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5 Preparation
Installer and user reference guide
9
FCAHG71~140HVEB
Split system air conditioners
4P561449-1A – 2019.09
4.2.1
Identification label: Indoor unit
Location
4.3
About the indoor unit
Use the system in the following temperature and humidity ranges for
safe and effective operation.
In combination with R410A outdoor units
Outdoor units
Cooling
Heating
RZQG71~140
Outdoor
temperature
–15~50°C DB
–20~15.5°C WB
Indoor
temperature
12~28°C WB
10~27°C DB
RZQSG71~140
Outdoor
temperature
–15~46°C DB
–15~15.5°C WB
Indoor
temperature
14~28°C WB
10~27°C DB
Indoor humidity
≤80%
(a)
In combination with R32 outdoor units
Cooling
Heating
Outdoor temperature
–20~52°C DB
–20~24°C DB
–20~18°C WB
Indoor temperature
17~38°C DB
12~28°C WB
10~27°C DB
Indoor humidity
≤80%
(a)
(a)
To avoid condensation and water dripping out of the unit. If
the temperature or the humidity is beyond these conditions,
safety devices may be put in action and the air conditioner
may not operate.
4.4
System layout
NOTICE
Design of the system must not be done at temperatures
below –15°C.
a
b
c
d
e
i
f
g
h
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
i
Suction grille and air filter
4.5
Combining units and options
4.5.1
Possible options for the indoor unit
Make sure you have the following mandatory options:
▪ User interface: Wired or wireless
▪ Decoration panel: Standard, self-cleaning or design
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
Do NOT install the unit in places often used as work place. In case
of construction works (e.g. grinding works) where a lot of dust is
created, the unit MUST be covered.
Choose an installation location with sufficient space for carrying the
unit in and out of the site.
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
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