SEELEY INTERNATIONAL Multi-Magic Manuale utente

USER MANUAL

MULTI-MAGIC WALL CONTROLLER

Original English Instructions

ILL2468-A

MULTI-MAGIC WALL CONTROLLER USER MANUAL 859731-E |1

TABLE OF CONTENTS

OVERVIEW 2

COOLER MODELS 2

KIT CONTENTS 2

SPECIFICATIONS 2

QUICK START 3

24Vdc POWER AND RS 485 MODBUS COMMUNICATIONS WIRING 3

MAIN SCREEN LAYOUT 4

RS 485 MODBUS NETWORK SETUP - FIRST TIME USE 4

PHYSICAL DESCRIPTION & MOUNTING 5

WALL CONTROLLER INSTALLATION INSTRUCTIONS 6

CONNECTING 7

COMMUNICATION CABLE SPECIFICATION 7

WIRING REQUIREMENTS 7

POWER 8

TERMINATING RESISTOR 9

OPERATION SCREENS 10

MAIN MENU 10

COOL MODE (MANUAL SPEED CONTROL) 11

COOL MODE (AUTOMATIC SPEED CONTROL) 12

VENT MODE 13

PROGRAM MODE 14

EDIT THE 7-DAY PROGRAM 15

SETTING SCREENS 16

MENU 16

TIME AND DATE 17

LANGUAGE 17

SECURITY LOCK 18

TEMPERATURE UNITS 18

CONFIGURATION SCREENS 19

MENU 19

AUTO-RESTART 19

ROOM SENSORS 19

AMBIENT SENSORS 19

MINIMUM - MAXIMUM FAN SPEED LIMITS 20

MODBUS RS 485 NETWORK SETUP 21

DEVICE MONITOR SCREENS 22

MENU 22

COOLER MONITOR 23

FAULT HISTORY 23

COOLER FAULTS AND TROUBLESHOOTING 25

FAULT SCREEN DISPLAY 25

FAULT CODE DESCRIPTIONS 26

OTHER POTENTIAL PROBLEMS 27

APPENDIX - EXAMPLE WIRING SCHEMATIC 28

2 |859731-E

OVERVIEW

COOLER MODELS

The Wall Controller is compatible with CW-H and CW-80 coolers with Multi-Magic controls

These instructions are to be read in conjunction with the Installation and Operation and

Maintenance literature supplied with the coolers.

KIT CONTENTS

SPECIFICATIONS

General

Power supply 24 V AC/DC +/-10 %

Power consumption 3.2 VA 1.3 W max

Degree of Protection IP20

Mounting Vertical Wall, Surface Mount

Ambient operating Temperature 0 to 50 oC (32 to 122 oF)

Ambient operating humidity (non-condensing) 0 to 75%

Ambient storage temperature -30 to 50 oC (-22 to 122 oF)

Ambient storage humidity (non-condensing) 0 to 75%

Embedded Temperature Sensor Characteristics

Type 10 k NTC type 2 thermistor

Resolution +/- 0.1 oC (+/- 0.2 oF)

Measurement range -40 to +50 oC (-40 to +122 oF)

Accuracy +/- 0.5 oC (+/- 0.9 oF) at 21 oC (70 oF)

typical calibration

Embedded Humidity Sensors Characteristics

Type and calibration Single point calibrated bulk polymer

Precision Reading range from 10 to 90% R.H. non-condensing

10 to 20 % precision: 10%

20 to 80 % precision: 5%

80 to 90 % precision: 10%

Stability Less than 1.0% yearly (typical drift)

Communication

Type RS 485 Modbus Client

Maximum of number of Modbus Server devices 15

ITEM IMAGE ITEM IMAGE

Multi-Magic

Wall Controller

Isolating Screw

MODBUS 120Ω

Terminating

Resistor

Instructions

ITEM 1 ITEM 2

ILL2425-A

MULTI-MAGIC WALL CONTROLLER USER MANUAL 859731-E |3

24 V AC/DC POWER AND RS 485 MODBUS COMMUNICATIONS WIRING

120

ILL3630-B

RS 485 -

RS 485 +

GND

ILL3630-B

QUICK START

WALL CONTROLLER

CW-H COOLER

ILL3879-AILL3631-E

CW-80 COOLER

4 |859731-E

ILL3632-A

INTERNAL

TEMPERATURE /

HUMIDITY

TIME

ON - OFF

COOL MODE

VENT MODE

PROGRAM MODE

SETTINGS

DATE

MAIN SCREEN LAYOUT

ILL3632-B

RS 485 MODBUS NETWORK SETUP - FIRST TIME USE

IMPORTANT - The Multi-Magic Wall Controller can control up to 15 CW-H and/or CW-80 coolers.

Ensure each cooler is powered up and has a unique node address set. Refer to installation

literature provided with the cooler for setup instructions.

Enter SETTINGS – CONFIGURATION – NETWORK menu

ILL3633-D

List shows all detected coolers.

Press EDIT to scan network and detect coolers.

Press SAVE to commit detected coolers to Wall Controller memory.

QUICK START

DATE TIME

ON OFF

COOL MODE

VENT MODE INTERNAL

TEMPERATURE /

HUMIDITY

PROGRAM MODE

SETTINGS

EDIT SAVE

MULTI-MAGIC WALL CONTROLLER USER MANUAL 859731-E |5

ILL3672-A

Number Description

1Colour touchscreen

2Power supply connector

3RS 485 Modbus connector

4Holes for temperature and humidity measurement

The Multi-Magic Wall Controller should be placed indoors, approximately 1.5 metres (5’) above the

oor, in the same zone in which cooling is required. Placement is critical for correct functioning of

the temperature and humidity sensors inside the Controller.

The following points must be taken into consideration:

• Avoid direct sunlight exposure.

• Avoid mounting on external walls.

• Avoid mounting the wall controller near heat sources such as stoves and televisions.

• Do not locate in the direct airow of the duct outlets.

• Do not locate in strong drafts or in dead spots such as cupboards/drawers.

• Always seal the wall cable entry hole.

• Avoid blocking or restricting the vent holes located on the underside of the Wall Controller, as

this is where the sensors are located. Important! Drafts within the wall cavity can impact the

temperature and humidity reading of the wall control. We recommend that the cable access

hole be sealed, but in such a way that the cable can still retreat into the wall cavity.

• The Wall Controller shall be mounted vertically.

PHYSICAL DESCRIPTION & MOUNTING

WALL CONTROLLER DIMENSIONS AND SETUP NOTES

ILL3672-A

6 |859731-E

ILL3670-A

Step Action

1 Open unit by pulling on bottom side of the display (1)

2 Ensure correct side of base faces up

3 Pull cables 150 mm (5.90 in.) out from wall

4 Align base and mark location of two mounting holes on wall or panel (2)

CAUTION!

Always make sure there are no electrical cables, gas or water pipes, or the like, behind

where you intend to drill.

5 Install anchors (NOT INCLUDED) in wall (3)

6 Insert cable in central hole of base

7 Place rear cover on the wall and align it with mounting holes (4)

8 Insert screws (NOT INCLUDED) in mounting holes on each side of base (5)

9 Insert POWER and CONTROL wiring according to wiring chart

10 Gently push excess wiring back into hole

11 Gently align cover to top of base and snap in place from bottom (6)

12 Install the isolated screw connection for securing the plastic housing (7)

PHYSICAL DESCRIPTION & MOUNTING

WALL CONTROLLER INSTALLATION INSTRUCTIONS

ILL3671-A

ILL3670-A

MULTI-MAGIC WALL CONTROLLER USER MANUAL 859731-E |7

ILL3669-A

CONNECTING

mm2

AWG

0.28

0.2...2.5

24...14 24...14 22...14

0.5...0.6

4.42...5.31

22...14 2x 24...18 2x 24...16

2x 22...18 2x 20...16

0.2...2.5 0.25...2.5 0.25...2.5 2x 0.2...1 2x 0.2...1.5

2x 0.25...1 2x 0.5...1.5

in.

N/m

Ø3.5mm (0.14in)

lb/in

COMMUNICATION CABLE SPECIFICATION

• Suitable for Modbus RS 485 applications

• Minimum 1 twisted pair (TP) and a third conductor

• Copper Conductors

• 0.5 mm2/ AWG 20

• Braided Shield with Drain Wire

• Characteristic impedance 120Ω

• Nominal capacity between conductors 89 pF/m

• Nominal capacity between conductors and shielding 161 pF/m

Use the twisted pair for the ‘+’ and ‘-‘ signal terminals. Use the 3rd conductor for the signal GND

terminals. Attach the braided shield / drain wire to the EARTH terminal at one end only.

ILL3705-A

WIRING REQUIREMENTS

• Communication wiring must be kept separate from AC power wiring.

• Always route communication cables at least 300mm (12”) away from high voltage cables and

high-power machines.

• Crossover high power cables at right angles.

• Maximum cable length to the rst cooler is 100m.

• Maximum cable length between each cooler is 100m.

Note: Non-shielded cables are not protected against electromagnet interference which can cause

signal degradation.

Attach the 120Ω resistor (supplied with Wall Controller) between the "+" and "-" terminals of

the Wall Controller

Attach the 120Ω resistor (supplied with Multi-Magic coolers) between the "+" and "-"

terminals of the last cooler on the RS 485 Modbus network.

Do not t the 120Ω resistor to coolers installed between the Wall Controller and the last cooler..

See Appendix for example wiring schematics

8 |859731-E

POWER

Characteristic Specication

Power supply 24 V AC/DC +/-10 %

Power consumption 3.2 VA 1.3 W max

Fuse Recommendation (not included) Type T 500mA

The Multi-Magic Wall Controller can be powered by either a cooler on the network or a dedicated

power supply.

Note: Should a networked cooler be used for providing power, turning power o󰀨 the cooler will

prevent the Wall Controller from controlling the remaining coolers on the network.

Use proper wire sizes to meet voltage and current requirements and use copper conductors.

If using a dedicated power supply, it must be rated Safety Extra Low Voltage (SELV) according to

IEC 61140. These sources of power are isolated between the electrical input and output circuits of

the power supply as well as simple separation from ground (earth), PELV, and other SELV systems.

CONNECTING

ILL3637-A

WALL CONTROLLER

CW-H COOLER

+24V AC/DC

0Vdc

ILL3639-C

CW-80 COOLER

ILL3880-A

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