Daikin FCAHG140FVEB [8/36] System layout
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Daikin FCAHG140FVEB [8/36] System layout

Daikin FCAHG140FVEB [8/36] System layout
5 Preparation
Installer and user reference guide
8
FCAHG71~140FVEB
Split system air conditioners
4P429475-1 – 2015.12
(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.
f
g
b
h
i
a
d
e
c
a Indoor unit
b Outdoor unit
c User interface
d Suction air
e Discharge air
f Refrigerant piping + 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 or self-cleaning
4.5.2 Possible combinations of indoor unit and
outdoor unit
Indoor unit Outdoor unit
RZAG71 RZAG100 RZAG125 RZAG140
FCAHG71 O — — —
FCAHG100 — O — —
FCAHG125 — — O —
FCAHG140 — — — O
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 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 the installation location with sufficient place for carrying the
unit in and out of the site.
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.
CAUTION
Appliance not accessible to the general public, install it in a
secured area, protected from easy access.
This unit, both indoor and outdoor, is suitable for
installation in a commercial and light industrial
environment.
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.
b
a
c
df e
(mm)
≥
1500
≥
1500
≥
1000
≥
1000
a Earth leakage protector
b Fuse
c Outdoor unit
d Indoor unit
e User interface
f Personal computer or radio
In places with weak reception, keep distances of 3 m or more to
avoid electromagnetic disturbance of other equipment and use
conduit tubes for power and transmission lines.
▪ Fluorescent lights. When installing a wireless user interface in a
room with fluorescent lights, mind the following to avoid
interference:
▪ Install the wireless user interface as close as possible to the
indoor unit.
▪ Install the indoor unit as far as possible from the fluorescent
lights.

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