Components
Main Board
To access the main board:
1. Remove 6 screws and the front panel.
2. Unplug the heater connector.
WARNING:
Do not touch the capacitors after the
electronics cover is removed.
Caution:
When removing electronics cover, pull
the right side out a few inches to avoid damage to
the switch wires.
3. Remove 4 screws from the electronics cover.
4. Lift the electronics cover to access the sub
board. Unplug the ON/OFF switch from the
sub board at connector CN202 and remove the
cover.
Driver Board
To access the driver board:
Remove the electronics cover (see Main Board
section).
Fuse
A 4-amp fuse is located on the driver board, and is
common to the transformer circuit. If this fuse
blows (open), all relays and the remote thermostat
will not function.
Sub Board
To access the sub board:
Remove the electronics cover (see Main Board
section).
Heater Connector
ON/OFF Switch
Electronics Cover
Driver Board
Main Board
Sub Board
Fuse
Fuse
Summary of Contents for AZ75E09DAC
Page 7: ... 5 Direct Connection 208 VAC 230 VAC 265 VAC ...
Page 37: ... 35 Notes ...
Page 45: ... 43 Parts List ...
Page 46: ... 44 ...
Page 47: ... 45 ...
Page 48: ... 46 ...
Page 55: ... 53 Notes ...