Nortec NH Series User Manual

NH Series Installation and Operation Manual Includes installation, operation maintenance and troubleshooting information for your NHRS Res

7 | Introduction Table 3: NHRS Specifications Phase Capacity lb/hr (kg/hr) Volts NHRS Part No. Amps Max Ext Fuse kW Fill gpm (l/min) Net/Full Weight

Installation | 8 Installation 9 Typical Humidifier Installation 10 Location 11 Blower Pack Clearance Requirements 12 Mounting with Ke

9 | Installation Typical Humidifier Installation Figure 4: Typical Humidifier Installation Mounting Page 10 S

Installation | 10 Location  Mount on a suitable wall or vertical surface. Do not sit the unit on the floor to allow clearances required for plum

11 | Installation Blower Pack Clearance Requirements For more information regarding the clearance requirements of the Remote Mounted Blower Pack (P

Installation | 12 Mounting with Keyholes 1. The NHRS Series humidifier is wall mounted using keyholes located on the back of the unit cabinetry. 2

13 | Installation Note: • Drain water is very hot, do not drain to public sink. • Use material suitable for 212ºF (100ºC) for drain and conden

Installation | 14 Steam Distributor  Steam generated by the NHRS may be distributed directly into a conditioned environment with a Remote Blower

15 | Installation Steam Lines and Condensate Return The following instructions must be followed for installation of steam lines for ASD, BSD, CSD,

Installation | 16 Table 7: Recommended Materials and Sizes for Steam Runs. Supply Water Type Tank Size (lbs/hr) Steam Run ft (m) Steam Line Mater

Thank you for choosing NORTEC. Proprietary Notice This document and the information disclosed herein are proprietary

17 | Installation Steam DirectionSteam DirectionSteam Direction2 in.(5 cm)1 ft (30 cm)1ft (30 cm)0.5 in.(12 mm)10 Degrees2 DegreesUse Appropriate S

Installation | 18 Figure 11: Typical Steam Line Installation 1. Allow a minimum of 12” (30 cm) before first bend in steam line. 2. Slop

19 | Installation 3. Use steam hose only for short distances. 4. For steam hose, maintain minimum 12” (30 cm) bend radius. 5. Install traps

Installation | 20 8. Increase diameter either on down slope or install condensate trap. 9. Install condensate traps if steam line > 15 feet (

21 | Installation Electrical Figure 12: Primary Power Connection Caution: Wiring to be performed by a licensed Electrician. To humidifier high

Installation | 22 External Controls Control Wiring The following information is relevant to all controls, factory supplied or otherwise. For wirin

23 | Installation Space Humidification 1Humidity Control(in location representativeof the space)1Humidity Control(in location representativeof

Installation | 24 On/Off Control Wiring Figure 15: On/Off Controls Figure 16: Digital On/Off Humidistat

25 | Installation Figure 17: Duct Sensor Wiring

Installation | 26 Modulating Control Wiring Figure 18: Modulating Controls Figure 19: Digital Modulating Humidistats

Contents 1 Introduction 2 Receiving and Unpacking 3 Humidifier Components 4 Description of Components 5 NHRS Models 8 Installation

27 | Installation Figure 20: Digital Wall Humidistat - Remote Wall Sensor

Installation | 28 Transducer Control Wiring Figure 21: Transducers Figure 22: Digital Transducers

29 | Installation Optional Outdoor Temperature Setback Sensor Figure 23: Outdoor Temperature Setback  Each digital controller is equipped with

Installation | 30 Remote Fault Option Wiring The NHRS remote fault option (P/N 1508069) includes four relays that can provide remote status indica

31 | Installation Options and Accessories Blower Pack Optional blower pack (part number 2572615) can be used to distribute steam to localized are

Installation | 32 Keep Warm (Outdoor Standard) Menu configuration setup can be done at factory, which allows the water temperature in the tank to b

33 | Start Up Start Up 34 Installation Check 35 NHRS User Interface 35 Auxiliary Drain Switch 35 Door Interlock Switch 36 Start Up Pr

Start Up | 34 Installation Check Before turning on power to the NHRS, inspect the installation to ensure that it was carried out correctly. Refer

35 | Start Up NHRS User Interface Figure 28: NHRS User Interface Auxiliary Drain Switch In addition to software controlled draining of the tank ,

Start Up | 36 Start Up Procedure 1. Examine the humidifier and installation for damage and/or improper installation. 2. Ensure that the doo

1 | Introduction Introduction CAUTION: Servicing  Disconnect main power before any servicing.  The plumbing and e

37 | Start Up c. Check for correct functioning of the monitoring equipment (external safety network). d. Set the desired humidity value on the hu

Start Up | 38 Information Screens The NHRS has a “display menu” from which various operating parameters can be viewed. It is not possible to chang

39 | Start Up d. Working Hours 1. Total of working hours elapsed since initial commissioning of the humidifier. e. Time Remaining to minor/m

Start Up | 40 f. Drain Cycle 1. The following indications are provided for the set-flushing interval Left: Switch setting on rotary switch “

41 | Start Up Table 12: Water quality Water Parameters Potable Water Treated Water Conductivity 0-1500 Siemens 0-50 Siemens Hardness 12 grains p

Start Up | 42 k. De-mineral Mode 1. De-mineral Mode activated (“on”), consult factory. Deactivated (“off”), factory default. l. Serial Inter

43 | Start Up o. Control Signal 1. Range of the active analog signal in Volts or milliamps. NOTE: The range of the analog signal may be adjust

Start Up | 44 p. Software Version 1. Displays software version for the steam humidifier. q. Unit Type

45 | Start Up How the Humidifier Works The NHRS is an isothermal humidifier that produces atmospheric steam at operational pressures of -3 to +6 in

Start Up | 46 increases. This allows the humidifier to continuously evaporate without interruption and prevents larger influxes of cold water that

Introduction | 2 Receiving and Unpacking 1 Check packing slip to ensure ALL material has been delivered. 2 All material shortages are to be repor

47 | Start Up Selecting an RH Setpoint The optimum humidity setpoint depends on the reasons that a conditioned environment is being humidified. Th

Maintenance and Servicing | 48 Maintenance and Servicing 49 Minor Maintenance 51 Major Maintenance

49 | Maintenance and Servicing Minor Maintenance  The NHRS will indicate “minor maintenance due” with a yellow flashing LED and a messa

Maintenance and Servicing | 50 k. Remove the clamp at the top of the cylinder. l. Remove the tank lid with the elements attached. m. Remove

51 | Maintenance and Servicing Major Maintenance Major maintenance items include all those for the minor maintenance service, with the exce

Troubleshooting | 52 Troubleshooting 53 General Troubleshooting 55 Wiring Diagrams 57 Start Up Checklists 57 NHRS Electric Steam Humi

53 | Troubleshooting General Troubleshooting Most operational malfunctions are not caused by faulty equipment but rather by improper installation,

Troubleshooting | 54 Table 14: Troubleshooting errors and warnings (continued) Malfunction / Indication Cause Remedy Max. Boil down rate too lon

55 | Troubleshooting Wiring Diagrams Figure 34: Wiring Diagram (NHRS 010 to 090)

Troubleshooting | 56 Figure 35: Wiring Diagram (NHRS 135 to 180)

3 | Introduction Humidifier Components Figure 2: NHRS Humidifier Components

57 | Troubleshooting Start Up Checklists NHRS Electric Steam Humidifier – Mandatory Pre-Start-Up Checklist (p1 of 3) Unit Serial #: ____________

Troubleshooting | 58 NHRS Electric Steam Humidifier – Mandatory Pre-Start-Up Checklist (p2 of 3) DRAIN LINES: Air gap located within 3ft of the u

59 | Troubleshooting NHRS Electric Steam Humidifier – Mandatory Pre-Start-Up Checklist (p3 of 3) Unit Serial #: ____________ # of humidifiers:

Troubleshooting | 60 Maintenance Checklists Unit Serial #: ____________ # of humidifiers: ____________ Tag:_____________ Unit type: NHRS Vo

61 | Spare Parts Spare Parts 62 NHRS Plumbing Parts 64 NHRS Electrical Parts Part Ordering  The following illu

Spare Parts| 62 NHRS Plumbing Parts Figure 36: Exploded view, NHRS plumbing parts

63 | Spare PartsCapacityVoltage208230460575208230460575208230460575208230460575208230460575208230460575208230460575460575460575460575Part Number Descr

Spare Parts| 64 NHRS Electrical Parts Figure 37: Exploded view, NHRS electrical parts

65 | Spare PartsCapacityVoltage208230460575208230460575208230460575208230460575208230460575208230460575208230460575460575460575460575Part Number Descr

Warranty | 66 Warranty Nortec Humidity Inc. and/or Nortec Humidity Ltd. (hereinafter collectively referred to as THE COMPANY), warrant for a pe

Introduction | 4 Description of Components Table 1: Humidifier Components Component Function of Component Auxiliary Drain Switch Drains water from b

U.S.A. 826 Proctor Avenue Ogdensburg, NY 13669 CANADA 2740 Fenton Road Ottawa, Ontario K1T 3T7 TEL: 1.866.NORTEC1 FAX: 613.822.7964 EMAI

5 | Introduction NHRS Models The NHRS is Nortec’s flagship resistive element electric humidifier. Since it can accept a variety of supply water typ

Introduction | 6 Outdoor Model The NHRS is available for outdoor use, providing a weatherproof enclosure that allows for installation on rooftops in