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TnBKmosTAT
ADJUSTMENT
The thermostat can be adjusted by turning screw
#1
(see picture) on the thermostat control box cover.
(Remember the present setting, in case the problems are elsewhere in the control circuit.) A CW rotation is
used to obtain a lower temperature setting and a CCW rotation is used to obtain a higher temperature setting.
A 1/8 tum of screw si changes the temperature approximately 15° F. If screw si is turned all the way to
its stop in either direction; adjust screw s
2
as follows. DO NOT TOUCH THE SCREW SEALED WITH
RED PAINT. When adjusting screw
s2
power should be disconnected during adjustment.
Set screw si so that it can be turned equal distances in either direction, then:
—if screw si stopped while turning in CW direction, turn screw
uz
3.'4 turn in CW direction.
—if screw si stopped while turning in CCW direction, turn screw s2 3/4 turn in CCW direction.
This will bring the thermostat to approximately the same setting obtained where screw si stopped. Check
the present temperature setting before attempting any further adjustments. Use screw si for any further
adjustments.
i
Screw £1
FRONT VIEW
12
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