Select The Best Location - Panasonic CS-RZ25VKRW Service Manual

12.3 Select the Best Location

12.3.1 Outdoor Unit

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
Capacity
Model W
Gas
(HP)
RZ25*** 1.0HP
9.52 mm
"
(3/8 )
RZ35*** 1.5HP
RZ42*** 1.75HP
12.7 mm
RZ50*** 2.0HP
6.35 mm
"
(1/2 )
RZ60*** 2.25HP
RZ71*** 2.5HP
15.88 mm
"
(5/8 )
RZ80*** 3.0HP
(*) Systems with total refrigerant charge, m
Example: For RZ25***
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 (1.8 m for wall mounted)
0
SF = Safety factor with a value of 0.75
** The required minimum room area, A
A = m
min c
The higher value shall be taken when determining the room area.
Min.
Std. Max
Piping
Length Elevation
Length
Liquid
(m) (m)
(m)
15 3
15 3
15 3
15 3
5
"
(1/4 )
15 3
20 3
20 3
lower than 1.84kg are not subjected to any room area requirements.
c
(5/4) 2
× h ))
0
2
3
)
, shall also be governed by the safety factor margin formula below :
min
/ (SF × LFL × h )
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.
Max. Piping
Additional
Piping Length for
Refrigerant
Length add. gas
(g/m)
(m) (m)
20 10 7.5
20 10 7.5
20 10 7.5
30 15 10
30 15 10
30 25 10
30 25 10
** not less than safety factor margin
68
Max.
Refrigerant Indoor
2
Charge A (m )
min
(kg)
0.80 Not applicable (*)
0.98 Not applicable (*)
1.00 Not applicable (*)
1.44 Not applicable (*)
1.52 Not applicable (*)
1.82 Not applicable (*)
1.99 4.80
Power supply cable ( )
Connection cable ( )
1/4" Liquid side piping ( )
Gas side piping ( )
Additional drain
hose ( )
Installation parts you
should purchase ( )