Outdoor Unit - Panasonic CS-Z35UD3RAW 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
Horse
Piping size
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 )
(*) Systems with total refrigerant charge, m
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 c
A = Required minimum room area, in m
min
m = Refrigerant charge in appliance, in kg
c
LFL = Lower flammability limit (0.307 kg/m
h = Installation height of the appliance : (2.2m for mini cassette & ducted)
0
SF = Safety factor with a value of 0.75
** The required minimum room area, A
A = m / (SF × LFL × h
min c
The higher value shall be taken when determining the room area.
Min. Max.
Std. Max
Length Elevation Piping Piping
Length Length
A B
(m) (m)
(m) (m)
15 3 20
15 3 20
5
20 3 30
20 3 30
, lower than 1.84kg are not subjected to any room area requirements.
c
(5/4) 2
× h ))
0
2
3
)
(0.6m for floor console)
, shall also be governed by the safety factor margin formula below :
min
)
0
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.
Piping Max.
Additional
Length for Refrigerant
Refrigerant
add. gas Charge
(g/m)
(m) (kg)
10 7.5 1.05
10 7.5 1.10
15 7.5 1.44
15 7.5 1.51
** not less than safety factor margin
Power supply cable ( )
Connection cable ( )
1/4" Liquid side piping ( )
Gas side piping ( )
Additional drain hose ( )
Installation parts you
should purchase ( )
57
Indoor A for Indoor A for
min min
mini cassette ducted
2 2
(m ) (m )
Not applicable (*) Not applicable (*) Not applicable (*)
Not applicable (*) Not applicable (*) Not applicable (*)
Not applicable (*) Not applicable (*) Not applicable (*)
Not applicable (*) Not applicable (*)
Indoor A for
min
floor console
2
(m )
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