Daikin FXS80LVE [35/54] Precautions for drain raising piping
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Daikin FXS80LVE [35/54] Precautions for drain raising piping

Daikin FXS20LVE [35/54] Precautions for drain raising piping
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Drain Piping
Rig the drain pipe as shown below and take measures against condensation. Improperly rigged piping could lead to
leaks and eventually wet furniture and belongings.
(1) Rig drain piping
• The diameter of the drain pipe should be greater than or equal to the diameter of the connecting
pipe (vinyl tube; pipe size: 25 mm; outer dimension: 32 mm).
• Keep the drain pipe short and sloping downwards at a gradient of at least 1/100 to prevent air pockets from
forming.
• If the drain hose cannot be sufficiently set on a slope, execute the drain raising piping.
• To keep the drain hose from sagging, space hanging wires every 1 to 1.5 m.
CAUTION
Setting the unit at an angle opposite to the drain piping might cause leaks.
• Use the attached drain hose and clamp metal. Tighten the clamp firmly. Insert the drain hose into
the drain socket, up to the white tape. Tighten the clamp until the screw head is less than 4 mm from
the hose.
• Wrap the attached sealing pad over the clamp and drain hose to insulate.
• Insulate the drain hose inside the building.
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〈 〈
〈 PRECAUTIONS FOR DRAIN RAISING PIPING 〉
〉〉
〉
〈
〈 〈
〈 HOW TO INSTALL PIPING 〉
〉〉
〉
(1) Connect the drain hose to the drain raising pipes, and insulate them.
(2) Connect the drain hose to the drain outlet on the indoor unit, and tighten it with the clamp.
(3) Insulate both metal clamp and drain hose with the attached sealing pad.
• If converging multiple drain pipes, install according to the procedure shown below.
Select converging drain pipes whose gauge is suitable for the operating capacity of the unit.
A
When canvas duct is
installed
350 – 530
When air inlet panel is directly
installed
275
No Good Good
≤4mm
Large sealing pad
Clamp metal
(attached)
(attached)
Clamp metal
Drain hose
Tape (White)
A
Drain raising pipe
Clamp (Attached with unit)
Drain hose (Attached with unit)
Ceiling slab
300 or
less
Hanging bar
Adjustable range
(0 – 250mm)
Part to be procured
in the field
1 – 1.5m
T-joint converging drain pipes
≥100mm
3P086156-3A-9

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