System Layout; Preparation; Preparing Installation Site; Installation Site Requirements Of The Indoor Unit - Daikin FFA25A2VEB Installation And Operation Manual

Outdoor units
RXM25~60 Outdoor
temperature
Indoor
temperature
2MXM50 Outdoor
temperature
3MXM40~68
Indoor
4MXM68~80
temperature
5MXM90
RZAG71~140 Outdoor
temperature
Indoor
temperature
RZASG71~140 Outdoor
temperature
Indoor
temperature
Indoor humidity
(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.
3.2

System layout

a
f
g
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
FFA25~60A2VEB
Split system air conditioners
4P456960-1 – 2017.03
Cooling Heating
–10~46°C DB –15~24°C DB
–16~18°C WB
18~32°C DB 10~30°C DB
–10~46°C DB –15~24°C DB
–16~18°C WB
18~32°C DB 10~30°C DB
–20~52°C DB –19.5~21°C DB
–20~15.5°C WB
18~37°C DB 10~27°C DB
12~28°C WB
–15~46°C DB –14~21°C DB
–15~15.5°C WB
20~37°C DB 10~27°C DB
14~28°C WB
(a)
≤80%
i
e
d
b
h
4

Preparation

4.1

Preparing installation site

4.1.1 Installation site requirements of the
indoor unit
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
environment.
▪ Spacing. Mind the following requirements:
a
A
≥1500 ≥1500
≥2000
A Minimum distance to the wall
B Minimum and maximum distance to the floor (see below)
C ≥295 mm: In case of installation with BYFQ60B
≥300 mm: In case of installation with BYFQ60C
a Indoor unit
b Lighting (the figure shows ceiling-mounted lighting, but
recessed lighting is also allowed)
c Air fan
d Static volume (example: table)
▪ Minimum and maximum distance to the floor:
▪ Minimum: 2.5 m to avoid accidental touching.
▪ Maximum: Depends on the air flow directions and the capacity
class. Also make sure the "Ceiling height" field setting
corresponds with the actual situation. See Field settings.
5 Installation
5.1

Mounting the indoor unit

5.1.1 Precautions when mounting the indoor
unit
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
5.1.2

Guidelines when installing the indoor unit

INFORMATION
Optional equipment. When installing optional equipment,
also read the installation manual of the optional equipment.
Depending on the field conditions, it might be easier to
install the optional equipment first.
4 Preparation
and light industrial
b c a d
≥4000
(mm)
Installation and operation manual
5