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Related Manuals for Bard CRVS-5A
Summary of Contents for Bard CRVS-5A
- Page 1 INSTALLATION INSTRUCTIONS Commercial Room Ventilator with Exhaust Model: CRVS-5A For Use with Bard Heat Pump Models T36-60H and T36-60S Bard Manufacturing Company, Inc. Manual : 2100-760 Bryan, Ohio 43506 Supersedes: Date: 12-8-21 www.bardhvac.com Page 1 of 17...
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Page 2: Table Of Contents
Figure 2 Removal of Air Filter and Exhaust Description ............3 Cover Plate ........... 5 Models ..............3 Figure 3 Reroute Wires for Left Hand CRVS-5A CRV Features ............3 Units Only ..........6 Sequence of Operation .......... 3 Figure 4 Install Ventilator ........7 Figure 5 CRV Control Board ........ -
Page 3: General
15 days of its receipt. Description Sharp metallic edges. The CRVS-5A ventilator is designed to be used with Take care and wear appropriate protective Bard heat pump models T36-60H and T36-60S. It is devices to avoid accidental contact with an electromechanical vent system designed to provide sharp edges. -
Page 4: Installation
T60S 2. Remove and save the existing exterior blower Open and lock disconnect switch before access and service access panels on the Bard wall installing this accessory to prevent injury or mount unit (see Figure 1). death due to electrical shock or contact with moving parts. -
Page 5: Figure 2 Removal Of Air Filter And Exhaust Cover Plate
3. Remove and save existing unit air filter and screws 4. Remove and discard the exhaust cover plate. from front center grille (see Figure 2). FIGURE 2 Removal of Air Filter and Exhaust Cover Plate Manual 2100-760 Page 5 of 17... -
Page 6: Figure 3 Reroute Wires For Left Hand Crvs-5A Units Only
Re-install wire ties in left side holes. Route wires through left side and re-install strain relief. FIGURE 3 Reroute Wires for Left Hand CRVS-5A Units Only FOR LEFT HAND UNITS, REWIRE STRAIN RELIEF & ROUTE WIRES RIGHT END... -
Page 7: Figure 4 Install Ventilator
IMPORTANT: Position front lip of ventilator on 7. Open control panel to gain access to unit low top of front grille and condenser partition (see voltage terminal block. Figure 4 inset). This is important to ensure 8. Route electrical harness leads through the 7/8" proper drainage of any water entering damper bushing in control panel into low voltage box as assembly. -
Page 8: Blade Adjustment For Desired Ventilator Air
9. Connect leads with fork terminals to corresponding Blade Adjustment for Desired points on unit terminal strip. (See manual 2100- Ventilator Air 507 for air conditioner connection diagrams or The amount of ventilation air supplied by the manual 2100-516 for heat pump connection commercial room ventilator is dependent on four (4) diagrams.) factors:... -
Page 9: Figure 5 Crv Control Board
FIGURE 5 CRV Control Board POT "PP" PRE-PURGE SET FOR PREOCCUPANCY POT "OCC" OCCUPIED SETTING TURN OFF FOR C02 FULL MODULATION POT "Y1" SETTING FOR STAGE ONE COOLING Y1 WILL OVERRIDE OCC SETTING FOR 2ND STAGE COOLING OR BLADE POSITION WHEN Y2 IS ENERGIZED PRE-PURGE TIMER... -
Page 10: V" Option Crv Sequence Of Operation
(PP) is no 2-10VDC signal with a resistive load greater than longer in the sequence. 5000 ohms. Bard CO sensor 8403-096 can be Occupied Setting used when the 2-10V output is connected to the... - Page 11 ran to the damper motor (OUT on control board). The other end of the gray wire should be connected to the CO sensor as stated in Method 1. During 2-10VDC operation with "01" energized and pre-purge timed operation active, DC voltage signaling occupancy from a source such as a CO sensor will increase ventilation amounts as needed.
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Page 12: Figure 7 8403-096 Co2 Sensor Set Up
FIGURE 7 8403-096 CO Sensor Set Up PRESS UP AND DOWN ARROWS TO ENTER CONFIGURATION MODE USE ARROWS TO SELECT SETTING. PUSH MIDDLE BUTTON TO CHANGE. CONTROLLER WILL SHOW SET. NOTE: MENU DIP SWITCH MUST BE IN "ON" POSITION #5 TO CHANGE ANY SETTINGS WITH THE SIDE BUTTONS. -
Page 13: Figure 8 Crv Control Board Wiring
FIGURE 8 CRV Control Board Wiring *A - OPTIONAL ON/OFF CO2 CONTROL *B - OPTIONAL MODULATING CO2 CONTROL *C - SINGLE-STAGE UNIT *D - OPTIONAL FIELD JUMPER FOR CRV-CONTROL BOARD CONSTANT VENTILATION WHEN INDOOR FAN IS ON REQUIRED FIELD WIRING FOR OPTIONAL CO2 CONTROL Damper Motor WHITE... -
Page 14: Performance Data: T36 With Crvs-5A
GRAPH 1 T36S1 with CRVS-5,CRVP-5 & CHCRV-5 Commercial Room Ventilator Performance Data: T36 with CRVS-5A 1200 1000 Blade Position Vent Air, Cooling/Heating Mode Total Air, Cooling/Heating Mode GRAPH 2 T42S1 with CRVS-5,CRVP-5 & CHCRV-5 Commercial Room Ventilator Performance Data: T42 with CRVS-5A... -
Page 15: Performance Data: T48 With Crvs-5A
GRAPH 3 Commercial Room Ventilator Performance Data: T48 with CRVS-5A T48S1 Vent Airflow Blower Only Vent Airflow 0.2 ESP High Speed Comp Vent Airflow 0.2 ESP Vent Position GRAPH 4 Commercial Room Ventilator Performance Data: T60 with CRVS-5A T60S1 Vent Airflow High Speed Comp Vent Airflow 0.2 ESP... -
Page 16: Figure 9 Call For Blower Operation
FIGURE 9 Call for Blower Operation Evaporator Coil Supply Air Return Air Outside Air DAMPER BLADE EXHAUST AIR Condenser Air Direction Condenser Coil MIS-347A Manual 2100-760 Page 16 of 17... -
Page 17: Ventilation Off
FIGURE 10 Call for Compressor or Fan Only with Ventilation Off Evaporator Coil Supply Air Return Air DAMPER BLADE Condenser Air Direction Condenser Coil MIS-348A Manual 2100-760 Page 17 of 17...