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Kelvinator Commercial KCHGM12R Manual De Servicio página 3

Expositor con puerta de cristal

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LOCATION
Units represented in this manual are intended for indoor use only. Be sure the
location chosen has a floor strong enough to support the total weight of the
cabinet and contents. A fully loaded unit can weigh as much as 1500 pounds.
Reinforce the floor as necessary to provide for maximum loading. For the most
efficient refrigeration, be sure to provide good air circulation inside and out.
INSIDE CABINET
Do not pack refrigerator so full that air cannot circulate. The refrigerated air is
discharged at the top rear of the unit. It is important to allow for proper air flow
from the top rear to the bottom of the unit. Obstructions to this air flow can cause
evaporator coil freeze ups and loss of temperature or overflow of water from the
evaporator drain pan. The shelves have a rear turn up on them to prevent this.
However, bags and other items can still be located to the far rear of the cabinet.
Air is brought into the evaporator coil with fans mounted to the front of the coil.
Prevent obstruction by locating large boxes and tall stacks of product to the
bottom of the cabinet.
OUTSIDE CABINET
Be sure that the unit has access to ample air. Avoid hot corners and locations
near stoves and ovens. It is recommended that the unit be installed no closer
than 2" from any wall with at least 12" of clear space above the unit. Should
it become necessary to lay the unit on its side or back for any reason, allow at
least 24 hours before start-up so as to allow compressor oil to flow back to the
sump. Failure to meet this requirement can cause compressor failure and unit
damage.
LEVELING
A level cabinet looks better and will perform better because the doors will line up
with the frames properly, the cabinet will not be subject to undue strain and the
contents of the cabinet will not move around on the shelves. Use a level to make
sure the unit is level from front to back and side to side. Units supplied with legs
will have adjustable bullet feet to make the necessary adjustments. If the unit is
supplied with casters, no adjustments are available. Ensure the floor where the
unit is to be located is level.
STABILIZING
Models are supplied on casters for your convenience, ease of cleaning
underneath and for mobility. It is very important, however, that the cabinet be
installed in a stable condition with the front wheels locked while in use.
ELECTRICAL CONNECTION
Refer to the amperage data, the serial tag, your local code or the National
Electrical Code to be sure the unit is connected to the proper power source. A
protected circuit of the correct voltage and amperage must be run for connection
of the line cord, or permanent connection to the unit.
OPERATION
CAUTION: DO NOT THROW ITEMS INTO THE STORAGE AREA. FAILURE TO HEED THESE
RECOMMENDATIONS COULD RESULT IN DAMAGE TO THE INTERIOR OF THE
CABINET.
REFRIGERATION CYCLE
REFRIGERATORS: Every 6 hours, the unit will turn off to let the evaporator coil
clear up the ice. The controller now displays the defrost symbol. When the coil
temperature reaches 41°F or after 20 minutes of defrost, the unit will turn on
again. The factory setting of the temperature range is 34 to 38°F.
FREEZERS: During the refrigeration cycle, the controller supplies power to the
condensing unit and evaporator fan motors. The evaporator fan will run at any time
when the evaporator coil temperature is below 54°F and it will cycle off during
the defrost period. Every 6 hours, the unit will turn off and the defrost heater will
work to clear up the ice. The controller now displays the defrost symbol. When the
coil temperature reaches 45°F or after 20 minutes of defrost, the unit will turn on
again.
3
GLASS DOOR MERCHANDISER
1. Anti-Condensation heaters on the door frames work in conjunction with the
compressor.
2. The factory setting of the temperature range is -7 to -3°F
LIGHT SWITCH: A light switch is located next to the on/off switch on the front of
the bottom panel.
CONTROL PANEL SOLID-STATE THERMOSTAT
FRONT PANEL COMMANDS
SET
SET: To display target set point; in programming mode it selects a
parameter or confirms an operation.
DEF: To start a manual defrost
UP: To view the last alarm occurrence; in programming mode it browses
the parameter codes or increases the display value
DOWN: To view the last alarm occurrence; in programming mode it
browses the parameter codes or decreases the display value
Key Combination:
To lock & unlock the keyboard
To enter in programming mode
To return to the room temperature display
To switch the instrument off.
LED
MODE
On
Compressor enabled
Flashing
Anti-short cycle delay enabled (AC parameter)
On
Defrost in progress
Flashing
Dripping in progress
On
Fans output enabled
Flashing
Fans delay after defrost
On
Measurement unit
Flashing
Programming mode
On
Measurement unit
Flashing
Programming mode
MAIN FUNCTIONS
1. How to See the Setpoint
1. Push and immediately release the SET key: the display will show the set
point value.
2. Push and immediately release the SET key or wait for 5 seconds to display
the sensor value again.
FUNCTION

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