System Operations Manual
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Page 38 of 50
13. Disconnect the hose on the top of the heater
assembly.
14. Disconnect the hose on the right of the heater
assembly.
15. Open the rear door (requires 4mm hex
wrench) and disconnect the sensor flag as
shown. The indicated ty-wrap must be cut.
16. Locate the wire harness that is located in the back of
the unit. Unwind the protective wire spiral covering to
gain access to the wire connectors. Find the 2 sensor
wires (i.e., brown with yellow stripe); they have dots on
them. Cut the ties and disconnect them, DO NOT
CUT THE WIRES. Pull these 2 wires through to the
front. Identify and mark the wires so they are not
reversed during reassembly.
Requires
3/32” hex
wrench
Cut ty-wrap
Figure 33
Figure 34
Figure 35