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* Technical details.
Types
: ALFA-45A Cool/Defrost Thermostat with fan control
ALFANET-45A Cool/Defrost Thermostat with fan control and
RS485-network connection
CPU-unit of the
ALFA(NET)-45A
Range
: -50/+50
C, readout per 1
C
Display
: 3-digit 7-segment display
Control
: pushbuttons on the front.
Status LEDs
: 1xLED 'compr.', 1xLED 'set' and 1xLED 'defrost'
Alarm-relay
: SPST 250/8A (C-NC) (cos phi=1) Relay normally active,
the C/NC contact is open and at alarm the C/NC contact is closed.
Front
: Polycarbonate
Sizes CPU-unit
: 35 x 77 x 71,5mm (hwd)
Panel cutout CPU-unit
: 28 x 70mm (hw)
SUPPLY-unit of the
ALFA-45A
Supply
: 230 Vac 50/60Hz
Max. used power
: 6,2 VA
Fuse
: No internal fuse present
Product sensor
: SM 811/2m.
Defrost sensor
: SM 811/2m.
Relay Compressor
: SPST 250V/ 16A(C-NO) (cos phi=1)
Relay Defrost
: SPST 250V/8A(C-NO) (cos phi=1)
Relay Fan
: SPST 250V/8A(C-NO) (cos phi=1)
Sizes Supply-unit
: 80x70x85mm (hwd) for rail mounting
Operation temperature
: 0/+50
C
Operation rel. humidity
: 10/90 %RH not condensing
Ventilation
: Keep ventilation holes open
- Provided with memory protection during power failure.
- Connection with screw terminals.
- Equipped with self test function and sensor failure detection.
- Special version on request available.
* Address.
VDH Products BV
Tel:
+31 (0)50 30 28 900
Produktieweg 1
Fax:
+31 (0)50 30 28 980
9301 ZS Roden
Email:
The Netherlands
Internet:
