MHS Boilers Ultramax 115, Operating & Maintenance Manual, Page: 3 / 46

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5.3.5.2 Chimney
5.3.6 Condensate discharge
5.4 Hydraulic system
5.4.1 General
5.4.2 Water flow
5.4.2.1 Flow rate and resistance
5.4.2.2 Pump characteristics
5.4.2.3 Isolating valves
5.4.2.4 Valves
5.4.2.5 Water flow protection
5.4.3 Water pressure
5.4.3.1 Operating pressure
5.4.3.2 Boiler expansion tank
5.4.3.3 System expansion tank
5.4.3.4 Water pressure protection
5.4.4 Water temperature
5.4.5 Water quality
5.4.6 Examples of hydraulic systems
6 Operating instructions
6.1 Function
6.2 Regulation
6.3 Control module
6.4 Fault indications
6.5 Start-up
6.6 Shut-down
6 .7 Warnings
7 Commissioning
7.1 General
7 .2 Commissioning
8 Maintenance
8.1 Safety
8.2 General
8.3 Procedure
8.4 Cleaning the burner and heat exchangers
8.5 Cleaning the filter/screen in the gas combination block
8.6 Ionisation measurement
8.7 Service