Rinnai 23 Multi Split Type AC
INDOOR INSTALLATION
Rinnai 19 Multi Split Type Air Conditioner
NOTE : DRAINPIPE INSTALLATION
The drainpipe is used to drain water from the unit.
Improper installation may cause unit and property
damage.
CAUTION
NOTE ON PURCHASING PIPES
This installation requires a polyethylene tube
(outside diameter = 3.7-3.9cm, inside diameter
= 3.2cm), which can be obtained at your local
hardware store or fr om your dealer.
•
When using an extended drainpipe, tighten
the
indoor connection with an additional
protection tube to pr
event it from pulling
loose.
• The drainpipe should slope downward at a
gradient of at least 1/100 to prevent water
from flowing back into the air conditioner.
• To prevent the pipe f rom sagging, space
hanging wires every 1-1.5m.
• If the outlet of the drainpipe is higher than
the body’s pump joint, p
rovide a lift pipe for
the exhaust outlet of the indoor unit. The lift
pipe must be installed no higher than
75cm
from the ceiling board and distan c
e between
the unit and the lift pipe must be less t
han
30cm. Incorrect installation cou
ld cause
water to flow back into the unit and flood.
• To p revent air bubbles, keep the drain hose
level or slightly tilted up (<75mm).
See Figure below.
Ceiling
Indoor Drainpipe Installation
Install the drainpipe as shown in Figure below.
Downward slope
1 - 1.5m
1/100
1-1.5m
22cm
Downward slope
1/100
0 - 75mm
NOTE: When connecting multiple drainpipes,
install the pipes as shown in Figure below .
Drain hose
0-53cm
(with pump)
≥10cm
Drainpipe
Metal clamp
connecting port
Insulation
(no pump)
≤30cm
≤53cm
≤75cm
1.
Cover the drainpipe with heat insulation to
prevent condensation and leakage .
2.
Attach the mouth of the drain hose to the
unit’s outlet pipe. Sheath the mouth of the
with a pipe clasp.
(See Figure below)
Insulate all piping to p
revent condensation,
which could lead to water damage .
• If the drainpipe is bent or installed
incorrectly, water
may leak and cause a
malfunction of the water- level switch.
• In HEA T mode, the outdoor unit will
discharge water. Ensur
e that the drain hose
is placed in an appropriate ar
ea to avoid
water damage & slippage due to fr
ozen
drain water.
• DO NOT pull the drainpipe for cefully as this
could cause it to disconnect.
Rinnai 20 Multi Split Type Air Conditioner
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drawnwo d th gi l s a ta d e l l i rd s i e lo h eht taht erus
r ewo l s i e l oh eh t f o dne r ood t uo eh t t ah t os , e l gna
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proper water drainage . Place the protective wall
ects the edges of the hole
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process.
.4
NOT E
When drilling the wall hole, make sure to avoid wires,
plumbing, and other sensitive components.
NOT E
1 .
Remove the test cover, and pour about 2000ml water to
. n a p r e t aw e h t
2.
3.
INSTALLATION INSTRUCTIONS
Operate the air conditioner in “COOLING” mode. The sound
of the drain pump shall be heard. Check whether the water
is discharged well (1 minute lag is possible, according to the
length of the drain pipe), and check whether the water leaks
from the joints.
Power off the air conditioner and recover the cap.
The drain pipe outlet should be at least 5cm above the
ground. If it touches the ground, the unit may become
blocked and malfunction. If you discharge the water
directly into a sewer, make sure that the drawn has a U
or S pipe to catch odours that might otherwise come back
into the house.
Pass the drain hose through the wall hole. Make sure the
water drains to a safe location where it will not cause water
damage or a slipping hazard.
Indoor Drain Pipe Installation (continued)
Drainage Test
Check whether the drain pipe is unhindered.
New built house should have this test done before lining
the ceiling.
Remove the test cap, and pour about 2 litres of
water into the condensate pan.
2. Operate the air conditioner in “COOLING mode.
Conrm the condensate pump turns on and begins
to remove the 2 litres of water. This should take
appropriately one minute. Check for leaks during
this period.
3. Power o the air conditioner and replace the cap.
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