Slant/Fin Jaguar J-390 Installation And Operating Instructions Manual page 28

28
I S O L A T I O N
V A L V E
ISOLATION
PURGE/
VALVE
DRAIN
VALVE
BOILER LOOP
CIRCULATOR
(SUPPLIED WITH
THE BOILER)
F L O W C H E C K
V A L V E
B O I L E R W A T E R
I N L E T ( R E T U R N )
Figure 20. Zoning with zone valves.
ADDITIONAL
ZONES
SPACE HEAT
ZONE #1
D O N O T E X C E E D
1 2 " A P A R T
ISOLATION
VALVE
8 . 5 9 2
Figure 20. Zoning wit h c i rc ulators.
D H W
C I R C U L A T O R
B O I L E R W A T E R
O U T L E T ( S U P P L Y )
A I R V E N T
A I R S E P A R A T O R
E X P A N S I O N T A N K
( D I A P H R A M T Y P E )
FLOW CHECK
VALVE
I S O L A T I O N
V A L V E
R E L I E F
V A L V E
DOMESTIC
HOT WATER
TANK
D R A I N V A L V E
Jaguar Model J-390
P
DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED)
Z O N E
V A L V E
SYSTEM
CIRCULATOR
S H U T O F F
P R E S S U R E
V A L V E
R E D U C I N G
V A L V E
B A C K F L O W
P R E V E N T O R
( I F R E Q U I R E D )
T + P
R E L I E F
V A L V E
HOT WATER
OUTLET
S H U T O F F
V A L V E
D R A I N V A L V E
MAKE UP
WATER
SUPPLY
COLD
INLET
WATER