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a
b
1
2
3
c
1
2
3
d
P
P
1
2
e(1)
e(2)
P
P
P
P
1
2
1
2
a
Power supply
b
Residual current device
c
Outdoor unit
d
Indoor unit
e
User interface
1 Remove the service cover.
2 Lay crossover between the terminals (P1, P2) inside the control
box for the remote controller (there is no polarity). For
simultaneous operation system, be sure to connect the user
interface to the master unit.
P1 P2 F1 F2
a
b
c
a
Terminal block (X1M) (Master unit)
b
User interface (MAIN)
c
User interface (SUB)
3 When using 2 user interfaces, one must be set to "MAIN" and
the other to "SUB". For setting refer to the installation manual of
the connected user interface.
15
Finishing the indoor unit
installation
15.1
To fix the unit on the mounting
plate
1 Remove the piece of packing material.
2 Press the bottom frame of the unit with both hands to set it on
the bottom hooks of the mounting plate. Make sure that the
wires do NOT get squeezed or caught anywhere.
3 Press the bottom edge of the indoor unit with both hands until it
is firmly caught by the mounting plate hooks.
4 Secure the indoor unit to the mounting plate using indoor unit
fixing screws M4×12L (2 for class 71, 3 for class 100)
(accessory).
d
FAA71+100BUV1B
Split system air conditioner
3P654518-1A – 2021.03
a
b
c
e
15 Finishing the indoor unit installation
a
Mounting plate (accessory)
b
Refrigerant piping
c
Insulation tape
d
Bottom frame
e
Screw M4×12L ( accessory) 2 for class 71, 3 for class
100
5 Re-install the front grille and front panel.
16
Commissioning
NOTICE
General
commissioning
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during the commissioning
and hand-over to the user.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
16.1
Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
You read the complete installation and operation
instructions, as described in the installer and user
reference guide.
The indoor unit is properly mounted.
The outdoor unit is properly mounted.
Make sure drain piping is properly installed, insulated
and drainage flows smoothly. Check for water leaks.
Possible consequence: Condensate water might drip.
The refrigerant pipes (gas and liquid) are installed
correctly and thermally insulated.
There are NO refrigerant leaks.
There are NO missing phases or reversed phases.
The system is properly earthed and the earth terminals
are tightened.
The fuses or locally installed protection devices are
installed according to this document, and have NOT been
bypassed.
The power supply voltage matches the voltage on the
identification label of the unit.
There are NO loose connections or damaged electrical
components in the switch box.
There are NO damaged components or squeezed
pipes on the inside of the indoor and outdoor units.
The stop valves (gas and liquid) on the outdoor unit are
fully open.
checklist.
Next
to
the
Installation and operation manual
19
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