57
Blower Assembly Service (Dealer Only)
BLOWER ASSEMBLY REMOVAL
WARNING
Electric Shock Hazard.
Can cause injury or death.
Disconnect all remote electrical
power supplies before servicing.
Unit may have multiple power
supplies. Unit must be connected
to a grounded power supply in
accordance with national and local
codes.
1.
Unplug the ERV/HRV and open the service door.
2.
Remove core.
3.
Remove ¼ inch (6 mm) sheet metal screws on front lip
of cabinet.
4.
Remove two Phillips head screws on right side panel.
5.
Remove ¼ inch (6 mm) sheet metal screws securing
electrical box to blower divider panel.
6.
Remove ground wire and black and white wire from
circuit board leading to the motor, and pull wires to
remove from the electrical box.
7.
Remove assembly (blower, motor, blower panel) by
sliding left and down.
1
2
3
4
6
5
7
Figure 58. Removing Blower Assembly
IMPORTANT
Note motor rotation before disassembling the motor
assembly. Mark rotation on blower divider panel with a
marker.
BLOWER MOTOR DISASSEMBLY
1.
Remove both blower end caps by applying pressure.
2.
Remove blower wheels by loosening Allen screw on
motor shaft.
3.
Remove nuts from motor “ through bolts”.
Ensure motor is replaced with proper rotation. The blower
wheels are designed to scoop air and discharge towards
the blower outlets.
1
2
3
2
1
Figure 59. Replacing Motor
BLOWER MOTOR REASSEMBLY
Follow the above steps in reverse order.
BLOWER ASSEMBLY INSTALLATION
Follow the steps in reverse order from the Blower Assembly
Removal section.
Summary of Contents for ERV5-130
Page 36: ...36 Figure 43 Wiring Diagram HRV5 270 TPD ECM...
Page 60: ...60...
