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Jaguar Model J-390
29
C
HILLER
W
ATER
VALVE
VALVE
UNIT
STRAINER
INLET (RETURN)
BOILER WATER
CIRCULATOR
BOILER LO O P
VALVE
I
SOLATION
1
2" APART
D
ONOTEXCEED
DRAIN
VALVE
P
URGE/
VALVE
SHUTOFF
VALVE
RELIE F
T+P
VALVE
ISOL ATIO N
DRAIN VALVE
DOMESTIC
HOT WATER
TANK
OUTLET
HOT WATER
DRAIN VALVE
INLET
WATER
COLD
CIRCULATOR
DHW
OUTLET (SUPPLY)
BOILER WATER
THE BOILER)
FLOW CHECK
VALVE
(SUPPLIE D WITH
VALVE
ISOL ATIO N
2
-
D
E
T
A
I
L
M
A
I
N
Figure20.Zoningwithcirculators.
8.592
VAL VE
RELIEF
VAL VE
ISOLATION
VALVE
FLOW CHECK
EXPANSION TANK
(DIAPHRAM TYPE)
P
VALVE
Z
ONES
A
DDITIONAL
ZONE
SPACE HEAT
ZONE #1
AIR SEPARATOR
VALVE
REDUCING
PRESSURE
(IF R EQUIRED)
PREVENTOR
BACK FLOW
D
IFFERE N TIAL
VALVE (IF US ED)
PRESSUR E B YPAS S
SUPPLY
WATER
MAKE U P
VALVE
SHUTOFF
ISOL ATIO N
FLOW CHECK
SYSTEM
CIRCULATOR
AIR VENT
B
ALANCING
VALVE
Figure 21. Piping a heating-cooling system to the boiler and a chiller.