DriSteem HUMIDI-TECH DI Installation Guide Page 3

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DRI-STEEM Vapor-logic
3
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Table of contents
IMPORTANT
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Overview
Product overview ..........................................1
Summary of features .......................................2
Control input signals .......................................3
TP modulation ............................................5
SSR modulation ........................................... 6
Valve and burner modulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Water level control standard water models ..................8
Water level control DI/RO models .........................9
Installation
Installing the keypad/display ...............................10
Main control board connections ............................11
GTS expansion board connections ..........................15
Vaporstream expansion board connections ...................17
Installation checklist ......................................18
Typical installation ........................................19
General wiring procedures .................................20
Control cabinet connections ................................22
Sensor device placement and humidity control overview .......25
Wiring sensor devices .....................................26
Configuration string programming ..........................32
Interoperability using LonTalk ..............................34
Multiple-tank configurations ...............................42
Multiple-tank configuration string ......................50
Operation
Using the keypad .........................................52
Menu structure overview ..................................54
Main menu screens:
Idle screen ...........................................56
Status screen .........................................58
Control modes screen .................................59
Alarms screen ........................................60
Fault messages ....................................61
System Set Up screen ..................................63
Adjusting set point ................................65
PID tuning .......................................66
VAV, temp comp control operation ..................70
Dew point control, tank preheat operation ...........71
Aquastat, freeze protection operation ................72
SDU/fan operation, sensor offsets ...................73
Automatic drain sequence (ADS) ...................74
End-of-season drain ...............................76
Service interval, setting date and time ...............77
Diagnostics screen ....................................78
Reports screen ........................................79
Start-up checklist .........................................81
Troubleshooting ..........................................84
Replacement parts .......................................101
Notes ................................................102
Warranty .........................................Back cover
VL3_IOM.pdf 3 11/19/2009 9:11:05 AM
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