Daikin VRV RXYQ72-384XAYCA, Service Manual

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SiUS342004EB Field Settings for Outdoor Unit
Part 5 Field Settings and Test Operation 168
Caution
2. Field Settings for Outdoor Unit
To continue the configuration of the VRV heat pump system, it is required to give some input to the
logic board of the unit. This chapter will describe how manual input is possible by operating the BS
buttons/DIP switches on the logic board and reading the feedback from the 7 segment displays.
For
VRV
heat pump system it is alternatively possible to make several commissioning field setting
through a personal computer interface (for this, option EKPCCAB1 is required). The installer can
prepare the configuration (off-site) on PC and afterwards upload the configuration to the system.
2.1 DIP Switch Setting when Mounting a Spare PCB

After replacement with spare PCB, be sure to make settings shown in the table on the following
page. The procedure for making settings of spare PCB is different from that used for factory
settings described above. Be sure to refer to the table shown on the following page in order to
make settings of spare PCB after replacement.

Enforce a re-initialization of communication: hold press the RETURN (BS3) button for minimum
5 seconds.

After initialization, a test operation is required from outdoor unit (hold the SET (BS2) button until
indication t01 appears).
(3) BS bu tton (BS1~BS3) (2) Segment display (SEG1~SEG3)
(4)
DIP switch
(DS1-1~4)
(DS2-1~4)
(1)
Microcomp
u ter
normal monitor
(HAP)
Connection terminal
for transmission
u se
ON
OFF
1 2 3 4
DS1
ON
OFF 1 2 3 4
DS2
Initial position
of DIP switches
Position
Set switch