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SERVICING INSTRUCTIONS (continued)
WARNING
Electric Shock
Hazard
Disconnect Water-Max™ from
electrical power before removing
any panel or cover.
TOOLS REQUIRED:
#2 Phillips Screwdriver
Container to hold fasteners
Needle Nose Pliers
7/16" & 9/16" Open End Wrenches
COOLING FAN
Repair time not to exceed 1.0 hour
A. Preparation
1. Disconnect Water-Max™ from electrical power.
2. Shut off water supply to Water-Max™.
B. Removal
1. Remove top cover and wrap (see page 28)
2. Disconnect cleanout assembly:
a. Disconnect hose clamp on supply hose.
Remove supply hose.
b. Disconnect flare fitting from inductive heater inlet tube.
Be sure to use a 7/16" backup wrench on the cleanout
tube flare fitting.
Avoid moving or stressing the inlet tube.
c. Remove the cleanout assembly by lifting the cleanout
body while guiding the tubing through the hole in the
bracket.
3. Disconnect the contactor shelf:
a. Remove two nuts at the corners of the shelf.
b. Lift the shelf only enough to gain access to the fan and
mounting screws.
4. Remove old fan:
a. Remove two screws holding fan to heater.
b. Disconnect wires. Discard old cooling fan.
C. Installation
1.
Connect wires.
2.
Attach new fan to heater.
3.
Reinstall contactor shelf to unit.
4.
Reinstall cleanout assembly. Be sure to use a backup
wrench when attaching flare fitting to the inlet tube of
heater. Avoid moving or stressing the inlet tube. Be
sure braided supply tubing is not kinked.
5.
Reinstall top cover and wrap.
D. Return Unit to Service
1.
Turn water supply on and check for leaks.
2.
Connect Water-Max™ to electrical power and test for
proper operation.
32
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