3. When the oven has reached the desired temper-
ature, turn the temperature-control knob counterclockwise until the
heat shuts off, as indicated when the pilot lamp goes out. Before
making a final temperature adjustment, allow about 1 hour for oven
heat to stabilize. If the oven has not reached the desired temper-
ature after 1 hour, turn the temperature-control knob to raise or
lower the temperature as required until desired temperature is
When the temperature moves from a high setting to
a lower one, the safety pilot light may glow faintly
until the new lower temperature is stabilized.
(13) Ice Maker.
(a) Description. The tank-type ice maker (21, fig.
automatic supply of ice cubes needed to cool the distillation bath.
The ice maker is a simple, compressor-type freezer operating on
115-volt, 60 Hz power. It has a tank-type reservoir for a water
source. The tank must be filled manually. The capacity of the ice
maker is 19 pounds per 24 hours.
(b) Operating Instructions. Fill the water tank
manually and turn on the line switch. Operate as a normal freezer
unit and observe the following instructions:
Do not cut off air circulation from the front
Make sure that the unit is operated in a
Ruffle the ice or remove a few cubes each
Defrost the ice maker periodically.
5. When defrosting or stopping operating for a
period of time, prop the door open 2 inches.
Do not use any electrical heating devices to
(14) Water Demineralize Unit.
(a) Description. The water demineralize unit (27
and 28, fig. 1-3) is wall mounted on the left-hand side above the
sink. It consists of two water demineralizer cartridge brackets (3,
The cartridge color coded red contains mixed resin bed used to
remove inorganic from water. The cartridge color coded balck
contains a resin bed used to remove organics from water.