CHAMPION PP-28 Manual - Manual (Page 29)

21
ELECTRICAL SERVICE (Cont.)
Thermostat Locations and Adjustments
Refer to Fig. 7
Electric tank heat is controlled by two thermostats.
1. The control thermostat which regulates the
temperature.
2. The high limit thermostat which protects from
overheating.
Location:
Both thermostats are located on front of tank, inside
a black enclosure box behind the front access panel.
Adjustment:
The Control Thermostat has an adjustment screw
on one side.
• The thermostat is wired Normally Closed.
• Turn the adjustment screw clockwise to increase
the temperature in the tank and counterclockwise
to decrease the temperature in the tank.
The High Limit Thermostat is not adjustable.
It contains a red reset button in its center.
• The red button pops out if the temperature
in the tank exceeds 210˚F/99˚C.
• Press the red button in to reset the high limit.
Determine the cause of the high temperature condition.
Refer to Fig. 7 and Fig. 8
Electric Booster Heat is controlled by two thermostats.
1. The control thermostat which regulates the
temperature.
2. The high limit thermostat which protects from
overheating.
3. The tank(s) have a control and a high limit thermostat.
Location:
The control thermostat is enclosed in a black box mounted
on the front of the wash tank behind the front access panel.
The high limit thermostat is enclosed in a box mounted
on top of the booster tank.
Adjustment:
The control thermostat has an adjustment screw on one side.
• The thermostat is wired Normally Closed.
• Turn the adjustment screw clockwise to increase the booster
tank temperature and counterclockwise to decrease the booster
tank temperature.
The high limit thermostat is a bimetal snap design.
It is not adjustable.
• A button with a red dot in the center pops out when
the temperature exceeds 210˚F/99˚C.
• Press the red reset button in to reset the high limit.
Determine the cause of the high temperature condition.
Figure 8
Booster Thermostat Locations
Figure 9
Booster – High Limit
Thermostat
Control
Thermostat
High Limit
Thermostat
Control Thermostat
High limit
Thermostat
Figure7
Tank Heat Thermostats
ELECTRICAL SERVICE