ZONE

ZONE

VALVES

HEATINGUNITS

AIR

SCOOP

DIAPHRAGM

EXPANSION

FEED TANK

VALVE

PIPEPRESSURE

RELIEF VALVE

TO DRAIN

COLD

WATER

INLET

CIRCULATOR

COLD

WATER

SUPPLY

AIR

VENT

HOTWATER

SUPPLY

Fig.# 8998.1

ZONE HEATING WITH INDIRECT DOMESTIC

HOT WATER SUPPLY

13

Page 13
Image 13
Raypak 0180B Zone Heating With Indirect Domestic, Hot Water Supply, Zone Valves Heatingunits, Air Vent Hotwater Supply