Nortec EL005 Installation Manual

Nortec EL005 Installation Manual

El series, electrode steam humidifier
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IMPORTANT! Read and save these instructions. This manual to be left with the equipment.
INSTALLATION MANUAL
Electrode Steam Humidifier
Nortec EL Series
Humidification and Evaporative Cooling

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Summary of Contents for Nortec EL005

  • Page 1 IMPORTANT! Read and save these instructions. This manual to be left with the equipment. INSTALLATION MANUAL Electrode Steam Humidifier Nortec EL Series Humidification and Evaporative Cooling...
  • Page 2 Proprietary Notice This document and the information disclosed herein are proprietary data of Nortec Humidity Ltd. Neither this docu- ment, 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, operation or maintenance of the customer's equipment.
  • Page 3: Table Of Contents

    Common Steam and Condensate Line Installation Mistakes 5.5.4 Steam Connections Checklist Water Connections 5.6.1 Water Connections Overview 5.6.2 Water Connection Requirements 5.6.3 Water Connections Checklist Humidity Control Systems 5.7.1 Control Device Locations 5.7.2 Permissible Control Signal Inputs 2582302_C_EN_1611 Nortec EL Contents...
  • Page 4 Electrical Connections 5.8.1 General 5.8.2 Wiring Diagrams 5.8.2.1 Nortec EL Steam Humidifier, Steam Cylinder A 5.8.2.2 Nortec EL Steam Humidifier, Steam Cylinder B (Large Units Only) 5.8.3 External Connections 5.8.3.1 3-Phase Power Supply Connection 5.8.3.2 Single-Phase Power Supply Connection 5.8.3.3 External Safety Chain 5.8.3.4...
  • Page 5: Introduction

    Additional information on available options and accessories can be obtained in the instructions that are supplied with them. This manual is restricted to the installation of the Nortec EL steam humidifier, and is intended for well trained personnel who are suitably qualified for their respective tasks.
  • Page 6 Keep this manual in a place where it is safe and readily accessible. If the equipment is moved to another location, make sure that the manual is passed on to the new user. If the manual is lost or misplaced, contact your local Nortec representative for a replacement copy. 2582302_C_EN_1611...
  • Page 7: For Your Safety

    For Your Safety General Every person who is tasked with the installation of the Nortec EL steam humidifier must read and under- stand this manual before performing any work. Knowing and understanding the contents of the installa- tion manual and the operation and maintenance manual is a basic requirement for protecting personnel against any kind of danger, preventing faulty operation, and operating the unit safely and correctly.
  • Page 8 Preventing Unsafe Operation All personnel working with the Nortec EL steam humidifier must immediately report to the customer any alterations to the unit that may affect safety, and secure the humidifier against accidental power-up. Modifications to the Unit Prohibited Modifications are not permitted on the Nortec EL steam humidifier without the express written consent of Nortec.
  • Page 9: Receiving And Storage

    Storage and Transportation Storage Store the Nortec EL steam humidifier in its original packaging inside a protected area that meets the following requirements until it is installed, or if it needs to be stored for an extended period of time: –...
  • Page 10 This page intentionally left blank 2582302_C_EN_1611 Nortec EL Receiving and Storage...
  • Page 11: Product Overview

    The Nortec EL steam humidifier comes in three different housing sizes depending on the steam capac- Figure 1. These units can range from 5 lb/h (2.2 kg/h) to 200 lb/h (91 kg/h) – refer to "Models...
  • Page 12: Models Overview

    Models Overview The Nortec EL steam humidifier is available in different sizes (S, M and L) with different heating voltages Table 1 and steam capacities as shown in below. Table 1: Nortec EL Steam Humidifier Models 110- 220- 380- 440-...
  • Page 13: Options

    Circuit Protection XXXXXXXX B Figure 3: Nortec EL Steam Humidifier Specification Label Options Table 2 shows the list of options for the Nortec EL steam humidifier. Contact your Nortec representative for details. Table 2: Nortec EL Options Option Application Mounting bar Provides two mounting bars which fit into each other for wall mounting.
  • Page 14: Accessories

    Accessories Table 3 shows the list of accessories for the Nortec EL steam humidifier. Contact your Nortec representative for details. To install and operate the accessories, refer to the instructions supplied with the accessories. Table 3: Nortec EL Accessories...
  • Page 15: Installation

    Touching live parts may cause severe injury or even death. Prevention: The Nortec humidifier must be connected to the mains only after all installation work has been completed, checked for correct workmanship, and the door panels are closed and fas- tened securely.
  • Page 16: Installation Overview

    Installation Overview The Nortec EL humidifier can use a steam distributor to distribute steam through air ducts – refer to Figure 4. The humidifier can also use a blower pack to distribute steam directly into a conditioned space Figure 5 on page –...
  • Page 17 Note 3: The air gap and trap should be located to the left of the humidifier, as shown. A 2-1/2 in to 7/8 in (63.5 mm to 22 mm) reducer is ideal (Nortec option P/N 2522172). The hose must not touch the bottom of the funnel.
  • Page 18: Typical Installation For Direct Room Humidification

    12 in (30 cm) straight up before running to the steam distributor. The minimum bend radius for steam hose is 12 in (30 cm), or 5× the internal diameter for rigid pipes. Refer to Table 6 on page 28 for steam line recommendations. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 19: Site Requirements

    Note 3: The air gap and trap should be located to the left of the humidifier, as shown. A 2-1/2 in to 7/8 in (63.5 mm to 22 mm) reducer is ideal (Nortec option P/N 2522172). The hose must not touch the bottom of the funnel.
  • Page 20: Mounting The Humidifier

    5.4.1 Location and Clearances The location of the humidifier depends largely on the steam distribution system. For the required minimum clearances for a Nortec EL steam humidifier with a built-on blower pack refer to "Placement of Humidifier" on page 24; or refer to the blower pack manual for a remote-mounted blower pack.
  • Page 21 Figure 6: Nortec EL Humidifier Suggested Clearances 2582302_C_EN_1611 Nortec EL Installation...
  • Page 22: Standard Mounting

    Standard Mounting "Location and Clearances" on page 16, and install it on the Locate the Nortec EL humidifier according to mounting surface as follows: 1. Locate 2×4 wooden studs or equivalent support in the mounting surface, and mark the attachment points “A”...
  • Page 23 5. Align the humidifier with the help of a level, then tighten the lag bolts. 6. Install additional lag bolts (supplied by others) into the mounting surface at attachment points “B”, and fasten securely. 7. Reinstall the door panels, and fasten them securely. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 24: Mounting Using Optional Mounting Bar

    "Location and Clearances" on page 16, and install it on the Locate the Nortec EL humidifier according to mounting surface as follows using the optional mounting bar. Mounting bars are a factory-installed option. If ordered, the corresponding bars and bumpers will be riveted/installed to the housing at the factory.
  • Page 25 4. Carefully raise the humidifier into position, and hang it on the mounting bar. 5. Secure the humidifier to the mounting bar with the M6×10 screw (supplied), and fasten securely. 6. Reinstall the door panels, and fasten them securely. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 26: Mounting To Oshpd Seismic Requirements

    5.4.4 Mounting to OSHPD Seismic Requirements The Nortec EL is certified to OSHPD seismic requirements in its standard configuration (reference OSP- 0225-10); no additional kits are required. The humidifier must be mounted as per the instructions in this section in order to fulfill the seismic requirements.
  • Page 27 8. Install additional grade B5 (or equivalent) lag bolts and flat washers (supplied by others) into the plywood sheet (or equivalent) at attachment points “B”, and fasten securely. 9. Reinstall the door panels, and fasten them securely. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 28: Mounting Checklist

    … Unit fastened securely? Steam Line Connections Steam generated by the Nortec EL humidifier is not pressurized, but is delivered at atmospheric pressure. It can be distributed directly into a conditioned space with a built-on or remote-mounted blower pack, or into an AHU (air handling unit) using Nortec steam distributors or Nortec SAM-e steam distribution manifold.
  • Page 29: Remote-Mounted Blower Pack

    Figure 13: Clearance Requirements for Nortec EL Humidifier with Built-on Blower Pack 5.5.2.2 Remote-Mounted Blower Pack For the installation requirements and installation procedure for the remote-mounted blower pack, refer to the blower pack manual. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 30: Best Practices For Installing Steam And Condensate Lines

    Do not decrease the diameter of the steam line, as it increases the backpressure in the line and also allows condensation of the steam. If that is unavoidable, install a Nortec steam line reducer at the connection to the steam distributor only, and install a condensate line just before the restriction.
  • Page 31 • Do not install a shutoff valve (e.g. a manually operated shutoff valve, solenoid valve, etc.) in the steam line. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 32 (30 m) (50 mm) × 0.065 wall (45 mm (50 mm × 1.65 mm wall) × 1.65 mm wall) Nortec Steam Hose EL005- 10 ft P/N 1328810 – 7/8 in (22 mm) 0.1 lb/h/ft EL030 (3 m) (0.15 kg/h/m) EL050- 10 ft P/N 1328820 –...
  • Page 33 15 ft (4.5 m). – Use 3/8 in (9.5 mm) Nortec condensate hose, or 3/8 in (9.5 mm) stainless steel pipe or 1/4 in (6.5 mm) copper pipe for traps in the condensate lines. –...
  • Page 34 28. The minimum bend radius is 12 in (300 mm) for a steam hose, or 5× the internal diameter for rigid steam pipes. All condensate traps must have a minimum height of 8 in (200 mm). 2582302_C_EN_1611 Nortec EL Installation...
  • Page 35 5× the internal diameter for rigid steam pipes. All condensate traps must have a minimum height of 8 in (200 mm). Obstacle Condensate line must connect into a full-size "T" connector installed at the lowest point in the steam line. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 36 5× the internal diameter for rigid steam pipes. All condensate traps must have a minimum height of 8 in (200 mm). Steam line must have a minimum of 1 in (25 mm) of pipe insulation over its entire length. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 37 5× the internal diameter for rigid steam pipes. All condensate traps must have a minimum height of 8 in (200 mm). Steam line must have upslope (minimum 10°) /downslope (minimum 2°), and condensate line must constant minimum downslope of 1 in/48 in (1.2°). 2582302_C_EN_1611 Nortec EL Installation...
  • Page 38: Common Steam And Condensate Line Installation Mistakes

    A condensate trap must also be installed a minimum of 12 in (300 mm) below the steam line. Steam lines must not merge or reduce in diameter except at the steam distributor (only through a Nortec adaptor), and must have a condensate line just before the restriction.
  • Page 39: Steam Connections Checklist

    … Steam lines do not reduce in diameter except, if required, at the steam distributor, and condensate line installed just before the restriction? … Steam lines do not merge except at the steam distributor through a Nortec adaptor? … Steam line does not sag or kink? Supported adequately? Any low points in line without condensate trap? …...
  • Page 40: Water Connections

    Adaptor, 3/4 BSPP to 1/2 in NPT (supplied) Fill valve (3/4 in BSPP plastic threads) Air gap and optional trap (not supplied) Shutoff valve (not supplied) 10 Filter, 5 μm (optional, but recommended) 11 Union fitting (not supplied) 2582302_C_EN_1611 Nortec EL Installation...
  • Page 41 Adaptor, 3/4 BSPP to 1/2 in NPT (supplied) Fill valve (3/4 in BSPP plastic threads) Air gap and optional trap (not supplied) Shutoff valve (not supplied) 10 Filter, 5 μm (optional, but recommended) 11 Union fitting (not supplied) 2582302_C_EN_1611 Nortec EL Installation...
  • Page 42: Water Connection Requirements

    … Drain lines from large humidifiers with dual steam cylinders empty into separate open air gap funnels before connecting to the drain? Combined drain line minimum 1.5 in (38 mm) ID? … All debris flushed from supply and drain lines? 2582302_C_EN_1611 Nortec EL Installation...
  • Page 43: Humidity Control Systems

    (or lack thereof). 5.7.2 Permissible Control Signal Inputs Table 8 shows the different permissible control signal inputs the Nortec EL steam humidifier can handle. Table 8: Permissible Control Signal Inputs Humidity Control with External Con- Humidity Control with Internal PI...
  • Page 44: Electrical Connections

    Touching live parts may cause severe injury or even death. Prevention: The Nortec humidifier must be connected to the mains only after all installation work has been completed, checked for correct workmanship, and the door panels are closed and fastened securely.
  • Page 45: Wiring Diagrams

    J22 LED DISPLAY Analog Out Analog Out DISPLAY Sensor Supply Sensor Supply Max. 60mA Max. 60mA Accessory Board (option) Remote Fault Board (option) Figure 24: Wiring Diagram - Nortec EL Humidifier, Steam Cylinder A (Module A) 2582302_C_EN_1611 Nortec EL Installation...
  • Page 46 JP7 Jumper for activating Modbus or BACnet MSTP communication via connector J6. JP8 Termination, Linkup system J10 Linkup connector K1 Main contactor, supply voltage LV Low voltage terminal strip A SW1 Rotary switch, module identification (Module A: 0) X0 Terminal block, supply voltage 2582302_C_EN_1611 Nortec EL Installation...
  • Page 47: Nortec El Steam Humidifier, Steam Cylinder B (Large Units Only)

    O Orange Connects to Terminal X15 in Driver Board A Figure 25: Wiring Diagram - Nortec EL Humidifier, Steam Cylinder B (Module B) F1 Internal fuse, driver board (1A, slow-acting) F3 Internal fuse, driver board (4A, slow-acting) K1 Main contactor, supply voltage...
  • Page 48: External Connections

    5.8.3 External Connections The different external connections to the Nortec EL steam humidifier are discussed below. 5.8.3.1 3-Phase Power Supply Connection Figure 26 shows the 3-phase power supply connections for the Nortec EL steam humidifier. IMPORTANT! The optional internal fuse is not a substitute for an external fuse. A dedicated...
  • Page 49: Single-Phase Power Supply Connection

    5.8.3.2 Single-Phase Power Supply Connection Figure 27 shows the single-phase power supply connections for the Nortec EL steam humidifier. IMPORTANT! The optional internal fuse is not a substitute for an external fuse. A dedicated external fused disconnect switch must be installed, and the fuse rating must not exceed the maximum circuit protection indicated on the specification label –...
  • Page 50: External Safety Chain

    External Safety Chain Connections Blower pack High limit humidistat – highly recommended Air proving switch Jumper (installed if no devices connected to safety chain – not recommended) Jumper (installed if the blower pack is not used) 2582302_C_EN_1611 Nortec EL Installation...
  • Page 51: Modulating Demand Or Humidity Signal

    If the shielding of the signal is already connected to a potential or a grounded conductor, do not connect it to terminal point "3". Figure 29: Modulating Demand or Humidity Signal Connection Modulating demand or humidity sensor signal Modulating demand or humidity sensor signal (additional) 2582302_C_EN_1611 Nortec EL Installation...
  • Page 52: Ohmic Humidity Controller (Passive)

    10V (so that output of terminal point "6" is 10V), and Signal Type must be set to "0-10V" in the control software. Refer to the Operation and Maintenance Manual. Figure 30: Ohmic Humidity Controller Connection Ohmic humidity controller, 135-10kΩ 2582302_C_EN_1611 Nortec EL Installation...
  • Page 53: On/Off Humidistat

    The signal cable must lead into the control cabinet through a cable gland or grommet Enable Input must be set to "On" in the control software to use this input signal – refer to the Operation and Maintenance Manual. 2582302_C_EN_1611 Nortec EL Installation...
  • Page 54: Dual Steam Cylinders Control Wiring

    5.8.3.8 Dual Steam Cylinders Control Wiring The dual steam cylinders in the large model Nortec EL steam humidifier can be configured to operate in series, in parallel, or independently – by setting Dual Cylinder Mode in the controls software. Refer to the Operation and Maintenance Manual.
  • Page 55: Remote Relay Pcb Connections

    5.8.3.9 Remote Relay PCB Connections The optional remote relay PCB (printed circuit board) on the Nortec EL steam humidifier has the follow- ing four potential-free relay contacts for remote display of humidifier status and fault conditions. Refer Figure 34 for the relevant terminal contacts.
  • Page 56: Accessory Relay Pcb Connections

    5.8.3.10 Accessory Relay PCB Connections The optional accessory relay PCB on the Nortec EL steam humidifier has the following four potential- free relay contacts that can be used to control other accessory devices. Refer to Figure 35 for the relevant terminal contacts.
  • Page 57: Modbus Connection

    J6. 2. Install the jumper JP4 on the control board if the Nortec EL steam humidifier is the first or last unit in the network. Termination is generally not required if the network is less than 3280 ft (1000 m) in length.
  • Page 58: Connecting Multiple Units Using Linkup

    5.8.4 Connecting Multiple Units Using Linkup The integrated controller in the Nortec EL steam humidifier allows up to six integrated controllers (for a maximum of 12 steam cylinders) to be connected in a "main-extension" configuration using Nortec's Linkup system. All the humidifiers within this setup must share the same location, and all linked units will be controlled by one set of control signals connected to the main unit.
  • Page 59: Maximum External Fuse

    Extension unit #X (no control signals to unit) Jumper (on all extension units) Termination jumper, JP8 (only on last unit in Linkup chain) 5.8.5 Maximum External Fuse Table 11: Maximum External Fusing, Nortec EL Duct Single-Phase 110-120V/1~ 208V/1~ 220-240V/1~ 277V/1~...
  • Page 60 Table 12: Maximum External Fusing, Nortec EL Duct 3-Phase 208V/3~ 220-240V/3~ 380-415V/3~ 440-480V/3~ 550-600V/3~ EL Duct 005 – – – – – – – – – – – – – – – EL Duct 010 – – – – –...
  • Page 61: Electrical Connections Checklist

    Table 14: Maximum External Fusing, Nortec EL Space 3-Phase 208V/3~ 220-240V/3~ 380-415V/3~ 440-480V/3~ 550-600V/3~ EL Space 005 – – – – – – – – – – – – – – – EL Space 010 – – – – –...
  • Page 62 This page intentionally left blank 2582302_C_EN_1611 Nortec EL Installation...
  • Page 63: Product Specifications

    65 lb 150 lb 245 lb (30 kg) (68 kg) (112 kg) EL Space Net weight 83 lb 123 lb – (38 kg) (56 kg) Operating weight 103 lb 188 lb – (47 kg) (85 kg) 2582302_C_EN_1611 Nortec EL Product Specifications...
  • Page 64: Dimensions

    (57.6) 2.25 (57) Optional mounting bar shown G 3/4" (51) 1.22 (31) ø 8.32 (211.5) Figure 38: Nortec EL Steam Humidifier , Small Housing Dimensions are in inches, and values in brackets are in millimeters. 2582302_C_EN_1611 Nortec EL Product Specifications...
  • Page 65 1.37 0.28 (88.5) (530) (406.5) (364) (35) 2.43 16.0 2.43 (61.8) (406.5) (61.8) 2.25 (57) Optional mounting bar shown G 3/4" (51) 1.22 (31) ø 12.66 (321.5) Figure 39: Nortec EL Steam Humidifier, Medium Housing 2582302_C_EN_1611 Nortec EL Product Specifications...
  • Page 66 39.37 (117) (70) (406) (406.5) (406.5) (1000) 4.21 Optional mounting (107) bar shown 2x G 3/4" 2x 1.22 (51) 12.67 (31) ø 16.06 (321.5) (408) 26.71 (678.5) Figure 40: Nortec EL Steam Humidifier, Large Housing 2582302_C_EN_1611 Nortec EL Product Specifications...
  • Page 67 (80) 15.8 (12) (418) (400) 35.2 (893) 13.0 (329) Drain connection Primary power ø 1.18 (30) (229) (40) (72) (91) 14.5 Fill connection (369) ½ NPT Figure 41: Nortec EL Space Steam Humidifier, Small Housing 2582302_C_EN_1611 Nortec EL Product Specifications...
  • Page 68 (35) (89) (418) (415) (12) 39.5 (1003) 14.9 (380) Drain connection Primary power ø 1.18 (30) (32) (232) (91) (62) Fill connection 18.9 ½ NPT (479) Figure 42: Nortec EL Space Steam Humidifier, Medium Housing 2582302_C_EN_1611 Nortec EL Product Specifications...
  • Page 69: Appendix

    … Steam lines do not reduce in diameter except, if required, at the steam distributor, and condensate line installed just before the restriction? … Steam lines do not merge except at the steam distributor through a Nortec adaptor? … Steam line does not sag or kink? Supported adequately? Any low points in line without condensate trap? …...
  • Page 70 … All cables fastened securely? … All cables free of tension and pass through cable glands or grommets? … Electrical installation meet the applicable national and local codes? … All door panels closed and fastened securely? 2582302_C_EN_1611 Nortec EL Appendix-A...
  • Page 71: B Appendix

    Appendix Commissioning Checklist The Nortec EL humidifier must always be commissioned for the first time by a service technician from your local Nortec representative, by a Nortec employee, or by personnel who are well trained and authorized by the cus- tomer.
  • Page 72 Combined drain line minimum 1.5 in (38 mm) ID). Drainage rate if building drain meets requirement: (Minimum 2.3 gal/min (8.7 L/min) per steam cylinder required). Building drain piping material meets requirement: (Only copper or stainless steel permitted). 2582302_C_EN_1611 Nortec EL Appendix-B...
  • Page 73 Steam Line Condensate Drains Controls Note: Make sure all condensate drains meet these requirements. Note: If Nortec control devices are installed, enter their locations below; otherwise leave empty. Slope of all condensate lines meets requirement: Nortec humidity controls location: (Minimum constant downslope of 1 in/48 in (1.2°) required).
  • Page 74: Performance Checklist

    Mini-SAM-e Steam cylinder seated properly in its Blower Pack base: ASD/BSD/CSD Condensate trap inside the unit primed: (Nortec GS CS/NX models only). Model: All access panels installed and fastened securely: Number of XSD units: Distance to obstruction: Start-Up (Minimum 1× absorption distance required from the distributor to first obstruction (coil/bend ) downstream).
  • Page 75 To save the completed electronic forms, first select the Save Form button above, and select "Adobe PDF" from the Printer drop-down list in the dialog box. Then select the page numbers, and click Print. Finally, enter a file name in the dialog box, and click Save. 2582302_C_EN_1611 Nortec EL Appendix-B...
  • Page 76 2582302_C_EN_1611 Nortec EL Appendix-B viii...
  • Page 77 Warranty Nortec Humidity Inc. and/or Nortec Humidity 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 war- ranted (with the exception of the cylinder), are free from defects in material and workmanship.
  • Page 78 Consulting, Sales and Service: U.S.A. 835 Commerce Park Drive, Ogdensburg, NY 1366-2209 CANADA 2740 Fenton Road Ottawa, ON, K1T 3T7 Tel: 1.866.NORTEC1 Fax: 613.822.7964 Email: nortec@humidity.com Website: www.humidity.com...

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