1BHFt%3*45&&.7BQPSMPHJD
3
Installation and Operation Manual
Summary of features
t Self-diagnostic test at startup
t End-of-season automatic drain
t 3FBMUJNFDMPDL allows time-stamped alarm tracking and three
ways to program drain and flush cycles:
1. Usage (unit drains after a set number of pounds [kg] of water
cycle through)
2. Usage and interval (time) (unit drains at a preset time after a
set number of pounds [kg] of water cycle through)
3. At a preset interval (time)
t Keypad has a backlit display and features:
– Intuitive menu-driven access to all system functions
– Default screen for quick viewing of status and set points
– Data reports to track performance and efficiency
– System diagnostics and alarm tracking for troubleshooting
– Password protection of setup parameters
– Easy viewing in low light environments
– Three ways to mount the keypad:
1. Hand held (shipped with a 5' [1.5 m] cable)
2. Mounted on the side of the control cabinet or humidifier
shroud
3. Mounted remotely using a standard telephone plate. The
keypad can be located up to 500' (152 m) — the maximum
length of the keypad cable — from the controller board and
control cabinet.
t Tank temperature sensor, mounted on the evaporating chamber,
allows Vapor-logic
3
to provide:
– Over-temperature protection (on some models)
– Freeze protection
– Tank preheating, allowing rapid response to a call for
humidity
t Sensitivity to low conductivity water (important when using a
standard humidification system with low mineral content water)
t Single-controller platform; modular design
The Vapor-logic
3
controller is standard on most DRI-STEEM
humidifiers. The base configuration includes a main controller
board and keypad. Expansion modules increase capability and
allow DRI-STEEM humidifier systems to use the same controller
platform and keypad interface.
Summary of features
VL3_IOM.pdf 6 11/19/2009 9:11:05 AM
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