For The User; 12 About The System; System Layout; User Interface - Daikin FCAHG71FVEB Installer And User Reference Manual

For the user

12 About the system
The indoor unit of this split system air conditioner can be used for
heating/cooling applications.
NOTICE
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.
NOTICE
For future modifications or expansions of your system:
A full overview of allowable combinations (for future
system extensions) is available in technical engineering
data and should be consulted. Contact your installer to
receive more information and professional advice.
12.1

System layout

f g
a
i
e
d
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
13 User interface
CAUTION
Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are
dangerous to touch and appliance problems may happen.
For checking and adjusting the internal parts, contact your
dealer.
This operation manual will give a non-exhaustive overview of the
main functions of the system.
For more information about the user interface, see the operation
manual of the installed user interface.
FCAHG71~140FVEB
Split system air conditioners
4P429475-1 – 2015.12
b
h
14

Before operation

WARNING
This unit contains electrical and hot parts.
WARNING
Before operating the unit, be sure the installation has been
carried out correctly by an installer.
CAUTION
It is not good for your health to expose your body to the air
flow for a long time.
CAUTION
To avoid oxygen deficiency, ventilate the room sufficiently
if equipment with burner is used together with the air
conditioner.
CAUTION
Do not operate the air conditioner when using a room
fumigation-type insecticide.
chemicals to become deposited in the unit, which could
endanger the health of those who are hypersensitive to
chemicals.
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system type and mark. If your
installation has a customised control system, ask your dealer for the
operation that corresponds to your system.
Operation modes:
▪ Heating and cooling (air to air).
▪ Fan only operation (air to air).
15

Operation

15.1

Operation range

Use the system in the following temperature and humidity ranges for
safe and effective operation.
Cooling
Outdoor –15~50°C DB
temperature
Indoor 18~35°C DB
temperature
12~28°C WB
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.
15.2

Operating the system

15.2.1

About operating the system

▪ To protect the unit, turn on the main power switch 6 hours before
operation.

12 About the system

This could cause the
Heating
–19~21°C DB
–20~15.5°C WB
10~27°C DB
(a)
≤80%
Installer and user reference guide
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