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Troubleshooting
Specs
Install
Cylinder Replacement Procedure
Warranty
Maintenance
H.Control Wiring
Symptom Diagnosed
A.Procedure
Signal Light Status
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10-20
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2008-08-28
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Contents
NHTC / NHPC ELECTRODE STEAM HUMIDIFIER
2522381-C
Installation Manual
NH SeriesTM
COPYRIGHT NOTICE
SPECIFICATION LABEL LOCATION
PROPRIETARY NOTICE
LIABILITY NOTICE
2008-08-28
TABLE OF CONTENTS
10-10INSTALLATION PROCEDURES
10-30MAINTENANCE PROCEDURES
10-50TECHNICAL
10-40TROUBLESHOOTING
WARRANTY
2008-08-28
2008-08-28
LIST OF FIGURES
Figure
2008-08-28
LIST OF TABLES
10-10INSTALLATION PROCEDURE
10-40TROUBLESHOOTING
2008-08-28
10-00
10-00 INTRODUCTION
Page 1
Figure 1. NHTC
10-00
Page 2
A.RECEIVING & UNPACKING EQUIPMENT
1.PRE-INSTALLATION
D. ACCESSORIES BOX
2.PACKAGING
Figure 3. Distributor Box
10-00
Figure 2. Humidifier Box
Figure 4. SAM-eDistributor Box
10-00
3.PREINSTALLATION EQUIPMENT VERIFICATION
A.GENERAL
10-00
Figure 6. Typical NHTC Installation Sheet 1 of
Page 6
10-00
Figure 7. Typical NHTC Installation Sheet 2 of
Page 7
10-00
THIS PAGE INTENTIONALLY LEFT BLANK
Page
10-10
10-10 INSTALLATION
Page 9
C.MOUNTING WITH WALL BRACKET
1.HUMIDIFIER INSTALLATION
A.LOCATION
B.MOUNTING WITH KEYHOLES
F. STEAM RUNS AND CONDENSATE RETURNS
D.WATER SUPPLY LINE
E.DRAIN LINE
DRAIN WATER FROM HUMIDIFIER CAN BE VERY HOT
Figure 3. Mounting with Mounting Bracket
10-10
Figure 1. Clearances and Operating Conditions
Figure 2. Mounting with Keyholes
Figure 4. Drain Water and Supply Connection
10-10
Page 13
Table 1. Maximum Recommended Length of Steam Line
10-10
Page 15
10-10
Page 16
10-10
Dispersion Method
10-10
10-10
Figure 7. Primary Voltage Supply Wiring
Page 18
G.ELECTRICAL
1Primary Voltage Supply Wiring to Humidifier
H.CONTROL WIRING
bDemand Signal Controls Installation
Page
10-10
Page 21
10-10
Page 22
I.OPTIONAL OUTDOOR TEMPERATURE RESET FUNCTION
10-10
Figure 10. Setpoint Versus Outdoor Temperature
10-10
J.HUMIDITY TRANSDUCER SIGNAL INSTALLATION
L.NORTEC ONLINE INSTALLATION
K.NETWORKING NHTC
Page 24
10-10
Figure 12. Networking NHTCs Optional
10-10
Page 25
Page 26
10-10
10-20
10-20 OPERATION
Page 27
C.BASIC STEAM PRODUCTION METHOD
1.NHTC
A.NHTC COMPONENTS
B.HUMIDIFIER START-UP
10-20
Table
NHTC/NHPC Components
Page 29
Item Number
Table 1. NHTC/NHPC Components cont
Page 30
10-20
Page 31
Figure 5. Capacity Setting and Cylinder Life
Figure 3. Humidifier Start-Up
Figure 4. Drain Rate Versus Water
Page 32
Figure 6. Basic Steam Production Method
10-20
G.SELF-HELP
F.SOFTWARE FLOW CHART WITH DEFINITIONS
E.SOFTWARE INITIAL SELF-TEST
Table 2. Self-TestMessages
Page 34
Figure 7. Software Flow Chart Sheet 1 of
10-20
Page 35
Figure 7. Software Flow Chart Sheet 2 of
10-20
Page 36
Figure 7. Software Flow Chart Sheet 3 of
10-20
Page 37
Figure 7. Software Flow Chart Sheet 4 of
10-20
Page 38
Figure 7. Software Flow Chart Sheet 5 of
10-20
Page 39
Figure 7. Software Flow Chart Sheet 6 of
10-20
Page 40
Figure 7. Software Flow Chart Sheet 7 of
10-20
Page 41
Table 3. Signal Light Status
H.SYSTEM MESSAGES AND LIGHTS
I.DOUBLE UNIT OPERATION
NHTC Display Message
Table 4. Status Messages with LED State
Page
10-20
Probable Cause
Page 43
Symptom Diagnosed
10-20
C.BLOWER PACK OPERATION
2.STEAM DISTRIBUTION
A.STEAM DISTRIBUTOR OPERATION
B.SAM-eOPERATION
10-20
Figure 10. Blower Pack Operation and Adjustments
Figure 9. SAM-eOperation
Page 45
B.DIGITAL TRANSDUCER OPERATION
NORTEC DOES NOT RECOMMEND USING THE DRY RELAY
3.CONTROLS AND REMOTE COMMUNICATION OPTIONAL
A.DIGITAL CONTROL OPERATION
Figure 12. Difference from Setpoint in
Relation to Demand Signal
D.NORTEC LINKS 2 OPERATION
E.NORTEC ONLINE OPERATION
10-20
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10-30
10-30 MAINTENANCE PROCEDURES
Page 49
VOLTAGE COMPONENTS AND WIRING. ACCESS SHOULD BE
MAINTENANCE PROCEDURES
A. MAINTENANCE
DISCONNECT MAIN POWER BEFORE ANY SERVICING
10-30
D.COMPONENTS OF THE STEAM CYLINDER
Figure 1. Cylinder Components
Page
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
10-40
10-40 TROUBLESHOOTING
Page 55
SHOULD BE DONE BY QUALIFIED PERSONNEL C.NHTC/NHPC
1.TROUBLESHOOTING NH ELECTRODE STEAM HUMIDIFIERS
A.PREPARATION
B.STARTING POINT
System
Table 1. Troubleshooting Symptoms
Page 57
10-40
CAN REMAIN VERY HOT DURING THE TROUBLESHOOTING
2. TROUBLESHOOTING DISTRIBUTORS
3.SAM-eTROUBLESHOOTING
Table 2. Ensuring A Demand Signal
A.PROCEDURE
4.BLOWER PACKS TROUBLESHOOTING
5.DIGITAL ON/OFF HUMIDISTAT SENSOR CALIBRATION
Page 59
10-40
Table 3. NH System Messages
Page 60
Symptom Diagnosed
Corrective Action
Page 61
10-40
Probable Cause
10-40
Table 3. NH System Messages cont
Page 62
Symptom Diagnosed
Corrective Action
Page 63
10-40
Probable Cause
Table 3. NH System Messages cont
Page 64
Symptom Diagnosed
10-40
Corrective Action
Page 65
10-40
Probable Cause
A.PROCEDURE
6.0-10VDIGITAL HUMIDISTAT SENSOR CALIBRATION
Table 4. Term Definitions
Page 66
10-50
10-50 TECHNICAL
Page 67
Page 68
1.WIRING AND TERMINALS
Table 1. Controller and Sensor Specifications
A.HUMIDIFIER CONTROL INFORMATION
10-50
B.NH WIRING
Figure 1. NHTC/NHPC Double Unit Wiring Diagram
Page 69
Page 70
Figure 2. NHTC/NHPC Wiring Diagram
10-50
B. PRE-NORTECLINKS START-UPCHECKLIST
A.PRE-NORTECONLINE START UP CHECKLIST WIRING
3 Controls Wired
4 Start-UpProcedure
Unit type
C. HUMIDIFIER MANDATORY PRE-STARTUP CHECKLIST
WIRING
POWER
Page 73
2.START-UPPROCEDURE
1.PRELIMINARY
Remarks
Page 74
WHEN TO REPLACE THE CYLINDER
CYLINDER REPLACEMENT PROCEDURE
MANDATORY CLEANING OF THE DRAIN VALVE
10-50
HOW TO INSTALL THE REPLACEMENT CYLINDER
EXTENDED SHUTDOWN
Page 75
Figure 4. SAM-eExploded View and Spare Parts
3.SPARE PARTS AND EXPLODED VIEWS
A.ASD, BSD, CSD DISTRIBUTOR
B.SAM-eSPARE PARTS
Page 77
C.NH SERIES HUMIDIFIER SPARE PARTS
10-50
Table 2. NHTC/NHPC Plumbing Part List
Table 2. NHTC/NHPC Plumbing Part List cont
10-50 Page 79
10-50
Page 80
10-50 Page 81
Table 3. NHTC/NHPC Electrical Parts List
Page 82
Table 3. NHTC/NHPC Electrical Parts List cont
10-50
10-50
Page
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WARRANTY
Walter Meier Climate USA Inc
Cylinder Replacement Date MM/DD/YYYY
U.S.A
CANADA
