Manuals / Nortec / Household Appliance / Humidifier

Nortec NHTC, NHPC manual 10-10, Steam Distributor Location, Page

Models: NHPC NHTC

1 125

Page 37

Table 9. Typical Absorption Distances, Single Distributor, 100 lbs/hr Humidifier

FPM	°F		°C	% RH	FT		CM	Typical System

(V)		(T)		(H)		(D)
(V)		(T)		(H)		(D)

500	70		21	30	3.0		91	Air handler before coils

500	55		13	80	4.5		137	Air handler after cooling

900	70		21	30	3.5		107	Supply air duct, on cool, no heat

900	55		13	70	6.0		183	Supply air duct, on cool

1000	55		13	90	8.0		244	Supply air duct, on cool with high humidity

1000	110		43	10	2.5		76	Supply air duct, on heating with low humidity

1000	70		21	45	4.0		123	Return air duct conditions

2000	55		13	45	10.0		305	Supply air duct higher pressure system

5000	140		60	10	2.0		61	After operating heating coil

(V) = Velocity at distributor location					(T) = Temperature at distributor location
(D) = Absorption distance (visible steam)					(H) = Humidity level after steam is absorbed

NOTE: This chart is for reference only; multiple distributors can reduce absorption distances.

Figure 3. Steam Distributor Location

10-10

Page 29 2008-10-01

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Image 37

Nortec NHTC, NHPC manual 10-10, Steam Distributor Location, Page

Contents

NHTC / NHPC ELECTRODE STEAM HUMIDIFIER NH SeriesTMEngineering Manual 2538144-BPROPRIETARY NOTICE SPECIFICATION LABEL LOCATIONLIABILITY NOTICE COPYRIGHT NOTICE10-00ELECTRODE STEAM ENGINEERING TABLE OF CONTENTS10-10HUMIDITY, STEAM ABSORPTION AND DISTRIBUTION SubjectWARRANTY 10-20SPECIFICATIONS10-30SUBMITTALS Subject10-00ELECTRODE STEAM ENGINEERING LIST OF FIGURES10-10HUMIDITY, STEAM ABSORPTION AND DISTRIBUTION FigureFigure 10-30SUBMITTALSFigure 2008-10-0110-00ELECTRODE STEAM ENGINEERING LIST OF TABLES10-10HUMIDITY, STEAM ABSORPTION AND DISTRIBUTION 10-30SUBMITTALS2008-10-01 Table 13. Modulating Demand Signal By Others Single Channel. . . . . . . . . . . . . . . . . . .10-00 10-00 INTRODUCTIONPage Figure 1. NHTC 10-00Page 2 10-00 1. INTRODUCTIONPage 3 Page 4 10-00Figure 2. Optimum Boiling Time 10-00Figure 3. Conductivity Page 510-00 B.NH CAPACITY ADJUSTMENTC.DRAIN CYCLE AND CYLINDER LIFE 1Water Type Used Potable or Softened1.Fill to A trigger use all places below 10-00Figure 6. Output vs Service Life Figure 5. Capacity Setting & Cylinder Life10-00 Page 810-00 3.PRE-INSTALLATIONEQUIPMENT VERIFICATIONA.GENERAL 10-00 Figure 6. Typical NHRS Installation Sheet 1 ofPage 10 10-00 Figure 7. Typical NHRS Installation Sheet 2 ofPage 11 10-10 10-10 HUMIDITY STEAM ABSORPTION AND DISTRIBUTIONPage 12 1. HUMIDITY HUMIDITY, STEAM ABSORPTION AND DISTRIBUTIONC.TEMPERATURE AND HUMIDITY REQUIRED D.TEMPERATURE AND HUMIDITY AVAILABLE10-10 Outdoor temperatureTable 2. Load Calculation Summary Sheet Page 1410-10 E.INCOMING AIR VOLUMEPage 15 Table 4. Design Outdoor Conditions 10-10Page 16 JANUARYTable 4. Design Outdoor Conditions cont 10-10Page 17 JANUARYTable 4. Design Outdoor Conditions cont 10-10Page 18 JANUARYPage 19 10-10Page 20 10-10Page 21 10-10Table 6. Regain of Hygroscopic Materials 10-10Page 22 Page 23 10-10Page 24 10-10Page 25 10-1010-10 TemperaturePage 26 Product and/or Process10-10 Figure 2. Psychrometric ChartPage 27 10-10 2.STEAM ABSORPTION AND DISTRIBUTIONA.VARIABLES THAT AFFECT ABSORPTION DISTANCES Page 28Figure 3. Steam Distributor Location 10-10Page B.CALCULATING THE DOWN STREAM HUMIDITY LEVEL 10-102The following are two examples: Example Page 30C.CONTROL OF DUCT OR PLENUM SATURATION 10-10Figure 4. Condensate Drain Pan Page 3110-10 3.STEAM RUNS AND CONDENSATE RETURNSA.STEAM RUNS Figure 5. Proper SlopeTable 11. Steam Line Material 10-10Page 33 B.CONDENSATE RETURN 10-10Page Unit SizeFigure 8. Condensate Tee At Any Low Point 10-10In Steam Line Figure 7. Steam Line ConnectionPage 36 10-10B.DISTRIBUTOR CHARACTERISTICS 4.STEAM DISTRIBUTORS ASD, BSD, CSD10-10 A.STEAM DISTRIBUTORSC.DISTRIBUTOR LOCATIONS AND MOUNTING 10-10D.MULTIPLE DISTRIBUTOR APPLICATIONS Page 38Figure 12. Cutting Duct For Mounting 10-10Figure 13. Humidification Distance Nomogram Page 39F.DISTRIBUTOR ABSORPTION DISTANCE 10-10Figure 14. Best Location for Multiple Steam Distributors in AHU10-10 H.DISTRIBUTOR DIMENSIONSG.TYPICAL APPLICATIONS Figure 15. Roof Top Units 2-20Tons –10-10 5.SHORT ABSORPTION MANIFOLD SAM-eA.GENERAL Figure 17. SAM-eTubesB. DETERMINING THE STEAM ABSORPTION DISTANCE 10-10Page 43 NOTES 10-10C.STATIC AIR PRESSURE Table 15. Air Pressure Loss in AHU/DuctFigure 19. Absorption Distance – 3 Centers 10-10Figure 20. Absorption Distance – 6 Centers Figure 21. Absorption Distance – 9 Centers10-10 F.SAM-eDIMENSIONSTable Condensate LossFigure 23. SAM-eHeader 10-10Figure 24. SAM-eTubes Figure 25. Steam Inlet10-10 I.SAM-eSTEAM INLET CONFIGURATION SELECTION1Atmospheric Steam NH, GS, SE J.MINI SAM-eTable 18. Mini SAM-eHeaders – 10-10Table 19. Mini SAM-eHeaders – Table 20. Mini SAM-eTubesPage 50 10-1010-10 6. BLOWER PACKS BOBP, RMBPABOVE THE FLOOR A.BLOWER PACKS Figure 27. NH Series Humidifier WithPage 52 10-10NH Series Model Minimum Number Of10-10 7.CONTROLSA.GENERAL THIS FUNCTION B.ON/OFF CONTROLSFigure 29. Set Point Versus Outdoor Temperature D.OUTDOOR TEMPERATURE SETBACK10-10 E.TRANSDUCER SENSORSF.POSITIONING CONTROLS AND SENSORS 10-10G.NORTEC ONLINE Page 55Figure 30. NORTEC OnLine Monitoring 10-10Page 56 H. NORTEC LINKS 10-10Page 57 J.NORTEC CONTROLLER DIMENSIONS I.TYPICAL INSTALLATION LAYOUT FOR NHTC/NHPC1See dimensions in Chapter 10-10Figure 31. NORTEC Online Configuration Form NORTEC ONLINE CONFIGURATION FORM10-10 G FOR YOUR INFORMATION10-10 NORTEC LINKS FORMPlease complete the information below Figure 32. NORTEC Links FormModulating Wall Mounted Space Controller 10-10Modulating Wall Mounted Space Controller Page 61Page 62 10-1010-20 10-20 SPECIFICATIONSPage 63 1.HUMIDIFIERS SPECIFICATIONS4Warranty 10-20Page 65 10-202Humidifier Controls NHTC and NHTC Outdoor 10-20Page Page 67 10-20Page 68 10-204Humidifier Dispersion Options 10-20Page 69 C. EXECUTION 1Examination 10-20Page 70 4Testing 2Installation10-20 3CommissioningPage 72 10-2010-30 10-30 SUBMITTALSPage 73 10-30 1. SUBMITTAL DESCRIPTIONSA.INTRODUCTION B.NH UNIT2Built-OnBlower Pack NHTC and NHPC only 10-30F. CONTROLS Page 75Page 76 10-30Figure 1. Low Voltage Control Terminal Strip 10-30Page 77 10-30 Figure 2. Primary Line Voltage Wiring to UnitPage Figure 3. Physical Data – NHTC/NHPC 10-30Page 79 Figure 4. Physical Data – NHTC/NHPC 10-30Page 80 Figure 5. Physical Data – NHTC/NHPC 10-30Page 81 Unit Model 10-3010-30 Dimensions – in mmDistributor Minimum Duct10-30 Dimensions – in mmDistributor ModelDuct Width 10-30Duct Height D Tube HeightDuct Width 10-30Page 87 10-30Page 88 10-30Page 89 10-30Page 90 10-3010-30 Figure 14. Vertical Duct InstallationFigure 15. Outside Duct Mounting Cover Plates Page 9110-30 Figure 16. Atmospheric SAM-eAdapter DimensionsPage 92 Page 93 10-30Page 94 10-30Page 95 10-30Page 96 10-3010-30 Wall Digital Humidistat Dimensions10-30 Duct Sensor Dimensions2.SUBMITTALS 10-30B.INSTALLATION COMPONENT SELECTION A.INTRODUCTION10-30 Table 2. Common Accessories UniversalTable 3. Steam Distributors Page 10010-30 Table 4. Steam Distributor AccessoriesTable 3. Steam Distributors cont Page 101Other Accessories Table 4. Steam Distributor Accessories cont10-30 Page 102Table 5. SAM-eHeader 10-30Page 103 Table 5. SAM-eHeader cont 10-30Page 104 Table 5. SAM-eHeader cont 10-30Page 105 10-30 Table 6. Adjustable Mounting Frame for SAM-eTable 5. SAM-eHeader cont Table 7. SAM-eTube MatrixTable 7. SAM-eTube Matrix cont 10-30Page 107 Table 7. SAM-eTube Matrix cont 10-30Page 108 Table 7. SAM-eTube Matrix cont 10-30Page 109 10-30 Table 8. SAM-eInlet and Adapter ConfigurationsTable 7. SAM-eTube Matrix cont Page 110Table 9. Remote Blower Pack 10-30Table 10. Built-OnBlower Pack Page 111Table 11. Controls – ON/OFF 10-30Table 12. Modulating Control By NORTEC Page 112Page 113 10-3010-30 Table 18. NH Series Fusing OptionsTable 16. NORTEC OnLine Options NHTC only Table 17. NORTEC Links Options NHTC onlyC. SCHEDULE Humidifier Information 10-30Control Information Distributor InformationWARRANTY 826 Proctor Avenue Cylinder Replacement Date MM/DD/YYYY2740 Fenton Road Ogdensburg, NY