Intelligent Growing Systems RH/Temp Smart Control, Runs up to 4 pieces of equipment is no longer available

Intelligent Growing Systems RH/Temp Smart Control, Runs up to 4 pieces of equipment is no longer available


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Why use many climate controllers when a single one can perfectly manage temperature and relative humidity? No more need to coordinate many controllers together, the iGS-111 prioritizes actions according to a logical sequence and avoiding contradictory actions like heating and cooling at the same time. It intelligently and simultaneously manages 4 devices, giving you advices, detect equipment failures and manages alarms. Thanks to the integrated management of climate, the iGS-111 makes it easy to maintain a precise comfort zone for plants.

Control Module

The controller intelligently manages 4 actions: heating, cooling (AC or fan), humidifying and dehumidifying. It allows adjustment of 5 set points per climate parameter: set points for day, night, temperature and humidity's differential, alarm and event logging. The controller database allowing you to know the real conditions of your garden over the last 24 hours.

  • Temperature precise sensor: ±1.8°F (±1°C)
  • Photocell to enable day/night set points
  • Relative humidity precise sensor: ±3.5% RH
  • Displays climatic conditions, advices, alarms and errors

Connection Module

Connected to a compatible alarm system (0.6 A @ 120 Vac or 2A @ 30 Vdc), the connection module will activate alarms to notify a temperature or a humidity control problem. The two IGS-25 power boxes, each controlling your equipment with 2 auxiliary outputs, can be connected (Ethernet or RG45 cable) on different circuits up to 50 feet of the connection module.

  • Two IGS-25 power boxes (4 auxiliary outputs)
  • Dry contacts for temperature and/or humidity alarms

Fresh Air Intake

Without CO2 Enrichment

The continuous operation of fan(s) is recommended during the day or a CO2 controller (iGS-061) with a fan speed control (iGS-070) forms an effective combination to control ventilation providing available CO2. Plug a power strip in an auxiliary outlet of the temperature and humidity controller (iGS-110) and plug the temperature or humidity prioritized equipment and the iLS120-OFF sense cord. Feed the iLS120-OFF in different circuit and plug in a CO2 controller (iGS-061 or iGS-100) to manage CO2 enrichment equipment.

With CO2 Enrichment

Fans may be operated a few minutes per hour Especially if you use combustion CO2 generator, the ventilation for at least 2 to 5 minutes is mandatory to replenish the oxygen supply required by the generator's combustion.


The iGS-111 feeds up to 30 amps of controlled equipment (need two separate circuits 110-120 V). Equipment which uses other voltage then 110-120 V, like large capacity air conditioning unit, may be controlled by using an iGS-DCS. You can also increase the capacity with a load switcher box iLS4- 121, iLS4-121s or iLS4-241.

  • 120 V, 15 A, 2 HP load capacity (1 circuit)
  • 120 V, 30 A, 4 HP load capacity (2 circuits)

Controller Functions

Integrated Controller Yes
Digital Display Yes
Info, Error or Alarm Messages Yes
Day/Night Detection Photocell
Day and Night Setpoints Yes
Adjustable Operation Priority No
Intelligent Self Management Equipment Yes
Performance Analysis Temperature and RH Control
Self Audit of Controller Errors Yes
Data Log Last 24 Hours
Contact for External Alarms Temperature and RH
Integrated Fan for Air Sampling Magnetic levitation sleeve bearing, 7 cfm

Auxiliary Devices Control

Controlled Actions Heating and Cooling and Humidifying and Dehumidifying
Controlled Auxiliary Outputs 2 x iGS-25 (4 auxiliary outlets)
Simultaneously Controlled Equipment 4 (2 for temperature and 2 for RH)

Temperature Control

Temperature Display Yes
Temperature Sensor Accuracy ±1.8°F (±1°C)
Temperature Sensor Range -4 °F to +122 (-20 °C to +50 °C)
Adjustable Temperature Setpoint Yes
Temperature Differential Fix
Adjustable Temperature Differential Yes
Controlled Equipment for Temperature Heater or Air Conditioner or Fans

Humidity Control

RH Display Yes
RH Sensor accuracy ± 3,5 % RH
RH Sensor Range 0 - 100 % HR
Adjustable RH Setpoint Yes
RH Differential Fix
Adjustable RH Differential Yes
Controlled Equipment for RH Humidifier and Dehumidifier

Electrical Specifications

Power Supply 12 Vdc @ 600 mA
Auxiliary Power Supply 120 V – 60 Hz – 15 A (each iGS-25)
Output Maximum Current 120 V, 15 A, 2 HP (1 circuit), 120 V, 30 A, 4 HP (2 circuits)
Dry Contacts for Alarms N.O or N.C., fail safe or standard, 6 A @ 120 Vac ou 2A @ 30 Vdc
AC Adapter Power Supply 12V DC center positive 800 mA min
Splash Proof Membrane Front panel
Operating Conditions 0 to 60 °C, 0 to 95 % non-condensing RH
Warranty 3 Years
Tech Specs


BrandIntelligent Growing Systems
Weight (lb.)3.75
Lead TimeDue to social distancing requirements, this product ships in 3-4 weeks
Length (in.)9.1
Width (in.)7.75
Height (in.)7
Warranty3 Year
Prop 65No
Controller FunctionsTemperature Control, Humidity Control, Ventilation Control, Cycle Timer Control, CO2 Control, Temp & Humidity Monitors
Remote SensorNo
Number of ZonesSingle Zone
Humidity Setting Range0 - 100 % HR
Temp Setting Range-4 °F to +122 (-20 °C to +50 °C)
Has PhotocellYes
Display Readout TypeDigital
Amps15 Amps
Voltage120 Volts
Frequency60 Hz
UL ListedNo