5 Technical data
Installation manual
10
AZQS100~14 AZQS100~140B7Y1B
Split system air conditioners
4P3855281 – 2014.08
4.2
To perform a test run
NOTICE
Do not interrupt the test run.
INFORMATION
In case you have to redo the test run, see the service
manual.
1
Perform introductory steps.
#
Action
1
Open the liquid stop valve (A) and gas stop valve (B)
by removing the stem cap and turning
counterclockwise with a hex wrench until it stops.
A
B
2
Close the service cover to prevent electric shocks.
3
Turn ON power for at least 6 hours before starting
operation to protect the compressor.
4
On the user interface, set the unit to cooling operation
mode.
2
On the user interface, turn ON the unit.
Result:
The test run starts automatically. During the test run,
the H2P test LED is ON. When the test run is done, the LED
turns OFF.
4.3
Error codes when performing a
test run
If the installation of the outdoor unit has NOT been done correctly,
the following error codes may be displayed on the user interface:
Error code
Possible cause
Nothing displayed
(the currently set
temperature is not
displayed)
▪ The wiring is disconnected or there is a
wiring error (between power supply and
outdoor unit, between outdoor unit and
indoor units, between indoor unit and
user interface).
▪ The fuse on the outdoor unit PCB has
blown out.
E3, E4 or L8
▪ The stop valves are closed.
▪ The air inlet or air outlet is blocked.
E7
There is a missing phase in case of three
phase power supply units.
Note:
Operation will be impossible. Turn
OFF the power, recheck the wiring, and
switch two of the three electrical wires.
L4
The air inlet or air outlet is blocked.
U0
The stop valves are closed.
U2
▪ There is a voltage imbalance.
▪ There is a missing phase in case of
threephase power supply units.
Note:
Operation will be impossible. Turn OFF
the power, recheck the wiring, and switch
two of the three electrical wires.
U4 or UF
The interunit branch wiring is not correct.
UA
The outdoor and indoor unit are
incompatible.
NOTICE
▪ The reversed phase protection detector of this product
only
functions
when
the
product
starts
up.
Consequently reversed phase detection is not
performed during normal operation of the product.
▪ The reversed phase protection detector is designed to
stop the product in the event of an abnormality when
the product is started up.
▪ Replace two of the three phases (L1, L2, and L3)
during reversephase protection abnormality.
5
Technical data
5.1
Wiring diagram
5.1.1
Wiring diagram: Outdoor unit
The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Notes for AZQS_V1:
Notes:
1
Symbols (see legend).
2
Colours (see legend).
3
This wiring diagram applies only to the outdoor unit.
4
Refer to the wiring diagram sticker (on the back of the service
cover) for how to use the BS1~BS4 and DS1 switches.
5
When operating, do not shortcircuit protective devices S1PH
and S1PL.
6
Refer to the service manual for instructions on how to set the
selector switches (DS1). The factory setting of all switches is
OFF.
7
Refer to the combination table and the option manual for how
to connect the wiring to X6A, X28A and X77A.
Notes for AZQS_Y1:
Notes:
1
This wiring diagram applies only to the outdoor unit.
2
Refer to the combination table and the option manual for how
to connect the wiring to X6A, X28A and X77A.
3
Refer to the wiring diagram sticker (on the back of the service
cover) for how to use the BS1~BS4 and DS1 switches.
4
When operating, do not shortcircuit protective device S1PH.
5
Refer to the service manual for instructions on how to set the
selector switches (DS1). The factory setting of all switches is
OFF.
6
Only for 71 class.
Legend for wiring diagrams:
A1P~A2P
Printed circuit board
BS1~BS4
Push button switch
C1~C3
Capacitor
DS1
DIP switch
E1H
Bottom plate heater (option)
F1U~F8U
(AZQS100_V1)
▪ F1U, F2U: Fuse
▪ F6U: Fuse (T 3.15 A / 250 V)
▪ F7U, F8U: Fuse (F 1.0 A / 250 V)