41-VCU2-24 Environmental Controller Overview
The VCU 2-24 Environmental Controller is a single zone, thermostatic controller for greenhouse heating and cooling. Feat...
Posts by Chris Hume
Manual Gear Cranks
We recommend the Guide Pipe Extender Post be positioned above the top curtain clasp (12" is typical).
On greenhouses,...
LVM Internal Limit Switch Setting
Adjustment dials on the limit switch housing are used to set a motor's rotational limits. There is one dial for each dir...
External Limit Switch: Overview and Wiring Basics
The Low Voltage External Limit Switch is Required for all Roll Lock Curtain and Rack & Pinion installations. When in...
How to Replace a Diode in an External Limit Switch
The low voltage external limit switch is used to stop the motor at an exact point and is required for all Roll Lock Curt...
Troubleshooting Relays in Greenhouse Controllers
https://youtu.be/j_b4WyQOL9k?si=p2aiHJTGnzukIgZ_
In this video, we explain how to troubleshoot relays in...