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1959 Frigidaire Dryer Service Tech-Talk (continued)
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TIMER AND SELECTOR SWITCH

MOUNTING SCREWS AND MOUNTING SCREWS

Figure 8

DCD-59 Control Housing - Knobs Removed

Nofe: The temperature selector on DI-59 and DCI-59 models should always be set to "Delicate" for proper automatic drying operation whenever these models are installed on 2 wire, 120 volt, electrical supply. (See Electrical Recommendations.)

HEATING ELEMENT CHANGE-DELUXE, CUSTOM DELUXE, AND IMPERIAL MODELS: The open coil type heater, Figure 9, used on venting type dryers, has been improved to reduce the possibility of failure. The heater frame has been relocated to prevent contact between the frame and the heater coil. A single coil is used requiring the use of only two terminal studs instead of three. The coil ends are permanently attached to the studs and the diameter of the coil has been increased to provide freer air movement over the heater. Special 208 volt or 250 volt heaters are available for special voltage conditions in some areas. This improved heater will be available as a replacement for 1957 and 1958 venting type dryers.

549

Figure 9

Improved Open Coil Type Heater

Construction and Operation

The DeLuxe, Custom DeLuxe, and Imperial Model dryers have a wrap-around, all steel cabinet on three sides. The Custom Imperial model has removable side and front panels, as well as a subtop and an interior frame.

DeLuxe and Custom DeLuxe Models incorporate a 145 minute timer which permits the heating element to be energized for a maximum of 135 minutes. The additional 10 minutes are utilized at the end of the drying period to permit the clothes to start cooling, with the heating element de-energized. The drying time-can be varied by setting the timer dial to the desired length of drying time.

Imperial and Custom Imperial Models incorporate 115 minute timers which provide 24 minutes, ON time only, for the automatic drying cycle, and 85 minutes for the timed drying cycle, the last 10 minutes of which the heating element is de-energized.

Figures 10 and 11, illustrate the air flow and clothes drying methods employed on all dryers. Further details regarding these principles may be found in , Volume VIII, No. 3A, Pages 50, 51, and 52.

Special: The efficiency of the airflow system in De-Luxe, Custom DeLuxe, and Imperial Models is dependent upon proper sealing.

A test can be performed on these dryers to be certain of proper air flow by turning on the dryer and permitting it to run from a cold start with no load in the drum. Set the temperature selector knob, if present, to NORMAL. The heater should immediately energize and remain energized for from 5 to 8 minutes.

Should the heater cut off too soon or too late, defective sealing and/or defective thermostat operation is indicated and proper corrective measures should be taken.

SHOW ROOM DISPLAY: For display purposes, all dryers designed for 120/240 volt, 3-wire service can be installed by substituting a 2-wire service cord with conventional two-blade plug for the standard three-blade plug. Connect the leads from this service cord to the Black terminal and the White (Neutral) terminal on the terminal block. Make certain that the Neutral terminal is not grounded on such a hookup as a shock will result. With the product wired in this manner, the heating elements are not energized.

Nofe: The wiring diagrams for all dryers contain electrical instructions for displaying the product.

Electrical Recommendations

ELECTRICAL INSTALLATIONS SHOULD CONFORM TO THE NATIONAL ELECTRICAL CODE AND TO SUCH LOCAL REGULATIONS AS MIGHT APPLY.

It is the user's responsibility to provide the necessary electrical facilities as follows:

DD-59, DCD-59, DI-59, and DCI-59: 120/240 volt, 3-wire, separate branch circuit fused for 30 amperes.




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