3
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 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
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
1-2. Accessories Supplied with Unit
Table 1
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 l30 cm
to 40 cm to dampen vibration between units.
Model
Narrow Tube
Wide Tube
Outer Dia.
Thickness
Outer Dia.
Thickness
MCAF78
6.35 mm
0.8 mm
9.52 mm
0.8 mm
MCAF98
6.35 mm
0.8 mm
9.52 mm
0.8 mm
MCAF128
6.35 mm
0.8 mm
9.52 mm
0.8 mm
MCAF188
6.35 mm
0.8 mm
12.70 mm
0.8 mm
MCAF248
6.35 mm
0.8 mm
15.88 mm
1.0 mm
Label
s
for i
n
ter-
un
it
cable a
n
d t
u
be
C
us
hio
n
r
u
bber
4
Drai
n
cap
Packed i
n
the o
u
tdoor
un
it.
1
GRF19
8
1
GRF24
8
2
4
each
5
4
GRF
3
1
8
GRF19
8
/24
8
/
3
1
8
GRF14
8
1
Drai
n
elbow
Part
s
Fi
g
ure
Q’ty
Part
s
Fi
g
ure
Q’ty
Red
u
cer
(ø9.52
ø12.70)
Red
u
cer
(ø12.70
ø9.52)
A B C D
Table 2
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
Check local electrical codes
and regulations before
obtaining wire. Also, check
any specified instructions or
limitations.
07-338 GRF318MR5I_OU ENG 11/7/07 4:53 PM Page 3
Содержание GRF148MR5I
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