Aqua-Hot 375-d Service Manual page 25

Thermostats (continued)
Control Thermostat: Electric Element
(continued)
Replacement Procedure:
1. Ensure that the Aqua-Hot has been completely
shut down and that all power sources have been
disconnected.
2. Locate the control thermostat for the electric
element, reference figure 12.
3. Disconnect the defective control thermostat's
wires by separating the quick-disconnect termi-
nals.
4. Using a 5/8 wrench or socket, remove the de-
fective control thermostat from the Aqua-Hot.
NOTE: The coach must either be plugged
into shore power, or the generator must be
on, for there to be 120vac at the heater.
185* F
Control Thermostat
© 2009 Aqua-Hot
S
ECTION
5. Install the replacement control thermostat, tightening
only to 15 in/lbs. Do not overtighten.
6. Connect the replacement control thermostat's wires in
the same configuration as the removed thermostat's
wires.
7. Test for proper operation, by using a digital
Figure 12
®
375D Hydronic Heating System Service Manual—Rev. A
4: A -H
QUA
thermometer.
Please note that the Diesel Burner
has been removed in this image.
C
OT OMPONENTS
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