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Boiler-side wiring & controls, Plus line, Indirect-fired water heaters – series 3 – Weil-McLain PLUS LINE PLUS-E017-A/1206 User Manual

Page 58

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Part Number PLUS-E017-A/1206

PLUS LINE

Indirect-Fired Water Heaters – Series 3

1. These drawings are conceptual only. They show representative piping components and

layout. Weil-McLain does not represent that the drawings meet any particular mechanical

or building codes. The installer is responsible for inclusion of all required safety devices, or

other miscellaneous piping hardware not shown on drawings. The installer is responsible

for proper sizing/selection of all hardware shown on this diagram.

2. Follow component manufacturer’s instructions for installation of all items shown.

. See Weil-McLain installation instructions for specific details on installing the boiler.

Notes

Figure 40

Typical wiring:
• Zoning

with 4-wire zone

valves

• With

domestic priority using

2-way priority valve

• PLUS

100/110/119 only

• Also

refer to

Weil-McLain

Boiler Zone Wiring Guide for

further details.

• Refer

to Wiring requirements on

page 47.

System piping

Apply this

wiring to systems

in:

• Figure

23, page 39, (using 2-

way water heater zone valve and

2-way priority valve)

Boiler-side wiring & controls

(except

Gas)

continued

D