Williamson-Thermoflo GL - Wiring - Zoning with Zone Valves; Zone Valve Controller Wiring

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Model GL indirect-fired water heaters — Product Manual

Wiring — zoning with zone valves

Notes

• Also refer to the zone con-

troller manual for further

details.

• Refer to Wiring require-

ments on page 20.

System piping

• Figure 9, page 13

• Figure 10, page 14

Install all zone valves per valve

manufacturer’s instructions.

1. This drawing is conceptual

only. It shows represen-

tative components and

wiring. Williamson-Ther-

moﬂo does not represent

that this drawing meets

any particular mechani-

cal or building codes. The

installer is responsible

for inclusion of all re-

quired safety devices, or

other miscellaneous pip-

ing hardware not shown

on drawing. The installer

is responsible for proper

sizing / selection of all

hardware shown on this

diagram.

2. Follow component manu-

facturer’s instructions for

installation of all items

shown.

3. See boiler manual for spe-

ciﬁc details on installing

the boiler.

 Typical wiring — zoning with zone valves — DHW priority with zone valve zone controller

:

 apply the drawings in this manual. Refer only to the boiler manual.

Part number GL-E224-ADOC 0413