Merlin
Product Data Sheet
S&S Northern Ltd
4
On Auto-shut down gas supply will be turned Off. There are two blue dip-switches
located on the inside facia of the Merlin 1000V
W+ labelled “Electric” and “Water”.
They are factory set in the ‘off’ position. On installation, they can be switched to the
‘on’ position. This will instruct the system to also turn off Electric and/or Water
services when performing Auto-shut down.
2.9
Remote Emergency Shut Off Buttons
. The terminal for remote emergency shut-off buttons
is detailed on the circuit board as “EM Remote”. These connections are linked out as a factory
setting. Remote emergency shut-off buttons should be volt free and wired to the Merlin
using two-core cable.
2.10
CO2/Gas Detected.
The terminals detailed on the circuit board as “Gas Detector”. These
connections are “+,-“ and ”
” these can be wired to a Merlin Natural gas, Carbon monoxide
or LPG detector. This terminal can also be wired to a CO2 monitor to shut off the system in the
event of High CO2 levels. If no detector is being used l
eave the link in between the “
”.
2.11
FS 123.
This terminal switches 12v when the key is turned on and off. This can be linked to a
fan switch (panel supplied separately) which can provide power to the fans when the control
panel is switched on.
2.12
Fan PD Switch.
This terminal is used to receive an input signal from external air pressure
switches or external current monitors. This terminal is linked out as factory setting. Wiring to
the air pd switches & current monitors should be made using a two-core cable and volt free
connections.
2.13
12v DC.
This is a permanent 12v DC output when there is power at the panel.
2.14
Internal Buzzer.
Operates at 65dB measured 30cm from closed panel.
Note: all low voltage connections should be made using a screened cable to
avoid electrical interference should not be in the same conduit as per the low
voltage directive.
3
Operation Instructions
3.1
How to turn the system on and off
1. Turn the key switch to on position.
2. Gas, electric and water will flash for 10 seconds.
3. Press relevant service button to turn required utility on.
4. Turn the key switch to the off position to turn the panel off.
Please Note: All services can be turned on or off only within 10 secs of the key
switch being turned on. After 10 secs, all utility buttons will be disabled. The
user must turn the key off and back on to adjust any services.
3.2
Explanation of LED status
Power LED
When the system is connected to the mains supply, the Red LED of the S&S Logo
located in the bottom right corner of the panel will illuminate. When no power is
present, this LED will not light up.
RED = OK
OFF = No power to
