Field wiring — gas boilers only, Plus line, Indirect-fired water heaters – series 3 – Weil-McLain PLUS LINE PLUS-E017-A/1206 User Manual
Page 30: Installation must comply with, Line voltage connections, Wiring boiler circulator, Wiring water heater circulator
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Part Number PLUS-E017-A/1206
PLUS LINE
Indirect-Fired Water Heaters – Series 3
ELECTRICAL SHOCK HAZARD
— For your safety, turn off electrical
power supply at service entrance panel
before making any electrical connections
to avoid possible electric shock hazard.
Failure to do so can cause severe personal
injury or death.
Wiring must be N.E.C. Class 1.
If original wiring as supplied with boiler
must be replaced, use only type 10 °C
wire or equivalent.
Boiler must be electrically grounded as
required by National Electrical Code
ANSI/NFPA 0 – latest edition.
Installation must comply with:
1. National Electrical Code and any other national,
state, provincial or local codes or regulations.
2. In Canada, CSA C22.1 Canadian Electrical Code
Part 1, and any local codes.
Line voltage connections
1. Connect 120 VAC power wiring to line voltage
terminal strip in left compartment of electrical
entrance, as shown in Figure 1, item 1.
2. Provide and install a fused disconnect or service
switch (1 amp. recommended) as required by the
code. (See Figure 1, item 2)
Wiring boiler circulator
1. The Taco 0011 circulator supplied with the boiler is
wired one of two locations, depending on whether
system is combined space heating/water heating or
dedicated water-heating only. Boiler circulator is
shipped loose. Wire Boiler circulator to terminals
(refer to Figure 1):
a. Combined system: terminals , , and (installed as
Figure 1, item ).
b. Dedicated system: terminals , , and ground wire nut
(installed as Figure 1, item ).
Wiring water heater circulator
1. For combined systems, connect water heater circu-
lator to line voltage terminal strip terminals and
and ground wire nut. See Figure 1.
Figure 17
Line voltage field wiring connections (service switch provided by installer)
Field wiring —
Gas boilers only
B3
Gas