Innovation Hot Water Hot Water Boiler User Manual
- INTERNATIONAL
CHAPTER 4 – INITIAL START-UP
OMM-0120_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
59
of
174
GF-128-I
Phone: 800-526-0288
11/15/2016
4.6 OVER-TEMPERATURE LIMIT SWITCHES
The unit contains both
Automatic Reset
and
Manual Reset
Over-Temperature Limit
switches,
shown in Figure 4-6. They can be accessed by opening the front panel door of the unit.
The
Manual Reset
Over-Temperature
Limit
switch is not adjustable and is permanently fixed at
190°F (87.7°C). This switch will shut down and lock out the heater if the water temperature
exceeds 190°F (87.7°C). Following an over-temperature condition, it must be manually reset by
pressing the
RESET
button before the heater can be restarted.
The
Automatic Reset
Over-Temperature
Limit
switch is adjustable and allows the unit to
restart, once the temperature drops below its temperature setting. Set the
Automatic Reset
Over-Temperature
Limit
switch to the desired setting.
Figure 4-6. Over-Temperature Limit Switch Location
MANUAL RESET
OVER-TEMPERATURE
LIMIT SWITCH
(NON-ADJUSTABLE)
AUTOMATIC RESET
OVER-TEMPERATURE
LIMIT SWITCH
(ADJUSTABLE)
