Table Of Contents - S&S Northern Merlin CT1250 Product Data Sheet

Merlin CT1250
Gas Interlock System

Table of contents

1 General Information .......................................................................... 3
2 Installation & Connection ................................................................. 3
2.1 Panel Mounting ........................................................................................... 3
Circuit Board Diagram ............................................................................... 3
2.2
2.3 Mains Supply (1) [LNE POWER IN]............................................................. 4
2.4 Gas Solenoid Valve (2) [LNE TO VALVE] ................................................. 4
Building Management Systems (3) [TO BMS] .......................................... 4
2.5
2.6 Remote Emergency Shut Off Buttons (4) [EM REM] ................................ 4
2.7 Air Pressure Differential Switches (5) [FAN PD SWITCHES] ....................... 4
Service Mode (6) ........................................................................................ 4
2.8
2.9 Current Monitor (7) [SUPP FAN LIVE] & [EXTR FAN LIVE] .......................... 4
2.9.1 Potentiometers (8) [SENS1] & [SENS2] ....................................................... 4
Internal Buzzer ............................................................................................. 4
2.10
3 Operation ........................................................................................... 5
3.1 How to turn the system on and off ........................................................... 5
3.2 Panel LED Status .......................................................................................... 5
POWER ......................................................................................................... 5
3.2.1
3.2.2 GAS ON ........................................................................................................ 5
3.2.3 EM STOP ....................................................................................................... 5
SUPPLY FAN .................................................................................................. 5
3.2.4
3.2.5 EXTRACT FAN ............................................................................................... 5
3.2.6 FAN FAULT .................................................................................................... 5
SERVICE ........................................................................................................ 6
3.2.7
3.3 Using the Emergency Shut Off Button ...................................................... 6
3.4 BMS Integration ........................................................................................... 6
Fire Alarm Integration ................................................................................. 6
3.5
4
Troubleshooting Flow Chart ............................................................. 7
5
Wiring Diagram .................................................................................. 8
Rev: 06 Date: 07-08-18
Product Data Sheet
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