4
OPERATING INSTRUCTIONS
LANG COMMERCIAL ELECTRIC RANGES
GENERAL
The range is designed to give, well regulated, uniform heat throughout the oven and over
the surface units. The oven and surface units should be thoroughly preheated before being used.
It is advantageous from an operating cost stand point to operate with the switches and/or
thermostats set at the lowest position that will satisfactorily perform the cooking being done.
INITIAL PREHEAT
Before the initial use of the range, the oven must be thoroughly allowed to dry itself out.
This is done by setting the top and bottom oven switches to the “low” position, and setting the
thermostat to 350 degrees. Allow the range oven to saturate until all vapor and condensation
has been eliminated. For best operating results allow the range oven to thoroughly dry out.
Allow 8 to 12 hours for this process. Clean top plates thoroughly. Apply salad oil. Turn each
plate switch or thermostat to a low position and allow plate to heat for three hours.
RANGE CONTROLS
Three heat switches or automatic thermostats control the top plate units. The range is
provided with an upper heating unit located in the top of the oven and a lower heating unit
located under the metal deck, in the bottom of the oven. Each heating unit is independently
regulated for proper ratio of "top" and "bottom" heat, to suit the product being baked or roasted,
by means of two 3-heat switches located in the panel at the right of the range. The range oven
is also provided with an adjustable, automatic temperature control, the dial, which is located in
the range switch panel. The setting of the control dial establishes the average temperature to be
maintained in the range oven.
OPERATION
The range oven must be thoroughly, preheated before satisfactory baking can be done. The
range oven will not bake uniformly if not sufficiently preheated. To compensate for temperature
drop when loading the range oven, set the thermostat up 50 degrees over the desired temperature.
Reset thermostat after the range is loaded. The range oven may, of course, be preheated with the
3 heat switches set at a lower position than "High", but the time required will be proportionally
longer. After preheating, set the two 3 heat switches for proper ratio of "top" and "bottom" heat
to suit the product to be baked or roasted.
The 12" high "Roasting and Baking" range oven is equipped with a removable rack. For baking
pies, bread, or for roasting operations, the rack may be placed directly on the metal deck and the
pans placed on the rack. For baking cakes or pastries the rack should be located in the lower
position provided by the rack supports at the sides of the range and the pans placed on the rack in
this lower position.
