The SES9000 complete system controller

The model SES9000 is a complete indoor hydroponic & environmental control system designed for unattended operation.  It features the latest in microprocessor technology, and includes a computer interface for monitoring and control.

SES9000 FEATURES:

  • Automatically adjusts the pH of the nutrient solution, maintains correct pH levels at all times.

  • Feeds the plants by continuously monitoring the conductivity (ppm) of the nutrients delivered to the plants and adds nutrients or fresh water as needed.

  • Thermostat and a humidistat are combined to turn on an exhaust fan if the temperature or humidity rise above their setpoints.  Heating and cooling through air conditioners, heat pumps, recirculated hot water systems, all types of heating and cooling can be accommodated.

  • A CO2 sensor displays the ambient CO2, while the controller powers CO2 generators or bottled gas to maintain precise CO2 concentrations.

  • Pump timer powers the nutrient delivery pump with up to 32 on and off  time settings.

  • Water is automatically replenished after every pump run cycle.

  • A Water Heater maintains proper temperature of the nutrient solution.  (Water chiller controls are available).

  • Four Battery backed 24 hour light timers for accurate & reliable on/off lighting schedules.

  • Optional auto-dialer for dial-out voice alarm reporting, with voice or pager notification in the event of alarms.

  • Intrusion alarms, nutrient leak alarms, pH and nutrient out of range alarms.

  • All controls operate in one or two rooms and are controlled from a single central control system.

  • The system is designed for expansion!  Simply add additional slave relay and sensor modules as required.  Our own three wire network connects the master controller with up to 4 slave controllers.

CLIMATE CONTROL
COOLING
The system cools the room through an exhaust fan. The fan is activated whenever the temperature or humidity exceed the pre-programmed setpoints of temperature and humidity.  A repeat-cycle timer is included to guarantee a fresh air exchange.  Additional "stages" of cooling are included, which automatically switches to an air conditioner if venting is not enough.  For the greenhouse environment, we offer up to six stages of cooling and two stages of heating.  For dehumidification, the system can be set up to operate either the vent fan or a de-humidifier.
HEATING
Many different types of heating controls are possible, from electric heaters to heat pumps to hot water circulation systems. Two stages of heating are provided, that can switch on two banks of heaters when the first heater cannot keep up with demand.  The simplest system to install is electric heat, but is the most costly to operate.

DAY AND NIGHT TEMPERATURE SETPOINTS
Different day and night temperature setpoints are available for both heating and cooling, and allow the grower to control plant height and to reduce energy costs.  Plants generally tolerate a 10-15 degree cooler night temperature to save on energy costs.  When the system switches between day and night modes, the temperature is gradually ramped to the new setpoint, preventing a temperature shock to the growing environment.

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