User guide

7
FIGURE THREE: BASIC PLUMBING LAYOUT
AUTOMATIC AIR VENT
EXPANSION / SAFETY
RELIEF SYSTEM
SERVICE VALVE
PUMP
ISOLATING VALVE
150mm MINIMUM
2 METRES MINIMUM
AMPTEC BOILER
AUTOMATIC
PRESSURE
BYPASS VALVE
FLOW
RETURN
DRAIN VALVE
ALTERNATIVE BY-PASS ARRANGEMENT
USING THE BATHROOM RADIATOR FITTED
WITH TWO LOCKSHIELD VALVES
OPEN VENTED SYSTEMS MUST
HAVE A MINIMUM HEAD OF
1.5 METRES AND MAXIMUM
HEAD OF 30 METRES