Klingenburg KR4 - Ordering a Controller

·KLINGENBURG
KR 4 R
7
Z A B
C
D
13
Ordering a controller
The KR controllers for regenerative heat exchangers are
available in two sizes:
KR4 = 400 Watt und KR7 = 750 Watt
The basic controller can be upgraded using an options board.
Certain functions require additional sensors (see
below).
Basic controller:
Control signal inputs
Speed display
Fault output
Intermittent operation
Motor thermal protection
Rotation monitor
Additonal functions:
Sequence switch
Supply air temperature control
Summer mode
- basic controller
- controller output
- rotation monitor *)
- additional functions
- supply air temperature control
- summer mode
Additional functionsBasic controller
*) see basic controllerr
Sample order KR4 R Z A B
Basic controller, output 400 Watt
Rotation monitor
using temperature comparison
using enthalpy comparison
using outside temperature
measurement
Required additional sensors for optional features
Supply air temperature control
- 1 sensor in the supply air
Summer mode using temperature comparison
- 2 sensors
Summer mode using enthalpy comparison
- 2 sensors
Summer mode using outside temperature measurement
- 1 sensor
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·
·
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Summer mode
using temperature comparison
Supply air temperature control
Independent control with sensors,
sequence switch