Installation & Operation Manual
44
6
Hydronic piping
INDIRECT
DHW TANK
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
ANTI-SCALD
MIXING VALVE
TEMPERATURE /
PRESSURE
GAUGE
AIR SEPARATOR
EXPANSION
TANK
BALL VALVE
(TYPICAL)
DRAIN POINT
(TYPICAL)
MAKE UP WATER
ZONE VALVES
(TYPICAL)
BOILER
CIRCULATOR
BOILER 2
(MEMBER 1)
DOMESTIC
HOT WATER
CIRCULATOR
UNION
(TYPICAL)
PRESSURE
RELIEF VALVE
HOT
WATER
OUT
COLD
WATER
IN
BOILER 1
(LEADER)
DIFFERENTIAL
PRESSURE BYPASS
VALVE (IF USED)
SYSTEM SUPPLY
SENSOR
SYSTEM
CIRCULATOR
DRAIN
Y-STRAINER
(RECOMMENDED)
(TYPICAL)
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
MAY SUBSTITUTE LOW LOSS HEADER
ZONE #1
ZONE #2 ZONE #3 ZONE #4
FLOW CHECK
VALVE
Figure 6-9
Multiple Boilers Zoned with Valves
Model
Number of Units
2
3
4
5
6
7
8
Required Pipe Sizes
51
1"
1-1/4" 1-1/2"
2"
2"
2"
2"
81
1-1/4" 1-1/2"
2"
2"
2-1/2" 2-1/2" 2-1/2"
106
1-1/2"
2"
2"
2-1/2" 2-1/2" 2-1/2"
3"
151
2"
2"
2-1/2" 2-1/2"
3"
3-1/2" 3-1/2"
211
2"
2-1/2"
3"
3-1/2" 3-1/2"
4"
4"
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
Содержание KNIGHT 51
Страница 58: ...10 Start up Figure 10 2 Operating Instructions 58 Installation Operation Manual...
Страница 77: ...Installation Operation Manual Notes 77...
Страница 78: ...Installation Operation Manual Notes 78...
Страница 79: ...Installation Operation Manual Notes 79...
