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62-11175 COMFORTPRO SERVICE MANUAL
A-7
Inputs
AC
– This is the input from the Driver Control Panel only when it is calling
for Air conditioning. (Low or High A/C.)
HEAT
– This is the input from the Driver Control Panel only when it is
calling for Heat. (Low or High Heat.)
FAN LOW
– This is the input from the Driver Control Panel only when it is
calling for CCU Low Fan. (Used in Fan, A/C, and Heat modes.)
FAN HIGH
– This is the input from the Driver Control Panel only when it is
calling for CCU High Fan. (Used in Fan, A/C, and Heat modes.)
*Outputs
OUTLET
– This is the output signal to the Power Outlet relay. It is On any
time 120 VAC Power is available to the Outlet. If High Heat mode is selected
the Outlet will be turned off.
LOW HEAT
– This is the output signal to the Low Heat relay. It is On any
time Low Heat is called for.
**COMPRESSOR
– This is the output signal to the A/C Compressor relay.
It is On any Time the A/C is called for. (Low or High.)
**CONDENSER
– This is the output signal to the Condenser Fan relay. It is
On any Time the A/C is called for. (Low or High.)
LOW FAN
– This is the Output signal to the CCU Low Fan relay. It is On any
time the CCU Low Fan is called for. (Used in Fan, A/C, and Heat mode.)
HIGH FAN
– This is the Output signal to the CCU High Fan relay. It is On any
time the CCU High Fan is called for. (Used in Fan, A/C, and Heat modes.)
HIGH HEAT
– This is the output signal to the High Heat relay. It is On any
time High Heat is called for. High Heat and Outlet can not be on at the
same time.
Service Light
If yellow Service Light is illuminated, reprogram or replacement of CCU
board may be required.
*NOTE:
Outputs only indicate the signal to turn the component relay on.
They do not indicate that the actual component itself is working.
**NOTE:
Air Conditioning is a sequence start. CCU fan will come on first,
0.5 seconds later the Condenser Fan will come on, and 0.5 seconds after
the Condenser fan the A/C Compressor will come on.
CCU CONTROLLER
Figure A-5: CCU Controller
NOTICE
Yellow Service Light will flash when
CCU is OFF.
Содержание ComfortPro PC6000
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