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Compact Refrigerators and Freezers Service and Installation Manual
For customer service, call (800) 733-8829, (800) 773-8821, Fax (989) 773-3210, www.delfield.com
8
If your freezer seems to vibrate excessively when the
compressor is running, loosen (but do not remove) the
bolts on the compressor. Semi hermetic models should be
loosened before operating.
BASIC MAINTENANCE
Gasket Maintenance
Gaskets require regular cleaning to prevent mold and mildew
build up and also to keep the elasticity of the gasket. Gasket
cleaning can be done with the use of warm soapy water. Avoid
full strength cleaning products on gaskets as this can cause
them to become brittle and prevent proper seals. Also, never
use sharp tools or knives to scrape or clean the gasket which
could possibly tear the gasket and rip the bellows.
Gaskets can easily be replaced and do not require the use of
tools or authorized service persons. The gaskets are “Dart”
style and can be pulled out of the grove in the door and new
gaskets can be “pressed” back into place.
Doors/Hinges
Over time and with heavy use doors the hinges may become
loose. If it is noticed that the door is beginning to sag, it may
become necessary to tighten the screws that mount the hinge
brackets to the frame of the unit. If the doors are loose or
sagging this can cause the hinge to pull out of the frame which
may damage both the doors and the door hinges. In some
cases this can require qualified service agents or maintenance
personnel.
Drain Maintenance
Each unit has a drain located inside the unit which removes the
condensation from the evaporator coil and evaporates it at an
external condensate evaporator pan. Each drain can become
loose or disconnected from moving or bumping the drain. If
you notice excessive water accumulation on the inside of the
unit be sure the drain tube is connected from the evaporator
housing to the condensate evaporator drain pan. If water
is collected underneath the unit you may want to check the
condensate evaporator drain tube to be sure it is still located
inside the drain pan. The leveling of the unit is important as the
units are designed to drain properly when on a level surface,
if your floor is not level this can also cause drain problems.
Be sure all drain lines are free of obstructions, typically food
product is found blocking drain lines causing water to back up
and overflow the drain pans.
Refrigeration cycle
Refrigerators: During the refrigeration cycle the evaporator
fans will run continuously with the exception of door openings.
The door switch will activate the lights when opened and turn
power off to the evaporator fan motors.
The temperature control allows for the evaporator coil to clear
after each off cycle and before the compressor runs again.
Freezers: During the refrigeration cycle the timer supplies
power to the temperature control (for power to the condensing
unit) and evaporator fan motors. The evaporator fans will run
at any time when the compressor is running, they will also
cycle off during door openings and during a defrost period.
The door switch will activate the lights when opened and turn
power off to the evaporator fan motors.
See Defrost Cycle
Maintenance Continued