Champion UH-200, Техническое руководство

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Part 8: COMPONENT REPAIR AND REPLACEMENT
8.2.9 Booster Tank Heater and High Limit Thermostat
UH-200B
The booster tank assembly is mounted on the left side of the machine base.
It raises the incoming water temperature to a minimum of 180
°
F/82
°
C for the final rinse cycle.
The heater is protected from a low water condition by a surface mounted high limit thermostat.
Check the high limit thermostat before
replacing a suspected heater:
1. Push the POWER pushbutton off,
if machine is ON, to enter auto-shutdown.
2. Turn off main incoming power.
3. Remove lower front panel.
4. Push manual reset on high limit.
5. Pull one lead from high limit and check
for continuity. Replace if open.
6. Apply a coating of heat sink compound,
P/N 110563, to the high limit base before
mounting to tank.
To replace the booster tank heater:
1. Perform steps 1-5 above.
2. Turn off incoming water suppy.
3. Remove drain plug in bottom of
booster and drain water from tank.
4. Disconnect heater wires.
5. Remove (3) retaining element retaining
nuts and washers.
6. Remove element.
7. Replace booster element gasket.
DO NOT REUSE OLD GASKET
DO NOT APPLY RTV SEALANT
TO HEATER FLANGE.
8. Install the new element and tighten
the retaining nuts in a cross pattern
until element and gasket are snug.
DO NOT OVER TORQUE THE
RETAINING NUTS.
DOING SO WILL DAMAGE
THE TANK STUDS.
9. Reconnect heater wires.
10. Restore power and water.
11. Check the element and the drain plug
for leaks.
12. Check for proper operation.
13. Reinstall lower front panel.
Remove heater wires
Remove retaining nuts
Install new gasket
DO NOT REUSE THE OLD GASKET