Installation; Mounting / Installation - Critical Room Control CRC-FHM User Manual

Installation

To simplify installation and to protect the LCD during construction activities, the CRC-FHM/FHC
'rough in' components are packaged separately from the LCD screen
Parts Included
• (1) CRC-FHM (FHC) - LCD w/Faceplate
• (1) CRC-FHM (FHC) - Control Unit (CRC-FHM/CONT)
• (1) CRC-MB Room Monitor Mounting Bracket
• (1) CRC-RJ45 Cable
Installer Supplied Parts (Not Included)
• (1) Single gang electrical box (LCD mounting pillar of fume hood)
• Power (18 AWG recommended)
• Signal Wire (22AWG recommended)
Optional Equipment
• (1) CRC-VSS Vertical Sash Sensor
• (1) CRC-HSS Horizontal Sash Sensor
• (1) CRC-SVS Sidewall Velocity Sensor
• (1) CRC-OCC Occupancy Sensor
• (1) CRC-CLV Closed Loop Valve
Rough-in Work
Typical rough in work consists of the following:
•
Mount 1 single gang electrical box for the LCD screen on fume hood pillar.
•
Mount controller enclosure (8" x 8" x 4").
*Must be mounted less than 20' from LCD screen.
•
Run power (24VAC) 18AWG to controller enclosure.
•
Install Sidewall Velocity Sensor, Vertical Sash Sensor, Horizontal Sash Sensor or
combination Vertical/Horizontal Sash Sensor.
•
Run RJ45 cable from controller enclosure to single gang electrical box for LCD screen.
•
Run additional wires as needed (network, signal integration to other devices, etc.).
Installation Notes
•
Power to Fume Hood Monitors/Controllers should be isolated.
•
Monitors/Controllers should have dedicated circuit.
•
22 ga.-stranded wire is preferred for installation.
•
Do not run wiring near electrical interference.
•
Spare wires and/or shield should be wrapped / insulated to eliminate contact with
circuits.
•
Do not share common supply power and I/O between different manufacturers.

Mounting / Installation

The CRC-FHM/FHC is a two-part system designed to reduce installation costs and allow for surface
mounting of LCD monitor. The two components to be installed are the monitor and the controller
(CRC-FHM/FHC and CRC-FHM/CONT).
Fume Hood Monitor and Controller – User Guide 27 © 2016 CRITICAL ROOM CONTROL