Installation & Operation Manual Merlin GDP4
Rev: 9 03-20
7
Auto Reset Set-Up Switch
The GDP4 has a built-in auto reset feature.
There is a dip-switch located on the GDP4 circuit board labelled [Auto].
This is factory set in the ‘Off’ position i.e. when power is restored after a power cut or loss, the
panel has to be restarted manually. When switched to ‘On’, the system will restart
automatically when power is restored.
AUTO SWITCH
CONDITION
OFF
GDP4 has to be restarted manually following power cut/ loss.
ON
GDP4 will automatically restart when power is restored.
Zone 1 - 4 Set-Up Switches
There are dip-switches located on the GDP4 circuit board labelled [ZONE 1] to [ZONE 4].
This is factory set in the ‘Off’ position. For each of the gas detector zones you are using please
ensure that the relevant zone has being enabled. The zones you are not using should be left
disabled.
ZONE 1/2/3/4 SWITCH
CONDITION
OFF
Gas detection zone disabled.
ON
Gas detection zone enabled.
Factory Set Condition
SWITCH
CONDITION
BMS
OFF
AUTO RESET
OFF
ZONE 1
OFF
ZONE 2
OFF
ZONE 3
OFF
ZONE 4
OFF
Trouble Shooting
Fault.
Possible Cause/Correction.
Detector not responding.
o
Incorrect wiring
o
Zone switches not properly configured
Panel not responding.
o
Incorrect Wiring
o
No Power
o
Auto-Reset not properly configured
