beautypg.com

Water connections – Lochinvar COPPER-FIN 497 - 2067 User Manual

Page 31

background image

TO
FLOOR
DRAIN

HEATING
SUPPLY
LOOP

TO EXPANSION
TANK AND MAKEUP
WATER SYSTEM

HEATING
RETURN
LOOP

12"
MAX

31

4

Water connections

(continued)

Figure 4-5_Primary/secondary piping of single boiler

Installation & Service Manual

COMMON MANIFOLD SIZE (Min.)

Models: 497 - 747

Number of Units

GPM

Diameter

(in.)

1

60

2 1/2

COMMON MANIFOLD SIZE (Min.)

Models: 987 - 2067

Number of Units

GPM

Diameter

(in.)

1

90

2 1/2

*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