Panasonic CS-E9PD3EA, Service Manual

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11.2 Outdoor Unit
11.2.1 SELECTING THE INSTALLATION 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 [piping length for additional gas], additional refrigerant should be added as shown in
the table.
Model
Horse Power
(HP)
Piping size
Std. Length
(m)
Max.
Elevation
(m)
Min. Piping
Length
(m)
Max. Piping
Length
(m)
Additional
Refrigerant
(g/m)
Piping Length
for add. gas
(m)
Gas Liquid
E9***** 1.0HP
9.52mm
(3/8”) 6.35mm
(1/4”)
5
15 3 20 20 7.5
E12***** 1.5HP
9.52mm
(3/8”)
15 3 20 20 7.5
Example: For E9*****
If the unit is installed at 10 m distance, the quantity of additional refrigerant should be 50 g .... (10-7.5) m x 20 g/m =
50 g.
11.2.2 INSTALL THE OUTDOOR UNIT
At the best location, start installation according 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.
Please fasten the installation stand firmly with
bolt or nails.
Model A B C D
E9****,
E12****
540 mm 160 mm 18.5 mm 330 mm
11.2.3 CONNECT THE PIPING
Connecting The Piping To Indoor Unit
Please make flare after inserting flare nut (locate at
joint portion of tube assembly) onto the copper pipe.
(In case of using long piping)
Connect the piping

Align the center of piping and sufficiently tighten
the flare nut with fingers.

Further tighten the flare nut with torque wrench in
specified torque as stated in the table.
Connecting The Piping To Outdoor Unit
Decide piping length and then cut by using pipe cutter.
Remove burrs from cut edge. Make flare after
inserting the flare nut (locate at valve) onto the copper
pipe. Align center of piping to valve and then tighten
with torque wrench to the specified torque as stated in
the table.
Do not overtighten, overtightening may cause gas leakage.
Piping size Torque
6.35 mm (1/4") [18 N•m (1.8 kgf.m)]
9.52 mm (3/8") [42 N•m (4.3 kgf.m)]
12.7 mm (1/2") [55 N•m (5.6 kgf.m)]
15.88 mm (5/8") [65 N•m (6.6 kgf.m)]
19.05 mm (3/4") [100 N•m (10.2 kgf.m)]