Bard ERVF-A3 Installation Instructions Manual Download Page 6

Manual 2100-512B
Page 

6 of 15

FIGURE 1

Removing Access Panels

Basic Installation             

(Factory-Installed Models)

1.  Remove blower access, filter access and vent 

option panels. Remove filter bracket from shipping 
location and install on left side. Remove filter 
located above air circulation blowers. Install filter.  

2.  Remove air intake hood from shipping location and 

install air intake hood on vent option panel. Refer 
to the Control Wiring Section for suggested control 
schemes. After wiring, replace all panels.

16. Replace the vent option access panel with the new 

panel provided. Attach air intake hood with screws 
provided (see Figure 5 on page 10). Be sure to 
insert the top flange of the air intake hood into and 
through the slot in the service door and between 
the door and insulation to prevent bowing of the 
door.

17. Apply Certification label, included with installation 

instructions, next to unit serial plate.

18. Ventilator is now ready for operation.

REMOVE & SAVE 

REMOVE & DISCARD 

Summary of Contents for ERVF-A3

Page 1: ...ENERGY RECOVERY VENTILATOR WITH EXHAUST For Use with Bard 2 1 2 through 3 Ton Wall Mount Air Conditioners and Heat Pumps INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 www...

Page 2: ...Control Wiring 12 Control Requirements 12 Recommended Control Sequences 12 Ventilation Airflow 12 Energy Recovery Ventilator Maintenance 13 Figures Figure 1 Removing Access Panels 6 Figure 2 Removing...

Page 3: ...mer and winter conditions Provides required ventilation to meet the requirements of ASHRAE 62 1 standard Electrical Specifications NOTE During operation below 5 F outdoor temperature freezing of moist...

Page 4: ...6862 5400 5400 5400 12150 6525 1462 0 0 11407 7751 4460 3510 3510 3510 7897 4241 950 0 0 90 80 75 70 65 60 28080 19080 10980 6480 6480 6480 21600 12600 4500 0 0 17690 12020 6917 4082 4082 4082 13608 7...

Page 5: ...ese 24 volt control wires control the starting and stopping of the energy recovery ventilator and can be independently controlled by an energy management control or timer See separate section on Contr...

Page 6: ...vent option panel Refer to the Control Wiring Section for suggested control schemes After wiring replace all panels 16 Replace the vent option access panel with the new panel provided Attach air intak...

Page 7: ...Manual 2100 512B Page 7 of 15 FIGURE 2 Removing Filter and Grille REMOVE DISCARD...

Page 8: ...Manual 2100 512B Page 8 of 15 FIGURE 3 Running Wiring FIGURE 3 INSET SIDE VIEW SEE STEP 5 OF INSTRUCTIONS...

Page 9: ...Page 9 of 15 MIS 2641 INSTALL 1 480701 0 CAP AS SHOWN AND WIRE PER WIRING DIAGRAM FROM HEAT RECOVERY ASSEMBLY LOW VOLTAGE WIRES TEMPORARY CONNECTION FOR TESTING SEE RECOMMENDED CONTROL SEQUENCES FIGUR...

Page 10: ...Manual 2100 512B Page 10 of 15 FIGURE 5 Replacing Access Panel...

Page 11: ...Manual 2100 512B Page 11 of 15 FIGURE 6 Airflow Diagram FIGURE 6A Speed Tap Label...

Page 12: ...l possible control scenarios are listed below 1 Use a programmable electronic thermostat with auxiliary terminal to control the ERVF 3 CHERV 3 based on daily programmed occupance periods Bard markets...

Page 13: ...grease tars and dirt that can impede performance or generate odors Washing of the desiccant surfaces is required to remove contaminate buildups that can reduce adsorption of water molecules The contin...

Page 14: ...evaporator coil cleaner or alkaline detergent solution such as 409 NOTE Do not use acid based cleaners aromatic solvents temperatures in excess of 170 F or steam Damage to the wheel may result Do not...

Page 15: ...Manual 2100 512B Page 15 of 15 FIGURE 8 Hub Assembly with Ball Bearings...

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