Temperature Limits
SECTION XII - Temperature Limits
DANGER
Studies have indicated that dangerous bacteria can form in the potable water distribution system if certain minimum water temperatures are not maintained. For prevention of this, it is recommend- ed that the Secondary Thermostat be set as shown in Fig. 23 and maintained at 130ºF to 140ºF.
Setting Primary Thermostat Limit.
-The Primary (Space Heating) Thermostat located on the right side of the control panel acts as the high limit during the space heating function.
-Set the thermostat knob as shown in Fig. 22.
-Maximum limit setting is 180ºF
NOTICE
NOTICE
To adjust the thermostat settings:
-Turn thermostat knob clockwise
to increase water temperature
-Turn thermostat knob counter-
clockwise to decrease water temperature.
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Fig. 22: Recommended Primary Thermostat Setting
To ensure proper function of the limits the Primary Thermostat must be set higher than the Secondary Thermostat.
Adjustment of Secondary Thermostat Limit
-The Secondary (Domestic) Thermostat located on left side of the control panel maintains the minimum domestic water storage temperature.
-Set the thermostat knob as shown in Fig. 23.
-Maximum limit setting is 140ºF.
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Fig. 23: Recommended Secondary Thermostat Setting
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