Installation & Operation Manual Merlin WLDZ4
Rev: 2 02-24
6
Auto Reset Switch
The panel has a built-in auto reset feature. There is a dipswitch located on the circuit board labelled [AUTO RESET].
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 enabled, the system will restart automatically when power is restored.
AUTO SWITCH
CONDITION
OFF
Panel has to be restarted manually following a power cut/loss and/or alarm.
ON
Panel will automatically restart when power is restored.
Zone 1 - 4 Set-Up Switches
There are dipswitches located on the WLMZ4 circuit board labelled [ZONE 1] and [ZONE 2].
This is factory set in the ‘Off’ position. For each of the
water detection zones you are using please ensure that the
relevant zone has being enabled. The zone you are not using should be left disabled.
ZONE 1/2/3/4 SWITCH
CONDITION
OFF
Water leak detection zone disabled.
ON
Water leak 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.
Water Leak Monitor not responding.
o
Incorrect wiring
o
Zone switches not properly configured
WLMZ4 Panel not responding.
o
Incorrect Wiring
o
No Power
o
Auto-Reset not properly configured
Operation
Initial Power-Up (Commissioning)
On connecting mains power, press reset to start. The system will close the solenoid valve when an emergency stop
has been pressed, water leak has been detected or any alarm signal has been triggered.
When the system is connected to the mains power supply, the Power LED will illuminate RED.
