Carrier 38GS User Manual
Page 9
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CONTROL CIRCUIT TROUBLESHOOTING CHART (GS,CC048 and 060)
Before attempting any corrective action, wait 8 minutes after power is supplied to permit CPCS time delay period to end.
If control circuit
broken and unit has no time delay (or if time delay is over 8 minutes), replace CPCS board
tVoltage reading less than 20 volts may result from feedback circuit
I—mnrnnrtWfsrr—I
r* Olif *—
26VA
TYPICAL CONTROL CIRCUIT
INDOOR UNIT TRANSFORMER
THERMOSTAT
(COOLING), ,
" ^Q—-—(CR
--
0
-^-
0
-
TRIAC
O
CPCS Receptacle
^Component Connections
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