Green Air Products CT-HT-2 Manuel de démarrage rapide - Page 2
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T
C
HERMOSTAT
ALIBRATION
The internal temperature sensors installed in this controller have
been calibrated and should not require further adjustment. If
necessary, the thermostats may be calibrated with the trim screw. A
thru-hole is provided on chassis under the setpoint knob. Avoid
undue pressure on the trim screw. Adjustments are very slight;
usually a 1/8 turn either way is adequate. Place a thermometer next
to the controller and let it stabilize to ambient temperature. Unplug
all fans or heaters from controller during this procedure. The
controller should remain plugged in with power switch 'ON'. Outlet
lights will indicate switch points. Turn cooling thermostat knob to
the left until outlet indicator light comes "on". Slowly turn knob back
to the right until light turns off. This point should match the
temperature reading on the thermometer. If not, turn knob back to
the left, adjust trim screw very slightly and turn knob right again to
re-check switchpoint temperature. When switchpoint temperature
matches that of thermometer calibration is complete. During
adjustment, pressure on trim screw will cause incidental switching.
This is normal and has no affect on adjustment procedure. Repeat
the proceedure for the heating thermostat, except start by slowly
turning the setpoint knob to the left until outlet indicator light turns
"on". Then, slowly turn to the right until light turn off again. This
"off" temperature should match the test termometer.