Nortec NHPC Manuel d'utilisateur

2538144-BNHSeries NHTC / NHPC ELECTRODE STEAM HUMIDIFIEREngineering ManualTM

10-00 Page 2 2008-10-01 Figure 1. NHTC

10-30 Page 92 2008-10-01 Figure 16. Atmospheric SAM-e Adapter Dimensions

10-30 Page 93 2008-10-01 Figure 17. Atmospheric Steam Header and Adapter Configuration

10-30 Page 94 2008-10-01 Figure 18. Physical Data for Remote Mounted Blower Pack

10-30 Page 95 2008-10-01 Figure 19. Physical Data Units with Optional Built-On Blower Packs

10-30 Page 96 2008-10-01 Figure 20. Physical Data Units with Optional Built-On Blower Packs

10-30 Page 97 2008-10-01 Wall Digital Humidistat Dimensions A B C D E F in. cm in. cm in. cm in. cm in. cm in. cm 4.4 12.2 2.9 7.2 1.2 3.0 0.6 1.

10-30 Page 98 2008-10-01 Duct Sensor Dimensions A B C D E F in. cm in. cm in. cm in. cm in. cm in. cm 3.5 8.9 7.9 20.0 1.7 4.2 4.4 11.2 3.9 9.6

10-30Page 992008-10-012. SUBMITTALSA. INTRODUCTION(1) The following pages are intended to be used by the engineer to determine the component quantitie

10-30Page 1002008-10-01Table 2. Common Accessories UniversalTable 3. Steam DistributorsPart No. Description Qty1458807 DOUBLE CHECK VALVE FOR WATE

10-30Page 1012008-10-01Table 3. Steam Distributors (cont)Table 4. Steam Distributor AccessoriesPart No. Description Qty1506190 DISTRIBUTOR SST BSD

10-00 Page 3 2008-10-01 1. INTRODUCTION The NHTC humidifier is controlled by Nortec’s Patented Auto adaptive Water Management Control System. This s

10-30Page 1022008-10-01Table 4. Steam Distributor Accessories (cont)Part No. Description QtySmall Size Steam Distribution Accessories (<33 lb/hr)

10-30Page 1032008-10-01Table 5. SAM-e HeaderPart No. Description Qty1503269 3" CENTERS, 18" (45.7 cm) WIDE3 Steam tubes1503270 3" CEN

10-30Page 1042008-10-01Table 5. SAM-e Header (cont)Part No. Description Qty1503290 3" CENTERS, 144" (365.8 cm) WIDE45 Steam tubes– – – 3&q

10-30Page 1052008-10-01Table 5. SAM-e Header (cont)Part No. Description Qty1503328 6" CENTERS, 132" (335.3 cm) WIDE21 Steam tubes1503329 6

10-30Page 1062008-10-01Table 5. SAM-e Header (cont)Table 6. Adjustable Mounting Frame for SAM-eTable 7. SAM-e Tube MatrixPart No. Description Qt

10-30Page 1072008-10-01Table 7. SAM-e Tube Matrix (cont)Part No. Description Qty1503396 TYPE A, 66" (167.6 cm) WIDE15 lbs/hr (7 kg/hr)1503397 T

10-30Page 1082008-10-01Table 7. SAM-e Tube Matrix (cont)Part No. Description Qty1503418 TYPE B, 66" (167.6 cm) WIDE35 lbs/hr (16 kg/hr)1503419

10-30Page 1092008-10-01Table 7. SAM-e Tube Matrix (cont)Part No. Description Qty1509398 TYPE B+, 72" (182.9 cm) WIDE55 lbs/hr (25 kg/hr)1509399

10-30Page 1102008-10-01Table 7. SAM-e Tube Matrix (cont)Table 8. SAM-e Inlet and Adapter ConfigurationsPart No. Description Qty1503448 TYPE C, 84&

10-30Page 1112008-10-01Table 9. Remote Blower PackTable 10. Built-On Blower PackPart No. Description Qty2530893 Remote Blower Pack 5 - 30 lbs/hr

10-00 Page 4 2008-10-01 (6) As the water is boiled away, the minerals left behind increase the conductivity of the water in the cylinder. As soon a

10-30Page 1122008-10-01Table 11. Controls – ON/OFFTable 12. Modulating Control By NORTECPart No. Description Qty2520259 DIGITAL HUMIDISTAT WALL MO

10-30Page 1132008-10-01Table 13. Modulating Demand Signal By Others Single ChannelTable 14. Modulating Demand Signal By Others Dual ChannelNOTE: :

10-30Page 1142008-10-01Table 16. NORTEC OnLine Options (NHTC only)Table 17. NORTEC Links Options (NHTC only)NOTES:: NHTC Total Controller has the

10-30Page 1152008-10-01C. SCHEDULE2522478 FUSING NHTC/PC 100/550-600/32522479 FUSING NHTC/PC 150/208-240/32522480 FUSING NHTC/PC 150/440-600/32522481

WARRANTY(1) Walter Meier Inc. and/or Walter Meier Ltd. (hereinafter collectively referred to as THE COMPANY), warrant for a period of two years after

Cylinder Replacement Date (MM/DD/YYYY)Authorized Agent:INSTALLATION DATE (MM/DD/YYYY)MODEL #SERIAL #CYLINDER #U.S.A.Walter Meier (Climate USA) Inc.826

10-00 Page 5 2008-10-01 Figure 2. Optimum Boiling Time Figure 3. Conductivity

10-00 Page 6 2008-10-01 B. NH CAPACITY ADJUSTMENT (1) Each NORTEC NH Series humidifier is rated at its maximum output capacity. By means of the al

10-00 Page 7 2008-10-01 Figure 4. Typical Auto-Adaptive Operation 0. Store previous cycle’s drain decision in integral (l) memory. 1. Fill to A tr

10-00 Page 8 2008-10-01 It is important to note that the drain rate shown includes the make-up water, mixed with the drain water, which tempers the

10-00 Page 9 2008-10-01 3. PRE-INSTALLATION EQUIPMENT VERIFICATION A. GENERAL (1) Ensure the available voltage and phase correspond with humidifi

10-00 Page 10 2008-10-01 Figure 6. Typical NHRS Installation (Sheet 1 of 2)

10-00 Page 11 2008-10-01 Figure 7. Typical NHRS Installation (Sheet 2 of 2)

2008-10-01PROPRIETARY NOTICEThis document and the information disclosed herein are proprietary data of WALTER MEIER LTD. Neither this document nor the

10-10Page 122008-10-0110-10HUMIDITY,STEAM ABSORPTION AND DISTRIBUTION

10-10Page 132008-10-01HUMIDITY, STEAM ABSORPTION AND DISTRIBUTION1. HUMIDITYA. ESTIMATING THE HUMIDIFICATION LOAD Note: The humidification load can ea

10-10Page 142008-10-01Table 1. Outdoor/Indoor Relative Humidity Conversion ChartTable 2. Load Calculation Summary SheetOutdoor relative humidity10

10-10Page 152008-10-01Table 3. Grains of Water Per Cubic Foot – Saturated Air (100% rh)(2) Formula 2 Assume our printing plant is located in Denver,

10-10Page 162008-10-01Table 4. Design Outdoor ConditionsJANUARY Relative Humidity (% RH) JULY Relative Humidity (% RH)State City °C Dry Bulb °F 7:30

10-10Page 172008-10-01Table 4. Design Outdoor Conditions (cont)JANUARY Relative Humidity (% RH) JULY Relative Humidity (% RH)State City °C Dry Bulb

10-10Page 182008-10-01Table 4. Design Outdoor Conditions (cont)JANUARY Relative Humidity (% RH) JULY Relative Humidity (% RH)Province City °C Dry Bu

10-10Page 192008-10-01(3) Using the natural ventilation method requires knowing the volume of the humidified space and the type of construction. A tig

10-10Page 202008-10-01(5) Using an exhaust air fan:(a) Formula 5 Assume the print shop has a 1,000 CFM fan to exhaust a drying room. The moisture requ

10-10Page 212008-10-01(b) Formula 7 Assume that during the summer the HVAC system is in the cooling mode. The air leaving the cooling coil is at 55°F

2008-10-01TABLE OF CONTENTSSubject Page10-00 ELECTRODE STEAM ENGINEERING 1. INTRODUCTION WHY ELECTRODE STEAM. . . . . . . . . . . . . . . . . . . . .

10-10Page 222008-10-01Table 5. Inside Relative Humidities At Which Moisture Will Condense On Windows (cont)Table 6. Regain of Hygroscopic Material

10-10Page 232008-10-01Table 7. Design Indoor Conditions For Various Places, Products and ProcessesProduct and/or Process Temperature Relative Humidi

10-10Page 242008-10-01Table 7. Design Indoor Conditions For Various Places, Products and Processes (cont)Product and/or Process Temperature Relative

10-10Page 252008-10-01Table 7. Design Indoor Conditions For Various Places, Products and Processes (cont)Product and/or Process Temperature Relative

10-10Page 262008-10-01Table 7. Design Indoor Conditions For Various Places, Products and Processes (cont)Product and/or Process Temperature Relative

10-10Page 272008-10-01Figure 2. Psychrometric Chart

10-10Page 282008-10-012. STEAM ABSORPTION AND DISTRIBUTIONA. VARIABLES THAT AFFECT ABSORPTION DISTANCES(1) This manual will help in the design of a st

10-10Page 292008-10-01Table 9. Typical Absorption Distances, Single Distributor, 100 lbs/hr HumidifierFPM °F °C % RH FT CMTypical System(V) (T) (H)

10-10Page 302008-10-01B. CALCULATING THE DOWN STREAM HUMIDITY LEVEL(1) Table 10 indicates the amount of water that each 1000 CFM of duct air holds in

10-10Page 312008-10-01NOTEMaximum capacity of the NHTC/NHPC humidifier can be limited through the keypad.C. CONTROL OF DUCT OR PLENUM SATURATION(1) NO

2008-10-01Subject Page7. CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-10Page 322008-10-013. STEAM RUNS AND CONDENSATE RETURNSA. STEAM RUNS(1) Steam runs between the humidifier and the distributors can be accomplished

10-10Page 332008-10-01Table 11. Steam Line MaterialTable 12. Recommended Material and Size for Steam RunTable 13. Recommended Condensate Line at

10-10Page 342008-10-01(3) NORTEC recommends the use of insulated hard copper steam lines on distances of more than 10 feet and no more than 3 elbows (

10-10Page 352008-10-01(2) Use vertical condensate leg of distributor only. Do not over-tighten clamp.(3) Drip stations on steam mains must be located

10-10Page 362008-10-01(7) Vertical drop of the drip station should be 1.5 times the diameter of the steam main but no less then 12".(8) Install t

10-10Page 372008-10-014. STEAM DISTRIBUTORS (ASD, BSD, CSD)A. STEAM DISTRIBUTORS(1) NORTEC’s steam distributors, in use for over twenty years, are a p

10-10Page 382008-10-01(2) Ensure the total capacity of the humidifier is not higher than the allowable maximum steam capacity of the following distrib

10-10Page 392008-10-01Figure 13. Humidification Distance NomogramFigure 12. Cutting Duct For Mounting

10-10Page 402008-10-01CAUTIONUNLESS YOU KNOW THE EXACT ABORPTION DISTANCE REQUIRED FOR THE STEAM ABSORPTION INTO THE AIR STREAM, THE DISTRIBUTOR SHOUL

10-10Page 412008-10-01determine the number of steam distributors that must be use for short saturation distances. (2) If the ‘Saturation Distance’ for

2008-10-01LIST OF FIGURESFigure Page10-00 ELECTRODE STEAM ENGINEERINGFigure 1. NHTC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-10Page 422008-10-015. SHORT ABSORPTION MANIFOLD (SAM-e)A. GENERAL(1) NORTEC’s best performing steam absorption system for use in Air Handling Units

10-10Page 432008-10-01(5) The features of the short absorption manifold are:(a) Inlets/Outlets located on same side, one access point required.(b) All

10-10Page 442008-10-01(6) Absorption Distances:3" centers = 7" (18 cm)6" centers = 9" (23 cm)9" centers = 12" (31 cm)12&

10-10Page 452008-10-01Figure 20. Absorption Distance – 6" CentersFigure 21. Absorption Distance – 9" Centers Figure 22. Absorption Dis

10-10Page 462008-10-01(2) NORTEC recommends the installation of a condensate drain on the steam inlet run prior to entering the SAM-e.Table 16. Cond

10-10Page 472008-10-01(2) There is a selection of four types of steam tubes. Each are capable of distributing different capacities. To select the stea

10-10Page 482008-10-01I. SAM-e STEAM INLET CONFIGURATION SELECTION(1) Atmospheric Steam (NH, GS, SE)(a) The steam inlet, Figure 25, is determined by t

10-10Page 492008-10-01Table 18. Mini SAM-e Headers – 3"Table 19. Mini SAM-e Headers – 6"Table 20. Mini SAM-e TubesTable 21. Mini Inl

10-10Page 502008-10-01Figure 26. Typical SAM-e Installation for Atmospheric Steam Applications

10-10Page 512008-10-016. BLOWER PACKS (BOBP, RMBP)WARNINGSTEAM DISTRIBUTOR ON THE BUILT-ON AND REMOTE BLOWER PACKS HAVE A HOT SURFACE THAT COULD RESUL

2008-10-01Figure PageFigure 33. Humidifier Controlled by Air Proving, On/Off Duct Mounted High Limit andModulating Wall Mounted Space Controller . . .

10-10Page 522008-10-01Table 22. Ceiling and Frontal Clearances for Blower PacksNH Series Model Minimum Number Of Blower Packs Minimum Ceiling Cleara

10-10Page 532008-10-017. CONTROLSA. GENERAL(1) NORTEC humidifiers all accept on/off controls for their security loop. Many NORTEC humidifiers can also

10-10Page 542008-10-01(d) Modulating Demand Signal Supplied by Others – A signal that is a linear demand signal that rises on need for humidity can be

10-10Page 552008-10-01F. POSITIONING CONTROLS AND SENSORS(1) When positioning controls and sensors, ensure other factors do not influence these device

10-10Page 562008-10-01Figure 30. NORTEC OnLine Monitoring

10-10Page 572008-10-01(l) Access to service history(m) Option to add up to seven slave humidifiers to each NORTEC OnLine module(n) Monitor up to eight

10-10Page 582008-10-01I. TYPICAL INSTALLATION LAYOUT FOR NHTC/NHPC(1) The following are examples of typical control installation possibilities. There

10-10Page 592008-10-01NORTEC ONLINE CONFIGURATION FORMPlease complete the information below.Attention: Date:Company: Fax #:From: Page: ofSubject: NORT

10-10Page 602008-10-01Figure 32. NORTEC Links FormNORTEC LINKS FORMPlease complete the information below.Attention: Date:Company: Fax #:From: Page:

10-10Page 612008-10-01Figure 34. Humidifier Controlled by Air Proving, Modulating Duct Mounted High Limit andModulating Wall Mounted Space Controlle

2008-10-01LIST OF TABLESTable Page10-00 ELECTRODE STEAM ENGINEERINGTable 1. Features Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-10Page 622008-10-01Figure 35. Humidifier Controlled by Air Proving, Modulating Duct Mounted High Limit andModulating Wall Mounted Return Air Sens

10-20Page 632008-10-0110-20SPECIFICATIONS

10-20Page 642008-10-01SPECIFICATIONS1. HUMIDIFIERSA. GENERAL(1) Work Included(a) NORTEC NH Series electrode steam humidifier(s) as indicated on drawin

10-20Page 652008-10-012 Published replacement pricing.3Cylinder seams must be spin welded to ensure long-term water tightness and leak resistance.4Int

10-20Page 662008-10-0110 Accepts a signal from BMS/BAS system or modulating humidistat.11Single or dual channel signal acceptance.12Isolated plumbing

10-20Page 672008-10-01m Manual capacity output adjustment range of 20-100%.nHumidifier model, capacity, software version.oCylinder model # and capacit

10-20Page 682008-10-01e Channel 2 Set point – Control channel 2 setpoint for relative humidity in space 0-100% (read/write).fSystem Demand – Indicates

10-20Page 692008-10-0111 Individual account access to www.norteconline.com.12Monitor up to seventy parameters from each humidifier.13Access to service

10-20Page 702008-10-012 The factory assembled blower pack includes an integral steam distributor, three tubeaxial (box) fans, fusing, wall mounting br

10-20Page 712008-10-01(b) Examine roughing-in for piping systems to verify actual locations of piping connections before humidifier installation.(c) P

2008-10-01Table PageTable 13. Modulating Demand Signal By Others Single Channel. . . . . . . . . . . . . . . . . . . 113Table 14. Modulating Demand Si

10-20Page 722008-10-011 Training of the owner’s operation and maintenance personnel is required in co-operation with the commissioning authority. Prov

10-30 Page 73 2008-10-01 10-30 SUBMITTALS

10-30 Page 74 2008-10-01 1. SUBMITTAL DESCRIPTIONS A. INTRODUCTION (1) The information found in this section is general in nature and consists of p

10-30 Page 75 2008-10-01 between the NH unit and remote blower pack terminal blocks or can be powered by a seperate 12 ov supply. (b) Disk thermosta

10-30 Page 76 2008-10-01 coupled circuits can be specified. Coupled circuits will enable the two circuits to be operated from one controller without

10-30 Page 77 2008-10-01 Figure 1. Low Voltage Control Terminal Strip (11) A and B: Mount any wall humidistat (control or high limit) over a s

10-30 Page 78 2008-10-01 Figure 2. Primary (Line) Voltage Wiring to Unit

10-30 Page 79 2008-10-01 Figure 3. Physical Data – NHTC/NHPC 005-030

10-30 Page 80 2008-10-01 Figure 4. Physical Data – NHTC/NHPC 050-100

10-30 Page 81 2008-10-01 Figure 5. Physical Data – NHTC/NHPC 150-200

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

10-30 Page 82 2008-10-01 Unit Model NH 005-020 NH 030 NH 045-100 NH 135-200 Distributor Model ASD BSD CSD CSD No. of Cylinders 1 1 1 2 No. of

10-30 Page 83 2008-10-01 Distributor Model Dimensions – in (mm) Minimum Duct A B C Length – in. (mm) BSD 12 2 (51) 1.75 (44) 10 (254) 12 (3

10-30 Page 84 2008-10-01 Distributor Model Dimensions – in (mm) Minimum Duct A B C Length – in. (mm) CSD 24 1.75 (44) 1.55 (39) 20 (508) 24

10-30 Page 85 2008-10-01 Duct Width A B C Duct Height D (Tube Height) E min. E max. in cm in cm in cm in cm in cm in cm in cm in cm 18 45.7

10-30 Page 86 2008-10-01 Figure 10. General Mini SAM-e Dimensions Duct Width A Duct Height B C in cm in cm in cm in cm in cm 12 30

10-30 Page 87 2008-10-01 Figure 11. In-Duct / AHU Installation Without Mounting Frame Installation

10-30 Page 88 2008-10-01 Figure 12. In-Duct / AHU Installation With Mounting Frame Installation

10-30 Page 89 2008-10-01 Figure 13. Outside Duct Installation Without Mounting Frame Installation

10-30 Page 90 2008-10-01 Figure 13. In-Duct / AHU Installation With Mounting Frame Installation

10-30 Page 91 2008-10-01 Figure 14. Vertical Duct Installation Figure 15. Outside Duct Mounting Cover Plates