Field Settings For Outdoor Unit; Dip Switch Setting Mounting A Spare Pcb - Daikin REYQ-XA Service Manual

SiUS371901E

2. Field Settings for 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, 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 Mounting a Spare PCB

Caution:
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 button (BS1~BS3)
Initial position
of DIP switches
(1) Microcomputer normal monitor
This monitor blinks while in normal operation, and turns ON or OFF when an error occurs.
(2) 7 segment display
· Used to check the transmission.
· Used to display the transmission state between indoor and outdoor units.
· Used to display the error description.
· Used to display the contents of field setting.
(3) BS button
Used to change mode.
(4) DIP switch
Used to make field settings.
Field Settings and Test Operation
(2) Segment display (SEG1~SEG3)
Connection terminal
for transmission use
ON ON
OFF 1 2 3 4 OFF 1 2 3 4
DS1 DS2
(4)
DIP switch
(DS1-1~4)
(DS2-1~4)
(1)
Microcomputer
normal monitor
(HAP)
Position
Set switch
Field Settings for Outdoor Unit
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