Utility Touch Buttons / Led Indication Status - S&S Northern Merlin 2000X Installation & Operation Manual

Installation & Operation Manual

CO High
2
If the concentration of CO2 in the air is at alarm level (relevant detector required), the LED will
illuminate and the gas supply is isolated.

Fire Alarm
If the fire panel connected detects a fire the LED will illuminate and the gas is isolated.

Supply Fan - Under normal working conditions this LED is on.
If a supply fan external current sensor fault is detected, the LED will flash.
After ~20 seconds: the LED will remain on and Fan Fault LED will illuminate.
If a supply fan internal current monitor fault is detected, the LED will flash.
After ~20 seconds the LED will flash twice a second and Fan Fault LED will illuminate.

Extract Fan - Under normal working conditions this LED is on.
If an extract fan external current sensor fault is detected, the LED will flash.
After ~20 seconds: the LED will remain on and Fan Fault LED will illuminate.
If an extract fan internal current monitor fault is detected, the LED will flash.
After ~20 seconds the LED will flash twice a second and Fan Fault LED will illuminate.

Fan Fault
If a fan fault occurs for longer than 20 seconds, the LED will illuminate RED.

Utility Touch Buttons / LED Indication Status


Gas - When the key switch is turned on, the system will check the installation for gas leaks.
**If gas proving is successful, the Testing LED will turn off and this Gas LED will remain ON.
**Factory Set Condition.
Gas LED will flash when checking external current sensors, current monitor or gas proving.
Rev: 1
Merlin 2000X
13