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4.3 How to perform piping
5
1
Ceiling slab
2
Hanger bracket
3
Adjustable range
4
Drain raising pipe
5
Drain hose
6
Metal clamp
- Connect the drain hose to the drain raising pipes, and
insulate them.
- Connect the drain hose to the drain outlet on the indoor unit,
and tighten it with the clamp.
Precautions
-
Install the drain raising pipes at a height of less than
20.9 in
/
530 mm.
-
Install the drain raising pipes at a right angle to the indoor
unit and no more than
-
To prevent air bubbles, install the drain hose level or slightly
tilted up (<
3 in
/
75 mm
-
The incline of drain hose should be
that the drain socket does not have to withstand additional force.
-
To ensure a downward slope of 1:100, install hanging
bars every
3.3ft
1m
/
-
When unifying multiple drain pipes, install the pipes as
shown in figure below. Select converging drain pipes whose
gauge is suitable for the operating capacity of the unit.
1
T-joint converging drain pipes
Drain piping connections
Do not connect the drain piping directly to sewage
pipes that smell of ammonia. The ammonia in the
sewage might enter the indoor unit through the drain
pipes and corrode the heat exchanger.
Keep in mind that it will become the cause of
drain pipe block
1~1.5m
300/11.8in
3~5ft
6 5
4
Unit: mm
11.8 in
/
300 mm
from the unit.
).
3 in
/
75 mm
or less so
to
4.9ft
/
1.5 m.
1
1
age
if water collects
in the
4.4 Testing of drain piping
After the piping work is finished, check if drainage flows smoothy.
1
Add approximately 1L of water gradually through the air discharge
2
outlet.
Method of adding water (see the figure below)
3
1
2
When
COOL running, explained in "Test operation" on page 16.
5
ELECTRIC WIRING WORK
General instructions
All field wiring and components must be installed by a licensed
electrician and must comply with relevant
regulations.
Use copper wire only.
Follow the 'Wiring diagram' attached to the unit body to wire the
outdoor unit, indoor units and the remote controller.
A circuit breaker capable of shutting down power supply to the
entire system must be installed.
Note that the operation will restart automatically if the main
power supply is turned off and then turned back on again.
Be sure to ground the air conditioner.
Do not connect the ground wire to gas pipes, water pipes,
lightning rods, or telephone ground wires.
-
Gas pipes: might cause explosions or fire if gas leaks.
-
Water pipes: no grounding effect if hard vinyl piping is used.
-
Telephone ground wires or lightning rods: might cause
abnormally highelectric potential in the ground during
lightning storms .
Unit: mm
The specification of power
Model
9K~18K
drain pipe.
15
1
2
Plastic watering can(tube should be about
Water-receiver
electric
wiring work is finished, check drainage flow during
Power
Frequency and volt
Phase
1Phase
208-2
30V
4.2in
/
106
3in
/
75
2.6in
/
65
Fresh air intake (
2.6in
/
65
)
Unit:
in/mm
3.9in
/
100 mm
long)
Circuit breaker/Fuse(A)
20/16
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