Advertisement
Checkout Procedure
Before leaving the installation,
observe at least three complete
operating cycles to be sure that
all components are functioning
correctly.
1.
Move lever toward "Warm"
to raise the temperature
setting to check the heating
cycle.
2.
Move the lever toward
"Cool" to lower the
temperature setting to
check the cooling cycle.
The center of the scale is
approximately 75°F (24°C).
Fig 4 -- Remove the cold anticipator resistor for
208/240 V. service by clipping the leads at point
2 T28 Technical Bulletin
Service
If the thermostat has a
thermometer in the cover, the
thermometer can be
recalibrated. Remove the
thermostat cover. Place an
accurate test thermometer and
the cover side by side and allow
to reach a stable temperature
before adjusting. Carefully turn
the hex nut behind the insulator
with a thin wrench until the
pointer corresponds to the test
thermometer.
Repairs and Replacement
Field repairs must not be made.
For a replacement thermostat,
contact the nearest Johnson
Controls wholesaler.
"A" and "B".
Advertisement
