Norcold 442, 483, 463, 453, 482, 443, 462, 452 specifications Operating and User Instructions

OPERATING AND USER INSTRUCTIONS

THIS APPLIANCE HAS BEEN DESIGNED FOR STORAGE OF FOODS, STORAGE OF FROZEN FOODS, AND MAKING ICE WHEN INSTALLED AS DIRECTED BY THIS MANUAL.

Location of Controls

Figure 18 illustrates the location of the 400 Series refrigerator’s operating controls. All operating controls are conveniently located below the door.

Figure 20

Ignition Switch
Flame		AC/DC Selector Switch
Indicator Lamp
		3-Way Models Only
Thermostat
	Gas On/Electric
	and Safety Valve

Operating Controls Function

Ignition Switch

The ignition switch is used for the Gas operation only. When the ignition switch is turned "ON", the switch will illuminate indicating that 12 volt DC is available and being supplied to the electronic ignition which generates ignition spark to the burner.

Flame Indicator Lamp

When a flame is established at the burner, the Flame Indicator Lamp will illuminate indicating the re- frigerator is operating on gas.

Thermostat

The thermostat controls all modes of operations, thereby eliminating the necessity of resetting each time a different power source is selected. Rotate the knob clockwise to make the refrigerator cabinet colder.

Gas ON/Electric and Safety Valve

Gas ON/ELECTRIC allows the user to select an operating mode. For gas, push and turn the knob counter-clockwise until the knob is pointing to "GAS".

For AC electric, push and turn clockwise until the knob is pointing to"ELEC". Note, upon release the knob will move towards you, indicating that the oper- ating control is locked into the AC electric mode.

Safety Valve - During the gas ignition process, the safety valve knob must be held in until a flame is established at the burner.

The safety valve is designed so that any loss of flame will stop the gas flow to the burner. It is con- trolled by means of a thermocouple that is positioned in the flame. As long as a flame is detected by the thermocouple, the valve will remain open. Upon flame failure, the valve closes, shutting off the gas flow to the burner.

AC/DC Selector Switch

This switch is utilized on 3-Way models only. The switch selects either 120 volt AC or DC electric modes of operation. The center position of the switch is a "Stand-By" mode which will temporarily turn off the electric positions.

Gas Operation

The gas burner is designed to operate on propane gas only. The gas control is equipped with an ignition relighter, offering the features of automatic re-ignition in case of flame blowout, positive flame sensing, and easier gas start-up. The ignition relighter is powered by 12 volts DC and is controlled by the ignitor switch located on the control panel. When the switch is in the "OFF" position, no ignition spark is present. When the switch is in the "ON" position, the relighter produces a rapid spark at the gas burner. The spark occurs at a rate of 1 to 2 times per second until a flame is present (Refer to "Lighting Instructions"). The spark continues until a flame is sensed or until the ignitor switch is turned off. When the flame is sensed, the relighter discontinues the spark and the flame indicator illuminates. The flame indicator lamp will cease to illuminate upon loss of burner flame. During gas operation, the current draw for the re-igni- tion system is very low, approximately 30 milliamps (.030 amps).

120 Volt AC Operation

While parked, the coach normally operates from a 120 volt AC source. The refrigerator can be very eas- ily switched to AC operation.

!2 Volt DC Electric Operation

The refrigerator receives its DC power from the ve- hicle’s 12 volt system; either an auxiliary battery, a converter, or the engine battery. The 12 volt DC sys-

15