Panasonic CS-E18SD3UAW service manual - Page 50

Outdoor Fan Motor Operation

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 The indoor fan will operate according to pattern below. Fan Speed Higher a Medium Lower b c d e f [1 pattern : 10 s] g h a b [Heating]  According to indoor pipe temperature, automatic heating fan speed is determined as follows. 102ºF RPM Increased RPM Maintain RPM Reduced 95ºF 66.2ºF OFF 60.8ºF Indoor Pipe Temp. 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. Compressor: Outdoor Fan: ON ON Fan Speed 30 sec OFF OFF ON ON 50

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50
The indoor fan will operate according to pattern below.
Fan
Speed
a
b
c
d
e
f
g
h
a
b
[1 pattern : 10 s]
Higher
Medium
Lower
[Heating]
According to indoor pipe temperature, automatic heating fan speed is determined as follows.
Indoor Pipe Temp.
OFF
RPM Reduced
RPM Maintain
RPM Increased
102ºF
95ºF
60.8ºF
66.2ºF
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.
ON
Compressor:
Outdoor Fan:
Fan Speed
ON
ON
ON
30 sec
OFF
OFF