Nortec 380V User's Manual
Contents
1. BLOWER PACKS For All Atmospheric Humidifiers Installation Manual 2525151 B 2008 04 28 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LTD All rights reserved RECORD OF REVISIONS For each revision put the revised pages in your manual and discard the superseded pages Write the revision number and revision date date put in manual and the incorporator s initials in the applicable columns on the Record of Revisions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 04 28 z Nortec www humidity com 2008 04 28 TABLE OF CONTENTS Subject 10 00 OVERVIEW 1 OVER VIE We2. O50 1 36 91 84 21 3 O75 1 Recommended 42 106 144 366 asi 48 122 156 396 ud ita Pacco HW ED 42 106 144 366 42 arwoommended 48 122 156 396 Remote mounted only Fourremote mounted blower packs are recommended on the 200 model Nominal conditions 72 F 35 RH Blower Pack Weight 120V model 12 5 Ibs 5 68 kg All other models 18 Ibs 8 18 kg Maximum Capacity Per Blower Pack is 100 Ibs hr Condensate Connection Steam Line Connections 3 5 0 95cm OD 875 2 22cm or 1 625 4 13cm OD 16 41 6 46 1641cm 9 29 23 6cm Note Add 8 70 22 cm to the over all unit height for BOBP for NHTC NHPC Only Figure 7 Physical Data Dimensions RMBP 10 00 Page 7 2008 04 28 z Nortec www humidity com Figure 8 Blower Pack Spare Parts amp Exploded View Rev C April 17 2008 10 00 Page 8 2008 04 28 z Nortec www humidity com Table 1 Blower Pack Replacement Parts 2522064 Transformer 100VA 115V 208 230 277 460 575V 60 Hz For all models except 380V 2524204 Transformer 100 115V 380V 50 60Hz For 380V models only 2524082 Fuse 1 amp 600V HCTR Slow Blow 1583126 Fuse 1 5 amp 2522070 Relay 30A 115V SPDT 1073005 Thermostat Replace 1475005 O ring for thermostat at same time 1475005 O Ring for Thermostat EN 2522222 Blowerpack Fan Kit EN Fan kit is pre assembled and includes all items identified by box on exploded view 1 1 2 3 4 5 a 0
3. 7 1 1 1 1 1 1 10 00 Page 9 2008 04 28 z Nortec www humidity com Transformer Primary Supply Color code Orange 550 600V Yalow 440 480V Brown Red 230V Black 208V n While Common d BLOWER PACK FAN KIT DEO MS NO ar 7 AN i 115 VAC STEP DOWN TRANSFOR MER Not required d rt 1A FUSES for 115V Model Nat required for 115V Model 1 Ce INTERNAL R ww BLOWER PACK HV TERMINAL BLOCK BLOWER PACK IV TERMINAL BLOCK REFER TO BLOWER PACK SPECIFICATION LABEL ON OFF LOOP FOR APPRCPRIATE VOLTAGE TO PE WIRED TO HUMIDIFIER INSERES WITH OTHER ON OFF CONTROLS Figure 9 Wiring Diagram Blower Pack Internal Wiring External Connections Wiring Diagram 2524117 Rev B March 26 2007 10 00 Page 10 2008 04 28 z Nortec www humidity com THIS PAGE INTENTIONALLY LEFT BLANK 10 00 Page 11 2008 04 28 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 a
4. sloped downwards from the blower pack to the humidifier Slope should be at least 2 in 12 10 degree slope to promote condensate run back See Figure 4 Steam Hose Installation If upward slope is used from the blower pack to the humidifier the slope should be at least 2 per 12 to promote condensate removal at the blower pack If this slope is not possible condensate must be removed before the blower pack See Figure 5 Condensate Removal Minimize the length of steam line and keep it as straight as possible minimizing bends Avoid using 90 elbows Wherever possible use long radius turns using tube bender on oversized copper or pairs of 45 elbows This will reduce the condensate generated by heat loss This will also reduce the back pressure and avoid the need to install an extended water trap Ensure that the steam hose does not kink or sag The steam hose becomes more flexible when hot The hose should be supported to prevent water traps Only use steam hose for connection or steam line runs of 5 feet or less See Figure 4 Steam Hose Installation To ensure odor free steam always use NORTEC steam hose Check steam hose and hose couplings periodically for cracks breaks kinks Replace as required DO NOT substitute hose NORTEC is not responsible for health effects or damage from substituted hose For GS SE and NH Series using large size remote mounted blower packs gt 50 Ibs hr use 1 5 8 O D Nominal 1 7 copper tubing For
5. steam runs longer then 20 ft use insulated nominal 2 copper to ensure draining of condensate 1 10 00 Page 3 2008 04 28 A Nortec www humidity com Avoid Water Traps Avoid Kinks Proper Slope Gentle Sweeping Turns Figure 4 Steam Hose Installation Blower pack 2 Eco Remote mounted 42 Condensate 7 Min 3 ft steam line 91 4cm Depth of trap must be equal or more than 3 76 mm To Drain Figure 6 Condensate Return Line Trap 10 00 Page 4 2008 04 28 Remote mounted Blower pack Field insulated stainless Min 10 degree steel or copper pipe or slope flexible steam hose 1 Steam line Condensate Retum Depth of trap must be equal or more than 3 76 mm To Drain Figure 3 Steam Line Installation Steam line Condensate tee at low point in steam line 91 4 Condensate Return 81 4cm Depth of traps must be equal or more than 3 76 mm To Drain Figure 5 Condensate Removal z Nortec www humidity com For electric humidifiers NHTC amp NHPC only using a small size blower pack 30 Ibs hr steam lines require 7 8 O D Nominal 34 copper tubing For steam runs longer than 20 ft use insulated nominal 1 copper to ensure draining of condensate When using the GS SE or NHRS Humidifiers with a RO DI water supply all steam lines should be in stainless steel Do not use plastic pipe for steam distribution or hose other th
6. an NORTEC supplied Substitution will void warranty If steam line is routed below the blower pack or if the blower pack is lower than the humidifier a condensate trap tee will be required to remove water at this low point Run the condensate from the trap to the nearest drain lower than the blower pack See Figure 5 Condensate Removal Do not run the steam line more than 1 foot per lb hr output Example 10 Ibs hr should not have a steam run longer than 10 feet If long runs are unavoidable the humidifier should be sized larger to compensate for condensate losses and insulated stainless steel or copper must be used 8 10 11 12 D CONDENSATE RETURN LINES NORTEC blower packs have built in connections for draining off condensate These condensate lines must be connected to the nearest floor drain back to the unit NHTC amp NHPC NHRS only or a condensate pump when using short condensate runs Always incorporate a trap in routing of condensate return lines Condensate that accumulates in trap will prevent possibility of steam escaping Depth of the trap must be equal or more than 3 76 mm See Figure 6 Condensate Return Line Trap Ensure the trap is at least 3 feet 1 m below the blower pack and as close to the floor drain as possible 1 3 E PRIMARY VOLTAGE CONNECTION All blower packs for SE and GS unit are wired by others to be powered by an independent circuit Follow all codes A control therm
7. ed built on or for remote mounting Remote blower packs are field piped to the humidifier Built on Blower Packs are available with NHTC amp NHPC humidifiers only 3 All blower packs consist of a steel cabinet containing 3 fams powered by a 115 Vac single phase supply 208 277 440 480 and 550 600 Vac version available plastic steam distribution and adjustable air supply 4 Control thermostat mounted on the steam distributor starts the fans when steam is generated 5 Refer to Overhead and Frontal Clearance table for blower pack requirements Minimum clearance for the sides of the unit is 4 feet 6 Steam distributors on blower packs have hot surfaces that could result in burns if touched If space allows it is recommended to mount the blower pack at least 8 feet above the floor 7 Do not use blower packs as ducted blowers The air volume from a blower pack is not sufficient to absorb the steam generated in the confines of a duct system 8 It is recommended that balancing valves be used on the steam supply lines to multiple blower packs for equal loading Front Built In Supply Air r Optional raa Built On Built In Steam __ Blower Pack a AES Distributor x 5 1 Power To Blower Pack akap i Condensate Steam Control Wiring u 1 From Humidifier urnidifier Side Il Power And Wa i N T 2 5 cm Control Wiring Fi
8. ed VETT A BEOWER PACK ee ee ee eee eee eee B REMOTE MOUNTED BLOWER PACKS WALL MOUNTING C REMOTE MOUNTED BLOWER PACKS STEAMLINE D CONDENSATE RETURN LINES PRIMARY VOLTAGE CONNECTION WARRANTY LIST OF FIGURES Figure 10 00 OVERVIEW Figure 1 NHTC NHPC Series Humidifier with Built On Blower Packs Figure 2 Blower Figure 3 Steam Line 1 5 Figure 4 Steam Hose 1 Figure 5 Condensate Figure 6 Condensate Return Line Trap Figure 7 Physical Data Dimensions RMBP Figure 8 Blower Pack Spare Parts amp Exploded Figure 9 Wiring Diagram Blower Pack Internal Wiring External Connections LIST OF TABLES Figure 10 00 OVERVIEW Table 1 Blower Pack Replacement 5 Nortec 10 00 OVERVIEW 10 00 Page 1 2008 04 28 z Nortec www humidity com 1 OVERVIEW A BLOWER PACK 1 Blower packs are an optional accessory used to directly distribute steam to localized areas or in structures that do not have a built on air distribution system 2 Blower packs are available factory install
9. gure 1 NHTC NHPC Series Humidifier Figure 2 Blower Pack with Built On Blower Packs 10 00 Page 2 2008 04 28 z Nortec www humidity com B REMOTE MOUNTED BLOWER PACKS WALL MOUNTING oteam and condensate line connections are on the bottom of the blower pack The condensate connection is 3 8 and the steam lines 7 8 or 1 12 depending Ensure that the knock out on the steam inlet has been removed prior to use To wall mount the Remote Blower Pack use 2 12 x 3 long wood screws supplied by others These screws must be fastened securely on a 2 x 4 wood stud or equivalent support If any spacer material is used between the bracket and the structural material such as drywall increase the fastener accordingly In addition install a single field supplied fastener in the center hole in the back of the unit to prevent the unit from being bumped off the support screws 1 2 C REMOTE MOUNTED BLOWER PACKS STEAM LINE NOTE PRIOR TO CONNECTING THE STEAM HOSE ENSURE KNOCK OUT HAS BEEN REMOVED Field supplied hard copper tubing or stainless steel tubing with 2 thick min insulation is recommended for steam supply Use NORTEC supplied steam hose to make connection from the humidifiers to the metal lines See Figure 3 Steam Line Installation Do not install electric zone valves on steam lines Improper adjustment will over pressurize the humidifier NORTEC steam supply hose or field supplied tubing should be
10. ostat mounted on the blower pack automatically starts the fans when steam is detected NH Series remote mounted blower packs wired to a humidifier or independent circuit require field wiring between two primary voltage terminal blocks and two low voltage control class 1 circuit wiring required terminal strips one of each located in humidifier and remote blower pack cabinet Knock outs are provided on the humidifier to facilitate this To connect the primary and control class 1 circuit wiring required wiring the wiring is fed through the grommet provided in the bottom of the blower pack Field wiring of remote blower packs must conform to national and local electrical codes Refer to wiring diagram supplied at the back of this manual See page 9 10 00 Page 5 2008 04 28 z Nortec www humidity com For NH Series use approved wire for power connection from two pole terminal block of remote blower pack to additional two pole terminal block inside electrical section of humidifier For NH Series use approved wire to connect from ground clamp of remote mounted blower pack to ground clamp provided in the electrical section of humidifier 10 00 Page 6 2008 04 28 Nortec www humidity com Overhead And Frontal Clearances For Blower Packs Model Min No Of Min Overhead Min Front Blower Clearance Clearance Packs Inches cm Inches cm O05 1 18 45 30 76 O10 1 18 45 30 76 020 1 18 45 36 91 O30 1 18 45 72 183
11. per 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 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 waltermeier com FAX 613 822 7964 WEBSITE www humidity com
12. s 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 s 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 COMPANYY s limited warranty on accessories not of the companies manufacture such as controls 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 pro
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