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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 Figure 38 and maintained at
130ºF to 140ºF.
Setting Primary Thermostat 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
NOTICE
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
Figure 38.
-
Maximum limit setting is 140ºF.
NOTICE
To adjust the thermostat settings:
-
Turn thermostat knob clockwise
to increase water temperature
-
Turn thermostat knob counter-
clockwise
t e m p e r a t u re .
Fig. 38: Recommended Secondary
Thermostat Setting
Fig. 39: Recommended Primary Thermostat
Setting
54
to decrease water
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