Table of Contents
Installation
Ceiling Mounted
Drain Pump Kit
Cassette Type
(FXFQ-M Multi-
FXFQ-M
flow)
Drain Piping Work
(1) Carry out the drain piping
! Lay pipes so as to ensure that drainage can occur with no problems.
! Employ a pipe with either the same diameter or with the diameter larger (excluding the
! Keep the drain pipe short and sloping downwards at a gradient of at least 1/100 to prevent
! 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.
! Use the attached drain hose (1) and clamp (2).
! Insert the drain hose into the drain socket up to the base, and tighten the clamp securely
! Wrap the attached sealing pad (10) over the clamp and drain hose to insulate.
! Make sure that heat insulation work is executed on the following 2 spots to prevent any
52
Indoor unit
Standard (Equipped with indoor unit)
raising section) than that of the connecting pipe (PVC pipe, nominal diameter 25 mm,
outside diameter 32 mm).
air pockets from forming.
Hanger bracket
GOOD
Fig. 18
within the portion of a white tape of the hose-inserted tip. Tighten the clamp until the screw
head is less than 4 mm from the hose.
possible water leakage due to dew condensation.
• Indoor drain pipe
• Drain socket
Tape
Drain pump kit
1–1.5 m
WRONG
1/100 gradient
or more
Metal clamp (2)
Metal clamp (2)
(accessory)
Drain hose (1)
Fig. 21
Fig. 20
SiEN34-705
Fig. 19
Large sealing
pad (10)
(accessory)
≥
4 mm
3PA60996-14Y
General Information
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