Electrical Wiring, Millivolt System, Electronic

ELECTRICAL WIRING

NOTE: If it is necessary to replace any of the original wiring, it must be replaced with 105° C wire or its equivalent, and/or 150° C wire or its equivalent as originally built.

MILLIVOLT SYSTEM

The Millivolt System residential heater is equipped with a self-generating electrical system in which the electric current is provided by means of a pilot generator. No external electrical connections are required.

When installing a remote switch, do not exceed 10 feet of wiring from the heater. Use 18 gage stranded wire.

ELECTRONIC

INTERMITTENT IGNITION DEVICE SYSTEM (IID)

NOTE:

Heaters are factory wired for 240V power supply.

The standard field wiring connection is on the right side of the heater.

To wire the heater from the left side, follow the steps below:

1.Remove the two (2) screws that hold down the junction box to the sway brace. Untie excess yellow wires located behind the junction box.

2.Move the junction box to the left side of unit and attach the box to the sway brace.

3.Secure 24V yellow wires to sway brace panel with existing wire retainers.

4.Connect the wires inside the junction box, either 120V or 240V depending on the field wiring.

NOTE: 7/8" Dia. holes not utilized on jacket and control box can be used for fireman switch or auxiliary control interface wiring.

NOTE: Heater must be electrically grounded and bonded. Bonding lug is provided loose with the unit. Install bonding lug on lower right or left side of jacket as necessary for bonding the unit. Mounting hole is provided on the jacket.

The Electronic Intermittent Ignition Device automatically lights the pilot and main burners upon a call for the heat. The heater is supplied with a dual voltage transformer for 120V or 240V input power hookup.

Option Location For Left	Control Box
Side Field Wiring	(Factory Mounted Location)

Sway

Brace

Bonding Lug	Fig. # 9470	Bonding Lug
(Optional Location)		(Standard Location)

ATMOSPHERIC

Wiring locations

Fig.# 9366.1

LOW NOx

Wiring locations

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