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Manual 2100-757B

Page 

11 of 17

FIGURE 7

8403-096 CO

2

 Sensor Set Up

ON

OFF

OFF

OFF

ON

4

6

5

2

3

ON

1

PRESS UP AND DOWN

ARROWS TO ENTER 

CONFIGURATION MODE

USE ARROWS TO SELECT

SETTING. PUSH MIDDLE 

BUTTON TO CHANGE. 

CONTROLLER WILL 

SHOW SET.

IT HAS BEEN CONFIGURED.

DIP SWITCH TO "OFF" AFTER 

CONTROLLER MOVE 

NOTE: MENU 

DIP SWITCH MUST

BE IN "ON" POSITION #5

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 OFF SET POINT)

700

DSP                     

(DISPLAY 

CONFIGURATION)

C

CT

UNI

(UNITS SELECTION)

US

US

COL

(CO2 LOW OUTPUT 

RANGE)

700

0

COH

(CO2 HIGH OUTPUT 

RANGE)

1500

2000

TOL

(TEMP. LOW OUTPUT 

RANGE)

Not Used

TOH

(TEMP. HIGH OUTPUT 

RANGE)

Not Used

BAR                       

(BAROMETRIC 

PRESSURE)

See Instructions with 

Controller For High 

Altitude Installations

CAL               

(CALIBRATION)

Used for Field Calibration

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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