Wall-mount type of Air Quality Detector
Model: GTF300-AQ and GTF300-VOC
GASTECH is a professional manufacturer in various gas detectors, carbon monoxide detector, carbon dioxide detector,
oxygen detector, odor detector, VOC detector, hydrogen sulfide detector and carbon monoxide detector. Welcome tour
our website
www.gastech.com.tw
4
M O D E L … A 0 3
GTF300-AQ-A
1. Power on display
After power on, the GTF300-AQ/VOC gas detector will display a series of messages, including welcome, model
no and CIAQ (Composite Index of Air Quality).
WELCOME
Show the model no. (Show it at power on only.)
GTF300-AQ-A and GTF300-VOC-A are a standard type with 4 ~ 20 mA analog output.
GTF300-AQ-R and GTF300-VOC-R are an optional type with relay output.
It’s warming up now, please wait. (Show it at power on only.)
GTF300-AQ/VOC can detect hydrocarbon compounds in the air, especially high sensitive
of hydrogen and transfer the CIAQ (Composite Index of Air Quality) shown on the display.
CIAQ define fresh air and/or zero air is "1". According to concentration of hydrocarbon
compounds and hydrogen in the air, the more pollution exists the higher CIAQ will show.
2. Settings
The following operating procedure describes the settings. In the operation, press NEXT key or idle 3 minutes, the
display will back to the CIAQ.
In the display, press NEXT key to enter next function.
In the display, press ADJ key, the buzzer and flash lamp will action. Press ADJ key again,
they will stop.
(The relay will make action in TEST ALARM also, if detector model has
relay output.)
Press NEXT key to enter next function.
In the display, press ADJ key, to reset the buzzer high limit. The last words of last row
might show UP, press ADJ key will increase the setting limit. Press UPDN key, the word
will change to DN; press ADJ key will decrease the setting limit.
Press NEXT key to enter next function.
In the display, press ADJ key, to reset the flash high limit. The last words of last row might
show UP, press ADJ key will increase the setting limit. Press UPDN key, the word will
change to DN; press ADJ key will decrease the setting limit.
Press NEXT key to enter next function.
G A S T E C H
W E L C O M E
WARMING-UP
WAIT….
TEST ALARM
Buzzer Limit
CIAQ 70 UP
Flash Limit
CIAQ 50 UP
CIAQ 1
CIAQ 1