Transport And Install The Outdoor Unit; Refrigerant Installation - Panasonic Inverter R32 Series Technical Data & Service Manual

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4. TRANSPORT AND INSTALL THE OUTDOOR UNIT

Transporting
1. Transport the outdoor unit in its original packaging as close as possible to the installation location.
2. In the event that the unit needs to be lifted or suspended, use a rope or belt and use cloth or wood as padding to avoid damaging the unit.
3. Use the side handles to carry the unit and be careful not to touch the fan with your hand or any objects.
Installation
1. Read the "Select the outdoor unit installation location" thoroughly before installing the outdoor unit.
2. When installing to a concrete or solid surface, use M10 or a W 3/8 bolts and nuts to secure the unit. Ensure that it installed upright on a horizontal
plane. (Use an anchor bolt for the installation as shown in the diagram below.)
3. Avoid installing on the slanted roof.
4. In the even where the roof is at risk of receiving oscillations or vibrations, secure the unit with a seismic isolating mount or vibration absorbing
rubber.
5. The drain water will be discharged from the unit during heating or defrosting
operation mode.
Select an appropriate location with good drainage system. (In the winter, there
is risk of slipping due to freezing, and depending on the installation set up there
is risk of drain water running overhead.)
Please consult us if installing drain elbows.
In cold regions (where the outdoor temperature can drop to below 0˚
for 2 to 3 consecutive days), the drain water may freeze and may
prevent the fan from operating. For this case, do not use the drain
elbow.

5. REFRIGERANT INSTALLATION

For indoor unit refrigerant piping installation, refer to the installation instruction manual that comes with that indoor unit.
Do not reuse existing piping, install new piping.
1. Precautions during refrigerant installation.
Use clean pipes with no dust inside.
The pipe may corrode with the presence of fl uorine dust which will adversely affect the refrigerant piping system
due to deterioration of the refrigerant oil, etc.
This unit is specifi cally for R32. Ensure to adhere to the following items and install accordingly:
• Use pipe cutters and fl aring tools which are specially designed for use with R32.
• When connecting with fl aring tools, coat the fl are section with ether-based oil.
• Ensure to use fl are nuts supplied with the unit when connecting this unit.
• Only for storing or for open pipes.
• Set the lower limit of the allowable pipe length to 5m.
If the pipe is shorter than 5m, the refrigerant may become overfi lled and a problem such as abnormal high
pressure could occur.
• Carefully handle the liquid refrigerant, as it may cause a frostbite.
• Do not release refrigerants during the piping works for installing, re-installing and repairing refrigeration parts.
2. The local pipes can protrude from any four directions.
Make holes in the pipe panel for the pipes to penetrate it and lay the pipes accordingly.
• It is recommended to apply additional substance to the cut area for anti-rust protection.
Ensure to install pipe panels to prevent rain water from getting into the unit.
Close the gap at the pipe connected area with putty or heat insulator (locally supplied).
• If an insect or small animal enters the outdoor unit, there is the risk of shorting in the product electronic casing.
[Remove the front panel]
(1) Remove the 2 mounting screws.
(2) Slide the front panel using your hands downwards to release the pawls.
Then remove by pulling the panel towards you.
Specifi cation for pipe connecting indoor unit to outdoor unit.
M a i x m u m p p i e e l n g h t
Outdoor located higher installation
Height difference
Outdoor located lower installation
C h a g r - e e l s s p p i e e l n g h t
Additional charge per 1 m
Refrigerant charged at shipment
Total refrigerant amount
230 200 160 350
159 660 159
(Anchor pitch)
Drain hole ø32
Anchor bolt position
U-100 U-125/140
5 0 m
30m
15m
5 3 - 0 m
45 /m
2.60 2.98
3.50 3.88
1-11-26
More than 40mm
Base
Anchor bolt length
Front
direction
Mounting screws for
the front panel
Piping
Prevention measures to avoid small
Front panel
Rear
direction
Rear piping
panel
Sideways
direction
Downward
Front piping
direction
panel
Putty or heat
insulator (locally
supplied)
animals from entering