This task covers:
Tool Kit, service, refrigeration unit
Power off at power source.
General Safety Instructions:
Disconnect input power to the unit before performing any internal maintenance.
Voltages used can kill. Shutting the unit off at the thermostat does not
disconnect unit power.
The cover Is hinged at the top and must be removed by pulling up at the bottom.
(1) Remove thermostat cover (1, Figure 4-46) by pulling bottom upward until it snaps free.
Inspect thermostat (2) for loose or missing hardware and damage. Replace or tighten loose or missing
hardware. Replace damaged thermostat.
Pull thermostat cover (1, Figure 4-46) from the bottom and swing it up and forward until it snaps free
Unscrew the three captive mounting screws (3) until the thermostat is loose.
Pull the thermostat away from the subbase (4).
(4) Tag and remove the thermostat subbase wiring.
(5) Remove the two subbase mounting screws (5) and remove the thermostat subbase
(1) Feed the thermostat wire through the hole (6, Figure 4-46) in the subbase (4)
(2) Loosely mount the subbase (4)with the two subbase mounting screws (5).
(3) Level the subbase (4) with a spirit level See Figure 4-11.
(4) Tighten the two subbase mounting screws (5, Figure 4-46)
(5) Connect the thermostat wires to the subbase wiring terminals as tagged and remove the tags.
(6) Push excess wire back Into the hole and plug the hole to prevent drafts.
(7) Mount the thermostat (2) on the subbase (4) so that the captive screws (3) aline with the holes in subbase
(8) Tighten the captive mounting screws (3).
(9) Place the upper edge of the thermostat cover (1) on the thermostat (2) and swing the cover downward until
it snaps securely onto the thermostat (2).