Operating Instructions and Installation Instructions

ULTRAMAX PB 65 - 120
23 L290 ©MHS Boilers 13/12/2010
6.0 Filling system
Connect water hose to KFE valve (2).
Open all radiator valves.
Fill cold system up to 1 bar.
Monitor water quality.
Ventilate pump (loosen impeller with screwdriver if necessary).
Fill condensate siphon with water (approx. 0.5L).
Start-up pump several times.
Upon completion venting, fill system to final operating pressure.
Close venting screw and remove filling hose.
6.1 Installation of internal hydraulic accessories
Note
When utilising a plate heat exchanger an optional primary water pressure switch is available.
Plate Heat Exchanger
Connection for
expansion vessel
Safety Valve
Expansion Vessel
Plate Heat Exchanger