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Jaguar Model J-390
28
ISOLATIO N
VALVE
B
OILER LOOP
P
URG E/
VALVE
DRAIN
THE BOILER)
CIRCULATOR
(
SUPPLIED WITH
ISOLATION
VALVE
FLOW CHECK
VALVE
Figure20.Zoningwithcirculators.
2
-
D
E
T
A
I
L
M
A
I
N
8.592
I
S
O
L
A
T
I
O
N
V
A
L
V
E
D
O
N
O
T
E
X
C
E
E
D
1
2
"
A
P
A
R
T
SPACE HEAT
ZONE #1
A
DDITIONAL
ZONES
A
I
R
V
E
N
T
B
O
I
L
E
R
W
A
T
E
R
I
N
L
E
T
(
R
E
T
U
R
N
)
V
A
L
V
E
F
L
O
W
C
H
E
C
K
R
E
L
I
E
F
V
A
L
V
E
B
O
I
L
E
R
W
A
T
E
R
O
U
T
L
E
T
(
S
U
P
P
L
Y
)
D
H
W
C
I
R
C
U
L
A
T
O
R
Z
O
N
E
V
A
L
V
E
(
D
I
A
P
H
R
A
M
T
Y
P
E
)
E
X
P
A
N
S
I
O
N
T
A
N
K
T
+
P
V
A
L
V
E
R
E
L
I
E
F
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
)
P
R
E
S
S
U
R
E
R
E
D
U
C
I
N
G
V
A
L
V
E
S
H
U
T
O
F
F
V
A
L
V
E
HOT WATER
OUTLET
A
I
R
S
E
P
A
R
A
T
O
R
MAKE UP
W
ATER
SUPPLY
I
S
O
L
A
T
I
O
N
V
A
L
V
E
D
R
A
I
N
V
A
L
V
E
D
R
A
I
N
V
A
L
V
E
COLD
WATER
INLET
TANK
HOT WATER
DOMESTIC
S
H
U
T
O
F
F
V
A
L
V
E
PRESSURE BYPASS
VALVE (IF USED)
P
DIFFERENTIAL
SYSTEM
C
IRCULATOR
Figure 20. Zoning with zone v
alves.