5. LCD Display Icons
Symbol Meaning Description
CO2 Level
CO2 Concentration in ppm
(Parts Per Million)
Temperature Display the current temperature.
Switch °C / °F with UP key
Barometric
Pressure
Displays air pressure. Switch
inHg / hPa with DOWN key
Recover
Factory Setting
Restore factory default settings
and delete all custom settings
Calibration
Fresh air or known CO2 level gas
calibration in process
Hi
Setting CO2
Target High
value
CO2 High level when relay is
turned on or off depending on
mode
Lo
Setting CO2
Target Low
value
CO2 Low level when relay is
turned on or off depending on
mode
HI
High CO2 value CO2 Levels have exceeded
10,000PPM
Relay is
Activated
When the relay is powered ON
will be shown on the LCD
Greenhouse
Mode (default)
Relay on below CO2 set-point,
photo sensor enabled
Ventilation
Mode
Relay on above CO2 set-point,
Relay on above CO2 set-point,
6. Safety Notes
Your safety is very important to us! To ensure correct and safe use of the product,
please read this entire User Manual before using the CO2 controller. Otherwise,
the protection provided by the equipment may be impaired. These warnings
provide important safety information and should be observed at all times:
1.
Do not subject the unit to impact or shock. This may decrease the sensor’s
precision.
2.
Do not place the unit or the power plug near a heat source. Heat can
cause distortion of the unit, which may result in fire.
3.
Do not open the CO2 Controller or touch any exposed electronic circuitry
under any circumstances. This could result in electric shock.
4.
Use the attached power adaptor and cord in a grounded plug only.
Ungrounded power sources can cause serious damage to the product, or
result in injury or death to the user.
5.
Only connect devices to the controller that use grounded plugs.
7. Installation Instructions
1.
Choose a suitable location at plant level to install the controller. Mount
the controller securely using the 2 included screws.
2.
Plug the piggyback plug into a 110-220 VAC (US only) grounded wall
socket to power the controller.
3.
Greenhouse Mode:
Plug a CO2 generator or bottled CO2 control
regulator into the piggyback plug.
4.
Ventilation Mode:
Plug an exhaust fan into the piggyback plug.
Note:
Electrical devices plugged into the piggyback plug must draw
less than
5A at 110-250 VAC or less than 5A @ 30 VDC.
8.
Changing Settings
The settings that can be changed are: Mode, Target, Calibration, Advanced
and Reset Factory Defaults. Each is described below.
9.
Changing the Mode
When the
leaf icon
is displayed, the controller is in
Greenhouse
Mode
.
This mode maintains a pre-set CO2 level by powering the piggyback
plug during
daylight only.
When the
house icon
is displayed, the controller is in
Ventilation
Mode.
This mode powers the piggyback plug when the CO2 level is above
the
Target Hi and remains on until the CO2 level falls below the Target Lo level. In
Ventilation Mode, the photo sensor is ignored.
To change the Mode:
1.
Press the SEL/ENT button 4 times The MODE icon will flash.
2.
Press SEL/ENT button for 2-3 seconds to enter the MODE setting.
3.
Press the UP or DOWN buttons to change from GROU to VENT.
4.
Press the SEL/ENT button again to Save the MODE.
