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Bard CRV-F5 Installation Instructions Manual

Partial flow commercial room ventilator 24 volt on/off with spring return and exhaust. for use with bard single stage wall mount air conditioner and heat pump models: w42ac, w48ac, w60ac, w72ac, w42hc, w48hc, w60hc
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INSTALLATION INSTRUCTIONS

Commercial Room Ventilator
with Spring Return and Exhaust
For Use with Bard Single Stage Wall Mount
Air Conditioner and Heat Pump Models:
W42AC, W48AC, W60AC, W72AC
W42HC, W48HC, W60HC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
Partial Flow
24 Volt On/Off
Model: CRV-F5
Manual:
2100-696A
Supersedes: 2100-696
Date:
9-16-19
Page
1 of 17

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Summary of Contents for Bard CRV-F5

  • Page 1: Installation Instructions

    Partial Flow Commercial Room Ventilator 24 Volt On/Off with Spring Return and Exhaust Model: CRV-F5 For Use with Bard Single Stage Wall Mount Air Conditioner and Heat Pump Models: W42AC, W48AC, W60AC, W72AC W42HC, W48HC, W60HC Bard Manufacturing Company, Inc.

  • Page 2: Table Of Contents

    Compressor Operation ......17 Figure 24 Call for Compressor or Fan Only with Ventilation Off ........17 Graphs Graph 1 W42AC CRV-F5 Ventilation Delivery ..9 Graph 2 W48AC CRV-F5 Ventilation Delivery ..9 Graph 3 W60AC CRV-F5 Ventilation Delivery ..10 Graph 4 W72AC CRV-F5 Ventilation Delivery ..

  • Page 3: General Information

    The CRV-F5 ventilator is designed to be used with damage (check parts list below). Note any shortages or the specific models with "letter" revision codes as damage on all copies of the freight bill.

  • Page 4: Figure 1 Disconnect Power

    INSTALLATION OF FIELD-INSTALLED CRV-F5 Basic Installation Remove both side grilles (see FIgure 2). FIGURE 2 WARNING Remove Side Grilles Electrical shock hazard. Disconnect remote electrical power supply or supplies before servicing. Failure to do so could result in electric shock or death.

  • Page 5: Figure 4 Remove Blank Off Plates (Both Sides)

    Remove blank off plates on both sides (behind side FIGURE 6 grilles) and discard (see Figure 4). Install Gasket FIGURE 4 Remove Blank Off Plates (Both Sides) Blank Off Plate FIGURE 7 Install Exhaust Blade Assembly Remove exhaust blank off plate through return or through side intake openings (see Figure 5).

  • Page 6: Figure 9 Connect 3000-1622 Wire Assembly

    Connect 3000-1622 wire assembly (see Figure 9). FIGURE 11 Snap the 4 pin connector into the opening next to the Control Plug Centered in Plug Access Opening low voltage box and plug the 12 pin male connector into the female plug in the low voltage box. FIGURE 9 Connect 3000-1622 Wire Assembly 4 Pin...

  • Page 7: Figure 14 Set Blade Stop To Adjust Fresh Air

    Set blade stop (see Figure 14) using airflow charts Bend the two (2) sheet metal tabs in the condenser found on pages 9 and 10. partition up to hold the bottom of the mist eliminator in place. To adjust fresh air amount, loosen set screw two turns on actuator stop.

  • Page 8: Control System Notes

    Control System Notes This ventilation package is capable of being set to meet the current ASHRAE specifications for minimum occupied airflow rates. On/Off Operation Energizing the A terminal in the low voltage connection box during occupied conditions will drive the fresh air damper to the fixed position selected as shown in Figure 14 on page 7.

  • Page 9: Graphs

    GRAPH 1 W42AC CRV-F5 Ventilation Delivery GRAPH 2 W48AC CRV-F5 Ventilation Delivery Manual 2100-696A Page 9 of 17...

  • Page 10: Graph 3 W60Ac Crv-F5 Ventilation Delivery

    GRAPH 3 W60AC CRV-F5 Ventilation Delivery GRAPH 4 W72AC CRV-F5 Ventilation Delivery Manual 2100-696A Page 10 of 17...

  • Page 11: Figure 18 Programmable Thermostat Connections For Crv With Air Conditioners

    Programmable Thermostat Connections for CRV with Air Conditioners Completestat Model #CS9B-THO or Model #CS9BE-THO W1/E Thermostat W1/E YO/D Bard #8403-060 Optional CO2 Controller Bard Part #8403-067 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 Voltage Term. Strip 12-Pin Vent Plug ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.

  • Page 12: Figure 19 Programmable Thermostat Connections For Crv With Heat Pumps

    Programmable Thermostat Connections for CRV with Heat Pumps Completestat Model #CS9B-THO or Model #CS9BE-THO W1/E Thermostat YO/D W1/E Bard #8403-060 Optional CO2 Controller Bard Part #8403-067 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 Voltage Term. Strip 12-Pin Vent Plug ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.

  • Page 13: Figure 20 Non-Programmable Thermostat Connections For Crv With Air Conditioners

    (TH311OD1040) or T4 Pro 8403-089 8403-058 (TH522OD1151) 8403-059 8403-047 (TH522OD1219/U) Electronic Humidistat or T6 Pro 8403-090 Optional CO2 Controller Bard Part #8403-067 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 Voltage Term. Strip 12-Pin Vent Plug ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.
  • Page 14 (TH311OD1040) or T4 Pro 8403-089 8403-058 (TH522OD1151) 8403-047 8403-059 (TH522OD1219/U) Electronic Humidistat or T6 Pro 8403-090 Optional CO2 Controller Bard Part #8403-067 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 Voltage Term. Strip 12-Pin Vent Plug ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.

  • Page 15: Figure 22 Crv-F* Wiring Diagram

    FIGURE 22 CRV-F* Wiring Diagram Damper FEMALE END FEMALE END Motor MALE END MALE END BLACK BLACK/WHITE BROWN/WHITE 4-Pin Plug BLACK/WHITE BROWN/WHITE PURPLE YELLOW ON/OFF CRV WIRING DIAGRAM 12 PIN VENT PLUG 4056-244 FEMALE END Damper Motor FEMALE END MALE END MALE END BLACK BLACK/WHITE...

  • Page 16: Sequence Of Operation

    Sequence of Operation On/Off ventilation options energize when the “A” low voltage strip terminal is energized signaling occupancy, and de-energize when “A” terminal is no longer receiving a 24VAC signal. The “G” low voltage strip terminal is used to operate the indoor blower for unit airflow.

  • Page 17: Figure 23 Call For Ventilation With Or Without Compressor Operation

    FIGURE 23 Call for Ventilation With or Without Compressor Operation FIGURE 24 Call for Compressor or Fan Only with Ventilation Off Manual 2100-696A Page 17 of 17...

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