Table of Contents
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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 and outdoor units and
make sure all accessory parts listed are with the sys-
tem before beginning. If the electric wiring diagram
does not appear in this manual, please check for the
diagram on the indoor unit.
1-1. Tools Required for Installation (not supplied)
1. Standard screwdriver
2. Phillips head screwdriver
3. Knife or wire stripper
4. Tape measure
1-2. Accessories Supplied with Unit
Table 1
Parts
Figure
Reducer
(ø9.52
ø12.70)
Labels for inter-unit
A B C D
cable and tube
1-3. Optional Copper Tubing Kit
Copper tubing for connecting the outdoor unit to the
indoor unit is available in kits which contain the narrow
and wide tubing, fittings and insulation. Consult your
nearest sales outlet or air conditioning workshop.
1-4. 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 as detailed in Table 2.
Cut each tube to the appropriate lengths +30 cm
to 40 cm to dampen vibration between units.
Table 2
Model
Outer Dia.
KMRV74/76
6.35 mm
KMRV94/96
6.35 mm
KMRV124/126
6.35 mm
KRV184/186
6.35 mm
KRV244/246
6.35 mm
KRV96/126
6.35 mm
Q'ty
Parts
CMRV1926
Reducer
1
(ø12.70
ø9.52)
CMRV1936
4 each
Cushion rubber
Narrow Tube
Thickness
Outer Dia.
0.8 mm
0.8 mm
0.8 mm
0.8 mm
0.8 mm
0.8 mm
5. Carpenter's level
6. Sabre saw or key hole 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)
16. Vacuum pump (For R410A)
17. Manifold valve
Figure
Q'ty
1
CMRV2446
2
CMRV3146
4
2.
Foamed polyethylene insulation for the specified
copper tubes as required to precise length of tub-
ing. 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 5. Wiring Instructions for details.
CAUTION
Wide Tube
Thickness
9.52 mm
0.8 mm
9.52 mm
0.8 mm
9.52 mm
0.8 mm
12.70 mm
0.8 mm
15.88 mm
1.0 mm
9.52 mm
0.8 mm
3
Parts
Figure
Q'ty
Drain elbow
Drain cap
Packed in the outdoor unit.
Check local electrical codes
and regulations before
obtaining wire. Also, check
any specified instructions or
limitations.
1
5
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