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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