ELECTRICAL

6. ELECTRICAL

Install all electrical wiring in accordance with the National Electrical Code and local requirements.

NOTICE

This unit when installed must be electrically grounded in accordance with the requirements of the authority having jurisdiction or, in the absence of such requirements, with the current edition of the National Electrical Code, ANSI/NFPA 70 and/or the Canadian Electrical Code, Part 1, CSA C22.1, Electrical Code.

A. WIRING

C. CONTROLS

1.See Figure 6.1 for location of wiring and controls. Use Figure 6.2 to connect the boiler to a power supply and to connect components to the boiler.

2.Connect the boiler by a separate, permanently live electrical supply line with a fused switch.

3.Adjust the thermostat heat anticipator to 0.2 Amp.

B.ZONED SYSTEM WIRING

See Figure 6.4 for typical wiring with zone valves. See Figure 6.5 for typical wiring with zone circulators. When wiring a zoned heating system, follow all applicable codes, ordinances and regulations.

1.For proper location of controls and accessories refer to Figure 6.1 and Section 11.

2.See the attached control sheets for specific details regarding the installation of the various controls.

3.This boiler is supplied with safety devices in addition to the limit. For a description of these devices and how they work to ensure the safe operation of the boiler, see Section 7B.

4.If the circulator is mounted in the supply piping, provide longer wiring harness as required.

NOTICE

Do not power zone valves directly from the boiler transformer/relay. Doing so will greatly reduce the life of the transformer. Use a separate transformer sized to handle the total of all zone valve electrical loads.

Figure 6.1: Wiring, Controls and Safety Devices

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PB Heat DE manual Electrical, Wiring Controls, Zoned System Wiring
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DE specifications

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