Green Air Products CT-HT-2 Manual de inicio rápido - Página 2

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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.