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Figure
27
- Bypass
Piping
(4-Way
Valve
Option
With
Circulator
On Supply
Side)
TO SYST_
WATER INLET
EXPANSION
TANK
y
BOILER
FROM SYSTEM
t,', , ,?
_" ALTERNATE
I
CIRCULATOR
__
LOCATION
Figure
28
- Recommended
Piping
for
Combination
Heating
and Cooling
(Refrigeration)
System
__A
t-__
WATER
BOILER
SHUTOFF
v .v s
-'_i_
', ', _._ i
--m
1
m
"_1_ d
AIR CUSHION
TANK
SUPPLY MAIN TO
COMBINED
HEATING
CIRCULATOR
& COOLING
SYSTEM
CHILLER --""_-1
SHUTOFF
VALVES
m
m
RETURN MAIN
FROM
COMBINED
HEATING
& COOLING
SYSTEM
I
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