Lochinvar 402 - 2072 Water connections continued, Installation & Operation Manual, Notice

Models: 402 - 2072

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COMMON MANIFOLD SIZE (Min.)

Installation & Operation Manual

4 Water connections (continued)

Figure 4-3_Primary/Secondary Piping of a Single Boiler w/DHW

COMMON MANIFOLD SIZE (Min.)

Models: 402, 502, 652, & 752

Number of Units

GPM

Diameter

(in.)

 

 

1

55

2

TO

FLOOR

DRAIN

COMMON MANIFOLD SIZE (Min.) Models: 992, 1262, 1442, 1802 & 2072

Number of Units

GPM

Diameter

(in.)

 

 

1

90

2 1/2

 

 

 

TO EXPANSION

TANK AND MAKEUP

WATER SYSTEM

HEATING

RETURN

LOOP

12"

MAX

NOTICE

HOT WATER

 

HEATING

 

 

SUPPLY

GENERATOR

 

LOOP

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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Lochinvar 402 - 2072 operation manual Water connections continued, Installation & Operation Manual, Notice