Manual • Installation • Start-Up • Usage • Maintenance • Parts

D Boiler-side wiring & controls (except Gas)continued

Figure 41

Typical wiring:

Zoning with 3-wire zone valves

With domestic priority using 2-way priority valve

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)

High voltage H 120 N

 

Transformer

V.A.C.

 

 

 

 

 

(Power)

 

 

 

 

24

 

 

 

V.A.C.

 

 

Room

 

Zone valve

 

thermostat

 

 

Zone 1

 

 

 

 

Room

 

 

 

Thermostat

 

 

Zone 2

 

 

 

 

 

Zone

 

 

 

valve

 

Additional

Additional zones may

be added as shown above

zones

 

 

 

 

 

 

Priority valve

C

NC 2

NO 1

Water heater thermostat Snap Set

Water heater

* Use Isolation Relay onzone 3-wire zone valves with

non-isolated end switches. Transformer and boiler control can burn out if Isolation Relay is not used.

Low voltage boiler field wiring

 

Low voltage (24 vac) field wiring

 

High voltage (120 vac) field wiring H

N

 

 

 

 

 

Contact not

Priority relay

 

used

Water heater zone valve

Isolation relay

Boiler thermostat

terminals 500075-30b

Notes

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.

 

3.

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

Part Number PLUS-E017-A/1206

59

Page 59
Image 59
Weil-McLain PLUS-E017-A/1206 manual Room Thermostat

PLUS-E017-A/1206 specifications

The Weil-McLain PLUS-E017-A/1206 is a high-performance heating boiler that reflects the brand's commitment to quality engineering and advanced technology. This model is renowned for its efficiency and reliability, making it a preferred choice for both residential and commercial heating applications.

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This boiler is equipped with advanced controls and a user-friendly interface, offering precise temperature management and efficient operation. The control panel showcases a digital display, enabling easy monitoring of system performance. Additionally, it allows for integration with smart home systems, providing users with enhanced control over their heating systems remotely.

Safety features are paramount in the PLUS-E017-A/1206. It includes multiple safety mechanisms designed to prevent overheating and pressure issues, ensuring worry-free operation. These elements, combined with Weil-McLain’s reputation for durable construction, contribute to the boiler’s overall reliability.

The PLUS-E017-A/1206 is designed with ease of maintenance in mind. It features accessible components that can be easily serviced, minimizing downtime and reducing maintenance costs. With Weil-McLain’s extensive network of support, users can rely on expert assistance when needed.

Overall, the Weil-McLain PLUS-E017-A/1206 is a robust heating solution that combines efficiency, safety, and advanced technology. Its range of features makes it an excellent choice for those seeking a dependable boiler that delivers consistent performance and energy savings. Whether for a home or business, the PLUS-E017-A/1206 represents a smart investment in heating technology.