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Test Operation (4/5/10/12 HP Models)
SiAF332111E
162
Part 5 Field Settings and Test Operation
Warning
5.3 Test Operation (4/5 HP Models)
To start smoothly, a crankcase heater is equipped to the 5 HP unit only & to power up the
crankcase heater in advance, be sure to turn on the power supply 6 hours before operation.
Crankcase heater is not provided for 4 HP unit. So, there is no need to turn on the power supply
6 hours before operation.
Be sure to inform other installers or attach the front panel well before leaving with the power
supply turned on for the outdoor unit.
Before powering ON
Protect the electronic components with insulating tape in accordance with the
Service
Precautions
label attached to the front panel.
All indoor units connected with the outdoor unit will operate automatically after powering on.
To ensure safety, check the indoor unit installation has been completed.
Powering On to Test Operation
Make sure to perform a test operation first after installation (If the unit is operated with the
indoor unit’s remote controller without performing a test operation, the error code
U3
will be
displayed on the remote controller and the unit will not operate normally).
After turning on the power supply, do not touch any switches excluding button switches and
changeover switches when setting the outdoor unit PCB (A2P).
(For positions of the BS buttons (BS1~5) and changeover switches (DS1-1, 2) on the PCB,
refer to the
Service Precautions
label)
Check the state of the outdoor units and fault wiring with this operation.
(1) Attach the front panel of the outdoor unit.
(2) Turn on the power supply of the outdoor and indoor units.
(3) Remove the front panel of the outdoor unit.
(4) Check LED display of the outdoor unit’s PCB (A1P, A2P), to observe whether data
transmission is normal.
LED display:
h
Light OFF
k
Light ON
l
Blinking
(5) If customer wishes to perform LOW NOISE operation or DEMAND operation, perform setting
with the BS buttons (BS1~5) on outdoor unit’s PCB (A2P).
(6) Operate the BS buttons from the opening of the insulating cover. (See Protective range of
the
Service Precautions
label for details)
Only for 5 HP
, to power up the crankcase heater in advance, be sure to turn on the power
supply 6 hours before operation.
Caution
A1P
A2P
LED
display
(Factory
setting)
SERVICE
MONITORING
LAMP
MODE
READY /
ABNORMAL
C/H CHANGEOVER
LOW
NOISE
DEMAND
IND
MASTER
SUB
HAP
H1P
H2P
H3P
H4P
H5P
H6P
H7P
l
h
h
k
h
h
h
h
Don't touch the switches other than BS buttons and changeover switches of the PCB (A2P)
during setting. Doing so may result in electric shock.
Caution
Summary of Contents for VRV S RXQ4/5ARV1
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Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...