Connect Water Piping CONTINUED

Piping MULTIPLE ZONES:

1.Follow instructions on page 12 and 13 to install piping near boiler.

2.See FIGURE 9 or 10 to complete installation

3.Zoning with circulators:

a.Size each circulator to individual circuit requirements.

b.Remove circulator (when furnished as standard equipment).

c.Install balancing valves to adjust flow to distribute heat to all zones.

d.Separate relay is required for each circulator.

4.Zoning with zone valves:

a.Install balancing valves to adjust flow to distribute heat to all zones.

b.Separate transformer is required to power zone valves. Refer to “Weil-McLain Zone Valve Wiring Guide” for details.

Legend:

1Isolation valve

2Flow control valve

3Circulator

4Zone valve

5Drain valve

 

 

 

ZONE 2

 

 

 

 

ZONE 2

 

 

 

ZONE 1

 

 

 

 

ZONE 1

 

 

 

 

 

 

1

1

 

 

 

 

 

 

 

1

 

 

 

 

 

1

 

 

 

 

 

 

4

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

2

 

1

1

3

5

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1

5

 

 

 

 

 

 

 

 

 

5

 

 

 

 

Multiple Zoning With CIRCULATORS

Multiple Zoning With ZONE VALVES

FIGURE 9

FIGURE 10

14

Page 14
Image 14
Weil-McLain 550-141-827/1201 manual Piping Multiple Zones, Zoning with circulators, Zoning with zone valves

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