75
IX. System Piping
(continued)
Figure 9.7b: Piping Method #1 - Near Boiler Piping - Heating Plus Supply Piped Indirect W
ater Heater
HX Inlet Bottom Connection; HX Outlet Bottom Connection
C
B
B
A
Flow Check
Optional Full Port Isolation
Valves
Heating
Circulators
Optional Full Port Isolation
Valves
To
System
Expansion Tank
Air Separator
& Air Vent
Close Nipple
(Locate Header Sensor
As Close As Possible To Downstream Tee)
Hydraulic Separator May Be Substituted
For Tees
Header Temperature
Sensor
(When Used)
Fill
Valve
Backflow Preventer
Cold Water Line
Y-Strainer
(Recommended)
From System
Full Port Isolation
Valves
Indirect Circulator
Relief Valve
Drain Valve
Secondary Unions Not Required; Optional Locations Shown
Full Port Isolation Valves
Flow Check
Indirect Supply
Indirect Return
Indirect Domestic
Water Heater
(IWH)
At least eight pipe diameters upstream of first tee.
A.
No further apart than 12" (~30 cm) or four pipe diameters, whic
hever is smaller.
B.
At least 18" (~46 cm) of straight pipe for
Conventional
Air Scoop.
C.
Boiler Circulator
To
System
Heating System Circulator
System
Zone
Valves
Optional Zone Valve Controlled System
1
CAUTION
:
It is the installers responsibility
to
select
boiler
piping
configurations
that
provide
the proper flow rates and performance for the
boiler and indirect water heater
.
Содержание Raptor RPTR155
Страница 1: ...1 ...
Страница 13: ...13 Figure 5 1 Wall Layout Mounting Hole Location V Mounting The Boiler continued ...
Страница 14: ...14 Figure 5 2 Boiler Mounting Bracket Installation Boiler Wall Mounting V Mounting The Boiler continued ...
Страница 87: ...87 Figure 10 5 Internal Wiring Ladder Diagram X Wiring continued ...
Страница 88: ...88 X Wiring continued ...
Страница 97: ...97 Operating Instructions XI Start Up and Checkout continued ...
Страница 142: ...142 XV Repair Parts continued 3A 3B 3C 3D 3F 3E 3G 3H 3O 3P 3Q 3R 3J 3K 3I 3M 3N 3L All Models ...
Страница 148: ...148 XV Repair Parts continued 6D 6B 6A 6E 6I 6G 6L 6N 6H 6C 6K 6M 6C 6C 6J 6J 6F All Models ...
Страница 172: ...172 ...