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Figure 7: Operation of the output for activation of a solenoid valve as a function of gas concentration
5
User interface
5.1
Front panel
Figure 8: Teta MOD Control 1 panel
5.1.1
ALARM area
Indicator
Status / colour
Information
LPG / NG / H
2
Regular operation of LPG/NG/H
2
detectors, concentration of gases is below the
established thresholds
/ red
1 blink – the first alarm threshold is exceeded
/ red
2 blinks – the second alarm threshold is exceeded
/ red
3 blinks – the third alarm threshold is exceeded
CO / NO
2
Regular operation of CO/NO
2
detectors, concentration of gases is below the
established thresholds
/ red
1 blink – the first alarm threshold is exceeded
/ red
2 blinks – the second alarm threshold is exceeded
/ red
3 blinks – the third alarm threshold is exceeded
External
No voltage signals appear on EXTERNAL ALARM inputs of the control module
/ red
Voltage signals delivered to EXTERNAL ALARM inputs of the control module
Table 6: ALARM indicators description
s. 13|31
User's Manual: POD-051-ENG R02
Output for valve
actuation
Gas concentration
ALARM 3
Time
Alarm is triggered
– the output is activated
Alarm is triggered
– the output is activated
01:?????????????
14:???
Display
Keypad
ALARM area
STATUS area
