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Summary of Contents for Triplett GSM500
- Page 1 User Manual GSM500 Carbon Dioxide Monitor/Controller...
- Page 2 GSM500 CO2 controller. An external CO2 sensing probe is included to help you measure the CO2 level in a closed space. This GSM500 controller has a 120V US AC line cord plug to get AC power from wall power outlet, and provide controlling function to other connected devices, such as CO2 generator and ventilation fan.
- Page 3 Included This package contains: Meter (controller + monitor) Operation manual Screws and tape Power Supply The meter is AC100~240VAC powered by AC120 VAC directly. The power plug is a USA piggyback plug type so you can plug in the device you want to control. Meter Placement An external CO sensing probe is...
- Page 4 Safety Fuse meter powered AC100~240 VAC directly and provide power through piggyback socket or EU/UK/FR/AU type socket to drive CO2 generator or ventilation. To avoid the damage by power overload, a 3kA@300VAC fuse is installed in meter. Contact distributor or shop to purchase new fuse while necessary.
- Page 5 LCD Display...
- Page 6 Operation Plug the power plug into the wall socket to turn the controller on. While connect is successful, the device will show full display with a short beep and then performs 10 sec. countdown to warm up and also displays firmware information and “Warm Up”...
- Page 7 Taking Measurements The meter starts taking measurement after power on and updates readings every second. If your application is for green house CO2 control, no initial setup is needed. In the condition of operating environment change (ex. from high to low temp.), it takes 30 sec to respond for CO change.
- Page 8 and minimum values on the displayed chart. While you press down key to change the chart time scale, these value update as well. Display Backlight By pressing any key can activate the backlight for 30 seconds to help you operate in dark environment. Auto Detect Day/Night In greenhouse application, CO2 control is not necessary while light is weak.
- Page 9 while users pick up “ Human” mode in advanced setting. You can check from display to know the existing setting is Human or Plant In Human mode, if the Set Center is 1200ppm, and the Set zone is 400ppm, the output power will turn on when CO2 over 1200+(1/2)*(400)=1400ppm, and shut off when CO2 is below 1200-(½)*(400)=1000ppm.
- Page 10 Setup Hold key under normal mode to enter MENU setup mode. Press key to choose the necessary MENU setup function and then press ENTER enter. To exit setup, press key four times MENU till it returns to normal mode. “Center”, “Zone”, “Re-CALI”, “ADV”...
- Page 11 Note: One short cut for users to revert the Center and Zone to 1200& 400ppm : In normal mode, press for 3 secs ENTER till an audible beep and LCD should show “ Back Home Done” . RE-CALI While the accuracy of this device is a concern, you may use this function to calibrate this device with outdoor fresh atmospheric air in ~400ppm condition.
- Page 12 ADV(advance) The last function in setup mode is called advance setting which allows you to customize your controller with more flexibility, includes: 1. buzzer alarm on/off, 2. CO2 altitude (pressure) compensation,3. choose relay output to Human or 4. Plant mode, 5.restore to factory default status.
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Page 13: Troubleshooting
Troubleshooting ? Can’t power on Check whether the power is well plugged. Check whether the fuse is damaged ? Slow response Check whether the air flow channels on the sensing probe is blocked. ? CO2 reading is “Hi” Means the measured value is higher than 5000ppm. - Page 14 Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.
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Page 15: Fuse Specification
Appendix FUSE SPECIFICATION Dimension: Dia.5 x 20(L) mm -Amp code:1600 -Rated Current: 6.00A -Max. Voltage:300 VAC 300 VDC -Max. Voltage Drop: 150 mV -Breaking Capacity: 3kA@300V AC 3kA@300V DC -Typical Pre-arcing I2t (A Sec):30 Location: The fuse is on the PCB. Please unscrew 7 screws on the back side of meter then you can find the fuse... - Page 16 Appendix LEVELS AND GUIDELINES Non-Enforced Reference levels NIOSH recommendations 250-350ppm: normal outdoor ambient concentrations 600ppm: minimal air quality complaints 600-1000ppm: less clearly interpreted 1000ppm: indicates inadequate ventilation; complaints such as headaches, fatigue and eye/throat irritation will be more widespread. 1000ppm should be used as an upper limit for indoor levels.
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