U N D E R B A R R E F R I G E R A T I O N
U N D E R B A R R E F R I G E R A T I O N
truemfg.com
TEC_TM_114 | REV. A | EN
04/26/2021
Page 16 of 28
TEC_TM_114 | REV. A | EN
04/26/2021
Page 17 of 28
truemfg.com
Cabinet Operation (cont.)
General Sequence of Operation — Refrigerator and Freezer Cabinets
When the cabinet is plugged in
• 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 cabinet 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 cabinet'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 cabinet's usage and ambient conditions.
• An electronic control with a digital display (if installed) will show
def
during defrost.
NOTE:
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.
NOTE:
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.
Cabinet Operation (cont.)
Pressure
Dispensing pressures differ based on the following:
• Draft dispensing line length.
• Draft dispensing system type.
• Actual product (pressure requirements vary).
• Product temperature.
• Pressurizing agent: Air pressure, CO₂ or special blended gases.
Helpful Hints on Maintaining the Correct Pressure
• Know which pressurizing agent to use on which product, and
why.
• Monitor your regulators to ensure applied pressure remains
constant.
• Keep equipment in good repair.
Tapping
DO NOT
agitate the kegs unnecessarily. If excessive agitation
occurs, allow kegs to settle 1 to 2 hours before tapping.
Prior to tapping the keg, ensure all beer faucets in the serving
location are in the off position. Completely remove the dust cover
(identification cap) from the keg.
DRAFT BEER SHOULD BE TREATED AS A FOOD PRODUCT.
In most instances draft beer is
not pasteurized
. It is very
important that you store and handle it properly.
Follow these steps to ensure the highest quality and consumer
satisfaction.
• Immediately store draft beer in a refrigerated cabinet.
• Draft beer products have a recommended shelf life. If you have
questions regarding the shelf life of any of your draft products,
please consult with your supplying depot or respective brewer
representative.
• Store kegs separately from food products. If your cooler is used
to refrigerate draft and food products,
DO NOT
store food near
or on the kegs.
• Keep keg storage and dispensing areas clean to prevent any
possibility of contaminating your draft products.
Temperature
Correct temperature is a key factor in storing and dispensing draft
beer. Beer that is too cool or too warm may be subject to flavor
loss, off taste and dispensing problems.
Helpful Hints for Controlling Temperature
• Keep a thermometer handy.
• Monitor the draft temperature in the cooler and at the tap.
• Keep cooler door closed as much as possible to avoid
temperature fluctuation.
• Regular maintenance of refrigeration equipment is
recommended.
Draft Beer Storage, Handling & Operation
