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grammed for a specific sensor based control
Greenhouse doors are sold separately
The timers can be set-up to be recycling timers
You may consider the 30'x48' frame which is almost the same size but will fit standard greenhouse plastic sizes
VFD fan speed control for Hydro-X Pro hvac ducting grammed for a specific sensorVFD 1 Variable Frequency Drive is specifically designed to control Inverters including TECO E510, DELTA ME300, ABB ACS355 (with an FMBA 01 module) etc. with the Hydro X Pro controller for the purpose of controlling and adjusting the speed of industrial fans in your application. There is no need to provide power supply for the VFD 1 unit. It can be connected to the Hydro X Pro with a simple RJ12 phone cable.
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