Instruction manual

Page 11
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 storage tank
w/ electric heating element
pressure
relief
valve
air vent w/ shut
o valve
circulator w/
isolation anges
and check valve
heat
exchanger
Figure 3: Single tank system with external heat exchanger
A piping diagram for a typical solar domestic water heating system based on a storage tank
with electric heating backup and an external heat exchanger is shown in Figure 3.
SECTION IV: INSTALLATION (cont.)