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NH Series installation manual Maintenance Procedures, 10-30, Page 49
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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 56
Image 56
10-30
MAINTENANCE
PROCEDURES
10-30
Page 49
2008-08-28
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Page 57
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Image 56
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Page 57
Contents
2522381-C
Installation Manual
NH SeriesTM
NHTC / NHPC ELECTRODE STEAM HUMIDIFIER
SPECIFICATION LABEL LOCATION
PROPRIETARY NOTICE
LIABILITY NOTICE
COPYRIGHT NOTICE
TABLE OF CONTENTS
10-10INSTALLATION PROCEDURES
10-30MAINTENANCE PROCEDURES
2008-08-28
10-40TROUBLESHOOTING
WARRANTY
2008-08-28
10-50TECHNICAL
Figure
LIST OF FIGURES
2008-08-28
LIST OF TABLES
10-10INSTALLATION PROCEDURE
10-40TROUBLESHOOTING
2008-08-28
2008-08-28
Page 1
10-00 INTRODUCTION
10-00
Page 2
10-00
Figure 1. NHTC
1.PRE-INSTALLATION
D. ACCESSORIES BOX
2.PACKAGING
A.RECEIVING & UNPACKING EQUIPMENT
10-00
Figure 2. Humidifier Box
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
THIS PAGE INTENTIONALLY LEFT BLANK
10-00
Page 9
10-10 INSTALLATION
10-10
1.HUMIDIFIER INSTALLATION
A.LOCATION
B.MOUNTING WITH KEYHOLES
C.MOUNTING WITH WALL BRACKET
D.WATER SUPPLY LINE
E.DRAIN LINE
DRAIN WATER FROM HUMIDIFIER CAN BE VERY HOT
F. STEAM RUNS AND CONDENSATE RETURNS
10-10
Figure 1. Clearances and Operating Conditions
Figure 2. Mounting with Keyholes
Figure 3. Mounting with Mounting Bracket
Page 13
10-10
Figure 4. Drain Water and Supply Connection
10-10
Table 1. Maximum Recommended Length of Steam Line
10-10
Page 15
10-10
Page 16
10-10
Dispersion Method
Page 18
Figure 7. Primary Voltage Supply Wiring
10-10
1Primary Voltage Supply Wiring to Humidifier
H.CONTROL WIRING
bDemand Signal Controls Installation
G.ELECTRICAL
10-10
Page 20
10-10
Page 21
I.OPTIONAL OUTDOOR TEMPERATURE RESET FUNCTION
Figure 10. Setpoint Versus Outdoor Temperature
10-10
Page 22
J.HUMIDITY TRANSDUCER SIGNAL INSTALLATION
L.NORTEC ONLINE INSTALLATION
K.NETWORKING NHTC
10-10
10-10
Page 24
Page 25
10-10
Figure 12. Networking NHTCs Optional
10-10
Page 26
Page 27
10-20 OPERATION
10-20
1.NHTC
A.NHTC COMPONENTS
B.HUMIDIFIER START-UP
C.BASIC STEAM PRODUCTION METHOD
Table
NHTC/NHPC Components
Page 29
10-20
Table 1. NHTC/NHPC Components cont
Page 30
10-20
Item Number
Figure 5. Capacity Setting and Cylinder Life
Figure 3. Humidifier Start-Up
Figure 4. Drain Rate Versus Water
Page 31
10-20
Figure 6. Basic Steam Production Method
Page 32
F.SOFTWARE FLOW CHART WITH DEFINITIONS
E.SOFTWARE INITIAL SELF-TEST
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
Table 3. Signal Light Status
H.SYSTEM MESSAGES AND LIGHTS
I.DOUBLE UNIT OPERATION
Page 41
Table 4. Status Messages with LED State
Page 42
10-20
NHTC Display Message
Page 43
Symptom Diagnosed
10-20
Probable Cause
2.STEAM DISTRIBUTION
A.STEAM DISTRIBUTOR OPERATION
B.SAM-eOPERATION
C.BLOWER PACK OPERATION
Figure 10. Blower Pack Operation and Adjustments
Figure 9. SAM-eOperation
Page 45
10-20
NORTEC DOES NOT RECOMMEND USING THE DRY RELAY
3.CONTROLS AND REMOTE COMMUNICATION OPTIONAL
A.DIGITAL CONTROL OPERATION
B.DIGITAL TRANSDUCER OPERATION
Relation to Demand Signal
D.NORTEC LINKS 2 OPERATION
E.NORTEC ONLINE OPERATION
Figure 12. Difference from Setpoint in
THIS PAGE INTENTIONALLY LEFT BLANK
Page 48
10-20
Page 49
10-30 MAINTENANCE PROCEDURES
10-30
MAINTENANCE PROCEDURES
A. MAINTENANCE
DISCONNECT MAIN POWER BEFORE ANY SERVICING
VOLTAGE COMPONENTS AND WIRING. ACCESS SHOULD BE
D.COMPONENTS OF THE STEAM CYLINDER
Figure 1. Cylinder Components
Page 51
10-30
E.HOW TO REMOVE THE STEAM CYLINDER
Figure 2. Cylinder Removal Procedure
Page 52
10-30
F.MANDATORY CLEANING OF THE DRAIN VALVE
Figure 3. Drain Valve Maintenance
Page 53
10-30
G.HOW TO INSTALL THE REPLACEMENT CYLINDER
Figure 4. Cylinder Replacement Procedure
Page 54
10-30
Page 55
10-40 TROUBLESHOOTING
10-40
1.TROUBLESHOOTING NH ELECTRODE STEAM HUMIDIFIERS
A.PREPARATION
B.STARTING POINT
SHOULD BE DONE BY QUALIFIED PERSONNEL C.NHTC/NHPC
Table 1. Troubleshooting Symptoms
Page 57
10-40
System
2. TROUBLESHOOTING DISTRIBUTORS
3.SAM-eTROUBLESHOOTING
Table 2. Ensuring A Demand Signal
CAN REMAIN VERY HOT DURING THE TROUBLESHOOTING
4.BLOWER PACKS TROUBLESHOOTING
5.DIGITAL ON/OFF HUMIDISTAT SENSOR CALIBRATION
Page 59
A.PROCEDURE
Table 3. NH System Messages
Page 60
Symptom Diagnosed
10-40
Page 61
10-40
Probable Cause
Corrective Action
Table 3. NH System Messages cont
Page 62
Symptom Diagnosed
10-40
Page 63
10-40
Probable Cause
Corrective Action
Page 64
Symptom Diagnosed
10-40
Table 3. NH System Messages cont
Page 65
10-40
Probable Cause
Corrective Action
6.0-10VDIGITAL HUMIDISTAT SENSOR CALIBRATION
Table 4. Term Definitions
Page 66
A.PROCEDURE
Page 67
10-50 TECHNICAL
10-50
1.WIRING AND TERMINALS
Table 1. Controller and Sensor Specifications
A.HUMIDIFIER CONTROL INFORMATION
Page 68
B.NH WIRING
Figure 1. NHTC/NHPC Double Unit Wiring Diagram
Page 69
10-50
10-50
Figure 2. NHTC/NHPC Wiring Diagram
Page 70
A.PRE-NORTECONLINE START UP CHECKLIST WIRING
3 Controls Wired
4 Start-UpProcedure
B. PRE-NORTECLINKS START-UPCHECKLIST
C. HUMIDIFIER MANDATORY PRE-STARTUP CHECKLIST
WIRING
POWER
Unit type: _______
2.START-UPPROCEDURE
1.PRELIMINARY
Remarks
Page 73
WHEN TO REPLACE THE CYLINDER
CYLINDER REPLACEMENT PROCEDURE
MANDATORY CLEANING OF THE DRAIN VALVE
Page 74
HOW TO INSTALL THE REPLACEMENT CYLINDER
EXTENDED SHUTDOWN
Page 75
10-50
3.SPARE PARTS AND EXPLODED VIEWS
A.ASD, BSD, CSD DISTRIBUTOR
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
10-50 Page 79
Table 2. NHTC/NHPC Plumbing Part List cont
Page 80
10-50
Table 3. NHTC/NHPC Electrical Parts List
10-50 Page 81
10-50
Table 3. NHTC/NHPC Electrical Parts List cont
Page 82
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Page 83
10-50
WARRANTY
Cylinder Replacement Date MM/DD/YYYY
U.S.A
CANADA
Walter Meier Climate USA Inc
