Bard CRVS-5A Installation Instructions Manual Download | Manualshive

Page: 5 / 17

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Manual 2100-760
Page

5 of 17

3. Remove and save existing unit air filter and screws

from front center grille (see Figure 2).

FIGURE 2

Removal of Air Filter and Exhaust Cover Plate

4. Remove and discard the exhaust cover plate.

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Summary of Contents for CRVS-5A

Page 1: ...rd Heat Pump Models T36 60H and T36 60S Commercial Room Ventilator with Exhaust Model CRVS 5A INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 760...

Page 2: ...Left Hand CRVS 5A Units Only 6 Figure 4 Install Ventilator 7 Figure 5 CRV Control Board 9 Figure 6 CRV Control Board 10 Figure 7 8403 096 CO2 Sensor Set Up 12 Figure 8 CRV Control Board Wiring 13 Figu...

Page 3: ...in exhaust provisions When the damper blade opens to bring fresh air in the damper also opens an exhaust relief The exhaust air will flow into the condenser section of the unit The condenser fan will...

Page 4: ...ventilator with attached electrical harness and miscellaneous hardware 2 Remove and save the existing exterior blower access and service access panels on the Bard wall mount unit see Figure 1 FIGURE...

Page 5: ...0 760 Page 5 of 17 3 Remove and save existing unit air filter and screws from front center grille see Figure 2 FIGURE 2 Removal of Air Filter and Exhaust Cover Plate 4 Remove and discard the exhaust c...

Page 6: ...GURE 3 Reroute Wires for Left Hand CRVS 5A Units Only 6 Insert ventilator into the unit to the far left side clearing the right filter bracket see Figure 4 Once the ventilator is fully inserted slide...

Page 7: ...assembly Note When installing CRV position so hole in front Plug the 4 125 holes in the service door with insert a self drilling screw WIRES in condenser grille to lip is centered over hole CRV in un...

Page 8: ...nt for Desired Ventilator Air The amount of ventilation air supplied by the commercial room ventilator is dependent on four 4 factors 1 Return air duct static pressure drop 2 Supply air duct static pr...

Page 9: ...E COOLING POT Y1 SETTING FOR WHEN Y2 IS ENERGIZED COOLING OR BLADE POSITION Y1 WILL OVERRIDE OCC POT PP PRE PURGE SET FOR PREOCCUPANCY POT OCC OCCUPIED SETTING TURN OFF FOR C02 FULL MODULATION SETTING...

Page 10: ...ccupied setting is instantaneous and the pre purge setting PP is no longer in the sequence Occupied Setting Occupied is used to ventilate a specified CFM amount when occupants enter the room or struct...

Page 11: ...other end of the gray wire should be connected to the CO2 sensor as stated in Method 1 During 2 10VDC operation with 01 energized and pre purge timed operation active DC voltage signaling occupancy f...

Page 12: ...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 13: ...LE STAGE UNIT D FIELD JUMPER FOR CONSTANT VENTILATION BLACK WHITE BROWN WHITE ORANGE BROWN WHITE RELAY BLACK WHITE 56 30 0 CRV CONTROL BOARD 60 Damper Motor RED BLACK BROWN A CO2 Sensor 90 A OPTIONAL...

Page 14: ...Heating Mode Total Air Cooling Heating Mode 0 200 400 600 800 1000 1200 1400 A B C D E F Airflow CFM Blade Position T42S1 with CRVS 5 CRVP 5 CHCRV 5 Vent Air Cooling Heating Mode Total Air Cooling Hea...

Page 15: ...h Speed Comp Vent Airflow0 2 ESP A B C D E F 0 100 200 300 400 500 600 700 0 2 4 6 8 10 12 14 16 18 Air flow CFM VentPosition T60S1VentAirflow High SpeedComp Vent Airflow 0 2 ESP Blower Only Vent Airf...

Page 16: ...Manual 2100 760 Page 16 of 17 MIS 347A Supply Air Evaporator Coil DAMPER BLADE EXHAUST AIR Return Air Condenser Air Direction Condenser Coil Outside Air FIGURE 9 Call for Blower Operation...

Page 17: ...Manual 2100 760 Page 17 of 17 FIGURE 10 Call for Compressor or Fan Only with Ventilation Off MIS 348A Supply Air Return Air Evaporator Coil DAMPER BLADE Condenser Air Direction Condenser Coil...

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