Weil-McLain Electric Water Heater instruction manual Field wiring, Installation must comply with

PLUS Line Instruction Manual Supplement

PLUS & PLUS WATER HEATERS WITH GAS-FIRED WATER BOILERS

3 Field wiring

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 105 °C wire or equivalent.

Boiler must be electrically grounded as required by National Electrical Code ANSI/NFPA 70 – 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 7, item 1.

2.Provide and install a fused disconnect or service switch (15 amp. recommended) as required by the code. (See Figure 7, 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 7):

a.Combined system: terminals 5, 6, and 7 (installed as Figure 7, item 3).

b.Dedicated system: terminals 3, 4, and ground wire nut (installed as Figure 7, item 5).

Wiring PLUS circulator

1.For combined systems, connect water heater circulator to line voltage terminal strip terminals 3, 4 and ground wire nut. See Figure 7.

Figure 7 Line voltage field wiring connections (service switch provided by installer)

8 Part number IWHA016A/1103