Panasonic CU-3E18JBE / CU-4E23JBE Service Manual ▷ View online
25
8.2.
Noise Filter Printed Circuit Board
8.3.
Display Printed Circuit Board
26
9 Installation Information
9.1.
CU-3E18JBE
9.1.1.
Check Points
27
9.2.
CU-4E23JBE
9.2.1.
Check Points
28
10 Installation Instruction
10.1. Select The Best Location
• If an awning is built over the unit to prevent direct sunlight or
rain, be careful that heat radiation from the condenser is not
obstructed.
obstructed.
• There should not be any animal or plant which could be
affected by hot air discharged.
• Keep the spaces indicated by arrows from wall, ceiling,
fence or other obstacles.
• Do not place any obstacles which may cause a short circuit
of the discharged air.
* In case of indoor is CS-E21***, CS-XE21***, then ø 12.7
t0.8 gas-pipe size must be used together with CZ-MA2P
(pipe size expander)
(pipe size expander)
• If total piping length of all indoor units exceed the equivalent
length listed above, additional charge with 20g of refrigerant
(R410A) for each additional meter of piping.
(R410A) for each additional meter of piping.
Refrigerant piping size
Outdoor Unit
CU-3E18JBE
CU-4E23JBE
Liquid - side
ø 6.35 t0.8
ø 6.35 t0.8
Gas - side
ø 9.52 t0.8
ø 9.52 t0.8
*(ø 12.7 t0.8)
Outdoor Unit
CU-3E18JBE
CU-4E23JBE
Equivalent length
30m
30m
Allowable piping length
Outdoor Unit
CU-3E18JBE
CU-4E23JBE
Allowable piping length of each indoor unit (min. ~ max.)
3m ~ 25m
3m ~ 25m
Allowable total piping length of all indoor unit
50m or less
60m or less
Height difference between indoor and outdoor unit
Outdoor unit located on upper side
15m or less
15m or less
Outdoor unit located otherwise
7.5m or less
7.5m or less
Height difference between indoor unit
Outdoor unit located on upper side
7.5m or less
7.5m or less
Outdoor unit located otherwise
15m or less
15m or less
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