Pipe diameter
Torque (N m)
Fig.5.3 Tightening Work of Flare Nut
Thermal Insulation pipe
on-site configuration
Fig. 5.4 Insulation on pipes
6. Drain Piping
Fig. 6.1 0.8~1.5 Direction of Drain Piping
12
Fig. 5.6
20
60
80
¶
¶
¶
Unit Spacer
Approx.150mm
Stopper
Plate for Pipe
.
(3) When tightening the flare nut, use two
spanners as shown in Fig. 5.3
(4) Insulate the refrigerant pipes as shown in
Fig. 5.4.
(5) Evacuation and refrigerant charging procedures
should be performed according to “Installation &
Maintenance Manual ” of the outdoor unit.
(6) When connecting the pipes, use the unit
spacer (factory-supplied) as shown in Fig. 5.5.
Fig. 5.5 Using the Unit Spacer
(7) Fix the plate of pipes (factory-supplied) as
shown in Fig. 5.6.
(1) The standard direction of drain piping connection
is right side as viewed from the discharge grilles.
However, it can be performed from the left side or rear
side.
(3) For 0.8~1.5, when the left side drain piping
conection is performed, remove the cap of left side
drain pipe, and then attach this cap to the right side
drain pipe in order to change drain piping connection
from right side to left side.
115
560
45
Contour of the Unit
Drain Pipe
Connection
for Vinyl Pipe
(VP16)
65 Hole for
Rear Side Connection for
Wiring and Piping
Fig. 6.2 1.8~2.3 Direction of Drain Piping
20
55
450
Contour of the Unit
Drain Pipe
Connection
for Vinyl Pipe
(VP16)
65 Hole for
Rear Side Connection for
Wiring and Piping
(2) The standard direction of drain piping connection
is left side as viewed from the discharge grilles.
However, it can be performed from the right side or rear
side.
For 1.8~2.3, when the right side drain piping
conection is performed, remove the cap of right side
drain pipe, and then attach this cap to the left side
drain pipe in order to change drain piping connection
from left side to right side.
An excess or a shortage of
main cause of
Charge the
refrigerant is the
correct refrigerant quantity.
trouble to the units.
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