For The User; About The System; System Layout; User Interface - Daikin FCAHG71FVEB Installation And Operation Manual

X33A (A1P) PCB connector (adapter for wiring)
X35A (A1P) PCB connector (auto clean panel)
X39A (A1P) PCB connector (auto clean panel)
X70A (A1P) PCB connector (auto clean panel)
X*A PCB connector
X*M Terminal strip

For the user

9

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.
9.1

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
FCAHG71~140FVEB
Split system air conditioners
4P429472-1 – 2015.12
b
h
X*Y Connector
Z*C Noise filter (ferrit core)
Z*F Noise filter
* Optional
# Field supply
10 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.
11

Operation

11.1

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.
11.2

Operating the system

11.2.1

About operating the system

▪ To protect the unit, turn on the main power switch 6 hours before
operation.
▪ If the main power supply is turned off during operation, operation
will restart automatically after the power turns back on again.
11.2.2 About cooling, heating, fan only, and
automatic operation
▪ The air flow rate may adjust itself depending on the room
temperature or the fan may stop immediately. This is not a
malfunction.
9 About the system
Heating
–19~21°C DB
–20~15.5°C WB
10~27°C DB
(a)
≤80%
Installation and operation manual
13