DriSteem Vapor-logic 4 User Manual

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Options and features
Duct high limit switch option ........................58
Modulating high limit transmitter option ..............58
Temperature compensation control option .............58
Auxiliary temperature sensor option ..................59
Tank preheat feature ................................59
Aquastat set point feature ............................60
Fan-based dispersion operation .......................60
Sensor offsets .......................................61
Automatic drain sequence, tap/softened water ..........61
Draining when using softened water ...................62
Skim timer .........................................62
End-of-season drain .................................62
Service interval .....................................62
Setting date and time ................................63
Battery backup, nonvolatile memory ..................63
Security/password ...................................63
Downloading historical data ..........................64
Backing up and restoring data ........................64
Firmware updates
Downloading firmware updates .......................65
Installing firmware updates ..........................68
Test outputs and test run .................................69
Modbus, BACnet, LonTalk interoperability
Connections .......................................70
Installing LonTalk as a retrofit ........................70
Installing BACnet as a retrofit ........................70
Multiple-tank operation:
Introduction
Multi-tank mode defined ............................77
Multi-tank control interface ..........................77
Priority groups
Start-up order and trim tanks ........................77
Tank grouping to maximize efficiency .................78
Redundant tank for mission-critical applications ........78
Tank wear leveling ..................................78
Fault tolerance ......................................78
Wiring and setup
Wiring a multi-tank group of humidifiers ..............80
Multi-tank system setup .............................80
Modbus, BACnet, LonTalk
Multi-tank fieldbus profiles ..........................81
Other system parameters and interoperability ..........81
Multi-tank operation with Web interface. . . . . . . . . . . . . . . 81
Using the keypad/display ...............................82
Using the Web interface ...............................83
Troubleshooting guide ...................................84
Replacement parts .......................................96
Warranty ................................... Back cover

DriSteem Vapor-logic 4 Specifications

General

Brand	DriSteem
Model	Vapor-logic 4
Category	Controller
Language	English