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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.

Содержание Alfanet 95

Страница 1: ...n will take place after which the measured temperature will appear in the display Operation The ALFANET 95 thermostat can be operated by means of four pushbuttons on the front These pushbuttons are SE...

Страница 2: ...isplay the upper and lower segment will blink With the UP and DOWN keys the required parameter can be selected see the parameter table When the required parameter has been selected the value of the pa...

Страница 3: ...the following two conditions can be set i e a The fan is blocked until the defrost sensor measures a temperature that is lower than the set switching on temperature of the fan P25 b The fan is blocked...

Страница 4: ...50 50 C 0 No 1 Yes 15 2 0 0 35 36 37 Day night contact as door contact Cooling and fan off if door is open Max time cooling and fan off when door is open 0 No 1 Yes 0 No 1 Yes 0 99 Minutes 0 0 30 40...

Страница 5: ...ir 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...

Страница 6: ...6 Dimensions of ALFANET 95 Control unit I O unit...

Страница 7: ...7 Connection data Diagram 042527w2...

Страница 8: ...8 Function diagram Address VDH Products BV Tel 31 0 50 30 28 900 Produktieweg 1 Fax 31 0 50 30 28 980 9301 ZS Roden Email info vdhproducts nl Netherlands Internet www vdhproducts nl...

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