Daikin VRV-WIII RWEYQ72PTJU Service Manual page 93

SiUS30-1301
1.1.2 Turn Power ON
Turn condensing unit, indoor
unit, Branch Selector unit and
heat source water pump power
ON.
Confirm LED display on
condensing unit PCB
Carry out field setting on
condensing unit PCB
LED display (Factory
setting)
1 condensing unit
installation
Master
Condensing
unit multi Slave1
installation()
Slave2
 The condensing unit connected the control wires (F1 and F2) for the indoor unit should be designated as master unit. The
other condensing unit not connected the control wires will be slave unit.
1. When Turning ON Power First Time
The unit cannot be run for up to 12 minutes to automatically set the main power and address (indoor-condensing unit
address, etc.).
Status
Condensing Test lamp H2P .... Blinks
unit
Can also be set during operation described above.
Indoor unit If ON button is pressed during operation described above, the "UH" error indicator
blinks.
(Returns to normal when automatic setting is complete.)
2. When Turning ON Power the Second Time and Subsequent
Tap the RESET button on the condensing unit PCB. Operation becomes possible for about 2 minutes. If you do not press
the RESET button, the unit cannot be run for up to 10 minutes to automatically set main power.
Status
Condensing Test lamp H2P .... Blinks
unit
Can also be set during operation described above.
Indoor unit If ON button is pressed during operation described above, the operation lamp
lights but the compressor does not operate. (Returns to normal when automatic
setting is complete.)
Field Setting
Be sure to turn the power ON 6 hours before starting operation to
protect compressors. (to power ON crankcase heater)
Make sure the display is normal.
Following table shows correct display.
For field settings, refer to "Field Setting from Remote Controller"
on and after P.89.
After the completion of field settings, set to "Setting mode 1".
In case of multi condensing units connection, carry out the field
settings on master unit. (The setting on slave unit is not effective.)
Micro
computer
MODE TEST
normal
monitor
HAP H1P H2P
l h h
l h h
l h h
l h h
k: ON h: OFF
C/H selection
IND Master Slave
H3P H4P H5P
k h h
k h h
h h h
h h h
Test Operation
l: Blink
Low night
noise Demand Multi
operation
H6P H7P H8P
h h
h h
h h
h h
h
k
l
h
85