Bard WGSCRVS-3C Installation Instructions Manual Download

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INSTALLATION INSTRUCTIONS

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506
www.bardhvac.com

Manual :

2100-757

Supersedes:

NEW

Date: 12-7-21

For Use with Bard

Single Stage W**G4 Units

Commercial Room Ventilator with

Exhaust and CO

Modulation (Optional)

Models:

WGSCRVS-3C
WGSCRVS-5C

Summary of Contents for WGSCRVS-3C

Page 1: ...Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 757 Supersedes NEW Date 12 7 21 For Use with Bard Single Stage W G4 Units Commercial Room Ventilator with Exhaust and CO2 Modul...

Page 2: ...for Blower Operation w o Ventilation 4 Figure 2 Call for Ventilation 5 Figure 3 Removal of Vent Option Panel 6 Figure 4 Loose Piece Wire Harness Plug Install 7 Figure 5 Ventilator Installed in Unit 8...

Page 3: ...reported to the carrier within 15 days of its receipt Description The ventilators are designed to be used with Bard 2 5 ton single stage wall mount gas electric units They are electromechanical vent s...

Page 4: ...Manual 2100 757 Page 4 of 17 FIGURE 1 Call for Blower Operation without Ventilation...

Page 5: ...Manual 2100 757 Page 5 of 17 FIGURE 2 Call for Ventilation...

Page 6: ...it see Figure 3 3 Remove and save existing unit air filter and screw from front center grille see Figure 5 on page 8 for screw location 4 Remove and discard the exhaust cover plate 5 Replace the exhau...

Page 7: ...ntrol box 9 Connect leads with fork terminal to corresponding points on terminal strip See wiring diagrams later in this manual or on ventilator Plug connector into corresponding hole in filter rack s...

Page 8: ...NSET Plug mating plug from WGCRV into plug in filter partition When installing WGCRV position so that hole in front lip is centered over hole in condenser grill to insert a self drilling screw Mist El...

Page 9: ...ntrol board with blade positioning potentiometers along with an input for a 2 10V input signal see Figure 6 on page 10 Adjustable potentiometers PP Potentiometer setting This potentiometer can be used...

Page 10: ...he motor directly from the device providing the 2 10VDC modulating signal The gray wire connected to CO2 V IN on the control board must be spliced with the white wire ran to the damper motor V OUT on...

Page 11: ...TO CHANGE ANY SETTINGS WITH THE SIDE BUTTONS TO LOCK THE CO2 DIP SWITCHES MUST BE POSITIONED AS SHOWN FOR PROPER OPERATION MIS 4025 C Settings Recommended Default RON RELAY ON SET POINT 725 ROF RELAY...

Page 12: ...Manual 2100 757 Page 12 of 17 Fresh Air CFM Fresh Air CFM Fresh Air CFM...

Page 13: ...Manual 2100 757 Page 13 of 17 Fresh Air CFM Fresh Air CFM Fresh Air CFM...

Page 14: ...Manual 2100 757 Page 14 of 17 Fresh Air CFM Fresh Air CFM Fresh Air CFM...

Page 15: ...and connect to N C fire alarm circuit if emergency shutdown required 3 2 Wire required for dehumidification models only 1 For vent operation thermostat must be configured for programmable events per d...

Page 16: ...to the up position Connect wire to lower U terminal for vent operation Only applies to 8403 090 1 Jumper needs added when using 8403 047 humidistat RED WHITE BLACK WHITE ORANGE BROWN WHITE GRAY CRVS...

Page 17: ...2 jumper is used from A to G Move Brown White wire landing from COM to NC if CONTROL PANNEL 1 40 43 9 PIN MOLEX PLUG FEMALE 9 PIN MOLEX PLUG MALE 39 2 1 4056 266 B 1 BLUE BROWN WHITE BROWN WHITE BROW...

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