Instruction manual

Page 10
SECTION IV: INSTALLATION (cont.)
A piping diagram for a typical solar domestic water heating system based on an indirect
water heater with electric heating backup is shown in Figure 3.
cold water
hot water
solar collector array
anti-scald valve
expansion tank
ll/purge valves
air separator
circulator w/
isolation anges
solar
controller
electric
heating
element
solar indirect water heater w/
electric heating element
pressure
relief
valve
air vent w/ shut
o valve
Figure 3: Single tank system with electric backup
PIPING DIAGRAMS