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3. OUTDOOR UNIT INSTALLATION
3-1. CONNECTING WIRES FOR OUTDOOR UNIT
2) Loosen terminal screw, and connect indoor/outdoor unit connecting wire (A) from the
5)
15 mm
35 mm
Lead wire
<LN25, 35>
Indoor/outdoor
unit connect-
ing wire (A)
Power supply
cord (K)
<LN50>
Cord clamp
• Be sure to attach each screw to its correspondent terminal when securing the cord
3-2. FLARING WORK
• Put the end of the copper pipe to downward direction
5) Check
Copper pipe
Burr
Spare reamer
Pipe cutter
Copper pipe
Die
Flare nut
Power supply cord (K)
<LN50HZ, 60>
Cord clamp
Indoor/outdoor
unit connecting
wire (A)
Power supply cord (K)
Good
Tilted Uneven Burred
-
Flaring tool
Clutch type
Inside is shin-
Smooth all
ing without any
around
Even length
all around
Pipe diameter
(mm)
3-3. PIPE CONNECTION
Indoor unit connection
Outdoor unit connection
Connect pipes to stop valve pipe joint of the outdoor unit in the
• For tightening, use a torque wrench or spanner and use the
When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
3-4. INSULATION AND TAPING
Copper
ture and humidity are high, wind additional commercially sold insulation to prevent
pipe
No good
Wing nut type
A (mm)
Clutch
Nut
Clutch type
type tool
(mm)
tool for
type tool for
for R32,
R22
R410A
17
22
26
29
WARNING
WARNING
Tightening torque
Wing nut
N•m
kgf•cm
R22
350 to 420
500 to 575
-
-
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