Cooling Mode - Electra PXD912 Service Manual

11.4

Cooling Mode

11.4.1 Cooling Mode – General
a. Mode Definition
Mode:
Temp: Selected desired temperature.
Fan:
Timer: Any
I-FEEL: ON or OFF
b. Room Temperature, RT, is detected by:
x RAT in normal operation, or
x RCT (R/C sensor) in I-FEEL mode.
c. Indoor Coil Temp is detected by ICT.
d. Outdoor Coil Temp is detected by OCT.
11.4.2 Control Functions
a. COMP Operation
COMP
ON
OFF
b. OFAN Operation
x In normal operation OFAN operates together with the COMP.
c. IFAN Operation
x IFAN will operate in ANY speed regardless the ICT or COMP state.
x IFAN speed will be determined according to user selection or
AUTO-FAN logic
d. RV and HEATERS outputs
x RV and HEATERS are in OFF state in COOL mode.
SM PXD 1-E.3 GB
COOL, AUTO (at Cooling)
HIGH, MED, LOW, AUTO.
0
CONTENT
RT-SPT
1
CONTROL SYSTEM
11-9