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Manual 2100-448E
Page

8 of 13

9. Connect leads with fork terminal to corresponding

points on unit terminal strip.  (See Manual 2100-
507 for air conditioner connection diagrams; see
Manual 2100-516 for heat pump connection
diagrams.)

10. Close control panel cover.

11. Replace left filter support, filter and four (4) screws

in condenser grille.

12. Reinstall the blower access panel at top of unit and

secure with sheet metal screws.

13. Ventilator Checkout

A. Remove mist eliminator to allow access to

minimum position thumbwheel or blade stops.

B. Resupply power to unit.

C. Energize the evaporator blower by switching

thermostat to the manual fan position with
heat/cool in OFF position.

D. Ventilator should open to the position set by

position adjustment thumbwheel on the CRVS,
or to the blade stops on the CRVP.  On the
CRVS, cycle position adjustment thumbwheel
to full open through full close.  Observe damper
blade operation throughout travel to assure free,
unobstructed movement.  (See Figure 5.)

E. De-energize evaporator blower.  Damper blade

should close.

G. This completes ventilator checkout.

14. Adjust damper blade for required ventilation

airflow.  (See next section.)

15. Replace mist eliminator.  Be sure it is installed with

the drain holes to the bottom.

16. Remove blank off plate or barometric fresh air

damper installed on service access door.  Plug four
(4) mounting holes with the plastic plugs provided
with the ventilator.

17. Replace service access panel.

18. Ventilator is now ready for operation.

Summary of Contents for CRVS-3

Page 1: ...CRVP 3 CRVP 3L For Use with Bard 1 1 2 through 3 Ton Wall Mount Air Conditioners and Heat Pumps Manual 2100 448E Supersedes 2100 448D File Volume III Tab 19 Date 03 09 10 Bard Manufacturing Company In...

Page 2: ...al of Exterior Panels 4 Figure 2 Removal of Exhaust Cover Plate 5 Figure 3 Re Routing Wires Left Hand Units 6 Figure 4 Inserting Ventilator Into Unit 7 Figure 5 CRV Wiring Diagram 9 Figure 6 Call for...

Page 3: ...is received and before signing the freight bill verify that all items have been received and that there is no visible damage Note any shortages or damage on all copies of the freight bill The receivin...

Page 4: ...tilator with attached electrical harness and miscellaneous hardware WARNING Open and lock unit disconnect switch before installing this accessory to prevent injury or death due to electrical shock or...

Page 5: ...exhaust cover plate 3 Remove and save existing unit return air filter and left side filter support bracket by removing two 2 screws from front side of unit Remove and save top four 4 screws from grill...

Page 6: ...right until it is tight against the back of the control panel See Figure 4 5 For Installation of Left Hand Units Only Remove strain relief in right side of CRV Unclip the right side wire tie holding t...

Page 7: ...ough the 7 8 bushing in control panel Figure 4 into low voltage box FIGURE 4 INSERTING VENTILATOR INTO THE UNIT IMPORTANT Position front lip of ventilator under front grille and on top of condenser pa...

Page 8: ...on with heat cool in OFF position D Ventilator should open to the position set by position adjustment thumbwheel on the CRVS or to the blade stops on the CRVP On the CRVS cycle position adjustment thu...

Page 9: ...ng Refer to the graphs on the following pages to determine the blade setting necessary to achieve the ventilation air required With the blower energized use the thumbwheel on the CRVS 3 adjust blade t...

Page 10: ...0 700 800 900 A B C D E F Vent Position Airflow cfm Total Air 0 ESP Total Air 15 ESP Vent Air 0 ESP Vent Air 15 ESP 0 100 200 300 400 500 600 700 800 900 A B C D E F Vent Position Airflow cfm Total Ai...

Page 11: ...Vent Position Airflow cfm Total Air 0 ESP Total Air 15 ESP Total Air 3 ESP Vent Air 0 ESP Vent Air 15 ESP Vent Air 3 ESP W30A H L W36A H L LOW SPEED TOTAL AND VENTILATION AIRFLOW 0 100 200 300 400 500...

Page 12: ...hanical linkage adjustment required Exhaust air damper built in with positive closed position Actuator motor 24 volt power open spring return with built in torque limiting switch Provides up to 75 per...

Page 13: ...al 2100 448E Page 13 of 13 FIGURE 7 CALL FOR COOLING OPERATION A call for cooling cycles the compressor and dampers remain in the ventilation mode On loss of blower operation CRV closes fully See Figu...

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