
1
Product overview
Product overview:
Summary of features
VAPOR-LOGIC
®
3
features overview.
Accurate, responsive
microprocessor control
Our newest controller, VAPOR-LOGIC
3
,
provides unprecedented, comprehensive control for
DRI-STEEM humidifiers. With expanded
capabilities, easy-to-use keypad, and modular, open
protocol design, the VAPOR-LOGIC
3
efficiently
controls all humidifier functions.
Navigating the keypad to adjust or review humidifier
functions is an intuitive process of walking through
easily-read screen menus. The controller’s open-
protocol design allows seamless integration with
building management systems.
You will find no other controller in the humidifier
market able to provide such functionality, ease of
use, and accurate RH control.
Control mode options
• On-off operating mode controls single or
multiple electric staged outputs.
Expected accuracies: ±5-7% RH
• Time proportioning function controls
humidifier outputs via cyclic actions on
electrical contactors or a modulated signal to
our solid state zero cross-fired SSR power
controllers.
Expected accuracies:
– Contactor action: ±2-4% RH
– SSR action: ±1-3% RH
• Proportional action controls modulating steam
or hot water valves or GTS burners by providing
a linear analog signal to the motors (for STS,
LTS or GTS humidifiers).
Expected accuracies: ±2-5% RH
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