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Domestic water heaters – Lochinvar COPPER-FIN 497 - 2067 User Manual

Page 51

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Installation & Service Manual

51

7

Domestic water heaters

(continued)

RELIEF
VALVE

BUILDING
HOT
WATER
SUPPLY

COLD
WATER
SUPPLY

BUILDING
RETURN

MIXING
VALVE

DRAIN

MIN 4"
COMMON
MANIFOLD
SIZE

LOCK-TEMP
STORAGE
TANK

Figure 7-3_Multiple water heater piping with a single storage 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

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.

NOTICE