Panasonic CS-E12HKEA, Service Manual

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a. Ionizer Only Operation.
1. When air-conditioner unit is at “OFF” condition (standby) and ION operation button at remote control is pressed.
Fan & ionizer on, ION LED illuminates, but power LED maintain off. (1
o
2)
However, fan speed can be adjusted later by customer during this operation.
Airflow direction (Horizontal Vane) control:
Follow vane direction control at cooling mode.
Horizontal vane can be changed by customer during ion only operation.
b. Operation Mode + Ionizer Operation.
1. Ionising Operation Start Condition
When air conditioner unit is in “ON” condition (Heat, Cool, Dry, Auto mode) and ION operation button at remote control is
pressed. Ionizer on & ION LED illuminates. (3
o
4)
Power LED also illuminates.
2. Ionising Operation Stop Condition
When one of the following condition is satisfied, ION operation stops.
a. Stopped by ON/OFF switch.
b. Timer OFF activates.
c. ION feedback signal shows error.
3. Ionizer operation status is not memorised by micon. After OFF, when operation is “ON” again, air conditioner operates without
ionizer operation.
12.2. Protection Control
12.2.1. Time Delay Safety Control
• Compressor will not start for three minutes after stop of the operation.
12.2.2. 30 Seconds Forced Operation
• Once compressor starts the operation, it will not stop its operation for 30 seconds. However, it can be stopped with the remote
controller or the Auto button on the indoor unit.
12.2.3. Total Running Current Control
1. When the total running current exceeds l1, compressor operation frequency is reduced. If it reaches below l1, the operation
frequency is increased. (But, up to programmed frequency.)
2. If total running current exceeds l2, compressor is stopped immediately.
3. If it happens three (3) times within 20 minutes, operation will be stopped and Timer LED blinks. (“F98” is activating.)
12.2.4. IPM (Power transistor) Protection Control (DC Peak detection)
Abnormal Current Control
• If inverter load current (DC peak) exceeds a rated value, compressor will be stopped immediately. When the excess occurs
within 30 seconds after operation, it restarts in 1 minute and when after 30 seconds, restarts in 2 minutes.
• If the excess continuously occurs 7 times within 30 minutes after compressor starts, the unit will be stopped and timer LED on
the indoor unit will be blinking. (“F99” is to be confirmed.)
Running current CS-E9HKEA CS-E12HKEA
Cooling
l1 3.7A 5.8A
I2 25.0A 25.0A
Heating
I1 5.9A 8.2A
I2 25.0A 25.0A