7
ENGLISH
1. GENERAL
This booklet briefly outlines where and how to install the air conditioning system. Please read over the entire set of instructions for the
indoor units and make sure all accessory parts listed are with the indoor units before beginning.
The installation of pipe-work shall be kept to a minimum.
WARNING
This symbol shows that this equipment uses a flammable refrigerant. If the refrigerant is leaked, together with
an external ignition source, there is a possibility of ignition.
CAUTION
This symbol shows type of flammable refrigerant contained in the system.
CAUTION
This symbol shows that the Operating Instructions should be read carefully.
CAUTION
This symbol shows that a service personnel should be handling this equipment with reference to the Technical
Manual.
CAUTION
This symbol shows that there is information included in the Operating Instructions and/or Installation
Instructions.
1-1. Tools Required for Installation (not supplied)
1. Flathead screwdriver
2. Phillips head screwdriver
3. Knife or wire stripper
4. Tape measure
5. Carpenter’s level
6. Sabre saw or keyhole saw
7. Hacksaw
8. Core bits
9. Hammer
10. Drill
11. Tube cutter
12. Tube flaring tool
13. Torque wrench
14. Adjustable wrench
15. Reamer (for deburring)
1-2. Accessories Supplied with Unit
Make sure all accessory parts listed are with the system before
beginning.
Part Name Figure Q’ty Remarks
Installation
plate
1
Screw (4×20)
5
For installation
plate installation
Flare
insulation
1
For flare nut
insulation
Clamper
1
For fixing wires
(optional)
1-3. Type of Copper Tube and Insulation Material
If you wish to purchase these materials separately from a local
source, you will need:
1. Deoxidized annealed copper tube for refrigerant tubing.
Cut each tube to the appropriate lengths +30 cm to 40 cm
to dampen vibration between units.
2. Foamed polyethylene insulation for copper tubes as
required to precise length of tubing. Wall thickness of the
insulation should be not less than 8 mm.
3. Use insulated copper wire for field wiring. Wire size varies
with the total length of wiring. Refer to 4. ELECTRICAL
WIRING for details.
CAUTION
Check local electrical codes and regulations before
obtaining wire. Also, check any specified instructions or
limitations.
1-4. Additional Materials Required for Installation
1. Refrigeration (armored) tape
2. Insulated staples or clamps for connecting wire (See your
local codes.)
3. Putty
4. Refrigeration tubing lubricant
5. Clamps or saddles to secure refrigerant tubing
6. Scale for weighing
00_300364_EU_all.indb 7 2018/1/24 14:46:27
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