Install Instructions

AQUA PLUS indirect-fired water heaters — Product Manual

Wiring — zoning with zone valves

Notes

• Also refer to the WMZV

manual and Weil-McLain

Boiler Zone Wiring Guide

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 representa-

tive components and wir-

ing. Weil-McLain does not

represent that this drawing

meets any particular me-

chanical or building codes.

The installer is respon-

sible for inclusion of all

required 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.

Figure 19 Typical wiring — zoning with zone valves — DHW priority with Weil-McLain WMZV Zone Valve Zone Controller

GV90+ or Ultra gas boilers:

DO NOT apply the drawings in this manual. Refer only to the boiler manual.

Part number GL-E223-ADOC 0311