Para-
meter
Description of Parameter
Range
Standard
value
5
80
Night shift (offset)
-10.0..+10.0
0,0
90
95
96
97
98
99
Network number
Software version
Production year
Production week
Series number (x1000)
Series number (units)
1..250
0..255
00..99
1..52
0..255
0..999
1
-
-
-
-
-
* Technical data.
Type
: ALFANET 95 Cool/Defrosting Thermostat
CONTROL-UNIT:
Range
: -50,0/+50,0
C
Read-out
: 3-digit 7-segments display
Accuracy
: ± 0,5 % of the range.
Status LEDs
: ALARM, COMPR., FAN, DEFR.1 and DEFR.2 (On display through
C
key)
Operation
: through pushbuttons on the front.
Front
: Polycarbonate IP65
Network
: RS485-network (2xtwisted-pair shielded)
Dimensions
: 35 x 77 x 71,5mm (hwd)
Panel cutout
: 29 x 70mm (hw)
I/O-UNIT:
Supply
: 230 Vac 50/60Hz (-5/+10%) Max. 3VA
Relays
: These two relays have one common;
Ry-1 Alarm
SPDT (NO,NC) 250V/8A (cos
=1)
Ry-2 Cool SPST (NO)
250V/8A (cos
=1)
These three relays have one common;
Ry-3 Fan SPST (NO)
250V/8A (cos
=1)
Ry-4 Defrost-1
SPST (NO) 250V/8A (cos
=1)
Ry-4 Defrost-2
SPST (NO) 250V/8A (cos
=1)
Sensors
: 3x SM 811 (PTC 1000
/25
C).
Contact input
: 1x Day/Night switch (open = night shift active) or
Door contact (cooling and fan off when door is open)
Dimensions
: 90x71x58mm (hwd) for rail mounting
- Equipped with memory protection in case of power failure.
- Equipped with a self-testing function.
- Equipped with sensor failure detection.
- Connection through screw terminals on supply/relay module.
- Special models available on request.
