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Temperature LimitsSECTION XII - Temperature LimitsStudies 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 SecondaryThermostat be set
as shown in Figure 38 and maintained at
130ºF to 140ºF.
Setting PrimaryThermostat Limit.
- The Primary (Space Heating) T h e r m o s t a t
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
Figure 39.
-Maximum limit setting is 180ºF
To ensure proper function of the limits
the PrimaryThermostat 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
Figure 38.
-Maximum limit setting is 140ºF.
To adjust the thermostat settings:
- Turn thermostat knob clockwi se
to increase water temperature
- Turn the rmostat knob counter-
clockwise to decrease water
t e m p e r a t u re .
NOTICE
NOTICE
DANGER
Fig. 38: Recommended Secondary
Thermostat Setting
Fig. 39: Recommended Primary Thermostat
Setting