beautypg.com

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

Page 38

background image

8

Part Number PLUS-E017-A/1206

PLUS LINE

Indirect-Fired Water Heaters – Series 3

1. This drawing is conceptual only. It shows representative piping components and layout.

Weil-McLain does not represent that this drawing meets 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 drawing. The installer is responsible

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

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

Notes

Figure 22

GOLD Plus 30/40/60/80

Plus 40/60/80

PLUS 100/110/119

• Zoning

with pumps

• Primary/secondary

piping

• Place

pumps at beginnings of

zones. Placing them at the ends

of zones could result in heating

idle zones.

• Size

primary circuit manifold for

total flow of all zone pumps, with

pressure drop of no more than 1

foot W.C.

Wiring options:
• Figure

42, page 60 — Pump

relays and 3-way priority valve

and priority relay

Boiler-side piping

(except

Gas)

continued

C