FDYP125~2 FDQ125~250B8V3B
Split System air conditioners
4PW23694-1A
Installation manual
2
2.
Use suspension bolts for installation. Check whether the ceiling
is strong enough to support the weigth of the unit or not. If there
is a risk, reinforce the ceiling before installing the unit.
3.
Install this unit where the bottom panel is more than 2.5 m above
the floor so that the user cannot easily touch the unit.
C
HECK
LIST
For the following items, take special care during construction and
check after installation is finished.
P
REPARATIONS
BEFORE
INSTALLATION
1.
Suspension bolt position (Refer to
2.
The fan speed for this indoor unit is preset to provide standard
external static pressure.
■
If higher or lower external static pressure is required, reset
the external static pressure by changing the initial setting on
the terminal in the indoor switchbox. Refer to the section
entitled
3.
Install the suspension bolts (Refer to
).
Use M10 size bolt for the suspension bolt. Use anchors for
existing ceilings, and a sunken insert, sunken anchor or other
field supplied parts for new ceilings to reinforce the ceiling to
bear the weight of the unit.
Installation example
■
Do not use the air conditioner for other purposes.
In order to avoid any quality deterioration, do not use
the unit for cooling precision instruments, food, plants
animals or works of art.
■
Do not place appliances which produce open fire in
places exposed to the air flow from the unit or under
the indoor unit.
It may cause incomplete combustion or deformation of
the unit due to the heat.
Tick
✓
when
checked
■
Is the indoor unit fixed firmly?
The unit may fall down, vibrate or make noise.
■
Is the gas leak test finished?
It may result in insufficient cooling.
■
Is the unit fully insulated?
Condensate water may drip.
■
Does drainage flow smoothly?
Condensate water may drip.
■
Does the power supply voltage correspond to that shown on the
name plate?
The unit may malfunction or components may burn out.
■
Are wiring and piping correct?
The unit may malfunction or components may burn out.
■
Is the unit safely grounded?
Danger of electric leakage.
■
Is the wiring size in accordance with specifications?
The unit may malfunction or components may burn out.
■
Is nothing blocking the air outlet or inlet of either the indoor or
outdoor units?
It may result in insufficient cooling.
■
Are refrigerant piping length and additional refrigerant charge
noted down?
The refrigerant charge in the system might not be clear.
This to avoid confusion for future maintenance and serving of
the installation.
■
Are the air filters fixed properly (when installing with rear duct)?
Maintenance of the air filters can be impossible.
NOTE
When connecting the air conditioning unit to the
ducting, a pressure drop will be created and the
evaporator airflow will be reduced. The maximum
external static pressure may not exceed the following
values:
1
Ceiling slab
2
Anchor
3
Long nut or turn-buckle
4
Suspension bolt
5
Indoor unit
Note:
Mentioned parts are field supplied
Max. ESP
FDYP125
150 Pa
250
250 Pa
FDQ125
150 Pa
250
250 Pa
5
2
3
4
1