Lochinvar 497 - 2067 service manual Water connections, Installation & Service Manual, Notice

Models: 497 - 2067

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1" TEMPERATURE AND PRESSURE GAUGE

Installation & Service Manual

4 Water connections

Figure 4-8_Primary/secondary piping with buffer tank

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

 

 

 

1" TEMPERATURE AND PRESSURE GAUGE

AUTOMATIC AIR

ELIMINATOR/VENT

SYSTEM

OUTLET

SYSTEM

SENSOR

LOCATION

SYSTEM

INLET

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

 

 

 

PUMP

COMMOM MANIFOLD

MUST BE SIZED TO

ACCOMMODATE COMBINED

FLOW RATE FOR

ALL BOILERS

BUFFER

 

 

 

DRAIN

 

 

TANK

 

 

 

 

NOTICE

*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.

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Page 34
Image 34
Lochinvar 497 - 2067 service manual Water connections, Installation & Service Manual, Notice