Nortec NH Series Installation Manual
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Nortec NH Series Installation Manual

Electrode steam humidifier outdoor model
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NH
Series
TM
Outdoor
ELECTRODE
STEAM HUMIDIFIER
Outdoor Model
Installation Manual
2531550-B

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  • Page 1 Series Outdoor ELECTRODE STEAM HUMIDIFIER Outdoor Model Installation Manual 2531550-B...

  • Page 2: Proprietary Notice

    PROPRIETARY NOTICE This document and the information disclosed herein are proprietary data of Walter Meier. Neither this document nor the information contained herein shall be reproduced used, or disclosed to others without the written authorization of Walter Meier, except to the extent required for installation or maintenance of recipient’s equipment.

  • Page 3: Table Of Contents

    MOVING AND HANDLING THE HUMIDIFIER ........
  • Page 4 Humidifier ........
  • Page 5 THIS PAGE INTENTIONALLY LEFT BLANK 2008-10-01...

  • Page 6: Introduction

    10-00 INTRODUCTION 10-00 Page 1 2008-10-01...

  • Page 7: Preinstallation

    HUMIDIFIER SKID Typically the NH Series Outdoor Humidifier ships on a skid (shown in Figure 1). Controls and accessories are shipped separately in a box. The contents of the box will be listed on the outside of the box.

  • Page 8: Accessories Box

    ACCESSORIES BOX Additional accessories such as drain water coolers and filters are shipped in a separate box. Smaller accessories that would fit in the humidifier box are put in the humidifier box and the box is identified as containing such.

  • Page 9: Humidifier Figure 2. Distributor Box Contents

    Figure 1. Humidifier Figure 2. Distributor Box Contents Figure 3. SAM-e Distributor Box Figure 4. Blower Pack Box Contents 10-00 Page 4 2008-10-01...

  • Page 10: Preinstallation Equipment Verification

    The NH Outdoor Series humidifier is bolted to a shipping skid for easy transportation. While still attached the skid, the humidifier can be lifted to a rooftop or other location using a forklift or crane. The unit can also be positioned for wall mounting using a forklift as long as the skid is attached, although it may be easier to manually lift the unit onto its wall brackets.
  • Page 11 THIS PAGE ITENTIONALLY LEFT BLANK 10-00 Page 6 2008-10-01...

  • Page 12: Installation Procedures

    10-10 INSTALLATION PROCEDURES 10-10 Page 7 2008-10-01...

  • Page 13: Humidifier Installation

    Please refer to Table 1: Weather Design Data in this document. It is also important to consider the length and location of the humidifier steam line that will result from the installation. Consult section 10-10 in the NH Series Indoor Installation guide for further information on steam lines.

  • Page 14: Curb Mounting

    The pan in the bottom of all outdoor models has a pipe chase for routing of services into the humidifier from below. If the humidifier will be roof mounted, it is not necessary to make the hole in the roof the same size as the curb, the curb drawing shows the size and location of the pipe chase required.
  • Page 15 5/16” x 3” (minimum) flat head screws. (See Figure 4). Using proper lifting techniques, lift the humidifier onto the brackets to mount it. Several people may be required to lift the unit. Ensure that both the bracket and humidifier are mounted level.

  • Page 16: Figure 1. Recommended Clearances And Curb Dimensions

    FRONT VIEW BOTTOM VIEW KNOCKOUT FOR OPTIONAL WATER INLET 5" (12.7cm) ROOF PIPE CHASES FRONT Model Dim. A ** 0-50lbs 34.7" (88.1cm) 50-100lbs 55.1" (140.0cm) 100-200lbs 55.1" (140.0cm) NHRS humidifiers under 50lbs/hour require a medium Outdoor Enclosure Figure 1. Recommended Clearances and Curb Dimensions 10-10 Page 11 2008-10-01...

  • Page 17: Figure 2. Typical Air Handling Unit Installation

    NH OUTDOOR TYPICAL AIR HANDLING UNIT INSTALLATION AIR HANDLING UNIT INSULATED AND HEAT-TRACED WATER SUPPLY (BY OTHERS) CAN ALSO BE ROUTED THROUGH PIPE-CHASE AND PROVIDED PUNCHOUTS 3-WAY VALVE OR NO-NC VALVE ARRANGEMENT MANUAL SHUT-OFF (BY OTHERS) Figure 2. Typical Air Handling Unit Installation NH OUTDOOR TYPICAL ROOFTOP CURB INSTALLATION INSULATED STEAM LINE (BY OTHERS)

  • Page 18: Figure 4. Typical Wall Mount Installation

    Figure 4. Typical Wall Mount Installation 10-10 Page 13 2008-10-01...

  • Page 19: Electrical Installation

    This prevents water from flowing to the humidifier when there is no demand, or in the event of a power failure. After the first valve the water should flow to a tee. The central branch of the tee is to be plumbed to the humidifier.
  • Page 20 Additionally the following points should be considered: Each unit is supplied with a ½” NPT male connection to the fill valve. Refer to the NH series indoor installation guide for allowable pressures and fill rates. ALL OUTDOOR LINES MUST BE PROPERLY HEAT TRACED AND...

  • Page 21: Figure 5. Normally Open / Normally Closed Valve Arrangement

    Figure 5. Normally Open / Normally Closed Valve Arrangement 10-10 Page 16 2008-10-01...

  • Page 22: Figure 6. 3-Way Valve Arrangement

    Figure 6. 3-Way Valve Arrangement 10-10 Page 17 2008-10-01...

  • Page 23: Drainl Line

    DRAIN LINE NH Series Outdoor units require and external drain line to provide for draining from the unit. ALL OUTDOOR PIPING SHOULD BE PROPERLY INSULATED AND HEAT TRACED TO PREVENT FREEZING. Route the drain hose to a drain funnel inside the building to provide an air gap before entering the main building drain/sewage system.

  • Page 24: Important Information

    Absorption Manifold Form #XX-249). IMPORTANT INFORMATION GENERAL YOUR HUMIDIFIER OPERATES ON HIGH VOLTAGE AND CURRENTS, WHICH CAN CAUSE SERIOUS INJURY OR DEATH. ENSURE THAT THE POWER TO THE UNIT IS OFF BEFORE PERFORMING ANY SERVICE WORK ON THE HUMIDIFIER. ONLY QUALIFIED PERSONNEL SHOULD PERFORM MAINTENANCE OR REPAIRS ON THE HUMIDIFIER.

  • Page 25: Freeze Protection System (Optional)

    When the thermostat detects that the water inside the humidifier has cooled to 43°F (6°C), the valve opens allowing water to drain. The freeze protection system drains water from steam cylinders, reservoirs, hoses, and internal lines.

  • Page 26: Servicing Nhrs With Scale Management System

    If the NORTEC OnLine option was ordered, cylinder change notices will be delivered via email. Please refer to the NH Series Indoor Installation guide for further details on replacing cylinders. E. SERVICING NHRS WITH SCALE MANAGEMENT SYSTEM As with the indoor units, the scale collector tanks on the NHRS must be emptied periodically based on supply water conditions.

  • Page 27: Operation And Additional Maintenance

    Please refer to the NH Series Installation guide for more details. B. ADDITIONAL MAINTENANCE In addition to the maintenance items listed in this guide, the NH Series Installation Guide lists other maintenance items that apply the entire NH Series (indoor and outdoor).

  • Page 28: Table 1. Weather Design Data

    Temperature Bulb State/Province City Alabama Birmingham Mobile Arizona Flagstaff Phoenix Yuma Arkansas Little Rock California Eureka Fresno Los Angeles Sacramento San Diego San Francisco Colorado Denver Grand Junction Pueblo Connecticut New Haven Delaware Wilmington District of Columbia Washington Florida Jacksonville Miami Georgia Atlanta...
  • Page 29 Missouri Kansas City St. Louis Montana Billings Butte Nebraska North Platte Omaha Nevada Reno New Hampshire Concord New Jersey Atlantic City Newark Trenton New Mexico Albuquerque New York Albany Buffalo New York Rochester North Carolina Asheville Raleigh North Dakota Bismarck Ohio Cincinnati Cleveland...
  • Page 30 Wyoming Cheyenne Alberta Calgary Edmonton Grande Prairie Lethbridge Medicine Hat British Columbia Estevan Point Fort Nelson Penticton Prince George Prince Rupert Vancouver Manitoba Brandon Churchill The Pas Winnipeg New Brunswick Campbellton Fredericton Moncton Saint John's Newfoundland Corner Brook Gander Goose Bay St.
  • Page 31 Sherbrooke Trois Rivieres Saskatchewan Prince Albert Regina Saskatoon Swift Current Yukon Territory Dawson Whitehorse Table Source: ASHRAE 10-10 Page 26 2008-10-01...

  • Page 32: Technical

    10-20 TECHNICAL 10-20 Page 27 2008-10-01...

  • Page 33: Figure 1. Nhrs Outdoor Exploded View

    Figure 1. NHRS Outdoor Exploded View 10-20 Page 28 2008-10-01...

  • Page 34: Figure 2. Nhtc Oudoor Exploded View

    Figure 2. NHTC Outdoor Exploded View 10-20 Page 29 2008-10-01...
  • Page 35 THIS PAGE INTENTIONALLY LEFT BLANK 10-20 Page 30 2008-10-01...

  • Page 36: Wiring Diagrams

    10-30 WIRING DIAGRAMS 10-30 Page 31 2008-10-01...
  • Page 37 Figure 1. Wiring Diagram NHTC Outdoor 10-30 Page 32 2008-10-01...
  • Page 38 Figure 2. Wiring Diagram NHRS Outdoor (Single) 10-30 Page 33 2008-10-01...
  • Page 39 Figure 3. Wiring diagram NHRS Outdoor (Double) 10-30 Page 34 2008-10-01...
  • Page 40 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 41: Warranty

    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.
  • Page 42 INSTALLATION DATE (MM/DD/YYYY) MODEL # SERIAL # CYLINDER # Cylinder Replacement Date (MM/DD/YYYY) U.S.A. Walter 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 Walter Meier (Climate Canada) Ltd. 2740 Fenton Road Ottawa, ON K1T 3T7 TEL: 1-866-NORTEC-1 FAX: (613) 822-7964...

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