Bard WGCRVS-3C Installation Instructions Manual Download Page 4 | Manualshive

Page: 4 / 17

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Manual 2100-757B

Page

4 of 17

FIGURE 1

Call for Blower Operation

without Ventilation

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Summary of Contents for WGCRVS-3C

Page 1: ...nufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 757B Supersedes 2100 757A Date 11 14 22 For Use with Bard Single Stage W G4 Units Commercial Room Ventilator with Exhaust and CO2...

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...

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

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

Page 6: ...nit 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 exha...

Page 7: ...ontrol 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...

Page 8: ...INSET 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 E...

Page 9: ...ontrol 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 use...

Page 10: ...or 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 contro...

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 757B Page 12 of 17 Fresh Air CFM Fresh Air CFM Fresh Air CFM...

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

Page 14: ...Manual 2100 757B 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...

Page 16: ...r 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: ...1 GRAY 2 jumper is used from A to G Move Brown White wire landing from COM to NC if CONTROL PANEL 1 40 43 9 PIN MOLEX PLUG FEMALE 9 PIN MOLEX PLUG MALE 39 2 1 4056 266 D 30 0 CRV CONTROL BOARD 60 90 R...

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