Nvent SPECTRACOOL Manuel utilisateur

Rev. M P/N 89091002

SPECTRACOOL

Remote Access contRol

INSTRUCTION MANUAL

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TABLE OF CONTENTS

Warranty and Return Policy.............................................................................................................................................................2

INTRODUCTION ..............................................................................................................................................................................................3

ENERGIZING THE CONTROLLER...................................................................................................................................................................3

CONTROL STATUS INDICATION....................................................................................................................................................................3

DISPLAYING AND CHANGING PROGRAM VARIABLES ..............................................................................................................................4

OPERATING PARAMETERS............................................................................................................................................................................4

ALARM PARAMETERS ...................................................................................................................................................................................4

OPERATING PARAMETERS............................................................................................................................................................................5

ALARM PARAMETERS ...................................................................................................................................................................................5

OPERATING REAL-TIME CLOCK (RTC) PARAMETERS................................................................................................................................5

DISPLAYING TEMPERATURE SENSOR #2....................................................................................................................................................5

COMPRESSOR RESTART TIME DELAY .........................................................................................................................................................5

ALARM OUTPUT CONTACT...........................................................................................................................................................................5

ALARM INPUT CONNECTION........................................................................................................................................................................5

ALARM CONDITION DISPLAY .......................................................................................................................................................................5

MASTER-SLAVE CAPABILTY (OPTIONAL).....................................................................................................................................6

ALARM PARAMETERS ...................................................................................................................................................................................6

MASTER-SLAVE ALARM INPUT CONNECTION...........................................................................................................................................7

REMOTE ACCESS CONTROL ..........................................................................................................................................................7

AIR CONDITIONER UNIT COMMUNICATION FEATURES ............................................................................................................................7

USB COMMUNICATION..........................................................................................................................................................................7

ETHERNET COMMUNICATION..............................................................................................................................................................7

MASTE-SLAVE CAPABILITY (OPTIONAL).............................................................................................................................................7

USING THE PC INTERFACE TOOL .................................................................................................................................................................8

USB COMMUNICATION MODE..............................................................................................................................................................8

ETHERNET COMMUNICATION MODE..................................................................................................................................................8

1. The Hoffman A.C. Monitor.........................................................................................................................................................................9

1.1 New Features in V3.1.0....................................................................................................................................................................9

2. Installing the Hoffman A.C. Monitor.........................................................................................................................................................9

3. Running the Hoffman A.C. Monitor.........................................................................................................................................................12

3.1 Controlling the Hoffman A.C. Monitor Display.............................................................................................................................13

3.2 Displaying ACU Faults....................................................................................................................................................................14

4. Conguring the Hoffman A.C. Monitor...................................................................................................................................................15

4.1 Scanning for New Air Conditioners...............................................................................................................................................15

4.2 Manually adding an air conditioner to the conguration ............................................................................................................16

4.3 Deleting an air conditioner from the conguration......................................................................................................................19

4.4 Modifying the air conditioner settings..........................................................................................................................................20

4.5 Importing a Conguration File.......................................................................................................................................................21

4.6 Exporting a Conguration File .......................................................................................................................................................22

4.7 Changing the ACU IP Address or SNMP Community Setting.....................................................................................................23

5. Monitoring or Conguring a Single ACU.................................................................................................................................................24

5.1 Monitoring a Single ACU................................................................................................................................................................24

5.2 Conguring a Single ACU...............................................................................................................................................................24

6.1 Enabling Hoffman A.C. Monitor Auto-Start and/or Alarm File Logging ....................................................................................25

6.2 Exporting the Alarm File to Microsoft Excel.................................................................................................................................26

7. Changing the Hoffman A.C. Monitor Language ....................................................................................................................................28

7.1 Overriding the detected language setting ....................................................................................................................................28

8. Hoffman A.C. Monitor Data Logging ......................................................................................................................................................29

8.1 Conguring an ACU for Data Logging ..........................................................................................................................................29

8.2 Exporting the Sensor Data to Microsoft Excel.............................................................................................................................30

8.3 Graphing the Temperature Sensor Data in Microsoft Excel........................................................................................................31

Basic Air Conditioning Trouble Shooting Check List - Remote Access Control Version........................................................................34

Symptoms and Possible Causes - Remote Access Control Version .......................................................................................................35

NOTE: Some of the information in this manual may not apply if a special unit was ordered. If

additional drawings for a special unit are necessary, they have been inserted. Contact nVent

Electrical if further information is required.

WARRANTY AND RETURN POLICY

https://hoffman.nvent.com/en/hoffman/warranty-information

89091001 - 3 -

INTRODUCTION

The Remote Access Control is a parametric controller for the complete management of air conditioners. All

settings are pre-programmed at the factory. Cooling/heating set-points, cooling/heating differential and high /low

temperature alarm set-points can be adjusted by the user. Alarms are outputted through a relay contact and also

can be accessed through an Ethernet connection utilizing SNMP, EtherNet/IP, Modbus TCP, and PROFINET. A USB

connection is also provided and can be used to interface with the controller utilizing Modbus RTU.

MOUNTING THE CONTROLLER

The Remote Access Control must be mounted and enclosed inside a tool access enclosure. This Remote Access

Control comes with a DIN rail and a DIN rail mounting bracket; see below for DIN rail mounting dimensions. The

communication ports and alarm input/output terminals are located underneath the Remote Access Control.

When installing, allow sucient space under the Remote Access Control for access to communication ports and

alarm input/output terminals.

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89062967

ENERGIZING THE CONTROLLER

The controller is wired and programmed at the factory to be energized when power is supplied to the air

conditioner. The controller will default to the standalone operating mode when powered the rst time. Master-

Slave operating mode is optional and will require additional setup.

CONTROL STATUS INDICATION

The display has numerous symbols that indicate if the controller is heating, cooling, alarming, if the compressor

is enabled, and if the ambient fan is enabled. The 3 alpha-numeric characters further describe alarms and show

the cabinet temperature by default.

NOTE: The Slim Fit air conditioners DO NOT come standard with a heating option.

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SYMBOL COLOR ICON ON ICON FLASHING

1,2,3,4 AMBER 1. Compressor On

2. TLAN Device ID

3. Flashing at start up request is standalone mode

4. Master-Slave Mode:

1: TLAN Master.

2,3,4: TLAN Slave. Device ID 2,3,4 are not active in standalone mode

AAMBER Compressor On Active when compressor is ON

BAMBER Evaporator Fan On Start-up Request

CAMBER Not Used Not Used

DAMBER Master Unit Active when this is the TLAN Master

EAMBER Heater Active Not Used (always OFF)

FRED Alarm Active Active if there is an alarm condition

GAMBER Controller Active ON indicates power and activates all functions. OFF indicates

controller is in standby mode and all functions are OFF

HAMBER Not Used Not Used (always OFF)

NOTE: On the smart controller, the display symbols for “H” and “E” are always OFF. If they

turn ON, simply hold the “sun” button for greater than 5 sec to turn OFF. The electric

heater “E” symbol is required to minimize the heating setpoint (parameter A04) and/or defrost

setpoint (parameter A01). Then, hold the “Cooling” button for great than

5 sec to turn ON the snowflake symbol (“G”).

DISPLAYING AND CHANGING PROGRAM VARIABLES

Access: To view and/or change parameters, press and hold the Prg and Sel buttons for greater than 5 seconds.

Press the up or down arrow buttons until “22” is displayed, then press Sel button. When “S-P” is displayed, press

Sel.

Navigation: Press up or down arrows to display sub-menus then press Sel to select the desired sub-menu. In the

sub-menu, use up or down arrows to display parameters for viewing or changing and press Sel. Use Prg button to

back out of menu levels as desired.

Adjust: Use the up or down arrows to change the parameter value then push Sel to save that setting. If Sel is not

pressed, the change to the value will not be saved. Navigate to and change other parameters as desired. When

nished, push Prg to back out of the sub-menus to the main menu.

NOTE: The display will revert to normal temperature display mode if no buttons are pressed

for 60 seconds.

MODELS WITH °C CONTROLLER

Cooling turns ON at r01 (setpoint) and OFF at r01 (setpoint) – r02 (differential).

For example, using default values form the table below, cooling will turn ON at 35°C (setpoint) and turn

OFF at 30°C (setpoint – differential).

OPERATING PARAMETERS

Parameter Description Default Value Range

r01 Cooling set-point 35 C 20 C to 55 C

r02 Cooling differential 5 C -

P08 Door Open and/or smoke detected 28 4 or 28

ALARM PARAMETERS

Parameter Description Default Value Range

P16 High Temperature Alarm 55 C -

P19 Low Temperature Alarm 14 C -

89091001 - 5 -

MODELS WITH °F CONTROLLER

Cooling turns ON at r01 (setpoint) + r02 (differential), and OFF at r01 (setpoint).

For example, using default values form the table below, cooling will turn ON at 87°F (setpoint +

differential), and turn OFF at 80°C (setpoint).

OPERATING PARAMETERS

Parameter Description Default Value Range

r01 Cooling set-point 80 F 72 F to 120 F

r02 Cooling differential 7 F -

P08 Door Open and/or smoke detected 28 4 or 28

ALARM PARAMETERS

Parameter Description Default Value Range

P16 High Temperature Alarm 125 F -

P19 Low Temperature Alarm 40 F -

OPERATING REAL-TIME CLOCK (RTC) PARAMETERS

Parameter Description Default Value Range

t01 Hour 00 to 23

t02 Minute 00 to 59

t03 Day 11 to 31

t04 Month 11 to 12

t05 Year 33 to 99

DISPLAYING TEMPERATURE SENSOR #2

Both the air inlet sensor (b01) and outlet or evaporator coil sensor (b02) can be reviewed at any time by

pressing the up and down arrow button on the front panel of the controller display. The display will revert to the

temperature sensor number b01 (air inlet temperature) or b02 (air outlet temperature) after 60 seconds. Both

sensors can also be read through the Ethernet and USB connections with optional remote access communication

board.

COMPRESSOR RESTART TIME DELAY

A factory set 5 minute (360 second) restart delay exists to reduce residual back pressure before allowing the

compressor to restart. The compressor will stay off for the entire restart duration after the compressor is

disabled. A ashing “1” on the controller display will indicate the unit is in a compressor restart delay while calling

for cooling. If the delay time is reduced to less than 5 minutes, this may cause reduced compressor life.

ALARM OUTPUT CONTACT

The smart controller has a normally open dry contact alarm output with a resistive load rating of 250 VAC to

3 Amp. The 6-POS connector terminals 3 and 4 (marked YEL/ALARM) located on the enclosure side of the

unit provides a connection to this output. The optional Remote Access Communication board can accept this

normally open dry contact alarm from the smart controller..

ALARM INPUT CONNECTION

The smart controller can accept a dry contact/switch input via the 6-POS connector terminals 1 and 2 (marked

WHT/DS1 and WHT/DS2), located on the enclosure side of the unit. This input is associated with the controller

display alarm mnemonic “tP” (door open and/or smoke detected). Note that the door open and/or smoke

detected is pre-programmed at the factory as “Normally Open”. The optional Remote Access Communication

board can accept this door open and/or smoke detected alarm from the smart controller. To use this feature,

simply connect the customer supplied wires from the cabinet door switch to DS1 and DS2 terminals.

ALARM CONDITION DISPLAY

There are eleven possible non-latching alarm conditions detectable by the controller and are indicated on the

controller display. All alarms can also be accessed through the Ethernet and USB connections with the optional

remote access communication board.

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Alarm

Mnemonic Description Cause Result Alarm Relay

tP General Alarm Door open and/or smoke detected Unit turns OFF for duration

of alarm Relay Contact closed

LA High Pressure Warning MALF high pressure switch opens

(see note 3 below) No effect on function N/A

LP Low Pressure Alarm Low pressure switch open (see note

4 below) No effect on function Relay Contact closed

E1 Air Inlet Temperature Sensor

Alarm Sensor failure See note 1 below Relay Contact closed

E2 Air Outlet Temperature

Sensor Alarm Sensor failure See note 2 below Relay Contact closed

Ht High Temperature Alarm,

default = 55°C

Air inlet temperature greater than

55°C No effect on function Relay Contact closed

Lt Low Temperature Alarm,

default = 14°C Air inlet temperature less than 14°C No effect on function N/A

A1 Frost Alarm Air outlet temperature less than or

equal to -1.0°C

Compressor and Condenser

fan OFF for duration of alarm Relay Contact closed

HP/HP1 High Pressure Serious Alarm High pressure switch open (see

note 5 below)

Unit turns OFF for duration

of alarm Relay Contact closed

LC Lost Communication Alarm

The Master cannot communicate

with any Slave, or the Slave cannot

communicate with the Master

No effect on function. Unit

will enter standalone mode N/A

LC1 Lost Communication Alarm The Master cannot communicate

with one of the Slaves

No effect on function. Unit

will enter standalone mode N/A

NOTE 1: Air inlet temperature sensor will default to air outlet temperature sensor. Cooling setpoint

default to 10°C.

NOTE 2: Unit continues to operate without evaporator freeze protection.

NOTE 3: The MALF high pressure switch is optional.

NOTE 4: The Low Pressure switch is optional.

NOTE 5: The High Pressure (HP) or High Pressure Serious (HP1) switch is optional.

MASTER-SLAVE CAPABILTY (OPTIONAL)

The Master-Slave capability is included as standard and can accommodate up to four (4) air conditioners in a single cabinet.

In the Master-Slave operating mode, there is a delay period of 20 seconds between startup of each unit during the startup.

For example, the master unit number 1 starts rst, unit number 2 will start after 20 seconds, followed by unit 3 and another

20 seconds, and so on.

Note the controller default operating mode is single or standalone. To initiate the Master-Slave operating mode,

parameters H24 and H25 require reconfiguration as described below. TLAN communication and Door Open cables

are also required to interconnect the air conditioners.

• Connect the door open and/or smoke detected harness to the DS1 and DS2 terminals on the enclosure side of the air conditioner

unit in parallel. The maximum length of the door switch harness between two air conditioners is 3.33 meter (10 feet). This

harness is NOT included with the Master-Slave option. It is offered separately as an accessory.

• Connect the TLAN harness to the MS1 and MS2 terminals on the enclosure side of the air conditioner unit in parallel. The

maximum length of the TLAN communication cable is 10 meters (30 feet) and 3.33 meters (10 feet) between the two air

conditioners. This harness is NOT included with Master-Slave option. It is offered separately as an accessory.

• Select one of the units in the group to be the master unit. This is indicated unit number 1

• Select the slave units, numbers 2, 3 and 4 in sequence.

ALARM PARAMETERS

Parameter Description Default Value Range

h24 Device unit ID 00 to 4

h25 Number of units 42 to 4

NOTE 6: To initiate Master-Slave operating mode, set parameter h24 (device unit ID) of master unit to 1. Set

parameter h24 of slave units as applicable. Set parameter h24 (unit number 2) to 2, set parameter h24 (unit number

3) to 3, and set parameter h24 (unit number 4) to 4.

NOTE 7: Set parameter h25 (number of units) of each unit to the same value, for example, h25 = 2 if only two units

are connected in a group, h25 = 3 if three units are in a group and h25 = 4 if four units are in a group.

89091001 - 7 -

MASTER-SLAVE ALARM INPUT CONNECTION

The smart controller can accept a TLAN communication via the 6-POS connector terminals 5 and 6 marked MS1

and MS2 located on the enclosure side of the unit. This TLAN communication is associated with the controller

display alarm “LC” and “LC1”, lost communication.

To use the TLAN communication feature, simple connect the TLAN harness to MS1 and MS2 terminals and to

MS1 and MS2 of each unit in parallel.

REMOTE ACCESS CONTROL

AIR CONDITIONER UNIT COMMUNICATION FEATURES

An optional communication board offers capabilities that include Pronet, EtherNet/IP, Modbus TCP, and SNMP

protocols through Ethernet and Modbus RTU protocol via USB. Hoffman® Cooling has a PC Interface Tool

available for download that can utilize either mode to communicate with the air conditioner unit.

USB COMMUNICATION

This communication mode allows direct connection of a PC to the air conditioner unit. The protocol

supported is Modbus RTU. Use the PC Interface Tool to communicate with the air conditioner unit. A

MINI-b USB connection is provided.

ETHERNET COMMUNICATION

This communication mode allows remote connection to the air conditioner unit using SNMP, Modbus

TCP, EtherNet/IP, and Pronet protocols. Customers using their own software can download a MIB le for

SNMP, Coil_Register le for Modbus TCP, EDS le or EtherNet_IP Object le for EtherNet/IP, and GSDML

le for Pronet.

NOTE: ACU has a default IP Address of 192.168.1.2

Both Ethernet and USB communication modes allow the ability to:

• Read ACU inlet and outlet air temperatures

• Read and change Cooling Set-point and Cooling Differential

• Read and change Heating Set-point, Heating Differential

• Read and change High and Low Temperature Alarm Settings

• Read and change Gateway IP Address, Device IP Address, Subnet Mask, Trap IP Address and Community

• Read and change Unit Identication

• Read and change the state of IP addressing (static or dynamic)

• Read current Alarm Status

• Read MAC Address

• Read and change the door open and/or smoke detected switch polarity

SOFTWARE AND CONFIGURATION FILE DOWNLOADS

The PC Interface Tool, MIB le, EDS le, EtherNet_IP Object le and Coil_Register le can be downloaded

from www.nventprotect.com.

MASTE-SLAVE CAPABILITY (OPTIONAL)

In the master-slave application, only one Remote Access Communication board is required. All alarms

are communicated through the TLAN serial connection, except the door open and/or smoke detected

alarm. Door open and/or smoke detected switch polarity can be remotely changed from Normally Open to

Normally Close if needed.

Note that if the door open and/or smoke detected harness is not used, and the door switch is

wired to only one of the units, for instance, the master unit. If the power of the master unit is

OFF, the slave units will NOT detect the door open alarm and they will continue operating in

standalone mode even if the door is open.

SOFTWARE AND CONFIGURATION FILE DOWNLOADS

The PC Interface Tool, MIB le, Coil_Register le, EDS le or EtherNet_IP Object le, and GSDML le can be

downloaded from http://www.nventprotect.com/en/na/Product-Enclosure-Cooling-Heating

- 8 -

USING THE PC INTERFACE TOOL

The PC Interface Tool gives the user the ability to communicate with the air conditioner unit to read/write

parameters using either Ethernet or USB connections.

USB COMMUNICATION MODE

NOTE: Before connecting unit to the PC, make note of the comm ports present. After the unit

is connected to the PC, a new comm port will be added to the list. Use this new comm port.

• From Tools menu select Use Ethernet

• When Use Ethernet is unchecked, then Comm Port menu is enabled, Device IP and Community boxes are not

shown, and USB communication can be used

• To set the comm port, choose Comm Port from the Tools menu and then select the comm port from the combo box

VIEWING AIR CONDITIONER UNIT VALUES

To view Air Conditioner Unit values

• Select the ACU Values tab

• Select the Enable Comm button (the PC Interface will now be communicating with unit)

• To stop communication select the Disable Comm button

CHANGING AIR CONDITIONER UNIT VALUES

To change ACU Values

• Select the Settings tab

• Select the value to change

• Make the change to the value

• Select the Change Setting button

• Change can be veried in ACU Values tab

VIEWING AND CHANGING ETHERNET INFORMATION

To view and change Ethernet Information

• Select Ethernet Info tab

To view Ethernet Information

• Click Read Ethernet Info button

To change to dynamically assigning IP Address Mode

• Check Use DHCP Server checkbox

• Enter Trap IP Address and Community

• Click Load Ethernet Info button

To change to statically assigning IP Address Mode

• Uncheck Use DHCP Server checkbox

• Enter Device IP Address, Subnet Mask, Gateway IP Address, Trap IP Address and Community

• Click Load Ethernet Info button

ETHERNET COMMUNICATION MODE

Each unit has two community strings. One is a Read/Write community string (defaulted to

‘private’) that can be changed by the customer (must be 4 to 8 characters long). The other is a

Read-Only community string (‘public’) and cannot be changed.

89091001 - 9 -

1. The Hoffman A.C. Monitor

The Hoffman A.C. Monitor is a Windows®application for the complete management of Hoffman

air conditioners. The initial air conditioner settings; cooling/heating set-points, cooling/heating

differential and high/low temperature alarm set-points are pre-programmed at the factory, but

can be locally or remotely adjusted by the user. Alarms are output from the air conditioner relay

contacts and also can be accessed through an Ethernet network connection. A USB serial

connection is provided on the air conditioner to congure the network interface and air conditioner

settings before it is connected to a network.

Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries.

When a Commboard is installed in a Hoffman air conditioner, it can communicate with an external

computer or PLC using the SNMP, EtherNet/IP, Modbus TCP, and PROFINET protocols.

1.1 New Features in V3.1.0

• Support for Master-Slave ACU congurations, with one Master ACU and up to three slave ACUs.

• Support for conguring the polarity of the door open/smoke detected switch with Control rmware version

11 or newer.

• Added support for the Mexican Spanish language

2. Installing the Hoffman A.C. Monitor

Note: If you are upgrading from V3.0.3 or V3.0.4 to V3.0.5, the location where configuration

files are stored has changed. You should follow the procedure in 4.6 Exporting a Configuration

File on page 22 to export the configuration file to a local directory, upgrade the application,

and then follow the procedure in 4.5 Importing a Configuration File on page 21 to import the

original configuration file.

• Unzip the Hoffman A.C. Monitor 3.1.0 Setup.zip le into a temporary directory.

• Double click on the Hoffman A.C. Monitor 3.1.0 Setup.exe le to start the installation process.

• Click on the “Next” button when the installation window opens.

- 10 -

• If the default installation directory is OK click the “Next” button.

• By default, the installation will put the User’s Manual and the Serial USB driver in the C:\Users\<your userid>\

Documents\Hoffman directory. If you don’t want the User’s Manual, uncheck the box. If it is OK, click the “Next”

button.

• If the default Start Menu folder “Hoffman” is OK, click the “Next” button.

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