Weil-McLain PLUS LINE PLUS-E017-A/1206 Benutzerhandbuch

Part Number PLUS-E017-A/1206

9

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

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.

✱

Room
thermostat

Transformer

(Power)

Zone valve

Room

Thermostat

Water heater

zone valve

Additional zones may
be added as shown above

Boiler

thermostat

terminals

Isolation

relay

Water heater

zone

24

V.A.C.

Zone 2

Zone

valve

Zone 1

Additional

zones

120

V.A.C.

High voltage

H

N

Use Isolation Relay on

3-wire zone valves with
non-isolated end switches.
Transformer and boiler
control can burn out if
Isolation Relay is not used.

Water heater
thermostat
Snap Set

1

2

C

Low voltage (24 vac)  field wiring

Low voltage boiler field wiring

NO

NC

High voltage (120 vac) field wiring H

N

500075-30b

Priority valve

Priority relay

Contact not
used

D