– 83 –
Strong
wind
OK
NO GOOD
10-4. Outdoor Unit
10-4-1. Accessory and Installation Parts
10-4-2. Refrigerant Piping
• Piping kit used for the conventional refrigerant cannot be used.
• Use copper pipe with 0.8 mm or more thickness.
• Flare nut and flare works are also different from those of the conventional refrigerant.
Take out the flare nut attached to the main unit of the air conditioner, and use it.
10-4-3. Installation Place
• A place which provides the spaces around the outdoor unit.
• A place where the operation noise and discharged air do not disturb your neighbors.
• A place which is not exposed to a strong wind.
• A place which does not block a passageway.
• When the outdoor unit is to be installed in an elevated position, be sure to secure its feet.
• There must be sufficient spaces for carrying the unit into and out of the site.
• A place where the drain water does not raise any problem.
• A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration.
CAUTION
1. Install the outdoor unit without anything blocking the air discharging.
2. When the outdoor unit is installed in a place exposed always to a strong
wind like a coast or on a high story of a building, secure the normal fan
operation using a duct or a wind shield.
3. Especially in windy area, install the unit to prevent the admission of wind.
Fig. 10-4-1
4. Installation in the following places may result in trouble. Do not install the unit in such places.
• A place full of machine oil.
• A place full of sulfide gas.
• A place where high-frequency waves are likely
• A saline-place such as a coast.
to be generated as from audio equipment,
welders, and medical equipment.
10-4-4. Optional Installation Parts (Local Supply)
1 Refrigerant piping covered with insulating material (Polyetylene form, 6 mm thick).
When duct-type or cassette-type unit is to be installed, it shall be covered with thicker insulating material
(Polyetylene form, 10 mm thick).
Parts name
Refrigerant piping
1
Putty, PVC tapes
Parts name
Indoor unit (abbreviation)
Liquid side (O.D.)
Gas side (O.D.)
07, 10, 13
6.35 mm
9.52 mm
16, 18
6.35 mm
12.7 mm
Q’ty
1 ea.
1 ea.
Rubber cap
(Water-proof)
Installation manual
1
5
CD-ROM
(Installation manual)
1
F-GAS label
1
Drain nipple
1
