Condair 2538480-C LINKS2 NHRS, NHDI, NHSC Owner's manual

Brand: Condair

Model: 2538480-C LINKS2 NHRS, NHDI, NHSC

Category: Gateways/controllers

Type: Owner's manual

LINKS 2

NHRS/DI/SC

Installation and

Operation Manual

Includes installation, operation

maintenance and troubleshooting

information for your NHTC Nortec

Links2 Options.

Important: Read and save these instructions. This guide to be left with equipment.

2538480-C | 21 FEB 2012

Thank you for choosing NORTEC.

Proprietary Notice

This document and the information disclosed herein are proprietary data of Nortec Humidity Ltd. Neither this

document nor the information contained herein shall be reproduced used, or disclosed to others without the

written authorization of Nortec Humidity Ltd., except to the extent required for installation or maintenance of

recipient’s equipment.

Liability Notice

Nortec does not accept any liability for installations of humidity equipment installed by unqualified personnel or

the use of parts/components/equipment that are not authorized or approved by Nortec.

INSTALLATION DATE (MM/DD/YYYY)

MODEL #

SERIAL #

Contents

1 Installation

1 Overview

1 Bracket Installation

2 Retrofit Insallation of a NHRS

Links 2 Package

3 Mount the Links 2 Assembly

4 Wiring the Nortec Links 2 Module

9 Multi-Unit Systems (Master /

Slave)

9 Wiring

11 Network Integration

12 Retrieving XIF File Instructions

15 Variable Definition

26 Startup Check List

27 Troubleshooting

27 Indicator Lights

32 Replacement Parts

36 Wiring Diagrams

Installation | 1

Overview

The NHRS Nortec Links2 Option allows for the integration of a NHRS Series humidifier within a

BACnet, Johnson N2 or LonWorks network and allows those units to be concurrently monitored via

the Nortec OnLine interface. This option features a Nortec OnLine module co-existing with a

gateway that has the capability of converting information from the host Modbus protocol to a

specified secondary protocol.

The following protocol options are available, and must be specified at time of order:

Table 1: Protocol Options

Protocol

BACnet MS/TP

BACnet / IP

Johnson N2

LonWorks

The Nortec Links2 package also includes Nortec OnLine. Nortec OnLine is an advanced web

monitoring package that allows authorized users to remotely monitor humidifier status and

performance from anywhere with an internet connection. Nortec OnLine is available with an

optional service that, among other things, includes factory technicians monitoring the units

weekly. Even if the OnLine service is not ordered, the units can still be connected to an viewed

online at www.norteconline.com For information specifically related to Nortec OnLine consult the

accompanying OnLine manual or your local representative.

Bracket Installation

Links2 can be factory installed inside of the humidifier if the package is included at time of order.

If this is the case, skip ahead through his section.

Links2 can also be retrofit to existing units. The following section explains how to install the

Links2 bracket inside of the humidifier.

2 | Installation

Retrofit Installation of a NHRS Links2 Package

BACNET, LONWORKS And N2 Modules:

Figure 1. Component Identification

LAN Router

or Switch

OnLine

Module

LINKS 2

Module

Router Power

Supply

Installation | 3

Mount The Links2 Assembly

The Nortec Links2 assembly mounts on the top, right corner of the electrical compartment.

Ensure that the rear, upwards facing hook engages the proper cooling louver at the back of the

humidifier cabinet.

1. Fasten the bracket assembly to the humidifier ‘top’ using the 3 8-32 X ½” self-tapping screws

provided with the kit.

Figure 2. Hook Position

Figure 3. Assembly Mounting Location

Hook

Position

Screw

Locations

4 | Installation

Wiring The Nortec Links2 Module

Most of the wiring connections for the new Nortec Links2 module will have already been finished

at the factory, however, there is an additional Logic Card that must be installed. Refer the LINKs 2

wiring diagram included in the package for added details.

Module Power Connections

There will be a wire harness provided that will consist of a red and blue wire. Both red and blue

wires are terminated ring terminals. Cut the terminals off and strip off 1/8” insulation on the end.

1. The red wire is to be connected to the left side of contact #1 (24v) on the main terminal strip.

The blue wire is to be connected to the left side of contact #3 (ground) on the main terminal

strip.

Figure 4. Humidifier Main Terminal Strip

Installation | 5

Humidifier Communication Connection

1. Locate the main PCB board inside the humidifier

2. Connect the 10 pin end of ribbon cable to the COM port.

Figure 5. COM Port

3. Route the ribbon cable through the punch out on the humidifiers front electrical panel

Figure 6. Routing Ribbon Cable

6 | Installation

4. Connect the ribbon cable 20 pin side to the Logic Card.

Figure 7. 20 Pin connection for Ribbon Cable

5. Configured dipswitch settings according to MODE1 printed on card (485<>TTL)

Figure 8. Dipswitch settings for Logic Card

20 pin connection

Installation | 7

6. Route the RJ-11 cable through the same punch out as the ribbon cable and connect it to the

corresponding jack on the logic card

Figure 9. RJ-11 Jack Location on Logic Card

7. Mount logic card with nylon standoffs and screws to humidifier using the 4 pre-drilled holes

Figure 10. Pre Drilled Holes for Logic Card

8 | Installation

Configuring The Humidifiers

1. Since Nortec Links2 can connect to a maximum of 8 units, it will be necessary to set the unit

address for each humidifier. The lead unit can be determined by the presence of the Links

module. The slave humidifiers can be given a unit address according to the number the unit

will have on the networked chain.

2. To access the menu settings, press the Up and Down arrows at the same time

3. Scroll up or down to find the Modbus heading

4. Set the appropriate Modbus address according to the unit ordering.

5. Place the appropriate Unit Identifier label on each humidifier. These labels should be placed

on the unit where the electrical control punch-outs are located at the top of the humidifier.

6. Connect the slave humidifiers (if applicable) to the Nortec Links Module. A twisted pair cable

should be used so that the Net (+) terminal on the Links2 module should connect to the Net

(+) terminal on the slave unit. The Net (–) terminal on the module should be connected to the

Net (–) terminal on the slave unit. Refer to the Links2 wiring diagram for more information.

7. Ensure shield wiring matches the following pattern if distance between humidifiers is

significant:

Installation | 9

Multi-Unit Systems (“Master/Slave”)

Up to 8 humidifiers can be chained and monitored through a single Links2 package. In this

configuration, the unit with the Links2 package is designated the “Master Unit”, while the

remaining 7 humidifiers are configured as “Slaves”. The master unit is connected to the Building

Management Systems (BMS). Each unit is separately addressed, it is possible to monitor and

control each unit individually.

Different networking configurations may be achieved depending on the type of network being

used. One networking example could have a Gateway installed inside the lead unit, which could

then be daisy-chained to successive units. In turn, the lead unit would connect to a Building

Management System (BMS) network via a shielded, twisted-pair connection. Please see wiring

section for additional detail. A second example could have a series of units directly connected to

an Ethernet network. This is only possible for BACnet communication and is essentially referred to

as a BACnet/IP configuration.

Wiring

BACnet MS/TP, Johnson N2, and LonWorks

Links 2 is pre-installed and factory wired. Connections must be made between the master

humidifier and the BMS, and the master humidifier and any slaves that may be present.

Connections to the BMS are through terminals A and B on the Links 2 terminal strip for BACnet

MS/TP, Johnson N2, and LonWorks. The shields should also be connected. Refer to the wiring

diagrams in this manual.

Table 2 refers to the recommended wire types and maximum recommended lengths from the

Nortec Links2 module to the Building Management system. Communication between the

humidifiers and Nortec Links2 will occur via a EIA-485 signal type. Nortec recommends using a

18-24 AWG shielded, 120  twisted pair wire between the lead humidifier and each of the slave

humidifiers. Total cable length runs between the Nortec Links2 module and the furthest slave

humidifier should not exceed 2,000 feet. Signal boosters or repeaters may be necessary for

longer wire runs or where electrical noise interference is prevalent.

Table 2: Recommended Wire Types and Lengths

Protocol

Signal

Type

Polarity

Recommended

Cable

Maximum Recommended

Distance from NORTEC

Module

BACnet MS/TP

EIA-485,

2-wire

Net +

Net -

18-24 AWG

Shielded, Twisted

Pair

120  Impedance

2000 ft

Johnson N2

LonWorks

FTT-10

2-wire

18-24 AWG

Twisted Pair

120  Impedance

Should not exceed 50 ft.

BACnet/IP

LAN

standard

N/A

CAT.5E cable with

RJ-45 termination

Depends on cable

manufacturer

10 | Installation

BACnet/IP

A standard CAT-5E cable with an RJ-45 (Ethernet) jack is to be connected to port 3,4, or 5 on the

gateway. Refer to wiring diagrams in this manual.

Cable Shielding

The cable’s shield should be connected to the shield terminal at the BMS system only, and not the

Links 2 module.

As well the cable shield should be connected at the lead unit only and not at subsequent units.

For long chains the shield would appear as:

Unit 2 to Master - Shield connected at master only.

Unit 3 to Unit 2 - Shield connected at unit 2 only.

Unit 4 to Unit 3 - Shield connected at unit 3 only.

And so forth.

Gateway Configuration

Links2 is configured for each protocol at the factory, prior to final testing. Baud rates are adjusted

to the following values by default:

Table 3: Baud Rates

Protocol

Default Baud Rates

BACnet MS/TP

38.4 kbps

BACnet / IP

10BaseT

Johnson N2

9.6 kbps

LonWorks

38.4 kbps

Links2 packages require network addresses in order to communicate with a BMS system. In most

cases addresses information is factory configured during final testing. If the humidifiers were

ordered before BMS address information was available, Links2 would be figured to a default

address. Please contact the factory for the configuration tools to allow field modification of the

address parameters.

Installation | 11

Network Integration

LonWorks.xif file

To facilitate the integration of a LonWorks unit within a network, it may be desirable to obtain an

External Interface File (XIF). Files of type .xif are used to convey the resources, specific objects

and data types which a LonWorks device possesses. The .xif file allows a network integrator to

simulate the presence of a networked humidifier even if it is not yet physically connected to the

network. In fact, if the integrator has the .xif files of all network devices, a complete system could

be simulated and configured off-line. Once the configuration is done, the integrator's software tool

can be connected to the actual system and the configuration information can be downloaded.

12 | Installation

Retrieving XIF File instructions

The XIF file can be retrieved directly from the Links package. A Windows based laptop and an

Ethernet cable are required for this process. This process requires the “Remote User Interface”

tool from Fieldserver. It is available by visiting http://fieldserver.com/techsupport/utility/utility.php and

downloading the “Utility” software:

Once this software has been installed, follow the following procedure:

1. Locate desired MASTER humidifier that contains the Links package. Ensure unit is powered

on and remove the panel on the RIGHT side of the humidifier. Locate the Links package inside

of the unit.

2. For Links2 packages (with the blue ZONET router), connect one end of the CAT5 cable to the

router in an available port (ports 3 or 4 should be free) NOTE: Do NOT plug into the “WAN”

port.

3. Connect other end of CAT5 cable to the Ethernet port on the laptop.

Installation | 13

4. Run the “Remote User Interface” utility by double clicking the shortcut on your desktop (or

Start>Programs>Fieldserver Utilities>Remote User Interface)

5. The program should automatically recognize connected humidifier and bring you to the “Main

Menu”. If it does not, contact Nortec Technical Services at the number on the back cover of

this manual.

6. Type “u” for upload.

7. Type “o” for other. (A warning will appear, press any key to continue.)

8. Type “r” for remote.

9. Enter “fserver.xif”’ and hit the ‘enter’ key.

10. Type “u” to initiate upload from the gateway to the laptop.

11. The .xif file will be saved in the folder “Configuration File Folder” located at

Start>Programs>Fieldserver Utilities>Configuration File Folder.

12. Type ‘q’ twice to exit out of the program

13. Locate file in Configuration File Folder and change name to corresponding humidifier, (ex,

“fserverH1.xif” for Humidifier 1)

14. Repeat this procedure for all Master humidifiers changing the name of the .xif once saved to

correspond with the tag of the appropriate humidifier.

BACnet Pics and Bibs

The Protocol Implementation Conformance Statement or “PICS” describes the BACnet capabilities

of a particular BACnet implementation. It is a written document, created by the manufacturer of a

device, which identifies the particular options specified by BACnet that are implemented in the

device.

BACnet Interoperability Building Blocks (BIBBs) describe a list of services a BACnet device

provides. The main areas that the building blocks are concerned with include: data sharing,

trends, schedules, device and system management. BIBBs help specify the interoperability

capabilities of a BACnet device. Please contact the factory to obtain a PICS statement or BIBBs

profile.

Nortec OnLine

Firewall Port 5222 must be open to TCP traffic in order for NORTEC OnLine to communicate

properly.

14 | Installation

Variable Definition

In the variable name, “_x” denotes the humidifier number. If there is only one humidifier, all

variable names will end in “_1”. If two units are networked together, see Figure 4, the second

unit’s variable names will end in “_2”. For 3 networked units, “_3” and so on. If unsure of the unit

number, each unit will have a label, in the electrical compartment close to the terminal strip,

indicating the device instance of each humidifier.

Nortec Links2 is capable of communicating a variety of variables for each unit that is connected to

it. For a variable listing and definition refer to Table 4. Network variable addresses for the

humidifiers may be seen in Table 5 to Table 12.

Installation | 15

Table 4: Variable Definitions

Variable Name

Description

Type

Range

Unit

R/W

Details

nviRHDem_x

Write RH or

Demand signal value

to humidifier

Analog

Value

0 - 100

Write

Requires network controls

(nviNetSensor = 1)

nviSet_x

Writes the desired

space setpoint when

using sensor controls

Analog

Value

30 - 95

Write

Use only when sending RH

value to RHDem

nviCapLimit_x

Set a manual

capacity restriction

for the humidifier

Analog

Value

50 - 100

Write

Limits output to percentage

of total capacity

nvoRHDem_x

Read RH or Demand

signal value from

humidifier

Analog

Value

0 - 100

Read

Used with hardwired or

network control signal

nvoSet_x

Read space setpoint

(sensor type controls

only)

Analog

Value

30 - 95

Read

Sensor controls only, not for

demand type controls

nvoCapLimit_x

Reads the manual

capacity restriction

for humidifier

Analog

Value

50 - 100

Read

Adjust using writeable

nviCapLimit variable

nvoSysDemand_x

Read system ouput /

demand

Analog

Value

0 - 100

Read

Displays output as

percentage of capacity

nvoHourOpt_x

Read operation

hours of unit

Analog

Value

0 -

Infinity

hrs

Read

Displays cumulative hours

since startup

nvoSmallHrs_x

Read minor

maintenance hours

remaining

Analog

Value

0 - 6000

hrs

Read

Displays hours until next

minor maintenance

nvoLargeHrs_x

Read major

maintenance hours

remaining

Analog

Value

0 - 6000

hrs

Read

Displays hours until next

major maintenance

nviNetSensor_x

Switches between

hard wired or

network control

signal

Binary Value

0,1

Write

1 = Use Modbus to write

sensor or demand value

0 = Hard wired sensor or

wired demand signal

nvoNetSensor_x

Confirms humidifier

control mode

Binary Value

0,1

Read

1 = Use Modbus to write

sensor or demand value

0 = Hard wired sensor or

wired demand signal

nvoStatus_x

Read humidification

status

Binary Value

0,1

Read

0 = Idle / Standby

1 = Active / Humidifying

nvoService_x

Read service warning

status

Binary Value

0,1

Read

0 = No Service Warning

1 = Service Required

nvoFault_x

Read fault status

Binary Value

0,1

Read

0 = No Fault

1 = Fault Detected

nvoInputType_x

Read control signal

mode

Binary Value

0,1

Read

0 = Demand Signal

1 = RH Sensor Signal

("Transducer Control")

nvoConnection_x

Read communication

status

Binary Value

0,1

Read

0 = Communication Error

1 = Normal Communications

16 | Installation

Table 5: Humidifier Variable Addresses

BACnet

LonWorks

Variables

Data

Type

Object

SNVT Type

SNVT

Index

Data Type

Address

Unit 1 Variable Name

nviRHDem_1

SNVT_lev_percent

Analog Output

nviSet_1

SNVT_lev_percent

Analog Output

nviCapLimit_1

SNVT_lev_percent

Analog Output

Not Used

SNVT_lev_percent

Analog Output

Not Used

SNVT_lev_percent

Analog Output

nvoRHDem_1

SNVT_lev_percent

Analog Input

nvoSet_1

SNVT_lev_percent

Analog Input

nvoCapLimit_1

SNVT_time_hour

Analog Input

nvoSysDemand_1

SNVT_time_hour

Analog Input

nvoHourOpt_1

SNVT_time_hour

Analog Input

nvoSmallHrs_1

SNVT_time_hour

Analog Input

nvoLargeHrs_1

SNVT_lev_percent

Analog Input

Not Used

SNVT_lev_percent

Analog Input

Not Used

SNVT_lev_percent

Analog Input

Not Used

SNVT_lev_percent

Analog Input

nviNetSensor_1

SNVT_switch

Digital Output

Not Used

SNVT_switch

Digital Output

Not Used

SNVT_switch

Digital Output

nvoNetSensor_1

SNVT_switch

Digital Input

nvoStatus_1

SNVT_switch

Digital Input

nvoService_1

SNVT_switch

Digital Input

nvoFault_1

SNVT_switch

Digital Input

nvoInputType_1

SNVT_switch

Digital Input

nvoConnection_1

SNVT_switch

Digital Input

Not Used

SNVT_switch

Digital Input

Not Used

SNVT_switch

Digital Input

Not Used

SNVT_switch

Digital Input

Not Used

SNVT_switch

Digital Input

Not Used

SNVT_switch

Digital Input

Not Used

SNVT_switch

Digital Input

Page is loading ...

Condair 2538480-C LINKS2 NHRS, NHDI, NHSC Owner's manual

Brand: Condair

Model: 2538480-C LINKS2 NHRS, NHDI, NHSC

Category: Gateways/controllers

Type: Owner's manual

Download PDF

report

Condair 2538480-C LINKS2 NHRS, NHDI, NHSC Owner's manual

Condair 2538480-C LINKS2 NHRS, NHDI, NHSC Owner's manual

Related papers

Other documents