Fujitsu UTZ-PX1NBA Посібник з монтажу - Сторінка 4
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2. Leveling
• Install the indoor unit and drain pump unit within the accept-
able gradient range. Otherwise, the safety device will not work
properly and leakage may occur.
• Never tilt the drain pump unit to the opposite side as it will
result in leakage.
• Base horizontal direction leveling on top of the unit.
Level meter
GOOD
GOOD
6. DRAINAGE CONSTRUCTION
1. Installing hose
• The maximum vertical installation length is 1 m (40 in.).
• The hose can be installed when it is bent.
Set the bend radius of the hose to be 60 mm (2-3/8 in.) or more.
Bend radius is 60 mm (2-3/8 in.) or more
• Install the hose with downward gradient of 1/50 to 1/100 when it
is placed horizontally.
Downward
En-4
CAUTION
Ceiling
PROHIBITED
Level meter
PROHIBITED
Vertical
Bend radius is 60 mm
(2-3/8 in.) or more
Horizontal
Downward gradient of
1/50 to 1/100
Part : Hose
Example of Wrong Construction
Do not install the pipe's connection part upward. Remaining
drain water in the pipe may cause leakage.
Upward
• Adjust the hose so that there are no traps or vertical loops in
the hose.
PROHIBITED
Trap
• Do not modify the genuine parts. Otherwise leakage may occur.
• Sharp bends may result in cracked hose or poor drainage.
• When the insulation of the hose has come off during operation,
insert into the insulation of the drain pump unit.
B Insulation
• Attach the insulation (hose) on the hose root.
2. Installing pipe
• Install the drain hose with downward gradient (1/50 to 1/100)
and so there are no rises or traps in the pipe.
• Use general hard polyvinyl chloride pipe (VP25) [outside
diameter 32 mm (1-1/4 in.)] and connect it with adhesive
(polyvinyl chloride) so that there is no leakage.
• When the pipe is long, Install supporters.
• Do not perform air bleeding.
• Always heat insulate the indoor side of the drain pipe.
CAUTION
PROHIBITED
PROHIBITED
Vertical loop
PROHIBITED
(hose)
Insert
here