Outdoor Unit - Panasonic CS-Z25UD3EAW Service Manual

12.2 Outdoor Unit

12.2.1 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 [piping length for additional gas], additional refrigerant should be added as shown in
the table.
Table A
Piping size
Horse
Model Power
(HP)
Gas Liquid
9.52
Z25**** 1.0HP
mm
6.35
Z35**** 1.5HP "
(3/8 )
mm
12.7
Z50**** 2.0HP
(1/4
mm
Z60**** 2.25HP "
(1/2 )
Example: For Z25****
If the unit is installed at 10 m distance, the quantity of additional refrigerant should be 25 g .... (10-7.5) m × 10 g/m =
25 g.
A = (M / (2.5 × (LFL)
min
A = Required minimum room area, in m
min
M = Refrigerant charge amount in appliance, in kg
LFL = Lower flammable limit (0.306 kg/m
h = Installation height of the appliance: (2.2m for mini cassette & ducted is standard reference installed height)
0
Min.
Std. Max
Piping
Length Elevation
A B Length
(m) (m)
(m)
15 3
15 3
5
" 20 3
)
20 3
(5/4) 2
× h ))
0
2
3
)
(2.5m for mini cassette & ducted is minimum installed height given by
manufacturer)
(0.6m for floor console)
It is advisable to avoid
more than 2 blockage
directions. For better
ventilation & multiple-
outdoor installation,
please consult authorized
dealer/specialist.
•
This illustration is for
explanation purposes only.
Max. Piping
Additional
Piping Length for
Refrigerant
Length add. gas
(g/m)
(m) (m)
20 10 7.5
20 10 7.5
30 15 7.5
30 15 7.5
49
Indoor Indoor
2
A (m ) A
min min
2.2m for 2.5m for
2.2m for
mini mini
ducted
cassette cassette
0.64 0.50 0.64
0.71 0.55 0.71
1.37 1.06 1.37
1.37 1.06 1.37
Power supply
cable ( )
Connection
cable ( )
1/4" Liquid
side piping ( )
Gas side
piping ( )
Additional
drain hose ( )
Installation parts you
should purchase ( )
Indoor
2 2
(m ) A (m )
min
2.5m for 0.6m for
ducted floor console
0.50 8.67
0.55 9.55
1.06 18.48
1.06 N/A