-
-
'15 • SRK-T-172
– 34 –
Installation of outdoor unit
①
Make sure that the unit is stable in installation.
Fix the unit to stable base.
②
Perform wiring, making wire terminal numbers
conform to terminal numbers of indoor unit
terminal block.
Connection of refrigerant pipings
Preparation
Keep the openings of the pipes covered with tapes etc. to prevent dust, sand, etc. from entering them.
v
Remove the flared nuts.
(on both liquid and gas sides)
Flaring work
v
v
Remove the flared nuts.
(on both liquid and gas sides)
v
Install the removed flared nuts to the
pipes to be connected, then flare the pipes.
CAUTION
Do not apply
v
refrigerating machine
oil to the flared
surface.
A
90
±
0.5°
r
o
o
d
t
u
O
r
o
o
d
n
I
(Do not turn)
Measur ement B
Copper pipe
Flaring block
Remove
Remove
Press
Press
Dimension A
Liquid side : ø6.35: 9.1
Gas side ø9.52: 13.2
ø12.7: 16.6
ø15.88: 19.7
Copper pipe
diameter
Measurement B (mm)
Use a flare tool designed for R410A or a
conventional flare tool. Please note that
measurement B (protrusion from the flaring block)
will vary depending on the type of a flare tool in
use. If a conventional flare tool is used, please
use a copper pipe gauge or a similar instrument
to check protrusion so that you can keep
measurement B to a correct value.
Clutch type flare
tool for R410A
Conventional (R22) flare tool
Clutch type
Wing nut type
F
6.35
0.0~0.5
1.0~1.5
1.5~2.0
F
9.52
0.0~0.5
1.0~1.5
1.5~2.0
F
12.7
0.0~0.5
1.0~1.5
2.0~2.5
F
15.88
0.0~0.5
1.0~1.5
2.0~2.5
(Unit : mm)
Connect the pipes on both liquid and gas sides.
Tighten the nuts to the following torque.
N
·
m
(kgf
·
m)
Liquid side
(
F
6.35)
14.0 ~ 18.0
(1.4~1.8)
Gas side
(
F
9.52)
34.0 ~ 42.0
(3.4~4.2)
(
F
12.7)
49.0 ~ 61.0
(4.9~6.1)
F
15.88)
68.0 ~ 82.0
(6.8~8.2)
CAUTION
Do not apply excess torque to the flared nuts.
v
Otherwise, the flared nuts may crack
depending on the conditions and refrigerant
leak may occur.
Indoor
Outdoor
Liquid side
Gas side
(Do not turn)
Liquid side
Gas side
Connection of refrigerant
piping
1 2
Terminal block
Interconnecting wire
RMA012A086_EN.indb 34
17/11/2014 15:17:38
Terminal and power cable
on the indoor unit
Brown
Power source
Blue
Yellow/Green
L
N
1 2
〜
Terminal on the outdoor unit
1 2
connecting diagram
All manuals and user guides at all-guides.com
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