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Step - 3.3
3.3
Connect the wiring for both the power source and indoor
wiring.
Wire the system according to applicable national / local
codes.
Verify that the wiring connections for the indoor unit match
wire for wire.
(1-1, 2-2, 3-3, Gnd-Gnd). Failure to wire the system correctly
may lead to improper operation or component damage.
Step - 3.4
3.4
Replace the cover plate.
*See Steps 2.11 - 2.13 & 3.2 - 3.4 for connecting the
electrical.
The standard lineset length is 25ft. If the installation length is
12K, 18K, and
.5 oz/ft. for the 24K model. (Illustration 4)
outdoor unit valves.
chart.
4.1
Step - 4.1
Refrigerant piping connections for the mini-split system are
use caution to prevent dirt or debris from entering the tubing.
Remember to place the nut on the pipe before creating the
Step - 4.2
4.2
To join the lineset piping together, directly align the piping
connection.
Step - 4.3
2.17
standard wrench, and one torque wrench. See Table 1 for the
Step 4 - Interconnecting the Indoor and Outdoor Units
Piping
Step 3.3
CAUTION
Outdoor unit
Outdoor unit
Step 4.1
Half union
Spanner
Torque wrench
Step 4.3
INSTALLATION
Step 3.4
Outdoor unit
Indoor unit
B
B
A
A
●
Max. Elevation: A Max
= 33ft / 10m (09k / 12k)
= 50ft / 15m (18k / 24k)
●
In case the height of A is more than
15ft / 5m, an oil trap should be
Oil trap
B
installed every 16-23ft /5-7m
Indoor unit
●
Max. Length: B Max
A
= 50ft / 15m (09k / 12k)
= 83ft / 25m (18k / 24k)
Illustration 4
Step 4.2
Forced fastening without careful centering may
Flare nut
damage the threads and cause a leakage of gas.
Pipe Diameter(ǿ)
Liquid side6.35mm(1/4")
18N.m/13.3Ft.lbs
Liquid/Gas side9.52mm(3/8") 42 N.m/30.1Ft.lbs
Gas side 12.7mm(1/2")
55N.m/40.6Ft.lbs
Gas side 15.88mm(5/8")
60 N.m/44.3Ft.lbs
Table 1
Indoor unit
Fastening torque
PAGE 5
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