Resetting The Manual Reset Limit Switch; Changing The Readout Between Fahrenheit And Celsius - Watts AERCO Benchmark OMM-0136 Operation And Service Manual

Natural gas, propane gas and dual fuel modulating & condensing boilers
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Benchmark Platinum-Edge [II]: Operation-Service Manual
SECTION 4 – INITIAL START-UP
Temperature Adjustment Instructions
Figure 4-12: Auto-Reset Over-Temperature Limit Switch

4.7.2 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.
Resetting the Manual Reset Limit Switch Instructions
1. Power the unit ON and remove the front panel to expose the Over-Temperature Limit
switches.
2. Press the Manual Reset Limit Switch's RST (Reset) button.
3. You can now restart the unit.
Figure 4-13: Manual Reset Over-Temperature Limit Switch

4.7.3 Changing the Readout Between Fahrenheit and Celsius

Perform the following steps to change the temperature reading between Fahrenheit or Celsius.
Changing the Readout Between Fahrenheit and Celsius Instructions
1. Press and hold both the Increase and Decrease arrows at the same time for about 4
seconds. The display shows the temperature in Celsius and °F changes to °C.
2. To change the display back to Fahrenheit, repeat step 1.
OMM-0137_E • GF-211 •
12/13/2019
Figure 4-14: Changing the Display to Celsius
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
INCREASE
TEMPERATURE
DECREASE
TEMPERATURE
RESET
INCREASE
DECREASE
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