MHS Boilers Ultramax WM 100, Operating & Maintenance Manual, Page: 3 / 50

MHS Boilers Ltd ©
191007
3
5.4.1 Water flow 30
5.4.1.1 Flow and resistance 30
5.4.1.2 Pump characteristics 32
5.4.1.3 Shut-off valves 32
5.4.1.4 Valves 32
5.4.1.5 Water flow protection device 32
5.4.2 Water pressure 33
5.4.2.1 Operating pressure 33
5.4.2.2 Boiler expansion vessel 33
5.4.2.3 System expansion vessel 33
5.4.2.4 Water pressure protection device 33
5.4.3 Water temperature 33
5.4.4 Water quality 33
6
Operating instructions 35
6.1 Operation 35
6.2 Controls 35
6.3 Boiler module KM628 35
6.4 Fault signals 37
6.5 Setting into operation 39
6.6 Switching-off the appliance 39
6.7 Warnings 39
7
Commissioning 40
7.1 General 40
7.2 Commissioning 40
7.3 Fuel Conversion NG-LPG LGP -NG
42
8
Maintenance 42
8.1 Safety 42
8.2 General 42
8.3 Procedure 43
8.4 Cleaning the burner and the heat exchanger 43
8.5 Cleaning the strainer of the gas combination block 43
8.6 Ionisation measurement 43
8.7 Service 43
9
Additional Information 44
9.0 Flue Terminal Positions 44
9.1 Wiring Diagrams 45
Notes 49