Daikin REYQ-AATJA, Service Manual, Page: 224 / 495

Field Setting from Outdoor Unit SiUS372201EA
217 Part 5 Field Settings and Test Operation
Caution
2. Field Setting from Outdoor Unit
To continue the configuration of the VRV heat recovery system, it is required to give some input to
the PCB of the unit. This chapter will describe how manual input is possible by operating the BS
buttons/DIP switches on the PCB and reading the feedback from the 7 segment displays.
For
VRV heat recovery system it is alternatively possible to make several commissioning field
setting through a personal computer interface (for this, an optional cable 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).
1 2 3 4
DS1
1 2 3 4
DS2
(3) BS button
(BS1~BS3)
(2) Segment display
(SEG1~SEG3)
(4) DIP switch
(DS1-1~4) (DS2-1~4)
Connection terminal
for transmission use
ON
OFF
Initial position of DIP switches (
„
)
(1) Microcomputer normal monitor
(HAP)