Installation Instruction; Select The Best Location - Panasonic CS-HZ25WKE Service Manual

12. Installation Instruction

12.1 Select the Best Location

12.1.1 Indoor Unit

Do not install the unit in excessive oil fume area
such as kitchen, workshop and etc.

There should not be any heat source or steam near
the unit.

There should not be any obstacles blocking the air
circulation.

A place where air circulation in the room is good.

A place where drainage can be easily done.

A place where noise prevention is taken into
consideration.

Do not install the unit near the door way.

Ensure the spaces indicated by arrows from the wall,
ceiling, fence or other obstacles.

Recommended installation height for indoor unit is at
1.8 m or more from the floor.
12.1.2 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)
HZ25*** 1.0HP
9.52 mm
"
(3/8 )
HZ35*** 1.5HP
(*) Systems with total refrigerant charge, m
Example: For HZ25***
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 =
50g.
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.
Std.
Length Elevation
Liquid
(m)
6.35 mm
5
"
(1/4 )
, 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
12.1.3
50 mm
or more

This illustration is for explanation purposes only.
The indoor unit will actually face a different way.
Min. Max.
Max
Piping Piping
Refrigerant
Length Length
(m)
(m) (m)
10 3 20
10 3 20
** not less than safety factor margin
30
Indoor/Outdoor Unit Installation
Diagram
P p i n i g r i d c e o i t n t A e t n o i t n n t o o t
up drain hose
(Front side)
Right
Right
Rear
Right Left
bottom
(Left and right are identical)
Insulation of piping connections
•
Carry out insulation after
checking for gas leaks and
secure with vinyl tape.
Vinyl tape
Attaching the remote control holder to the wall
Remote control holder fixing screws
Remote
control
Remote control holder
It is advisable to
avoid more than 2
blockage directions.
For betterventilation
& multiple-outdoor
installation, please
consult authorized
dealer/specialist.
Additional Piping Length Max.
for add. gas Refrigerant
(g/m) (m) Charge (kg)
20 7.5 1.37
20 7.5 1.37
b e n d
Installation parts you
should purchase ( )
Installation plate
Bushing-Sleeve ( )
Sleeve ( )
Putty ( )
(Gum Type Sealer)
Bend the pipe as closely
on the wall as possible,
but be careful that it
doesn't break.
In case of indoor
power supply
Power supply cord ( )
Flare connection
Vinyl tape(wide)( )
• Apply after
carrying out a
drainage test.
• To carry out the
drainage test,
remove the air
filters and pour
water into the heat
exchanger.
Saddle ( )
In case of outdoor
power supply
Power supply cord ( )
Connection cable
Liquid side piping ( )
Gas side piping ( )
Additional drain hose ( )
Control Board cover
Indoor
A (m 2 )
min
Not applicable (*)
Not applicable (*)