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NH Series installation manual NHTC/NHPC Wiring Diagram, Page 70, 10-50
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Troubleshooting
Specifications
Install
Parts list
F.Software Flow Chart With Definitions
Cylinder Replacement Procedure
Warranty
Maintenance
Primary Voltage Supply Wiring
Symptom Diagnosed
Page 77
Image 77
Figure 2. NHTC/NHPC Wiring Diagram
10-50
Page 70
2008-08-28
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Page 78
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Image 77
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Contents
Installation Manual
2522381-C
NH SeriesTM
NHTC / NHPC ELECTRODE STEAM HUMIDIFIER
PROPRIETARY NOTICE
SPECIFICATION LABEL LOCATION
LIABILITY NOTICE
COPYRIGHT NOTICE
10-10INSTALLATION PROCEDURES
TABLE OF CONTENTS
10-30MAINTENANCE PROCEDURES
2008-08-28
WARRANTY
10-40TROUBLESHOOTING
2008-08-28
10-50TECHNICAL
Figure
LIST OF FIGURES
2008-08-28
10-10INSTALLATION PROCEDURE
LIST OF TABLES
10-40TROUBLESHOOTING
2008-08-28
2008-08-28
Page 1
10-00 INTRODUCTION
10-00
Page 2
10-00
Figure 1. NHTC
D. ACCESSORIES BOX
1.PRE-INSTALLATION
2.PACKAGING
A.RECEIVING & UNPACKING EQUIPMENT
Figure 2. Humidifier Box
10-00
Figure 4. SAM-eDistributor Box
Figure 3. Distributor Box
A.GENERAL
3.PREINSTALLATION EQUIPMENT VERIFICATION
10-00
Page 6
Figure 6. Typical NHTC Installation Sheet 1 of
10-00
Page 7
Figure 7. Typical NHTC Installation Sheet 2 of
10-00
Page 8
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10-00
Page 9
10-10 INSTALLATION
10-10
A.LOCATION
1.HUMIDIFIER INSTALLATION
B.MOUNTING WITH KEYHOLES
C.MOUNTING WITH WALL BRACKET
E.DRAIN LINE
D.WATER SUPPLY LINE
DRAIN WATER FROM HUMIDIFIER CAN BE VERY HOT
F. STEAM RUNS AND CONDENSATE RETURNS
Figure 1. Clearances and Operating Conditions
10-10
Figure 2. Mounting with Keyholes
Figure 3. Mounting with Mounting Bracket
Page 13
10-10
Figure 4. Drain Water and Supply Connection
Table 1. Maximum Recommended Length of Steam Line
10-10
Page 15
10-10
Page 16
10-10
Dispersion Method
10-10
Page 18
Figure 7. Primary Voltage Supply Wiring
10-10
H.CONTROL WIRING
1Primary Voltage Supply Wiring to Humidifier
bDemand Signal Controls Installation
G.ELECTRICAL
Page 20
10-10
Page 21
10-10
Figure 10. Setpoint Versus Outdoor Temperature
I.OPTIONAL OUTDOOR TEMPERATURE RESET FUNCTION
10-10
Page 22
L.NORTEC ONLINE INSTALLATION
J.HUMIDITY TRANSDUCER SIGNAL INSTALLATION
K.NETWORKING NHTC
10-10
Page 24
10-10
Page 25
10-10
Figure 12. Networking NHTCs Optional
Page 26
10-10
Page 27
10-20 OPERATION
10-20
A.NHTC COMPONENTS
1.NHTC
B.HUMIDIFIER START-UP
C.BASIC STEAM PRODUCTION METHOD
NHTC/NHPC Components
Table
Page 29
10-20
Page 30
Table 1. NHTC/NHPC Components cont
10-20
Item Number
Figure 3. Humidifier Start-Up
Figure 5. Capacity Setting and Cylinder Life
Figure 4. Drain Rate Versus Water
Page 31
10-20
Figure 6. Basic Steam Production Method
Page 32
E.SOFTWARE INITIAL SELF-TEST
F.SOFTWARE FLOW CHART WITH DEFINITIONS
Table 2. Self-TestMessages
G.SELF-HELP
10-20
Figure 7. Software Flow Chart Sheet 1 of
Page 34
10-20
Figure 7. Software Flow Chart Sheet 2 of
Page 35
10-20
Figure 7. Software Flow Chart Sheet 3 of
Page 36
10-20
Figure 7. Software Flow Chart Sheet 4 of
Page 37
10-20
Figure 7. Software Flow Chart Sheet 5 of
Page 38
10-20
Figure 7. Software Flow Chart Sheet 6 of
Page 39
10-20
Figure 7. Software Flow Chart Sheet 7 of
Page 40
H.SYSTEM MESSAGES AND LIGHTS
Table 3. Signal Light Status
I.DOUBLE UNIT OPERATION
Page 41
Page 42
Table 4. Status Messages with LED State
10-20
NHTC Display Message
Symptom Diagnosed
Page 43
10-20
Probable Cause
A.STEAM DISTRIBUTOR OPERATION
2.STEAM DISTRIBUTION
B.SAM-eOPERATION
C.BLOWER PACK OPERATION
Figure 9. SAM-eOperation
Figure 10. Blower Pack Operation and Adjustments
Page 45
10-20
3.CONTROLS AND REMOTE COMMUNICATION OPTIONAL
NORTEC DOES NOT RECOMMEND USING THE DRY RELAY
A.DIGITAL CONTROL OPERATION
B.DIGITAL TRANSDUCER OPERATION
D.NORTEC LINKS 2 OPERATION
Relation to Demand Signal
E.NORTEC ONLINE OPERATION
Figure 12. Difference from Setpoint in
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10-20
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10-30 MAINTENANCE PROCEDURES
10-30
A. MAINTENANCE
MAINTENANCE PROCEDURES
DISCONNECT MAIN POWER BEFORE ANY SERVICING
VOLTAGE COMPONENTS AND WIRING. ACCESS SHOULD BE
Figure 1. Cylinder Components
D.COMPONENTS OF THE STEAM CYLINDER
Page 51
10-30
Figure 2. Cylinder Removal Procedure
E.HOW TO REMOVE THE STEAM CYLINDER
Page 52
10-30
Figure 3. Drain Valve Maintenance
F.MANDATORY CLEANING OF THE DRAIN VALVE
Page 53
10-30
Figure 4. Cylinder Replacement Procedure
G.HOW TO INSTALL THE REPLACEMENT CYLINDER
Page 54
10-30
Page 55
10-40 TROUBLESHOOTING
10-40
A.PREPARATION
1.TROUBLESHOOTING NH ELECTRODE STEAM HUMIDIFIERS
B.STARTING POINT
SHOULD BE DONE BY QUALIFIED PERSONNEL C.NHTC/NHPC
Page 57
Table 1. Troubleshooting Symptoms
10-40
System
3.SAM-eTROUBLESHOOTING
2. TROUBLESHOOTING DISTRIBUTORS
Table 2. Ensuring A Demand Signal
CAN REMAIN VERY HOT DURING THE TROUBLESHOOTING
5.DIGITAL ON/OFF HUMIDISTAT SENSOR CALIBRATION
4.BLOWER PACKS TROUBLESHOOTING
Page 59
A.PROCEDURE
Page 60
Table 3. NH System Messages
Symptom Diagnosed
10-40
10-40
Page 61
Probable Cause
Corrective Action
Page 62
Table 3. NH System Messages cont
Symptom Diagnosed
10-40
10-40
Page 63
Probable Cause
Corrective Action
Symptom Diagnosed
Page 64
10-40
Table 3. NH System Messages cont
10-40
Page 65
Probable Cause
Corrective Action
Table 4. Term Definitions
6.0-10VDIGITAL HUMIDISTAT SENSOR CALIBRATION
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A.PROCEDURE
Page 67
10-50 TECHNICAL
10-50
Table 1. Controller and Sensor Specifications
1.WIRING AND TERMINALS
A.HUMIDIFIER CONTROL INFORMATION
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Figure 1. NHTC/NHPC Double Unit Wiring Diagram
B.NH WIRING
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10-50
10-50
Figure 2. NHTC/NHPC Wiring Diagram
Page 70
3 Controls Wired
A.PRE-NORTECONLINE START UP CHECKLIST WIRING
4 Start-UpProcedure
B. PRE-NORTECLINKS START-UPCHECKLIST
WIRING
C. HUMIDIFIER MANDATORY PRE-STARTUP CHECKLIST
POWER
Unit type: _______
1.PRELIMINARY
2.START-UPPROCEDURE
Remarks
Page 73
CYLINDER REPLACEMENT PROCEDURE
WHEN TO REPLACE THE CYLINDER
MANDATORY CLEANING OF THE DRAIN VALVE
Page 74
EXTENDED SHUTDOWN
HOW TO INSTALL THE REPLACEMENT CYLINDER
Page 75
10-50
A.ASD, BSD, CSD DISTRIBUTOR
3.SPARE PARTS AND EXPLODED VIEWS
B.SAM-eSPARE PARTS
Figure 4. SAM-eExploded View and Spare Parts
10-50
C.NH SERIES HUMIDIFIER SPARE PARTS
Page 77
Table 2. NHTC/NHPC Plumbing Part List
Table 2. NHTC/NHPC Plumbing Part List cont
10-50 Page 79
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10-50 Page 81
Table 3. NHTC/NHPC Electrical Parts List
10-50
Table 3. NHTC/NHPC Electrical Parts List cont
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10-50
WARRANTY
U.S.A
Cylinder Replacement Date MM/DD/YYYY
CANADA
Walter Meier Climate USA Inc
