Nortec Industries NHTC Series User's Manual
Contents
1. Nortec LINKS 2 Nortec OnLine Module Nortec LINKS 2 Processor EIA 232 Serial Port LonWorks Service Pin 9 VDC Input 9V on center pin LAN Ports 24 VAC HOT 4 Port Router WAN Port Note Y Use Router WAN port when employing an internet Customer Internet connection for OnLine Connection Use A and B terminals for LonWorks feedback OnLine Interface WID NHTC LINKS 2 LonWorks Option FA i Supplemental Wiring Diagram 9 Diagram No 2531433 Aug 21 2007 www humidity com Figure 2 Wiring Diagram 10 50 Page 3 2008 02 18 z Nortec www humidity com External wiring by others I 18 24 AWG stranded Twisted pair shielded Network Nortec LINKS 2 Terminal Strip External Unit 1 Internal Nortec LINKS 2 NHTC Nortec OnLine Module Processor Module EIA 232 Serial Port 9 VDC Input 9V on center pin LAN Ports 24 HOT 4 Port Router WAN Port User Interface Note Ports Y Use Router WAN port when employing an internet Customer Internet connection for OnLine Connection Use and B terminals for Johnson N2 and BACnet MSTP OnLine Interface feedback WID Nortec LINKS 2 Option Supplemental Wiring Diagram Diagram No 2525757 Rev A Aug 1 2007 www humidity com Figure 3 Wiring Diagram 10 50 Page 4 2008 02 18 z Nortec www humidity com THIS PAGE INTENTIONALLY LEFT B2. s 2 224222 22 Ree 6 Table 4 Variable Addresses Unit 1 ects 4 o duck Rp eee cirios 8 Table 5 Variable Addresses 2 9 Table 6 Variable Addresses Unit 49 s sene bee REC YI ws 10 Table 7 Variable Addresses 4 11 Table 8 Variable Addresses 5 12 Table 9 Variable Addresses Unit 6 13 Table 10 Variable Addresses 7 14 Table 11 Variable Addresses 8 15 10 30 TROUBLESHOOTING Table 1 OnLine Diagnostic LED 4 Table 2 LINKS 2 Module Diagnostic LEDs 5 Table 3 Troubleshooting Communication 6 10 40 SPARE PARTS Table 1 ge eR EEE concede av 2 2008 02 8 Nortec www humidity com THIS PAGE INTENTIONALLY LEFT BLANK 2008 02 18 Nortec 10 00 INTRODUCTION ag 2008 02 18
3. 0 Unit Enabled Figure 3 Sample Humidification Applications Room Sensed RH Feedback with Duct Hi Limit Sensing 0 10V Signal Directly to Humidifier 10 10 Page 17 2008 02 18 Nortec www humidity com THIS PAGE INTENTIONALLY LEFT BLANK 10 10 Page 18 2008 02 18 10 20 START UP 10 20 Page 1 2008 02 18 z Nortec www humidity com 1 NORTEC LINKS 2 START UP CHECKLIST WIRING Humidifier to Humidifier Connection Each individual humidifier linked to lead unit Connection must be daisy chained to other units BMS Network Connection Lead unit wired to BMS system Twisted Pair or Ethernet Network activity verified Controls Wired Directly to humidifiers or through BMS network 2 START UP PROCEDURE 1 Ensure power is being supplied to the humidifier Nortec Links Module and Nortec OnLine module For BACnet IP adjust network IP settings If this information is provided factory will perform necessary IP assignment 2 After power up verify network communication 3 Map desired network variables to BMS 4 5 Verify variable operation after mapping is complete Perform regular humidifier start up check 10 20 Page 2 2008 02 18 Nortec 10 30 TROUBLESHOOTING ag 2008 02 18 z Nortec www humidity com 1 TROUBLESHOOTING 1 When troubleshooting the communication process for OnLine and or LINKS 2 mo
4. z Nortec www humidity com 1 OVERVIEW 1 The NHTC Nortec LINKS 2 Option allows for the integration of a NHTC Series humidifier within a BACnet Johnson N2 or LonWorks network and allows those units to concurrently be 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 2 The following protocol options are available and must be specified when ordering Table 1 Protocol Options BACnet MS TP 38 4 kbps BACnet IP 10BaseT Johnson N2 9 6 kbps 10 00 Page 2 2008 02 18 Nortec 10 10 INSTALLATION 2008 02 18 Nortec www humidity com 1 NETWORKING 1 It is possible to network up to a maximum of 8 units to a single LINKS 2 Since each unit is separately addressed it is possible to monitor and control each unit individually Different networking configurations may be achieved and are mostly dependant on the type of network present at the site 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 oystem 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 i
5. 58 59 Expansion 4 BV 60 NA BinaryOut 60 10 10 Page 11 2008 02 18 Nortec www humidity com Table 8 Humidifier Variable Addresses Unit 45 BACnet Lonworks at SNVT Tue manor time hour 124 81 a 81 81 81 nvoSet2 5 AV 66 percent 81 94 66 81 nviCapLimit 5 AV 68 lev percent 81 96 AO 68 5 lev percent 81 97 AO 69 nviset2 5 70 lev percent 81 98 AO 70 nviRHDemi 5 AV 71 lev percent 81 lev percent 81 nviDisable 5 AV 73 switch 95 108 Expansion 5 N A Expansion 5 75 N A N A N A 95 95 95 95 95 nvoService 5 BV 66 switch 95 106 Binayl 66 nvoStatus 5 BV 67 switch 95 Expansion 2 Bv 53 NA BinaryOut 68 nviNetSensor 5 BV 69 switch 95 109 BinaryOut 69 nvoConnection 5 BV 70 switch 95 Expansion 5 BV 71 71 5 72 5 73 Expansion 5 N A N A 74 Expansion 5 75 10 10 12 2008 02 18 z Nortec www humidity com Table 9 Humidifier Variable Addresses Unit 6 BACnet Lonworks pe Instance SNVT SNVT Element 6 time hour 124 111 76 77 lev percent 81 78 lev percent 81 79 lev percent 81 ev percent 81 115 Al 80 ev percent 81 ev percent 81 ev per
6. gt gt gt SS gt gt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 23 24 25 26 27 28 29 30 31 32 33 34 42 N A N A 35 36 37 38 39 40 41 N A 43 44 N A N A N A N A N A 10 10 Page 9 2008 02 18 Nortec www humidity com Table 6 Humidifier Variable Addresses Unit 3 BACnet Lonworks Type wow eT up time hour 124 81 3 81 81 81 81 81 nviCapLimit 3 AV 38 percent 81 miens 39 lev percent 81 nviSet2 3 Av 40 percent 81 nviRHDemi 3 AV 41 percent 81 81 nviDisable 3 95 N A N A S S gt 95 95 95 95 60 Binaryin 34 95 95 nvoStatus 3 BV 37 switch 95 Expansion 2 38 nviNetSensor 3 BV 39 switch 95 nvoConnection 3 BV 40 switch 95 66 BinaryOut 40 N A N A N A N A N A N A 10 10 Page 10 2008 02 18 z Nortec www humidity com Table 7 Humidifier Variable Addresses Unit 44 Lonworks Instance SNVT Element time hour 124 67 Al 46 81 68 4 81 69 48 81 81 81 81 81 81 81 81 81 95 Expansion 4 60 NA NA AO 60 95 95 80 Binayln 47 95 95 95 95 95 N A 95 95 N A NA N A N A 57
7. nvoService 8 nvoStatus 8 xpansion 8 114 95 Binary Out nvoConnection 8 115 95 Binary Out xpansion 8 116 N A Binary Out xpansion 8 xpansion 8 xpansion 8 xpansion 8 N A Binary Out 118 N A N A Binary Out 119 N A N A Binary Out 120 N A N A Binary Out 117 N A N A Binary Out 315 5 5 2 I 15 ND D NIN CID 5 0 3 o gt 5 e 18 19 Co lo Co UJ UJ UJ 100 000 WWW 100 WW W gt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 10 10 15 2008 02 18 z Nortec www humidity com Configuration Variables nvilnputType 1 nviNetSensor x 1 Network LonTalk or BACnet Control Variables nviSet1 x Room Setpoint 0 100 nviSet2 x Hi Limit Setpoint 0 10096 nviRHDeml1 Room 90 RH 0 100 nviRHDem2 x Hi Limit 96 RH 0 100 nviDisable x 1 Unit Disabled 0 Unit Enabled Sensor Room Humidity Sensor Humidified Air RH RH Return Air Readable Variables Kamil nvoStatus x 1 Humidifying 0 Standby Room nvoService x 1 Service Required 0 No Service Required nvoFault x 1 Fault 0 No Fault nvoSysDemand x System Demand 0 100 nvoDisable x 1 Unit Disabled 0 Unit Enabled Figure 1 Sample Humidification Applications Room Sensed RH Feedbac
8. 0 TROUBLESHOOTING Figure 1 OnLine Diagnostic LED Locations 3 Figure 2 BACnet Module LED ck nur HE ER ER Ree er E 3 Figure 3 LonWorks Module LED ads 3 Figure 4 LO 3 10 40 SPARE PARTS Figure 1 Module rem as mr eR E 3 Figure 2 EON Vos NONE susce eee EGET 3 Figure 3 Online Mod le nere ee 3 Figure 4 arii OE EEE EIU UOI T DIO ob LL DOTT 3 Figure 5 Ethernet 4 10 50 TECHNICAL Figure 1 Wiring Diagram NHTC LINKS II BACnet IP 2 Figure 2 Wiring Diagram NHTC LINKS II LonWorks 3 Figure 3 Wiring Diagram NHTC LINKS II 4 LIST OF TABLES Table Page 10 00 INTRODUCTION Table 1 Protocol 0 2 1 2 10 10 INSTALLATION Table 1 Recommended Wire Types and Lengths 3 Table 2 Baud RTT TS T DUET T T EE T ELT TIT TT LTD beau 4 Table 3
9. 5 10 10 Page 8 2008 02 18 Nortec www humidity com Table 5 Humidifier Variable Addresses Unit 2 BACnet Type Instance SNVT _ SNVT NV Index 16 time hour 12 17 lev percent 81 lev percent 81 lev percen 81 lev percent 8 lev percen 8 lev percent 8 lev percen 8 lev percent 8 lev percen 8 lev percent 8 lev percen 8 switch 9 N A N A nit 2 ariable Name nvoHourOpt 2 nvoCapLimit 2 nvoRHDem1 2 2 nvoRHDem1 2 nvoSet2 2 nvoSysDemand 2 nviCapLimit 2 2 nviSet2 2 nviRHDem1 2 nviRHDem2 2 nviDisable 1 xpansion 2 xpansion 2 00 I fos Al Al Al Al Al Al Al AO AO AO AO AO AO AO AO CO switch switch switch switch switch switch switch N A switch switch N A N A N A N A 30 N A N A Binary In nvoFault 2 nvoHWSensor 2 nvoNetSensor 2 nvoDisable 2 nvoSecurity 2 nvoService 2 nvoStatus 2 Xpansion 2 nviNetSensor 2 nvoConnection 2 xpansion 2 xpansion 2 xpansion 2 xpansion 2 xpansion 2 CO gt gt gt gt A A gt CO CO CO ID lt 00 O O 4 CO lt gt 30 lt gt DN 2 UJ UJ UJ UD UJ UD 0 100 30 UD 00 gt gt gt gt gt gt
10. LANK 10 50 Page 5 2008 02 18 z Nortec www humidity com WARRANTY WALTER MEIER INC and or WALTER MEIER LTD hereinafter collectively referred to as THE COMPANY warrant for a period of two years after installation or 30 months from manufacturer s ship date whichever date is earlier that THE COMPANY s manufactured and assembled products not otherwise expressly warranted with the exception of the cylinder are free from defects in material and workmanship No warranty is made against corrosion deterioration or suitability of substituted materials used as a result of compliance with government regulations THE COMPANY s obligations and liabilities under this warranty are limited to furnishing replacement parts to the customer F O B THE COMPANY factory providing the defective part s is returned freight prepaid by the customer Parts used for repairs are warranted for the balance of the term of the warranty on the original humidifier or 90 days whichever is longer The warranties set forth herein are in lieu of all other warranties expressed or implied by law No liability whatsoever shall be attached to THE COMPANY until said products have been paid for in full and then said liability shall be limited to the original purchase price for the product Any further warranty must be in writing signed by an officer of THE COMPANY THE 8 limited warranty on accessories not of the companies manufacture such as co
11. Manual No H 502 2008 02 18 A Nortec www humidity com LINKS NHTC NORTEC LINKS 2 OPTIONS Installation Manual z Nortec www humidity com PROPRIETARY NOTICE This document and the information disclosed herein are proprietary data of WALTER MEIER LTD Neither this document nor the information contained herein shall be reproduced used or disclosed to others without the written authorization of WALTER MEIER LTD except to the extent required for installation or maintenance of recipient s equipment All references to the NORTEC name should be taken as referring to WALTER MEIER LTD ISO 9001 2000 REGISTERED Certificate No 002419 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 COPYRIGHT NOTICE Copyright 2008 WALTER MEIER LTD All rights reserved RECORD OF REVISIONS For each revision put the revised pages in your manual and discard the superseded pages Write the revision number and revision date date put in manual and the incorporator s initials in the applicable columns on the Record of Revisions Revision Revision Date Put Revision Revision Date Put Number Date In Manual By Number Date In Manual By 2008 02 18 TABLE OF CONTENTS Subject 10 00 INTRODUCTION 1 OVERVIEW n sagax ed
12. Module 2527102 BACnet MSTP 2 LINKS 2 Replacement Module 2927108 LonWorks 24VAV to 9VDC Power Supply for nn switch or router 2 2 a 10 40 Page 2 2008 02 18 Nortec www humidity com Figure 1 BACnet or N2 Module Figure 2 LonWorks Module Figure 3 OnLine Module Figure 4 Ethernet Router 10 40 Page 3 2008 02 18 Nortec www humidity com Figure 5 Ethernet Switch 10 40 Page 4 2008 02 18 Nortec 10 50 TECHNICAL ag 2008 02 18 z Nortec www humidity com External wiring by others 18 24 AWG stranded Twisted pair shielded Nortec LINKS 2 Terminal Strip Unit 1 Nortec OnLine Module Nortec LINKS 2 Module Processor EIA 232 n Serial Port Gnd Customer Etherrnet Connection 9 VDC Input 9V on center pin LAN Ports 24 VAC HOT 5 Port Ethernet Switch Note Use open LAN port when employing an internet connection for BACnet IP and or Nortec OnLine WID NHTC LINKS 2 BACnet IP Option FA N r ec Supplemental Wiring Diagram Diagram No 2531457 Rev B Aug 22 2007 www humidity com Figure 1 Wiring Diagram 10 50 Page 2 2008 02 18 z Nortec www humidity com External wiring by others 18 to 24 AWG stranded Twisted pair shielded Network ee External Internal Terminal Strip Unit 1 2 24 0
13. Table 10 Humidifier Variable Addresses Unit 7 BACnet Lonworks Instance SNVT Element time hour 124 133 Al 91 81 81 81 81 nvoSet2 7 96 percent 81 138 96 81 nviCapLimit 7 AV 98 81 140 AO 98 nvisett 7 AV 99 81 14 99 81 81 81 95 N A N A ee 95 95 95 95 95 nvoService 7 BV 96 switch 95 150 Binaryln 96 95 Expansion 7 BV 98 NA NA BinaryOut 98 nviNetSensor 7 BV 99 switch 95 153 BinayOu 99 95 N A N A N A N A N A 10 10 Page 14 2008 02 18 z Nortec www humidity com Table 11 Humidifier Variable Addresses Unit 48 nit 48 BACnet Lonworks ariable Name Instance SNVT SNVT Element nvoHourOpt 8 106 time hour 124 155 106 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 lev percent 81 switch 95 N A N A N A N A switch 95 switch 95 switch 95 switch 95 switch 95 111 switch 95 112 switch 95 116 N A N A 107 108 109 110 111 112 113 114 115 116 117 118 119 120 nvoCapLimit 8 nvoRHDem1 8 nvoSeti_8 nvoRHDem1 8 nvoSet2 8 nviSet1 8 nviSet2 8 nviRHDem1 8 nviRHDem2 8 nviDisable 8 xpansion 8 xpansion 8 106 107 108 109 110 nvoFault 8 nvoDisable 8 nvoSecurity 8
14. cent 81 ev percent 81 lev percent 81 ev percent 81 121 AO 86 ev percent 81 switch 95 N A NA AO 89 NA 90 NENNEN switch 95 switch 95 switch 95 switch 95 switch 95 127 Binaryln 80 switch 95 switch 95 nit 46 ariable Name nvoHourOpt 6 nvoCapLimit 6 nvoRHDem1 6 6 nvoRHDem1 6 nvoSet2 6 T N 81 82 83 84 85 6 nviSet2 6 nviRHDem1 6 nviRHDem2 6 nviDisable 6 xpansion 6 xpansion 6 8 00 00 Z I N O nvoFault_6 NIN N nvoDisable 6 nvoSecurity 6 nvoService 6 nvoStatus 6 0 1 00 CO xpansion 6 N A N A Binary Out 84 switch 95 Binary Out nvoConnection 6 85 switch 95 Binary Out N A NA BinaryOut 86 N A N A 87 N A N A 88 N A N A N A NA Binaryout 90 xpansion 6 xpansion 6 xpansion 6 xpansion 6 xpansion 6 13 z I 5 5 lt 5 ic z I C lt dp et 2 5 0 3 o 97 gt 5 g O O 100 100 U2 U2 00 100 100 100 U2 gt gt gt gt gt gt gt gt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 10 10 13 2008 02 18 Nortec www humidity com
15. ded Twisted 2000 ft at 38 400 kbps Johnson N2 Pair LAN CAT 5E cable with Depends on cable LonWorks EIA 232 Tx Rx 18 24 AWG Should not exceed 50 ft 2 wire Twisted Pair B BACNET IP 1 The necessary wiring for the Gateway is present except for the network cable which must be connected to the RJ 45 Ethernet jack on the Gateway Refer to wiring diagram in section 10 50 10 10 Page 3 2008 02 18 z Nortec www humidity com 3 GATEWAY CONFIGURATION 1 Protocol configuration is made at the factory prior to final testing Baud rates are also adjusted to the following values Table 2 Baud Rates BACnet MS TP 38 4 kbps BACnet IP 10BaseT Johnson N2 9 6 kbps 2 For BACnet IP BACnet MSTP and Johnson 2 applications it is necessary to establish the modules network address parameters in order access it Address assignments can be configured at the factory or Nortec can provide instructions to modify the address settings in the field 4 NETWORK INTEGRATION A LONWORKS XIF FILE 1 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 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 t
16. dules should be kept in mind Humidifier data is first received by the Nortec OnLine module using the modbus protocol over the serial port connection It then forwards this data via modbus TCP to the LINKS 2 module over an Ethernet link A router switch for BACnet IP applications links the two devices together through their Ethernet ports and allows a user to access both devices using only 1 customer installed Ethernet line 2 INDICATOR LIGHTS 1 There is a variety of status LEDs on both the OnLine module and the LINKS 2 module to aid in the diagnosis of communication problems Note that communication first occurs between the OnLine module and the humidifier logic board The OnLine module then passes information to the LINKS 2 module If practical it may be useful to establish a connection with the Nortec OnLine server first and then establish communication with the LINKS 2 module 10 30 Page 2 2008 02 18 z Nortec www humidity com Module Status RX Receive L Serial Port Activity Power LED Ethernet Activity Ethernet Link Figure 1 OnLine Diagnostic LED Locations Figure 2 BACnet Module LED RX Power LED Receive LED Ethernet Ethernet LINKS 2 Activity Transmit LED Figure 3 LonWorks Module LED Figure 4 Ethernet Port 10 30 Page 3 2008 02 18 z Nortec www humidity com Table 1 OnLine Diagnostic LED Description Module Status Off Indicates that the Onli
17. ernet connection has been detected Ethernet Activity Off No Ethernet network activity Flashing Green Indicates Ethernet activity 10 30 Page 5 2008 02 18 Nortec www humidity com Table 3 Troubleshooting Communication Problems Fem smm O 1 The BMS network cannot read write any information to any of the networked humidifiers 2 The BMS network can see some of the networked humidifiers but not others 3 The BMS network receives information from the networked humidifier s but the information is mismatched or the humidifier responds un expectedly 4 After sending the humidifier a network based demand signal the unit powers down after several minutes The nviNetSensor variable is switched on and a value has been set for the nviRHDem1 variable Verify that the network connection is made and is connected properly Verify that the correct network settings are being used The LINKS 2 module may need to be restarted to load the new settings Check the Serial Port Activity LED on the Nortec OnLine module to ensure proper communication with the humidifiers Data is first received from the humidifier to the OnLine module The OnLine module then transmits this data via the Ethernet port to the LINKS 2 module Check the Ethernet port activity on the LINKS 2 module to ensure it is receiving data from the Nortec OnLine module Check the transmit and receive status LEDs to determine if there is any network
18. he 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 If a xif file is required prior to installing a LonWorks enabled humidifier please contact the factory to obtain it B BACNET PICS AND BIBS 1 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 2 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 10 10 Page 4 2008 02 18 z Nortec www humidity com 5 VARIABLE DEFINITION IMPORTANT In the variable name denotes the humidifier number If there is only one GSTC 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 networked units 3 and so on If unsure of t
19. he unit number each unit will have label indicating the device instance of each humidifier 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 1 Nortec LINKS 2 monitors a variety of variables for each unit that is connected to it For a variable listing and definition refer to Table 3 Network variable addresses for the humidifiers may be seen in Table 4 to Table 11 10 10 Page 5 2008 02 18 z Nortec www humidity com Table3 Variable Definitions RzRead Description LonWorks SNVT nvoHourOpt x nvoCapLimit nvoRHDem x Indicates the number of hours the H humidifier cylinder has been in SNVT count inc Analogue Value operation Reads to capacity limitation applied to the unit output SNVT switch Analogue Value 50 100 i Reads Ch 1 input signal in RH R or demand to humidifier SNVT switch Analogue Value 0 100 nvoSett x R Reads Ch 1 SEO setting SNVT switch Analogue Value 10 90 nvoRHDem2 x nvoSet2 x nvoSysDemand x nviCapLimit nviRHDem1 x nviRHDem2 x nviSet1 x nviSet2 x R Analogue Value Reads Ch 2 input signal in RH or demand to humidifier 0 100 SNVT switch Unit must be configured for dual channel operation Reads Ch 2 setpoint setting 10 90 SNVT switch Unit must be configured for dual channel operation R Reads humidifier system SNVT swi
20. ion x R module is communicating with the SNVT switch Binary Value Humidifier Writes remote disable status W O humidifier enabled nviDisable x Bina US 1 humiditier disabled from SNVT switch network Writes configuration status for network enabled sensing or control nviNetSensor x W 0 RH or demand input is not SNVT switch Binary Value from the network 1 RH or demand input is from the network 10 10 Page 7 2008 02 18 z Nortec www humidity com Table 4 Humidifier Variable Addresses Unit 1 NHTC LINKS 2 Variable Listing Default BACnet IP Address 192 168 10 11 Subnet 255 255 255 0 Default BACnet MSTP Address 78 Default Johnson N2 Address 174 Unit 1 BACnet Lonworks N2 Variable Name Type Instance SNVT SNVT NV Index Type Instance nvoHourOpt 1 124 1 Al 2 A 3 A 4 A 5 A 1 AV 6 levperen 81 6 A 7 A nviCaplimit 1 AV 8 percent 81 8 AO nviSett 1 AV 9 levperen 81 9 AO 10 AO 11 AO 12 AO nviDisable 1 20 AO N A AO Expansion 1 AV NA N A O 13 Binary In 14 Binary In 15 Binary In 16 Binary In 17 Binary In nvoService 1 BV 6 switch 95 18 Binary In 19 Binary In Expansion 8 8 NA NA Binary Out nviNetSensor 1 BV 9 switch 95 21 Binary Out 22 Binary Out N A N A Binary Out N A__ Binary Out N A Binary Out N A Binary Out N A Binary Out 10 11 12 13 14 1
21. k with Duct Hi Limit Sensing Configuration Variables nvilnputType x 0 Network LonTalk or BACnet nviNetSensor x 1 Control Variables nviSetl x Room Setpoint 0 100 nviSet2 x Hi Limit Setpoint 0 10096 nviRHDeml1 Room RH 0 100 nviRHDem2 x Hi Limit 96 RH 0 100946 i i OM Hi Limit Sensor Room Humidity Control I nviDisable x 1 Signal 0 100 0 100 0 Unit Enable Readable Variables Room nvoStatus x 1 Humidifying 0 Standby nvoService x 1 Service Required 0 No Service Required nvoFault x 1 Fault 0 No Fault nvoSysDemand x System Demand 0 100 nvoDisable x 1 Unit Disabled 0 Unit Enabled Figure 2 Sample Humidification Applications Control Feedback 0 10096 with Duct Hi Limit Sensing 10 10 Page 16 2008 02 18 z Nortec www humidity com Configuration Variables nvilnputType x 1 nviNetSensor 0 i Network LonTalk or BACnet Control Variables nviSetl x Room Setpoint 0 100 nviSet2 x Hi Limit Setpoint 0 10096 nviRHDeml1 Room RH 0 100946 nviRHDem2 x Hi Limit RH 0 100946 nviDisable x 1 Unit Disabled 0 Unit Enabled Hi Limit Sensor Room Humidity Sensor ARH Readable Variables nvoStatus_x 1 Humidifying Room 0 Standby nvoService x 1 Service Required 0 No Service Required nvoFault x 1 Fault 0 No Fault nvoSysDemand x System Demand 0 100 nvoDisable x 1 Unit Disabled
22. ne module is not receiving power Green Indicates the Online module is operating normally Orange Indicates that the Online module is loading the firmware installed on the module Serial Port Activity Flashing Green Indicates that the Online module is receiving a network packet from a serial connection Flashing Red Indicates that the Online module is transmitting a network packet on a serial connection T Indicates that the Online module is receiving a Ethernet Activity Collision Flashing Green network packet from an Ethernet connection Indicates that the Online module is transmitting Flashing Red network packet on an Ethernet connection Ethernet Link Off No network connection is present G The Online module has detected the presence of reen a 10Mbps network The Online module has detected the presence of 10 30 Page 4 2008 02 18 Nortec www humidity com Table 2 LINKS 2 Module Diagnostic LEDs Module Power Off Indicates that the Online module is not receiving power Green Indicates the Online module is operating normally Receive LED marked as Rx on Flashing Green Indicates that the Online module is receiving a processor board network packet from a serial connection Transmit LED marked as Tx on Flashing Green Indicates that the Online module is transmitting a processor board network packet on a serial connection Ethernet LINK Off Indicates no Ethernet connection is present Solid Yellow Indicates an Eth
23. ntrols humidistats pumps etc is limited to the warranty of the original equipment manufacturer from date of original shipment of humidifier THE COMPANY makes no warranty and assumes no liability unless the equipment is installed in strict accordance with a copy of the catalog and installation manual in effect at the date of purchase and by a contractor approved by THE COMPANY to install such equipment THE COMPANY makes no warranty and assumes no liability whatsoever for consequential damage or damage resulting directly from misapplication incorrect sizing or lack of proper maintenance of the equipment THE COMPANY retains the right to change the design specification and performance criteria of its products without notice or obligation z Nortec www humidity com INSTALLATION DATE MM DD Y YY Y MODEL SERIAL ISO 9001 2000 walter Meier REGISTERED Certificate No 002419 U S A CANADA Authorized Agent Walter Meier Climate USA Inc Walter Meier Climate Canada Ltd 826 Proctor Avenue 2740 Fenton Road Ogdensburg NY 13669 Ottawa ON K1T 3T7 TEL 1 866 NORTEC 1 TEL 1 866 NORTEC 1 EMAIL northamerica climate Qwaltermeier com FAX 613 822 7964 WEBSITE www humidity com
24. quond oe ea 10 10 INSTALLATION PROCEDURES 1 NETWORKING PENE EE EEE 2 WIRING PT A BACNET MSTP JOHNSON N2 AND LONWORKS B BASNET PLP 3 GATEWAY 4 NETWORK INTEGRATION circa A LONWORKS AIF FILE B BACNET PICS 5 5 VARIABLE 10 20 START UP 1 LINKS 2 START UP CHECKLIST 2 START UP PROCEDURE rro mmc mado mr EIS 10 30 TROUBLESHOOTING 1 TROUBLESHOOTING 2 INDICATOR LIGHTS cesa eee 10 40 SPARE PARTS 1 REPLACEMENT PARTS os ts Or 10 50 TECHNICAL 1 WIRING DIAGRAMS WARRANTY z Nortec www humidity com 2008 02 18 z Nortec www humidity com LIST OF FIGURES Figure Page 10 10 INSTALLATION Figure 1 Sample Humidification Applications Room Sensed Feedback with Duct Hi Limit Sensing 16 Figure 2 Sample Humidification Applications Control Feedback 0 100926 with Duct Hi Limit Sensing 16 Figure 3 Sample Humidification Applications 0 10V Signal Directly to Humidifier 17 10 3
25. s only possible for BACnet communication and is essentially referred to as a BACnet IP configuration 10 10 Page 2 2008 02 18 Nortec www humidity com 2 WIRING A BACNET MSTP JOHNSON N2 AND LONWORKS 1 The necessary internal wiring for the Gateway is already present except for the BMS network connection that can be made via twisted pair at terminals A and B To network multiple units to a single Gateway the units may be daisy chained to each other using the network link terminals at the TB3 connection jack on the humidifier logic board Refer to wiring diagram in section 10 50 1 Table 1 refers to the recommended wire types and maximum recommended lengths from the Nortec LINK 2 module to the front end of the Building Management system Since communication between the humidifiers and Nortec Links will always occur via a EIA 485 signal type Nortec recommends using 18 24 AWG shielded twisted pair wire between the lead humidifier and each of the slave humidifiers Cable runs between the Nortec LINKS 2 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 1 Recommended Wire Types and Lengths Polarity Maximum Signal Recommended Recommended Cable Distance from Nortec Module BACnet 18 24 AWG EIA 485 2300 ft at 9 600 kbps MS TP 2 Wire Net Net Shiel
26. tch Analogue Value demand 0 100975 R Sets the humidifier s unit Analogue Value capacity 50 100 Writes Ch 1 demand or RH level Allows BMS control of W humidifier output 0 100956 SNVT switch Analogue Value 1 Analogue Value Unit must be configured for networked demand Writes Ch 2 demand or RH level Allows BMS control of W humidifier output 0 100956 SNVT switch Unit must be configured for networked demand Writes Ch 1 setpoint 0 90 SNVT switch Analogue Value Writes Ch 2 setpoint 0 90 SNVT switch Analogue Value 10 10 Page 6 2008 02 18 Nortec www humidity com R Read m Indicates unit fault status nvoFault x R SNVT switch Binary Value fault 1 fault Indicates if a high water level nvoHWSensor x condition exists in the humidifier u Binary Value cylinder O normal 1 high water condition Reads configuration status for network enabled sensing or control nvoNetSensor x R 0 RH or demand input is not SNVT switch i Binary Value from the network 1 RH or demand input is from the network Reads remote disable status nvoDisable x R O humidifier enabled SNVT switch Binary Value 1 humidifier disabled by network Indicates security loop status ubi 1 Sec loop closed Reads service requirement status y 1 service required R Reads humidifier status Binary Value O standby 1 humidifying SEDULO Indicates that the Nortec Links nvoConnect
27. traffic being sent or being received by the LINKS 2 module from the BMS network Verify proper connections to networked humidifiers Turn the LINKS 2 module and the OnLine module off for several seconds then switch it back on to reload the control program Allow for some time for the network variables to be polled Ensure network variables are mapped correctly to the BMS Ensure proper connections to the humidifiers Disconnect all of the humidifiers from the LINKS 2 package except for the unit that is not responding to the network Turn the LINKS 2 package off and then back on Check if the humidifier can now be seen by the BMS Verify that the network variables have been mapped to the BMS network correctly It is possible that the variables have been cross linked during the network integration process Connect humidifiers one at a time and test units individually When a BMS network demand RH signal is being used the network must refresh the nviRHDem signal at least every 5 minutes otherwise the humidifier will revert to a 0 demand state This is a safety precaution in case the BMS network connection is lost 10 30 Page 6 2008 02 18 Nortec 10 40 SPARE PARTS ag 2008 02 18 z Nortec www humidity com Table 1 Replacement Parts Nortec LINKS 2 Options Specify Unit Type Protocol at time of order NM BACnet MSTP BACnet IP LINKS 2 Replacement Module 222101 LINKS 2 Replacement
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