General; Tools Required For Installation (Not Supplied); Accessories Supplied With Unit; Optional Copper Tubing Kit - Technibel GRF148MR5I Technical & Service Manual

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 system before beginning. If the electric wiring dia-
gram 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
Reducer
(ø9.52 ø12.70)
Drain elbow
Cushion rubber

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 Conditioner 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.
MCAF78 6.35 mm
MCAF98 6.35 mm
MCAF128 6.35 mm
MCAF188 6.35 mm
MCAF248 6.35 mm
Figure
GRF198
Narrow Tube
Thickness Outer Dia.
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
Q'ty Parts
Reducer
1
(ø12.70 ø9.52)
Labels for inter-unit
1
cable and tube
4 Drain cap
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
3
Figure
GRF248
GRF318
A B C D
GRF198/248/318
GRF148
Packed in the outdoor unit.
Check local electrical codes
and regulations before
obtaining wire. Also, check
any specified instructions or
limitations.
Q'ty
1
2
4
each
5
4