Installation Instruction; Cu-2E15Pbe Cu-2E18Pbe - Panasonic CU-2E15PBE Service Manual

10. Installation Instruction

10.1 CU-2E15PBE CU-2E18PBE

10.1.1 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.
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.
If piping length is over the common length,
additional refrigerant should be added as shown
in the table.
Std. Min.
Piping size Length Length
(m) (m)
Gas Liquid 5 m / 3 m /
9.52 mm 6.35 mm indoor indoor
(3/8") (1/4") unit unit
Note:
(1) It is possible to extend the piping length of one unit
up to 20 meters.
However, the total piping length must not exceed
30 meters.
(2) If the length exceeds 20 meters, refrigerant of 15g
per meter must be added.
10.1.2 Disposal Of Outdoor Unit Drain Water
If a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm.
If the unit is used in an area where temperature falls below 0°C for 2 or 3 days in succession, it is recommended
not to use a drain elbow, for the drain water freezes and the fan will not rotate.
10.1.3 Install The Outdoor Unit
After selecting the best location, start installation
to Indoor/Outdoor Unit Installation Diagram.
1. Fix the unit on concrete or rigid frame firmly
and horizontally by bolt nut (ø10 mm).
2. When installing at roof, please consider strong
wind and earthquake.
Please fasten the installation stand firmly with
bolt or nails.
Additional
Max. total Max.
gas charge
Length Elevation
amount
(m) (m)
(g/m)
30 10 15
Model
2E15***, 2E18*** 540 mm 160 mm 18.5 mm 330 mm
39
A B C D