Panasonic U-4LE1E5 Service Manual page 138
Mini vrf system
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Also See for U-4LE1E5:
- Installation instructions manual (224 pages) ,
- Service manual (133 pages) ,
- Operating instructions manual (180 pages)
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4. Mini VRF System Alarm Codes
3. Mini VRF System Alarm Codes
Single-phase outdoor unit HIC board
4-way Valve
(CN-20S)
Crankcase
heater
(CN-CH)
CN-VDC-
CN-VDC+
3-phase outdoor unit HIC board
5
4-way Valve
(CN-20S)
Crankcase
heater
(CN-CH)
NU
W
V
PIN2
NU
W
V
(VDC-)
U
P
U
P
PIN1
(VDC+)
5 - 50
Mini VRF SYSTEM
Mini VRF SYSTEM
Trouble Diagnosis
Trouble Diagnosis
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