Daikin RXYQ96PYDN Service Manual page 237

Test Operation
10.2.2 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.
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REYQ72~120PYDN
REYQ72~144PTJU
* Another switch box is provided on the front left side of the unit, but it requires no field settings.
Conduct check operations.
Check for normal operation.
222
Be sure to turn the power on 6 hours before starting operation to protect
compressors. (to power on crankcase heater)
Check to be sure the transmission is normal.
The transmission is normal if the LEDs display conditions as shown in
table below.
Micro-co
LED display
mputer
(Default status before operation
monitor
delivery)
One outdoor unit installed
Master
When multiple
Slave 1
outdoor unit
installed (*)
Slave 2
(*) The master unit is the outdoor unit to which the transmission wiring for
the indoor units is connected.
The other outdoor units are slave units.
Make field settings if needed.
For the setting procedure, refer to information in 12.1 Field Setting
from Outdoor Unit on page 242 onward.
For the outdoor-multi system, make field settings with the master unit.
Field settings made with the slave unit will be invalid.
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REMQ72~120PYDN
REMQ72~120PTJU
Inside a switch box
"A1P" PC board
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 operate normally.
LED display 7 ON 7 7 OFF 9 9 Blinking
COOL / HEAT select
MODE TEST
IND MASTER SLAVE
HAP H1P H2P H3P H4P
7
9 9 7 7 7 7
7
9 9 7 7 7 7
7 7
9 9 7 7 7 7
7 7
9 9 7 7 7 7
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Inside a switch box
"A1P" PC board
VRVIII R-410A Heat Recovery 60Hz
SiUS34-801A_b
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
9 9
7 7 7 7 7 7 7 7
7 7
7 7 7 7 7 7 7 7