Operating The Bs Buttons And Dip Switches On The Pcb - Daikin REYQ-XA Service Manual

Field Settings for Outdoor Unit
2.3

Operating the BS Buttons and DIP Switches on the PCB

Operating the BS buttons
By operating the BS buttons it is possible to:
• Perform special actions (automatic refrigerant charging, test operation, etc).
• Perform field settings (demand operation, low noise, etc).
Below procedure explains how to operate the BS buttons to reach the required mode in the menu, select the
correct setting and modify the value of the setting. This procedure can be used any time special settings and
regular field setting are discussed in this manual.
Setting definition: [A-B]
A: mode
B: setting
C: setting value
A, B and C are numerical values for field settings. Parameter C has to be defined. It can be a chosen from a set
(0, 1, 2, 3, 4, 5, ...) or regarded as an ON/OFF (1 or 0) depending on the contents. This is informed when the field
setting is explained.
INFORMATION During special operation (e.g., automatic refrigerant charging, test
Functions of the BS button switches which are located on the main PCB (A1P)
Turn ON the power supply of the outdoor unit and all indoor units.
When the communication between indoor units and outdoor unit(s) is established and normal, the segment
indication state will be as follows (default situation when shipped from factory).
When turning ON the power supply, the display blinks ON and OFF. First checks of the power supply are
executed (1 - 2 minutes).
When no trouble occurs: lighted as indicated (8 - 10 minutes).
Ready for operation: blank display indication as indicated.
When above situation cannot be confirmed after 12 minutes, the error code can be checked on the indoor unit
user interface and the outdoor unit segment display. Solve the error code accordingly. The communication wiring
should be checked at first.
INFORMATION Be sure to turn the power on at least 6 hours before operation in order to
191
→
C
operation, etc.) or when an error happened, information will contain
letters and numerical values.
have power running to the crank case heater.
SiUS371901E
Field Settings and Test Operation