DriSteem HUMIDI-TECH DI Installation Guide download pdf (Page 46)

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Installation and Operation Manual

One master controller, multiple slave tanks

Vapor-logic

has the capability to operate multiple DRI-STEEM

humidifier tanks under the control of one Vapor-logic

controller.

This is called operating in multi-tank mode. A multi-tank system

has the following components:

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Every humidifier tank in a multi-tank group is called a slave

humidifier tank. Every slave humidifier tank's controller has the

capability to also become a master controller, but only one master

controller per multi-tank system is allowed.

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The master controller receives the demand signal and controls

slave humidifier tank steam production based on:

— Priority group

— Wear leveling

— Fault status

The master controller also gives permission to slave humidifier

tanks to perform functions such as draining and flushing.

To become a master controller, a slave humidifier tank's controller

must be field-wired to all required control input signals and be

programmed with the system capacity.

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keypad

There is one Vapor-logic

keypad per multi-tank group. This

keypad ships attached to the master controller but it can be

connected to any humidifier in the multi-tank group, mounted

within the maximum keypad cable length (500' [152 m]) from

keypad to any control board in the multi-tank group.

Multiple tank configurations:

Introduction

Important:

Information on this page applies to

Vapor-logic

firmware versions 5.x.x

and 7.x.x only (systems with multi-tank

capability).

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DriSteem HUMIDI-TECH DI Installation Guide Page 46