Panasonic U-4LE2E5 Service Manual & Test Run Service Manual page 19

2. Compressor Control
U-4LE2E8, U-5LE2E8, U-6LE2E8
Type of outdoor unit
Limit current 1
Primary Maximum current 1 H
Maximum current 1 L
* Normally, maximum current is limited in demand control shown on page 1-26.
Type of outdoor unit
Limit current 2
Secondary Maximum current 2 H
Maximum current 2 L
Stop If this current is detected at regular intervals, alarm appears.
Limit current 1, 2
Frequency of inverter compressor goes down.
Max. current 1H, 2H
Frequency of inverter compressor cannot increase.
Max. current 1L, 2L
Frequency of inverter compressor can increase.
Inverter layout
Fuse Fuse
Noise filter
Power
supply
L1
L2
L3
N
Fuse
Noise filter
unit: Ampere
4HP 5HP
14.0 14.0
8.0 10.0
7.0 9.0
4HP 5HP
15.2 15.2
12.2 12.2
11.2 11.2
Reactor
Diode
bridge
Primary CT
Diode
bridge
1 - 9
Control Functions - Outdoor unit
6HP
14.0
12.0
11.0
6HP
15.2
12.2
11.2
Secondary CT
IPM
(CM1)
Fuse
Mini VRF SYSTEM
Compressor
Fan motor
1