KGL Operating Manual – UA 412 S
2019-01-14
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4 Applications UA 412 S
4.1 Controller types
Different controller types and their application areas in the UA 412 S case controller are summarised in the
table below:
Controller type
Applications
Case controller
SPIR410
Semi-plugin controller for NT multidecks using the R410a refrigerant
One refrigerant circuit with
a speed-controlled compressor
SPIR290
Semi-plugin controller for NT multi decks using the R290 refrigerant
Up to four refrigerant circuits with
a) up to four speed-controlled compressors (parallel combined) or
b) up to four staged compressors
For definition of the basic control action,
can be set, which is set using the
only one controller type
DIP switch
:
S3
Special feature: Two device generations are available. The DIP switch S3 provides a quick distinguishing
feature:
Characteristic: 9-pole DIP switch
Characteristic: 8-pole DIP switch
Example: Setting of the coding switches for the controller type SPIR290; for details, see chapter
.
settings for the master / slave mode, page 31
Controller type
DIP switch S3 (switch positions of the coding switches 1 .. 9)
1
2
3
4
Master /
Slave
mode
5
6
7
8
9
Normal Operation /
Firmware Update
Case controller
SPIR410
ON
OFF
OFF
ON
/OFF
OFF
OFF
OFF
OFF
ON
SPIR290
OFF
ON
OFF
ON
/OFF
OFF
OFF
OFF
OFF
ON
Operation with an unsupported DIP switch setting is not permitted. In the event of change of the
controller type, all parameters are reset to their factory settings.
The controller can be operated via
a central computer e.g. via network / modem with connection to the system centre / store computer,
the system centre, a store computer or an operator terminal,
a local BT 300 operator interface via the DISPLAY interface on the controller or
a laptop (PC) with the PC software LDSWin connected via USB.
