Daikin VRV III RXYQ5-54PY1 Service Manual page 157

Test Operation
1.2.2 Turn power on
Turn outdoor unit and indoor
unit power on.
Check the LED display of the
outdoor unit PC board.
Make field settings with outdoor
unit PC board.
Conduct check operations.
Check for normal operation.
146
Be sure to turn the power on 6 hours before starting operation to protect
compressors. (to power on clankcase heater)
Check to be sure the transmission is normal.
The transmission is normal if the LEDs display conditions as shown in
table below.
Micro-
computer
LED display
operation
(Default status before
monitor
delivery)
HAP
One outdoor unit installed
9 9
Master
9 9
When multiple
outdoor unit
Slave 1 9 9
installed (*)
Slave 2 9 9
(*) The master unit is the outdoor unit to which the transmission wiring for
the indoor units is conncted.
The other outdoor units are slave units.
Make field settings if needed.
(For the setting procedure, refer to information in "3.2. Field Setting
from Outdoor Unit" on page 174 onward.)
For the outdoor-multi system, make field settings with the master unit.
(Field settings made with the slave unit will be all invalid.)
The check operations shown below will be automatically initiated.
• Check for erroneous wirings
• Check for failure to open stop valves
• Check for excessive refrigerant refilling
• Automatic judgment of piping length
Before starting the normal operation after the completion of check
operations, make sure indoor and outdoor units normally operate.
LED display 7 ON
COOL / HEAT select
MODE TEST
IND MASTER SLAVE
H1P H2P H3P H4P
7 7 7 7 7 7 7
7 7 7 7 7 7 7
7 7 7 7 7 7 7 7
7 7 7 7 7 7 7 7
Si34-601A
OFF Blinking
7 7 9 9
Low
Demand Multi
noise
H5P H6P H7P H8P
7 7 7 7 7 7 7 7
7 7 7 7 7 7 7
7 7 7 7 7 7 9 9
7 7 7 7 7 7 7 7
Test Operation