Panasonic CU-E18CKR Service Manual page 36

2. However, it can be stopped using remote control or Auto Switch
at indoor unit.
8.2.1.3. Total Running Current Control
1. When the outdoor unit total running current (AC) exceeds X value,
the frequency instructed for compressor operation will be
decreased.
2. If the running current does not exceed X value for five seconds,
the frequency instructed will be increased.
3. However, if total outdoor unit running current exceeds Y value,
compressor will be stopped immediately for three minutes.
Operation Mode
Cooling/Soft Dry (A)
Cooling/Soft Dry (B)
Heating
4. The first 30 minutes of cooling operation, (A) will be applied.
8.2.1.4. IPM (Power transistor) Prevention Control
A. Overheating Prevention Control
1. When the IPM temperature rises to 110°C, compressor operation
will stop immediately.
2. Compressor operation restarts after three minutes the
temperature decreases to 95°C.
E21CK
X (A) Y (A)
11.0 15.0
9.6 15.0
11.5 17.0
E18CK
X (A) Y (A)
8.8 15.0
7.7 15.0
10.8 17.0