Honeywell ICON-343C Bedienungsanleitung

ICON-343C / ICON-363C

REFRIGERATION CONTROLLER

USER GUIDE

ICON 343C / 363C USER GUIDE

EN2B-0004UK07 R0304 1

Trademark Information Genus® is a registered trademark of Honeywell Control Systems Ltd.

ICON 343C / 363C USER GUIDE

2EN2B-0004UK07 R0304

1. CONTENTS

1. CONTENTS.....................................................................................................................................................................2

2. SAFETY INSTRUCTIONS............................................................................................................................................3

3. GENERAL DESCRIPTION...........................................................................................................................................4

4. OPERATOR MODES ....................................................................................................................................................4

5. TECHNICAL SPECIFICATIONS.................................................................................................................................5

6. INSTALLATION .............................................................................................................................................................6

6.1. First Things .............................................................................................................................................................6

6.2. Probes......................................................................................................................................................................6

6.3. Electrical Wiring......................................................................................................................................................6

6.4. Fitting.......................................................................................................................................................................8

6.5. Probe Self Detect...................................................................................................................................................9

7. ICON FRONT PANEL .................................................................................................................................................10

7.1. Functions of the Front Panel..............................................................................................................................10

7.2. Controller front panel LEDs................................................................................................................................10

7.3. Controller front panel keys..................................................................................................................................11

7.4. Functions Of The Keys........................................................................................................................................11

7.5. LED Functions......................................................................................................................................................14

8. CONFIGURATION PARAMETERS..........................................................................................................................15

8.1. Parameter Configuration of the Icon 343C & 363C Controller.....................................................................16

9. REAL TIME CLOCK AND DEFROST SETUP .......................................................................................................23

9.1. Setting and Displaying the Real Time Clock...................................................................................................23

9.2. Setting the Daily Defrost Cycles on the Real Time Clock.............................................................................23

10. CONNECTING TO HONEYWELL GENUS NETWORK.....................................................................................24

10.1. Icon Controller Identification on Genus®Network........................................................................................24

10.2. Network Logging-On Procedure......................................................................................................................24

10.3. Network Logging-Off Procedure......................................................................................................................24

11. PROGRAMMABLE HOTKEY.................................................................................................................................25

11.1. HotKey Uploading Procedure..........................................................................................................................25

11.2. HotKey Downloading Procedure.....................................................................................................................25

12. TROUBLESHOOTING..............................................................................................................................................26

12.1. Alarm Messages ................................................................................................................................................26

12.2. Warning Messages............................................................................................................................................27

13. MAINTENANCE.........................................................................................................................................................27

14. ABOUT THE OPERATING INSTRUCTIONS .......................................................................................................27

15. NOTES.........................................................................................................................................................................28

ICON 343C / 363C USER GUIDE

EN2B-0004UK07 R0304 3

2. SAFETY INSTRUCTIONS

A. Keep this instruction booklet where it can always be easily consulted by

the operator or by maintenance personnel.

B. Before making an intervention or connection of any kind, make sure that

the mains are disconnected both from the instrument and from any

device connected to it.

C. Warning: hot components may be inside the plastic housing of the

controller.

D. No user-serviceable parts are inside the plastic housing of the controller.

E. The controller and any device connected to it must be installed in

compliance with the safety regulations in force. If these regulations are

not complied with during installation, and if our product is not installed in

compliance with the indications given in this instruction booklet, then this

may result in the safety of the controller being comprimised. In

particular, the ambient operating conditions for the controller given in our

technical data must be complied with. Absolutely avoid: water

condensation or excessive humidity, exposure to steam, corrosive or

toxic gases, contact with any type of liquid, and exposure to shocks or

extreme vibrations. Not complying with the above indications could

cause malfunctions and entail unpredictable consequences.

F. This controller is guaranteed by Honeywell to have a specific immunity

level, in compliance with CE regulations, against irradiated and

conducted electromagnetic disturbances. By irradiated electromagnetic

disturbances we recommend to screen the controller with a metal screen

connected to ground. To eliminate, or at least reduce conducted

disturbances, which not only could propagate through the mains but also

through the probes or the connected loads, carry out the electrical wiring

according to the indications given in this instruction booklet. If

necessary, use filters with suitable characteristics for specific

applications and for the detected type of disturbance.

G. If the type of probe to be used will directly touch foodstuffs, make sure

that it is in compliance with the local sanitary and health regulations.

H. The controller has no type of protection for the connected loads, so

these must be protected against short circuits, over-current or over-

voltage, excessive temperature, etc., by suitable protective means (such

as fuses, suitable thermo-magnetic circuit breakers, thermal protections,

etc.). At any rate, the electrical power lines that supply both the

controller and any other device connected to it, either directly or through

a transformer, must be manufactured in compliance with the regulations

in force.

I. When the controller is used in appliances where any malfunction of said

controller could cause a form of risk to persons, animals or objects, it is

ABSOLUTELY MANDATORY to provide a suitable protective/safety

device, in addition to the controller, which independently starts to

operate in case of a failure.

J. The controller cannot be used as critical component in life-support

devices or systems without a written approval expressly issued by the

legal representative of Honeywell.

CAUTION

Disconnect the power supply before you begin installing the Icon controller.

Do not reconnect the power supply until you have completed installation.

ICON 343C / 363C USER GUIDE

4EN2B-0004UK07 R0304

3. GENERAL DESCRIPTION

The Honeywell Icon 300 Series is a microprocessor controlled thermostat,

probes (air-on, air-off and evaporator probes), and has up to six relay outputs

(alarm, auxiliary, light, compressor, defrost and fan), and two digital inputs

(doorswitch and auxiliary). Icon 300 series has a RS485 serial line connection

to enable the controller to interface to Honeywell Genus® network.

The Icon 300 series comes in two variants:

Icon 343 (Part Number: ICON-343C)

Icon 363 (Part Number: ICON-363C)

The Icon 300 series can be applied both in cooling and refrigeration

applications and has the following features:

•satisfy the most diverse plant requirements for cooling/refrigeration with its

42 configurable parameters, that can be set very easily and quickly through

the instrument keyboard.

•display the conditioned ambient temperature as well as the alarm messages

that refer to faulty cooling/refrigeration plant functions.

•control the conditioned ambient temperature through weighted average of

the air-on / air-off probes in order to maintain it under a set limit value (main

set point + differential), by activating the compressor to lower said

temperature every time it exceeds the main set point + differential value.

•control the defrost cycles of the cooling/refrigeration plant manually, through

the network or through the programmed mode; in the latter mode it is

possible to set the starting times of up to six daily defrost cycles.

•control the defrost cycle time as well as the successive startup of the

cooling/refrigeration plant fan through the evaporator probe.

•select theLow Humidity mode (with a specific key) which keeps the fan of

the cooling/refrigeration plant running.

4. OPERATOR MODES

The ICON 343C / 363C controller has three operating modes:

A. Stand-by: The controller is not active and OFF is displayed.

B. Programming: In this mode it is possible to set the configurable

parameter values of the thermostat.

C. Normal: In this mode the conditioned ambient temperature is displayed

and the digital outputs, the defrost cycles, and any case / coldroom alarms

are monitored.

ICON 343C / 363C USER GUIDE

EN2B-0004UK07 R0304 5

5. TECHNICAL SPECIFICATIONS

Icon 343C / 363C

Power Supply AC 230Vac 50/60 Hz

Transformer on board AC 230–12 V, 50/60 Hz

Door switch input operates according to customer

requirements. (not on ICON-343C).

Networking Connection RS485 (HoneywellGenus®)

Air-On, air-off and evaporator

probe range -55 … + 85 °C / -67 … + 185 °F

Compressor output SPST relay, AC 240 V 15A (resist.)

Defrost output SPST relay, AC 250 V 8A (resist.)

Fan output SPST relay, AC 250 V 6A (resist.)

Alarm output: SPDT relay, AC 250 V 4A (resist.) (not

on ICON-343)

ON/OFF (Auxiliary) output SPST relay, AC 250 V 4A (resist.) (not

on ICON-343)

Light output SPST relay, AC 250 V 6A (resist.)

Internal alarm buzzer

Back-up battery for internal clock 3 V, lithium (non-replaceable)

Display: four-digit, 14.2 mm high, green LEDs and

four decimal points

Front panel Keyboard with 8 keys, 1 red signaling

LEDs and 4 green signaling LEDs

Resolution 0.1 or 1 unit

Network Honeywell Genus®

Electrical connections of the inputs

(probes, digital inputs) through 3-mm screw terminals for 14

AWG, 2.5 mm2wires

Electrical connections of the

outputs (relays) Fast-onshroudedspades

Controller dimensions (height x

width x depth) 46mm x 188mm x 68mm

Installation panel mount

Panel cutout dimension 149.5 x 31.5 mm

Housing in self-extinguishing PC/ABS plastic.

Front Panel IP Class IP52

Operating ambient temperature 0…+ 50 °C / 32… 122°F

Operating ambient R.H. 30…85 % non-condensing

Storage temperature -20…+ 80 °C / -4…176 °F

Table 1. Technical Specifications

Honeywell reserves all rights to modify the technical features of its instruments as

well as to discontinue the production of any model without previous notification.

ICON 343C / 363C USER GUIDE

6EN2B-0004UK07 R0304

6. INSTALLATION

6.1. First Things

The controller must be installed in a place where it is protected from extreme

vibration, impact, water, corrosive gases, steam, etc., and where temperature

and humidity do not exceed the values given in the technical data sheet.

6.2. Probes

We recommend the use of probes such as Honeywell 2k ohm NTC thermistor

temperature probes (Part Number: TP002K).

Both the air-on and air-off probe is to be installed inside the coldroom or

refrigerated display case where it is protected from direct air flow (i.e., far from

fans or doors) so that the average ambient temperature can be measured.

The evaporator probe must be installed in the coldest area between the

evaporator fins, i.e., where the greatest amount of ice will form and far from the

resistances or the area that warms up first during defrosting, in order to avoid

anticipating termination of said defrost cycle.

6.3. Electrical Wiring

The wiring diagram of the ICON 343C / 363C controller is shown in Figs.1. & 2.

We recommend the protection of the controllers power supply from

electromagnetic disturbances, voltage peaks, etc., especially applications in

particularly critical industrial environments.

This can be done while carrying out the electrical wiring by keeping the

following points in mind:

A. Keep the power output cables for the compressor, motors, etc. separate

from those for the control part;

B. Keep the probe cables, the controller power cables and the attached load

power supply cables separate and far enough from each other, so they do

not cross or form spirals;

C. Use mains filters to reduce disturbances at the controller power supply, as

well as filters for the loads in order to attenuate disturbances at the

controller relay outputs;

D. If strong radio disturbances are present, screen the entire device with a

metal screen and connect it to ground.

E. Use correct wire gauges to avoid damaging the screw connectors.

ICON 343C / 363C USER GUIDE

EN2B-0004UK07 R0304 7

Fig. 1. –Electrical wiring diagram of the ICON 343C controller

6,7:

8,9:

10,11:

12,13:

14,15:

16,17:

light output

controller power supply

compressor output

defrost output

fan output

RS485 serial line input

18:

19:

20:

21,22:

23,24:

25,26:

comms contact input

not used

door contact input

air-off probe input

evaporator probe input

air-on probe input

Fig. 2. –Electrical wiring diagram of the ICON 363C controller

1,2,3:

4,5:

6,7:

8,9:

10,11:

12,13:

14,15:

alarm output

ON / OFF output

light output

controller power supply

compressor output

defrost output

fan output

16,17:

18:

19:

20:

21,22:

23,24:

25,26:

RS485 serial line input

comms contact input

not used

door contact input

air-off probe input

evaporator probe input

air-on probe input

ICON 343C / 363C USER GUIDE

8EN2B-0004UK07 R0304

6.4. Fitting

When fitting the controller, leave enough room at the rear to avoid compressing

or excessively bending the cables. The overall instrument dimensions and

panel cut out are given in Figure 3. below.

149.5

31.5

PANEL CUTOUT

188

UUUUUUUUUU

Fig. 3.

–

Controller

–

Pane

mount

(all dimensions are expressed in mm)

12 8

SCREW FIXTURE

Note:

In order to access the screw

fixture (x2) please remove the front

facia, screw controller onto panel

and replace front facia.

WARNING

Disconnect the power supply before you

begin installing the Icon controller. Do

not reconnect the power supply until you

have completed installation.

Please be aware that the relay outputs

are live when controller is powered up.

The contacts areNOT volt free.

Disconnect the power supply before you

begin any maintenance on the Icon

controller.

ICON 343C / 363C USER GUIDE

EN2B-0004UK07 R0304 9

6.5. Probe Self Detect

The Icon 300 series has a feature that allows only the AIR-OFF

probe to be fitted. If this function is used then the controller will not

alarm on any probes that are missing.

Again, this applies to the AIR OFF probe if this is the only probe

that is fitted, and therefore the weighting parameter pair must be

set to 0%.

This function only applies from initial power up of the controller. If

both the AIR-ON and AIR-OFF probes are fitted and the AIR-ON

probe becomes faulty, then the controller will continue to function

using the AIR-OFF probe, and the power to the controller would

have to be cycled off and then on again.

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