Outdoor Fan Motor Operation - Panasonic CS-E9SD3UAW Service Manual


The indoor fan will operate according to pattern below.
Fan
Speed
a
Higher
Medium
Lower
[Heating]

According to indoor pipe temperature, automatic heating fan speed is determined as follows.
B. Feedback control

Immediately after the fan motor started, feedback control is performed once every second.

During fan motor on, if fan motor feedback ≥ 2550 rpm or < 50 rpm continue for 10 seconds, then fan motor error
counter increase, fan motor is then stop and restart. If the fan motor counter becomes 7 times, then H19 - fan
motor error is detected. Operation stops and cannot on back.
12.1.7

Outdoor Fan Motor Operation

Outdoor fan motor is operated with 15 fan speed. It starts when compressor starts operation and it stops 30 seconds
after compressor stops operation.
b c d
102ºF
66.2ºF
Indoor Pipe Temp.
ON
Compressor:
ON
Outdoor Fan:
e f g
RPM Increased
RPM Maintain
RPM Reduced
OFF
OFF
Fan Speed
OFF
30 sec
50
[1 pattern : 10 s]
h a b
95ºF
60.8ºF
ON
ON