Lochinvar 497 - 2067 사용자 설명서
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4
Water connections
Installation & Service Manual
Figure 4-6_Primary/secondary piping of multiple boilers
SECONDARY
BOILER
PUMP
BOILER
PUMP
FROM
SYSTEM
SYSTEM
12" OR 4X
PIPE DIAMETERS
AIR
SEPARATOR
MAKE-UP
WATER
WATER
PRESSURE
RELIEF
VALVE
RELIEF
VALVE
EXPANSION
TANK
TANK
LOW WATER
CUT-OFF
(OPTIONAL)
CUT-OFF
(OPTIONAL)
TO SYSTEM
SYSTEM
PUMP
PUMP
COMMON MANIFOLD SIZE (Min.)
Models: 497 - 747
Number of Units
GPM
Diameter
(in.)
2
120
3 1/2
3
180
4
4
240
5
5
300
5
6
360
6
7
420
6
8
480
6
COMMON MANIFOLD SIZE (Min.)
Models: 987 - 2067
Number of Units
GPM
Diameter
(in.)
2
180
4
3
270
5
4
360
6
5
450
6
6
540
6
7
630
8
8
720
8
*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.
for all equipment and detailing required by local codes.
NOTICE