Burnham 40A - Manual (Page 11)

11
3. For a space heating system
that utilizes ZONE
VALVES WITHOUT A
BOILER BYPASS, refer to
Figure 5. The Alliance™
connection labeled
"BOILER SUPPLY" should
be piped to the boiler
supply piping after the air
purger and before the space
heating circulator. Mount
the water heater circulator
as close as possible to the
water heater making sure
the flow arrow points
toward the water heater.
The use of a shut-off valve
is recommended for future
service convenience.
Figure 5: Water Boiler Piping with Zone Valves and without a Boiler
Bypass
Figure 6: Water Boiler Piping with Zone Circulators and without a
Boiler Bypass
4. For a space heating system
that utilizes ZONE
CIRCULATORS
WITHOUT A BOILER
BYPASS, refer to Figure
6. The Alliance™
connection labeled
"BOILER SUPPLY"
should be piped to the
boiler supply piping after
the air purger and before
the space heating takeoffs.
Mount the water heater
circulator as close as
possible to the water heater
making sure the flow
arrow points toward the
water heater. The use of a
shut-off valve is
recommended for future
service convenience.