General Sequence Of Operation - True CVM-11 Series Installation Manual

Appliance Operation (cont.)

General Sequence of Operation

When powering on, your appliance goes through a specific sequence of operations:
For Refrigerators & Freezers
• Interior lights will illuminate on glass door models (see previous page for light switch location).
• An electronic control with digital display will illuminate (if installed).
• There may be a short delay before the compressor and/or evaporator fan(s) start. This delay may be determined by time or by
temperature, which could be the result of an initial defrost event that will last at least 6 minutes.
• The temperature control/thermostat may cycle the compressor and evaporator fan(s) on and off together. Every appliance will
require a defrost event to ensure the evaporator coil remains clear of frost and ice buildup. Defrost is initiated by a defrost timer
or by the electronic control.
EXCEPTION
– Models TSID, TDBD, TCGG, and TMW do not have an evaporator fan(s).
• The temperature control/thermostat senses either an evaporator coil temperature or air temperature, NOT product temperature.
• An analog thermometer, digital thermometer, or electronic control display may reflect the refrigeration cycle swings of up and
down temperatures, NOT product temperature. The most accurate method to determine a appliance's operation is to
verify the product temperature.
• Refrigerators with mechanical temperature controls will defrost during every compressor off-cycle.
• Freezers with mechanical temperature controls will defrost by time initiation as determined by a defrost timer.
EXCEPTION – Models TFM, TDC, THDC and TMW require a manual defrost. The frequency of this manual defrost will depend on
the appliance's usage and ambient conditions.
• An electronic control with a digital display (if installed) will show dEF during defrost.
NOTICE ›
The display may have a short delay before showing a temperature after a defrost event has expired and instead
show dEF during a refrigeration cycle.
• Models with an analog or digital thermometer may show higher than normal temperatures during defrost.
• A refrigerator will use the evaporator fans to clear the coil during defrost.
EXCEPTION
– Models TSID, TDBD, and TCGG do not have an evaporator fan(s).
• A freezer will use heaters to clear the evaporator coil during defrost.
NOTICE ›
The evaporator coil heater and drain tube heater are only energized during defrost. Defrost is terminated when a
specific evaporator coil temperature is reached or by a time duration.
For Heated Appliances
• Interior lights will illuminate on glass door models (see previous page for light switch location).
• An electronic control with digital display will illuminate (if installed).
• There may be a short delay before the heater(s) start. This delay may be determined by either time or by temperature.
• The temperature control/thermostat senses air temperature, NOT product temperature. An analog thermometer, digital
thermometer, or electronic control display may reflect the heating cycle swings of up and down temperatures, NOT product
temperature. The most accurate method to determine an appliance's operation is to verify the product temperature.
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08/3/2023
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