14
Legend
A- Back flow preventor
B- Fill valve (set at 12 psi)
C- Diaphragm expansion tank
D- Cast Iron Air scoop, for excessive air
use
Spirovent (see page 12).
E- Automatic air vent
F- Relief valve (set at 30 psi)
G- Pressure gauge
H- Heating pump (see size
recommendations in Sec.6.1) Wired
to terminals C
1
- L
2
I-
Optional Indirect pump
(see
recommendations in Sec.6.1)
Wired
to terminals A
p
- L
2
J-
Optional Indirect Water heater
K- Swing check valve.
L- Ball Valve
M- Boiler Drain
N- Boiler inlet connection (warm)
O- Boiler outlet connection (hot)
P- External Combi Manifold #82470-1
Primary Loop
For Combi Model Only
Ti200
N
O
F
Ti200 relief
valve location.
All other
piping is
same as Ti150
Primary Loop For Heating Model
Quantity and location of shutoff valves, and
drains, are at the discretion of the installer.
H
M
All piping
must be
secured to
wall for
support
Pr
im
ar
y
B
o
ile
r lo
o
p
N
F
L
E
C
B
Water
Supply
D
G
A
E
O
L
P
1” to 1-1/4” Pipe
Recommended
Quantity and location of shutoff valves, and
drains, are at the discretion of the installed.
P
rima
ry B
o
ile
r lo
o
p
Optional Indirect
N
F
L
E
H
K
C
B
I
Water
Supply
D
G
A
E
M
O
L
K
J
1” to 1-1/4” Pipe
Recommended
Ti150
All piping must
be secured to
wall for support
Insert secondary Loop here.
See page15-16
Insert secondary
Loop here.
See page15-16
