Daikin VRV 5 BS4A14AJV1B, Installation And Operation Manual

Page: 35 / 44

16 Configuration
Installation and operation manual
35
BS4~12A14AJV1B
VRV 5 branch selector unit
4P670163-1 – 2022.02
▪ DIP switches
Mode 1 and 2
Mode Description
Mode 1
(monitoring
settings)
Mode 1 can be used to monitor the current
situation of the BS unit
Mode 2
(field settings)
Mode 2 is used to change the field settings of
the system. Consulting the current field setting
value and changing the current field setting
value is possible.
In general, normal operation can be resumed
without special intervention after changing field
settings.
16.1.2 To access the field setting components
See "13.3.2 To open the unit" [ 4 22].
16.1.3 Field setting components
Location of the 7-segment displays and push buttons:
a
BS1 DS1 DS2 BS2 BS3
b
c
BS1 MODE: for changing the set mode
BS2 SET: for field setting
BS3 RETURN: for field setting
DS1, DS2 DIP switches
a DIP switches
b Push buttons
c 7-segment displays
Push buttons
Use the push buttons to make the field settings. Operate the push
buttons with an insulated stick (such as a closed ball-point pen) to
avoid touching of live parts.
7-segment displays
The display gives feedback about the field settings, which are
defined as [Mode-Setting]=Value.
Example
Description
Default situation
Mode 1
Mode 2
Description
Setting 8
(in mode 2)
Value 4
(in mode 2)
16.1.4 To access mode 1 or 2
Initialisation: default situation
NOTICE
Be sure to turn ON the power 6 hours before operation in
order to have power running to the crankcase heater and
to protect the compressor.
Turn on the power supply of the BS unit, outdoor unit and all indoor
units. When the communication between BS units, indoor units and
outdoor unit(s) is established and normal, the 7‑segment display
indication state will be as below (default situation when shipped from
factory).
Stage Display
Ready for operation: blank display indication as
indicated.
7‑segment display indications:
Off
Blinking
On
Access
BS1 is used to switch between the default situation, mode 1 and
mode 2.
Access Action
Default situation
Mode 1 Push BS1 one time.
7‑segment display indication changes to:
.
Push BS1 one more time to return to the
default situation.
Mode 2 Push BS1 for at least 5 seconds.
7‑segment display indication changes to:
Push BS1 one more time (shortly) to return to
the default situation.
INFORMATION
If you get confused in the middle of the process, push BS1
to return to the default situation (no indication on
7‑segment displays: blank, see
"16.1.4 To access mode 1
or 2" [
4
35].
16.1.5 To use mode 1
Mode 1 is used to set basic settings and to monitor the status of the
unit.