35
English
Installation manual
• Refrigerant pipe after EEV kit and MCU
– Install the gas side and liquid side pipes, leave
10mm of space.
– When contacting the gas side and liquid side
pipe, use 1 grade thicker insulator.
Installing the drain hose and drain
pipe
1 Push the supplied drain hose as far as possible over the
drain socket.
2 Tighten the metal clamp as shown in the picture.
3 Wrap the supplied large sealing pad over the metal
clamp and drain hose to insulate and fix it with clamps.
4 Insulate the complete drain piping inside the building
(field supply).
If the drain hose cannot be sufficiently set on a slope, fit
the hose with drain raising piping (field supply).
5 Push the drain hose up to insulation when connecting
the drain hose to drain socket.
Metal clamp
Drain socket
Drain hose
Be sure to bond the drain
hose and the main pipe.
Drain pipe
Large seailng pad
Drain hose
PVC Tube Joint
+ VP25 (OD: 32 mm, ID: 25 mm)
Drain pipe
Drainpipe Connection without the drain pump
1 Install horizontal drainpipe with a slope of 1/100 or more
and fix it by hanger space of 1.0~1.5m.
2 Install U-trap at the end of the drainpipe to prevent a nasty
smell to reach the indoor unit.
3 Do not install the drainpipe to upward position. It may cause
water flow back to the unit.
1~1.5m
Horizontal drainpipe
more than 1/100 slope
Ceiling
Hanger
Flexible hose
Drainpipe Connection with the drain pump
1 The drain pipe should be installed within 300mm to 550mm
from the flexible hose and then lift down 20mm or more.
2 Install horizontal drainpipe with a slope of 1/100 or more
and fix it by hanger space of 1.0~1.5m.
3 Install the air vent in the horizontal drainpipe to prevent
water flow back to the indoor unit.
NOTE
• You may not need to install it if there were proper
slope in the horizontal drainpipe.
4 The flexible hose should not be installed upward position, it
may cause water flow back to the indoor unit.
1~1.5m
20mm
or more
200mm
or more
Hanger
Within
300~550mm
Air vent
300mm or less
Flexible hose
Horizontal drainpipe
more than 1/100 slope
Ceiling
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