10
VAPOR-LOGIC
®
VERSION 6 INSTALLATION AND OPERATION MANUAL
The Vapor-logic board is designed to make installation very easy:
• Terminal blocks that require field connections are outlined in white .
• Terminal plugs can be removed to allow easy access when inserting wires
and tightening screws .
• For most applications, humidifiers ship with the control board fully
configured, with drain, fill, and other humidifier components factory-wired
to the board, and the keypad/display attached to the humidifier and
connected to the Vapor-logic board .
INSTALLING VAPOR-LOGIC IS A THREE-STEP PROCESS:
1 .
Connect field wiring from device to Vapor-logic board .
See instructions beginning on Page 12 . Note that some connections
listed here may not apply to your system .
• Control input (one required)
– RH or dew point transmitter
– Demand signal by others (4-20 mA or 0-10 VDC typical)
– Room or duct humidistat
– Demand signal by BACnet, Modbus, or LonTalk
• Limit controls
– Airflow switch (duct or SDU)
– Duct high limit on-off switch or transmitter
– Temperature compensation transmitter (or auxiliary temperature sensor
connected to same terminal)
– Master enable
Installation process
INSTALLATION
