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Nortec Industries NHRS Series manual

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Table of contents for the manual

  • Page 1

    Manual No. H-104 2008-02-18 NHRS Series RESISTIVE ELEMENT STEAM HUMIDIFIER Engineering Manual TM[...]

  • Page 2

    2008-02-18 PROPRIETARY NOTICE This document and the info rmation disclosed herei n are propriet ary data of W AL TER MEIER L TD. Neither this document nor the information cont ained herein shall be reproduced used, or disclosed to others without the written authoriza tion of W AL TER MEIER L TD., e xcept to the extent required for installation or m[...]

  • Page 3

    2008-02-18 TABLE OF CONTENTS Subject Page 10-00 INTRODUCTION 1. PRINCIPLE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 10-10 HUMIDITY, STEAM ABSO RPTION & DISTRIBUT ION 1. CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    2008-02-18 LIST OF FIGURES Figure Page 10-00 INTRODUCTION Figure 1. NHRS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 10-10 HUMIDITY, STEAM ABSO RPTION & DISTRIBUT ION Figure 1. Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 5

    2008-02-18 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 6

    10-00 Page 1 2008-02-18 10-00 INTRODUCTION[...]

  • Page 7

    10-00 Page 2 2008-02-18 1. PRINCIPLE OF OPERATION (1) The NORTEC NHRS uses an advanced control system to monitor and maintain optimum operating conditions within the humidifier cylinder. (2) The NHRS humidifier operates on Potable, DI (De-ionized), or RO (Reverse osmosis) water supply. All components are suitable for DI/RO water operation as a stan[...]

  • Page 8

    10-00 Page 3 2008-02-02 Figure 1. NHRS[...]

  • Page 9

    10-00 Page 4 2008-02-18 THIS PAGE ITENTIONALLY LEFT BLANK[...]

  • Page 10

    10-10 Page 1 2008-02-18 10-10 HUMIDITY, STEAM ABSORPTION & DISTRIBUTION[...]

  • Page 11

    10-10 Page 2 2008-02-18 1. CONTROLS A. STANDARD CONTROLLE RS (1) NORTEC has a wide range of modulation packages for use with the NHRS humidifiers. The packages all provide humidity controllers complete with point for accuracy up to ±3%. For accuracy u p to ±1% a high precision humidistat is required. B. FULLY INTEGRATED MODULATION A DAPTER (1) Th[...]

  • Page 12

    10-10 Page 3 2008-02-18 D. VARIABLE AIR VOLUME (VAV ) CONTROL SYSTEM (1) NORTEC offers several VAV control packages where VAV or variable duct temperature, air flow or humidity conditions require additional control fle xibility. 2. STANDARD FEAT URES AND BENEFITS (1) NORTEC NHRS humidifiers can be suited for all humidity control applications. Resis[...]

  • Page 13

    10-10 Page 4 2008-02-18 3. ELECTRICAL (1) Humidifiers require field wiring to the primary voltage terminal block. Power and fusing requirements are as indicated on the Specificat ion label. Wiring is fed through an electrical knockout in the bottom back of the electrical cabinet. 4. CLEARANCES (1) The clearance dimensions shown in the manual are fo[...]

  • Page 14

    10-10 Page 5 2008-02-18 Table 1. Technical Data NHRS Model / Capacity (lbs/hr) VOLTAGE PHASE RATED AMPS RATED K.W. MAX. EXT. CIRCUIT PROTECTION 010 [11.25] 208 1 18.39 3.83 25 010 [11.25] 230 1 15.94 3.83 20 010 [11.25] 460 1 7.97 3.83 15 010 [11.25] 575 1 6.38 3.83 15 015 208 1 24.52 5.10 35 015 230 1 21.25 5.10 30 015 460 1 10.63 5.10 15 015 575 [...]

  • Page 15

    10-10 Page 6 2008-02-18 Figure 2. NHRS Physical Data – 010-090[...]

  • Page 16

    10-10 Page 7 2008-02-18 Figure 3. NHRS Physical Data – 135-180[...]

  • Page 17

    10-10 Page 8 2008-02-18 Figure 4. RMBP Physical Data Dimensions[...]

  • Page 18

    10-20 Page 1 2008-02-18 10-20 SPECIFICATION[...]

  • Page 19

    10-20 Page 2 2008-02-18 1. HUMIDIFIERS A. GENERAL (1) Work Included (a) NORTEC NHRS Resistive Element steam humi difier[s] as indicated on drawing[s] and as indicated on schedule[s]. (b) Complete and operable humidification system [which meets applicable building codes]. (c) Equipment start-up and project inspection by qualified factory trained rep[...]

  • Page 20

    10-20 Page 3 2008-02-18 (4) Extra Material (a) Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. (5) References (a) ANSI/NFPA 70 - National Electrical Code. (6) Coordination (a) Coordinate location and installation of humid[...]

  • Page 21

    10-20 Page 4 2008-02-18 (vii) Float level check. (viii) Drain pump check. (ix) Dual signal status light indicates unit operation. (x) Cabinet has powder coated paint fini sh with removable door to allow the user full front access. (xi) Plumbing door interlock safety switch. (c) Factory mounted, alpha numeric, Liquid Crystal Display (LCD) provides f[...]

  • Page 22

    10-20 Page 5 2008-02-18 (b) Seal humidifier dispersion-tube duct penetrations with flange. (c) Install with required clearance for service and maintenance. 3. TESTING (a) System verification testing is part of the commissioning process. Verification testing shall be performed by the Contractor and witnessed and documented by the Commissioning Autho[...]

  • Page 23

    10-20 Page 6 2008-02-18 2. ACCESSORIES / OPTIONS AVAILABLE A. NHRS UNIT CONFI GURATION OPTIONS (1) Solid State Relay option provides the highest level of relative humidity control available. With de-ionized water and high precision control the Solid State Relay option is capable of maintaining ±1% relative humidity control. For ordering informatio[...]

  • Page 24

    10-20 Page 7 2008-02-18 E. BLOWER PACK (1) Wall mounted direct steam distribution system allows for direct space/room humidification when steam introduction into a ducted system is not feasible. The factory assembled remote mounted blower pack includes an integral steam distributor, 3 direct drive fans. F. SHORT ABSORPTION MANIF OLDS (1) This distr[...]

  • Page 25

    WARRANTY (1) WALTER MEIER INC. and/or WALTER MEIER LTD. (hereinafter collective ly referred to as THE COMPANY), warrant for a period of two years afte r installation or 30 months from manufacturer’s ship date, whichever date is earlier, th at THE COMPANY’s manufactured and assembled products, not ot herwise expressly warranted (with the excepti[...]

  • Page 26

    U.S.A. W alter Meier (Climate USA) Inc. 826 Proctor Avenue Ogdensburg, NY 13669 TEL: 1-866-NORTEC-1 EMAIL: northamerica.climate@waltermeier .com WEBSITE: www .humidity .com CANADA W alter Meier (Cli mate Canada) Ltd. 2740 Fenton Road Ottawa, ON K1 T 3T7 TEL: 1-866-NORTEC-1 F AX: (613 ) 822-7964 Authorized Agent:[...]