9
WATER TEMPERATURE CONTROLS
A periodic inspection of the operating controls, heat exchanger and
wiring should be made by qualified service personnel.
Temperature of the water should be tested periodically at the faucet to
be sure thermostat is working properly.
TEMPERATURE ADJUSTMENT
The water heater is delivered with either a TPI thermostat or an ETC101
thermostat. Both have a factory set temperature setting of 120
F and
differential setting of 10
F. Any temperature adjustment of the thermostat
must be made by qualified service personnel, as shown below.
WARNING:
See SERVICE INFORMATION Water Temperature
Regulation, regarding safe water temperature before proceeding.
Hot water can cause scalding injuries.
1.
Shut off or disconnect all electrical supply to heater.
2.
Remove cover to Thermostat.
3.
Adjust right side lever to the desired temperature. Moving lever down
will decrease temperature.
(See Thermostat Diagram 1).
NOTE:
Markings on slide are approximate. Check temperature
at faucet to ensure safe operating temperature.
4.
Adjust left side lever to the desired differential. The thermostat will
call for heat when the tank temperature has fallen to the set
differential degrees below the Temperature set point.
5.
Reattach cover.
6.
Reconnect electrical supply.
7.
Check faucet temperature to verify desired temperature is achieved.
In order to set the temperature above 140
F {
NOT RECOMMENDED
}
you must remove the SCALD DANGER label attached to the
temperature slide.
Caution: Do not increase temperature above 140° without a properly
installed mixing valve in the system
– See Water Temperature
Regulation and SCALD WARNING.
Indicator LED operation:
The thermostat has an indicator LED at the top of the case.
(See
Thermostat Diagram 1 or Inside Cover of thermostat)
When thermostat is calling for heat, the Indicator LED will blink green.
When thermostat is satisfied, the Indicator LED will be solid green.
If the thermostat detects no probe, the Indicator LED will flash Red. Ensure
connections are tight.
Summary of Contents for S27TPP
Page 14: ...11 Thermostat Diagram 1 Thermostat Diagram 2 ...
Page 19: ...16 FIGURE 4 ...
