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Centurion Water Heater- Edge [ii]: Install-Operation-Service
SECTION 5: INITIAL START-UP
OMM-0153_A
• 8/25/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 49 of 131
Note the following points:
•
Both switches display the temperature to which the switch is set (the temperature
limit),
not
the actual temperature it is reading.
•
Both switches can display temperatures in Fahrenheit or Celsius.
•
The
Auto-Reset
switch is preset to 160ºF (71°C) but can be adjusted as needed to
suit local conditions, as described below.
Figure 5-8: Over-Temperature Limit Switches
5.4.1 Adjusting The Automatic Reset Limit Switch Temperature
1. Power unit ON and remove the front panel to expose the Over-Temperature Limit switches.
2.
Press the Automatic Reset Limit Switch’s SET button: SP appears in the display.
3. Press the SET button again. The current setting stored in memory is displayed.
4.
Press the ▲ or ▼ arrow buttons to change the display to the desired temperature setting.
5. When the desired temperature is displayed, press the SET button.
6. Press both the SET and
▼ arrow buttons at the same time. This stores the setting in memory;
note that OUT1 appears in the upper-left corner of the display as confirmation.
Figure 5-9: Auto-Reset Over-Temperature Limit Switch
5.4.2 Resetting The Manual Reset Limit Switch
Perform the following steps to rest the Manual Reset Limit Switch after it has gone into Alarm
mode, and after the temperature has fallen at least 10 degrees below the limit.
1. Power unit
ON
and remove front panel to expose Over-Temperature Limit switches.
2.
Press the Manual Reset Limit Switch’s
RST
(Reset) button.
3. You can now restart the unit.