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Piping MULTIPLE ZONES:
1. Follow instructions on page 14 and 15 to install piping near boiler.
2. See FIGURE 10 or 11 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.
Connect Water Piping
CONTINUED
Legend:
1 Isolation valve
2 Flow control valve
3 Circulator
4 Zone valve
5 Drain valve
Multiple Zoning With ZONE VALVES
FIGURE 11
Multiple Zoning With CIRCULATORS
FIGURE 10
ZONE 2
ZONE 1
ZONE 2
ZONE 1
1
2
5 5
1
2
1
3
1
1
4
55
1
1
1
16