Operating instructions

13
ZONE HEATING WITH INDIRECT DOMESTIC
HOT WATER SUPPLY
Fig.# 8998.1
ZONE
VALVES
HEATING UNITS
FEED
VALVE
COLD
WATER
INLET
CIRCULATOR
PIPE PRESSURE
RELIEF VALVE
TO DRAIN
DIAPHRAGM
EXPANSION
TANK
AIR
SCOOP
AIR
VENT
HOT WATER
SUPPLY
COLD
WATER
SUPPLY