sidebar on detection range. 3. If possible m ount the area monitor about 60 inches (150cm) from the floor. This places the sensor in the breathing zone (no se level) , critical for employee safety. (See Figure B right.) 4. Make sure the monitor is located in a ‘safe’ area where it is not prone to collision with doors, carts , or other traffic . If needed, consider installing a protec tive cage around the monitor or a door/cart stop. 5. Do not place the monitor in locations prone to rapid heat or humidity swings. ChemDAQ recommends the area monitor be placed no closer than t en feet (3 meters) to the door or rear area of a steam sterilizer. (See temperature and other p erformance specifications on Steri - Trac Gas Monitor User Manual. ) 6. Do not place the monitor in a location where it is prone to get wet. 7. For ethylene oxide (ETO ) monitors, it’s important to place the units a safe distance from chemical/fume sources that might cause cross - sensitivity issues. See table on page 12 .

18. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 18 Low alarm (A2) High alarm (A1) NO COM NC NO COM NC Available Dry Contacts in the ChemDAQ Wall Box Examples Of How Customers Have Utilized The Dry Relay Contacts:  To activate strobe lights in the event of an alarm.  To activate a remote security panel in the event of an a larm.  To signal exhaust fans to run at a higher speed in the event of an alarm.  To close doors to hazardous areas in the event of an alarm. 5. Decide: Will you use the dry relay contacts at the area monitor to interface with an external device? This step is optional and applies only to customers who choose to use the d ry contacts at the area monitor to interface with an external device. See the right sidebar for sample applications . 1. The dry contacts are inside the ChemDAQ wall box. (Terminal block J3 ) 2. The contacts provide no electrical power; they simply serve as ‘sw itches’ that activate when the area monitor goes into alarm. 3. There are two sets of contacts: One for the low level alarm and one for the high level alarm. (Both alarm settings are user - adjustable.) Each set provides a normally open and a normally closed terminal. 4. The dry contacts are rated for 1 amp at 120 - 220 VAC, or 1 amp for 30VDC for any load, resistive or inductive. 5. The relay contacts are energized into their ‘normal position,’ so if the monitor loses power, the relays respond in the same manner a s if the monitor were in alarm. a. Normally Open: Contacts are open during normal conditions; closed in alarm condition ( or if monitor loses power). b. Normally Closed: Contacts are closed during normal conditions. Open in alarm condit ion (or if monitor loses power). 6. The customer will provide the signal cable for this application.

38. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 38 APPENDICES Appendix 1: Setting the Alarm Levels in the Area Monitor The area monitors have been shipped with default alarm settings as follow: Low Alarm High Alarm Comments See explanation of terms below. ETO Ethylene Oxide 5.0ppm 4 5.0ppm 5.0 ppm =OSHA EL H 2 O 2 Hydrogen Peroxide 5.0ppm 3 0.0ppm IDLH = 75ppm STEL = 3.0ppm in state of WA, USA. STEL =2.0ppm in UK. PAA Peracetic Acid 1.00ppm 2.00ppm Proposed ACGIH STEL = 0.2ppm AEGL 1: 0.17ppm, TWA 10min – 8hrs AEGL 2: 0.5 ppm , TWA 10min - 8 hrs AEGL 3: 19.3ppm, TWA 10min to 1.3ppm, TWA 8 hrs. O 3 Ozone 1.0ppm 2.0ppm 0.1ppm = OSHA PEL IDLH = 5.0ppm Proposed OSHA EL = 0.3ppm. STEL = 0.2ppm in UK O 2 Oxygen 19.5 % 23% 20.9% is normal atmosphere. Low alarm level based on ACGIH. ACGIH: See www .acgih.org/tlv/AIHce_slides_4.pdf AEGL: Acute Exposure Guideline Levels (EPA) See web link below: www.epa.gov/oppt/aegl/pubs/define.htm EL: (aka ST EL) 15 minute exposure limit (OSHA) IDLH: Immediately dangerous to life and health (OSHA) PEL: 8 hour exposu re limit (OSHA) STEL: Short Term Exposure Limit. 15 minutes. TWA: Time - weighted average You can adjust the alarm levels by following the instructions on the next page :

43. CM - 113 - A - 0.00 ChemDAQ ® Customer - Install Guide, Steri - Trac ® Gas Mo nitoring System - 43 Sensor Installation Troubleshooting (continued) Problem Possible Diagnosis Try the Following: Error Code 0003 Over - range. Sensor is reading high, be yond maximum range. **IMPORTANT** Don’t overlook the possibility that the high readings are caused by presence of the target gas. Investigate. If unsure, install sensor only when you are confident no target gas is present. If the sensor has been o ff - electrical power (i.e. not connected to a powered gas monitor) for more than two weeks, the sensor might have lost its electrical charge and needs time to stabilize. Let the sensor charge overnight on the gas monitor to see if the readings come down. Pe rform the zero - adjust on the sensor only after the readings have stabilized. If this does not resolve the problem, contact ChemDAQ technical services. Gas monitor is alarming at a very low ppm level (e.g. below 1.0ppm) During zero - adjust procedure, user may have accidentally lowered low - alarm setting.  Remove sensor.  Refer to page 38 to raise alarm back to default level.  Reinstall sensor.  Attempt zero - adjust procedure again , p. 36 . Cannot enter ME NU on gas monitor. Monitor is alarming. (User is locked out of menu during alarm situation.)  If monitor is in alarm, you will not be able to enter the menu.  If the ppm level is low (below 1.0ppm) and is alarming , remove sensor and refer to step above “G as monitor is alarming at a very low ppm level...” Monitor flashes RED Z0.0 after performing zero - adjust procedure. PPM readings on area monitor are too high. The monitor will not let you zero out a sensor if the readings are 2.0ppm or above. Give the sens or an extra hour to settle before zero - adjusting. If this does not resolve the problem, contact ChemDAQ technical services.

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