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GAS LEAK DETECTOR INSTALLATION & USER GUIDE
7. STANDARD DEFAULT SETTINGS
Relay 1 Low-level relay set at 500 PPM, NO, Auto reset mode
Relay 2 High-level relay set at 900 PPM, NO, Auto reset mode.
Delays on both alarm outputs are 0 minutes (no delay).
CON 1: Power Supply input
Power on indicated by Green LED.
Supply voltages to be either 12V to 24V AC or 12 to 30V DC
Power consumption is 4W max at 12V.
The connectors will accept wire of 0.5-1.5mm² Refer to Section 3 for maximum cable
run.
CON 2: Not Used.
CON 3: Analogue Output
Pin 1: 0V
Pin 2: 4-20mA. Load resistance<400Ω
Pin 3:0-10V. Load resistance>100Ω
Pin 4: 0-5V. Load resistance>10KΩ
CON 4: Plug-in detection sensor
CON 5: Not Used
CON 6: Relay 1 contacts (1Amp 24V AC/DC)
Low-level alarm. Indicated by Yellow LED.
Normally closed when JP4 link inserted, JP3 link removed, as shown on Fig. 1.
Normally open when JP3 link inserted, JP4 link removed, as shown on Fig. 1.
Latching (manual reset by push button located next to CON 7) / Not Latching set by
JP8 (see Fig. 1. in Connection Instructions)
Alarm Threshold level set by RV1 and can be set by putting a meter between TP0
(negative) and TP2 (positive) and adjusting RV1 (scale is 0 to 5V e.g. 2.5V is 50% of
scale).
Delayed response time set by JP1 link (see Fig. 1. in External Connections)
Position 1= No delay Position 3=5 min
Position 2=1 min Position 4=10 min
CON 7: Relay 2 contacts (1Amp 24V AC/DC)
High-level alarm. Indicated by Red LED on.
Normally open/closed when JP5 link inserted, as shown on Fig. 1.
Latching (manual reset by push button located next to CON 7) / Not Latching set by
JP7 (as above)
Alarm threshold level set by RV2 and can be set by putting a meter between TP0
(negative) and TP3 (positive) and adjusting RV2 (scale is 0 to 5V e.g. 2.5V is 50% of
scale).
Delayed response time is set by JP2 link (see Fig. 1. in External Connections).
Position 1= No delay Position 3=5 min
Position 2=1 min Position 4=10 min
If changing any jumper - power must be removed.
EN1B-0014UK07 R0404 6