4 About the units and options
Installer and user reference guide
8
FDA125A5VEB
Split system air conditioners
4P495031-1A – 2019.03
3.2.2
To remove the accessories from the
indoor unit
16×
8×
1×
1×
3×
1×
1×
1×
1×
d
c
b
a
e
f
g
h
i
j
2×
a
Installation manual and operation manual
b
General safety precautions
c
Washers for hanger bracket
d
Screws for duct flanges
e
Metal clamp
f
Sealing pads: Large (drain pipe), medium 1 (gas pipe),
medium 2 (liquid pipe)
g
Drain hose
h
Insulation piece: Small (liquid pipe)
i
Insulation piece: Large (gas pipe)
l
Wire for common power supply
4
About the units and options
4.1
Overview: About the units and
options
This chapter contains information about:
▪ Combining outdoor and indoor units
▪ Combining the indoor unit with options
WARNING
NEVER use a flammable spray such as hair spray, lacquer
or paint near the unit. It may cause a fire.
4.2
System layout
b
f
a
h
c
d
e
g
a
Indoor unit
b
Outdoor unit
c
User interface
d
Suction air
e
Discharge air
f
Refrigerant interconnection cable
g
Drain pipe
h
Earth wiring
4.3
Combining units and options
4.3.1
Possible options for the indoor unit
Make sure you have the following mandatory options:
▪ User interface: Wired or wireless
▪ Air inlet panel and canvas connection for the air inlet panel (in
case of bottom suction).
5
Preparation
5.1
Overview: Preparation
This chapter describes what you have to do and know before going
on-site.
It contains information about:
▪ Preparing the installation site
▪ Preparing the refrigerant piping
▪ Preparing the electrical wiring
5.2
Preparing the installation site
▪ Provide sufficient space around the unit for servicing and air
circulation.
▪ Choose the installation location with sufficient space for carrying
the unit in and out of the site.
WARNING
Do NOT install the air conditioner at any place where
flammable gas may leak out. If the gas leaks out and stays
around the air conditioner, a fire may break out.
5.2.1
Installation site requirements of the
indoor unit
INFORMATION
Also read the following requirements:
▪ General installation site requirements. See the
"General safety precautions" chapter.
▪ Refrigerant
piping
requirements
(length,
height
difference). See further in this "Preparation" chapter.
INFORMATION
The sound pressure level is less than 70 dBA.
NOTICE
The equipment described in this manual may cause
electronic noise generated from radio-frequency energy.
The equipment complies to specifications that are
designed to provide reasonable protection against such
interference. However, there is no guarantee that
interference will not occur in a particular installation.
It is therefore recommended to install the equipment and
electric wires keeping proper distances away from stereo
equipment, personal computers, etc.
