Maxx Cold MCRT-23FD Operating instructions

Installation and Operation Guide
MODEL NUMBERS:
MCRT-23FD
MCFT-23FD
MCRT-49FD
MCFT-49FD
MCRT-72FD
MCFT-72FD
031115

Table of Contents
Page #
Specications . . . . . . . . . . . . . . . . . . . . . . . 1
Serial Number . . . . . . . . . . . . . . . . . . . . . . . 1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . 2
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Energy Star. . . . . . . . . . . . . . . . . . . . . . . . . 3
Basic Operation Refrigeration . . . . . . . . . . . . . . . 4
Basic Operation Freezer . . . . . . . . . . . . . . . . . . 5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . 6
Specications
Solid Door Refrigerators
MODEL COMP. H.P. REFRIGERANT TEMP RANGE WEIGHT
MCRT-23FD 1/3 R-134a
39˚F ~ 28˚F
(+4˚C ~ -2˚C)
220 lbs
MCRT-49FD 1/3 R-134a 335 lbs
MCRT-72FD 3/4 R-134a 522 lbs
Solid Door Freezers
MODEL COMP. H.P. REFRIGERANT TEMP RANGE WEIGHT
MCFT-23FD 1/3 R-404A
5˚F ~ -9˚F
(-15˚C ~ -23˚C)
220 lbs
MCFT-49FD 3/4 R-404A 342 lbs
MCFT-72FD 1 R-404A 536 lbs
Serial Number
The serial number is located on the rating label which is on the left interior wall.
Please retain the unit’s serial number for service purposes.

Installation
1. GOOD AIR CIRCULATION
- Make sure to avoid any object which will interrupt or block the air ow inside the unit.
- Make sure to leave enough space toward the interior rear wall to ensure good air circulation.
- Make sure to keep 5 inch space between the back of the unit and the wall.
2. PLACE ON STRONG GROUND
- Place the unit on a oor strong enough to hold.
3. DO NOT PLACE NEAR HEAT SOURCE
- Make sure to avoid hot corner or any location near stove, oven, or other heat source.
- High ambient temperature will cause cooling efciency to drop.
4. INDOOR USAGE ONLY
- This equipment is intended for indoor use only.
5. STABILIZING
- Make sure the unit is installed in a stable condition with the front wheels locked while in use.
6. LEVELING
- Make sure the unit is leveled well from front to back and side to side.
7. UNIT SHOULD BE CONNECTED TO A DEDICATED ELECTRICAL CIRCUIT.
- Do not use extension cords.
- Plug the unit to a dedicated electrical circuit & adequate capacity.
8. INSTALL PLASTIC CONDENSATE PAN IN THE BOTTOM OF THE UNIT.
- Make sure pads are installed upwards and drain hose is in pan.
9. INSTALL THE UNIT IN A PLACE WHERE THE AIR CIRCULATION IS GOOD.
- Maintain enough spaces around the unit since air to ensure the best cooling performance
- If air circulation is obstructed, then cooling performance will drop, thus consuming more
electricity as a result.
2
*Reference
• If a door for left hand is
necessary, please contact the
sales representative in your area.
• A set of door & door hinge can be
purchased separately to convert
between Right Hand and Left
Hand sides.

Cleaning
WARNING - To reduce the risk of electric shock, unplug before
cleaning or servicing.
1. CLEANING THE INTERIOR AND EXTERIOR
- The interior and exterior of the unit can be cleaned using warm water with soap.
- Do not use an abrasive cleaner because it will scratch the surface.
2. CLEANING THE CONDENSER FINS
- To maintain proper refrigeration performance, the Condenser coil must be free of dust, dirt, and grease.
It will require to clean it periodically. Condenser ns should be cleaned, at least every three
months (90 days) or as needed.
3. CLEANING THE GASKET
- The door gasket should be cleaned frequently to maintain proper sealing.
Use warm water and mild soap.
4. CLEANING THE EVAPORATOR
- If you need to clean the evaporator, please contact the qualied service technicians.
5. CHECK AFTER CLEANING
- Check the unit again for safety.
- Check that the unit is operating properly.
Energy Star
This Energy star labeled product may save you money on your
energy costs.
ENERGY STAR® OPTION AVAILABLE
ENERGY STAR qualied models feature efcient compressors, generously
sized condensers and evaporators and EC evaporator motors. These models
may also qualify for energy rebate programs.
An ENERGY STAR® product uses energy more efciently, saves you money on utility
bills and helps protect the environment. Please refer to the ENERGY STAR® related
information in www.energystar.gov for more details.
!
Caution
1. POWER CORD
- Make sure the power cord is connected to the proper voltage.
- Compressor warranties are void if compressor burns out due to improper voltage.
- A protected circuit of the correct voltage and amperage must be used for connection
of the line cord.
- Turn ‘off’ the power switch before disconnecting the power cord whenever performing
maintenance functions or cleaning the refrigerated cabinet.
- If the power cord or Refrigerator (Freezer) is damaged, it should be replaced by the
manufacturer or service agent or a similarly qualied person in order to avoid a hazard.
2. RE-STARTING
- If disconnected, wait 5 minutes before re-starting.

4
Basic Operation Refrigeration
1. UP / DOWN BUTTON (Temperature Control Button)
- By pushing the up/down button, you can set the cabinet temperature.
2. DOOR OPENING INDICATOR
- If door is opened, door opening indicator will be turned on.
- If the door is left open for 3 minutes, the alarm will sound continuously.
- The alarm will stop immediately upon closing the door.
DOOR OPENING
TEMP. CONTROL BUTTON
INSIDE TEMP.
1. Plug in and turn on the power switch located on the bottom of the top grill.
The Display panel will be lighted. The compressor will begin to run.
2. The default temperature setting is 35˚F(+2˚C)
3. The compressor is automatically cycled by the electronic controller (PBC).
4. Temp. Control range 39˚F ~ 28˚F(+4˚C ~ -2˚C)
5. The interior light is activated by the door switch when the door is open.
6. Evaporator fan motor(s) will run after all doors are completely closed.
Display Panel
MCRT-23FD MCRT-49FD MCRT-72FD

Basic Operation Freezer
Basic Operation
1. Plug in and turn on the power switch located on the bottom of the top grille.
The Display panel will be lighted. The compressor will begin to run.
2. The default temperature setting is 0˚F(-18˚C)
3. The compressor is automatically cycled by the electronic controller
(PBC, D-sensor).
4. The Defrost cycle is automatically controlled by the D-sensor and the PCB
5. Temp. Control range 5˚F ~ -9˚F(-15˚C ~ -23˚C)
6. The interior light is activated by the door switch at the bottom of the grille when
the door is open.
7. Evaporator fan motor(s) will run after all doors are completely closed.
Display Panel
1. UP / DOWN BUTTON (Temperature Control Button)
- By pushing the up/down button, you can set the cabinet temperature.
2. DEFROST
- The electronic defrost controller is set at the factory to provide a defrost cycle every 8 hours.
- Once all frost is eliminated, the defrost control is changed to the freezer mode.
- The panel displays “dF” during defrost.
3. DOOR OPENING INDICATOR
- If door is opened, door opening indicator will be turned on.
- If the door is left open for 3 minutes, the alarm will sound continuously.
- The alarm will stop immediately upon closing the door.
DOOR OPENING
TEMP. CONTROL BUTTON
INSIDE TEMP.
MCFT-23FD MCFT-49FD MCFT-72FD

6
Troubleshooting Guide
SYMPTONS CAUSES SOLUTIONS
Refrigerator/Freezer is
freezing (thawing) food.
• The Temp. is set too
low (high) to maintain
food freshness.
• Push the button to warmer
(colder) position.
The unit does not
refrigerate at all.
• There is a power
connection failure
problem.
• Check the power cord
to make sure the unit is
plugged in correctly.
The unit does not
refrigerate well.
• The unit is in sunlight or
near a heating device.
• The unit contains hot food
or too much food.
• The unit door is opened
too frequently or left open
too long.
• The temp. is not set on
the correct position.
• The condenser is clogged.
• Check the installation
place.
• Check the condition of
stored food.
• Check the position of the
temperature settings.
• Clean condenser.
There is a loud noise. • The oor is too weak or
the unit is not level.
• The back-side of the unit
is too close to the wall.
• The tray is not in the
correct position.
• Check the installation and
adjust the tray position.
There is condensation
in the unit exterior.
• High-moisture air can
produce dew-drops
during high condensation
humidity.
• Wipe with a dry cloth.
There is condensation
in the unit interior.
• The door is opened too
frequently or left open
too long.
• Damp food is stored.
• Keep the door closed to
remove condensation.
The door does not
close tightly.
• The door is bent.
• The door gasket has
come out.
• The unit is not level.
• Reposition or replace
the gasket.
• Level the unit again.

3355 Enterprise Ave. Suite 160 | Ft. Lauderdale, FL 33331
Tel: [phone] | Fax: [phone]
www.maxximumfoodservice.com
WARRANTY AND TECHNICAL SERVICE
Warranty and Service Parts
Toll free: 1-888-464-9277
8:30am to 5:30pm E.S.T. Monday through Friday