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AZQS7 AZQS100~14 AZQS100~140A7W1B
Split System air conditioners
4PW68422-1 – 03.2011
Installation manual
12
Specifications of standard wiring components
Only for AZQS71~140_V1:
Equipment complying with EN/IEC 61000-3-12
(1)
.
T
EST
OPERATION
Pre-run checks
■
Be sure to perform a test run.
■
Be sure to fully open the liquid-side and gas-side stop valves. If
you operate the unit with stop valves closed, the compressor will
break down.
■
Be sure to execute the first test run of the installation in cooling
mode operation.
■
Never leave the unit unattended with an open front panel during
test run.
Test run
1
Be sure to turn power on at least 6 hours before starting
operation in order to protect the compressor.
2
Make sure the liquid and gas stop valves are open.
3
Be sure to close the frontside panel before operation, as not
doing so can cause electric shock.
4
Be sure to set the unit to cooling operation mode.
5
Press the inspection/test operation button of the remote
controller 4 times (2 times in case of a wireless remote
controller) to go into the test run mode.
6
Press the ON/OFF button within 10 seconds to start the test run
and check the operation status for about 6 minutes. The
refrigerant pressure may not rise immediately, even if the stop
valve is opened after an air purge is performed using a vacuum
pump. This is because the indoor unit refrigerant piping is closed
off with electric valves inside. This will not create any problems
during operation.
7
Push the air flow direction adjust button and check if the unit is
responding to the new air flow direction position.
8
Press the inspection/test operation button of the remote
controller 2 times to go into check mode and to make sure that
the malfunction code displays
"
00
"
(=normal). In case the
malfunction code does not display
"
00
"
, refer to
diagnosis at the moment of first installation" on page 13
.
9
If the inspection/test operation button is pressed 4 times during
a test run, the unit returns to normal operation.
10
Check all functions according to the operation manual.
AZQS
71V1
100V1
125V1
140V1
100W1
125W1
140W1
Minimum circuit
amps (MCA)
(a)
(a) Stated values are maximum values (see electrical data of combination with indoor
units for exact values).
18.9
27.6
28.8
17.1
18.3
Recommended
field fuse (A)
20
32
20
Wire type
(b)
(b) Only in protected pipes, use H07RN-F when protected pipes are not used.
H05VV-U3G
H05VV-U5G
Size
Wiring size must comply with the applicable local and
national code
Wire type of
wiring between
the units
H05VV-U4G2.5
NOTE
The earth leakage breaker must be a high-speed type
breaker of 30 mA (<0.1 s).
(1) European/International Technical Standard setting the limits for harmonic
currents produced by equipment connected to public low-voltage systems
with input current >16 A and
≤
75 A per phase.
WARNING
Live parts can be easily touched by accident.
Never leave the unit unattended during installation or
servicing when the service panel is removed.
NOTE
Note that during the first running period of the unit,
required power input may be higher. This phenomenon
originates from the compressor that requires a 50-hour
run-in period before reaching smooth operation and
stable power consumption.
Items to check
Electrical wiring
Inter-unit wiring
Ground wire
■
Is the wiring as mentioned on the wiring
diagram?
Make sure no wiring has been forgotten and that
there are no missing phases or reverse phases.
■
Is the unit properly grounded?
■
Is the wiring between units connected in series
correct?
■
Are any of the wiring attachment screws loose?
■
Is the insulation resistance at least 1 M
Ω
?
-
Use a 500 V mega-tester when measuring
insulation.
-
Do not use a mega-tester for low-voltage
circuits.
Refrigerant piping
■
Is the size of the piping appropriate?
■
Is the insulation material for the piping attached
securely?
Are both the liquid and gas pipes insulated?
■
Are the stop valves for both the liquid side and
the gas side open?
Extra refrigerant
■
Did you write down the extra refrigerant and the
refrigerant piping length?
Opening direction
A
Liquid side
B
Gas side
Remove the cap and turn
counterclockwise with a
hex wrench until it stops
A
B