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MECHANICAL
ASSEMBLY

The unit has been designed to be panel-
mounted: Drill a 29x71 mm hole, insert a
tool and fix it in place with the brackets
provided. Do not assemble the instrument
in excessively humid or dirty locations
since it is designed to be used in locations
having low/moderate pollution. 
Always make sure that the area next to the
unit cooling slits is adequately ventilated.

ELECTRICAL
WIRING

Warning! Always switch off machine
before working on electrical connec-
tions. 

The instrument has screw terminals for
connecting electrical cables with a diame-
ter of 2,5 mm

2

max. (only one conductor

per terminal for power connections). for

terminal capacity, see the label on the
instrument. 
The relay contacts are voltage free. 
Do not exceed the maximum current
allowed. 
For higher loads, use a suitable contactor.
Make sure that the power voltage com-
plies with the device voltage. Probes have
no connection polarity and can be extend-
ed using an ordinary bipolar cable (note
that if probes are extended this affects the
electromagnetic compatibility (EMC) of the
instrument: special care must be used
when wiring). 
Probe cables, power supply cables and the
TTL serial cable should be kept separate
from power cables. 

TECHNICAL DATA

Front protection: IP65. 
Casing: PC+ABS UL94 V-0 resin plastic
body, polycarbonate front, thermoplastic
resin buttons. 
Dimensions: front 74x32 mm, 60 mm
depth. 
Mounting: on panel, with drilling template
71x29 mm (+0.2/-0.1 mm). 
Operating temperature: -5…55 °C. 
Storage temperature: -30…85 °C. 
Usage ambient humidity: 10…90 % RH
(non-condensing). 
Storage ambient humidity: 10…90% RH
(non-condensing). 
Display range: -50…110 (NTC); -55…140
(PTC) °C without decimal point (parameter
selectable), on display 3   sign. 
Analogue inputs: three PTC or NTC inputs
(parameter-selectable). 
Digital inputs: 2 voltage-free parameter-
configurable digital inputs. 
Serial: TTL for Televis or Copy Card con-
nection. 
Digital outputs: 

MODEL ID 985LX

4 outputs on relays: first output (A) SPDT
8(3)A 250V

a

, second and third output (B-

C) SPST 8(3)A 250V

a

, fourth output (D)

SPST 5(2)A 250V

a

.

MODEL ID 983LX

2 outputs on relays: 
(A) SPDT 8(3)A 250V

a

(B) SPST 8(3)A 250V

a

Link: Link network output (

FOR /CK

MODEL ONLY)

Measurement range: from -55 a 140 °C.
Accuracy: better than 0.5% of bottom scale
+1 digit. 
Resolution: 1 or 0.1 °C. 
Consumption: 3 VA. 
Power supply: 12 V

a

/

c

±10% 50/60 Hz

Warning: check the power supply specified
on the instrument label; for information
on relay capacity and power supplies con-
tact the Sales Office).

MODELS AVAILABLE

ID 983-985 LX (/C /CK) HACCP

5/12

;

;

;

;

;

Model

ID 983LX - 
ID 985LX
HACCP
ID 983LX/C - 
ID 985LX/C
HACCP
ID 983LX/CK - 
ID 985LX/CK
HACCP

Note:
C= CLOCK (CLOCK) K=LINK

N. B.: 
In addition to the indicated models, the fol-
lowing model is also available

ID 983LX M - 
ID 985LX M

Technical information on this model can be
found on the site:

http://www

http://www

.climate-eu.invensys.com

.climate-eu.invensys.com

Characteristics

Basic model without LINK and
without CLOCK 

and HACCP alarm

management

Model without LINK with CLOCK

and HACCP alarm management

Model with LINK and with CLOCK

and HACCP alarm management

Model with MODBUS serial com-
munication protocol

CAUTION: The ID 983LX M -  ID
985LX M models do not have a
dual evaporator system and
therefore do not possess the
features and parameters that
are specific to dual evaporators.

DISPLAY

AH1

AL1

AH3

AL3

Ad2 
EA 
Opd
E7

E10

Press any button to silence the alarm. The LED will
start to blink. If simultaneous, they will be shown
on the display alternately every 2 seconds

*No-link alarms and addressing conflicts alter-
nate with the temperature or probe error val-
ues normally displayed on the Master or Slave.

ALARM

High temperature alarm (referring to
room probe or probe 1) 
Low temperature alarm (referring to
room probe or probe 1) 
High temperature alarm (referring to
probe 3)
Low temperature alarm (referring to
probe 3) 
Defrosting timed out 
External alarm 
Door Open Alarm 
Master-Slave Communication failure
(/CK model) 
Clock battery alarm
(/C or /CK models)

Table of alarms

Summary of Contents for 983LX/CK HACCP

Page 1: ...t be changed Real Time Clock C CK models By pressing the set button when the rtc label appears the label d00 days is displayed Use the UP and DOWN buttons to set days If you do not use the buttons for...

Page 2: ...operation is confirmed by pressing the set button If the operation is successful a y is displayed whereas if it is unsuc cessful an n will be displayed Download from reset Connect the copy card with...

Page 3: ...slave and echo devices The distance between one device and another must be 7 metres maximum whereas the maximum distance between the first and last instrument in the network must be approximately 50m...

Page 4: ...ther mostat control probe probe1 and or dis play probe probe 3 The temperature limits are defined by the HAL maximum alarm LAL minimum alarm and PbA alarm configuration on probe 1 3 or both parameters...

Page 5: ...gital outputs MODEL ID 985LX 4 outputs on relays first output A SPDT 8 3 A 250Va second and third output B C SPST 8 3 A 250Va fourth output D SPST 5 2 A 250Va MODEL ID 983LX 2 outputs on relays A SPDT...

Page 6: ...RTC is enabled 1 equipment operating hours defrost counting is always active when the machine is on and starts at each power on 2 compressor stop Every time the compressor stops a defrost cycle is per...

Page 7: ...tes alarm External Alarm Lock External alarm to lock controllers n does not lock y locks Alarm Output Polarity Polarity of alarm output 0 alarm active and output disabled 1 alarm active and output ena...

Page 8: ...ature used by controllers not the temperature displayed that remains unchanged 2 adds to temperature displayed that is also used by controllers Low display Label Minimum value the instrument is able t...

Page 9: ...output configurability 1 A Same as H21 2 defrost default ID 985LX C CK MODEL ONLY Digital output 3 configurability C Same as H21 3 fans default ID 985LX C CK MODEL ONLY Digital output 4 configurabili...

Page 10: ...or safety reasons the instrument must be installed and used in accordance with the instructions supplied Users must not be able to access parts with dangerous volt age levels under normal operating co...

Page 11: ...S CnF Fpr set level 1 par level 1 par level 1 par level 1 par set set set PA2 level 2 par level 2 par level 2 par level 2 par level 2 par level 2 par level 2 par level 2 par CP dEF FAn AL set set set...

Page 12: ...output 1st evaporator A 15 16 N O compressor relay output B 15 17 N O fan relay output C 18 19 N O defrost relay output 2nd evaporator D ID 983LX C CK 1 4 Probe input 3 2nd evaporator 12 13 N O defros...

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