Turboair M3R19-1-N-L User manual

M3 Series Reach-Ins
Refrigerators & Freezers
Installation and Operation Manual
Please read this manual completely before attempting to install or operate this equipment.
www.turboairinc.com
Turbo Air Speeds up the Pace of Innovation
SOLID DOOR REFRIGERATORS
M3R19-1-N
M3R19-1-N-L
M3R24-1-N
M3R24-1-N-L
M3R24-2-N
M3R24-2-N-L
SOLID DOOR FREEZERS
M3F19-1-N
M3F19-1-N-L
M3F24-1-N
M3F24-1-N-L
M3F24-2-N
M3F24-2-N-L
SOLID DOOR DUAL TEMPERATURE
M3RF19-2-N
M3RF19-2-N-L
M3RF45-2-N
M3R47-2-N
M3R47-4-N
M3R72-3-N
M3R72-6-N
M3F47-2-N
M3F47-4-N
M3F72-3-N
M3F72-6-N

2
CONTENTS
PAGE
NOTICE
FOR HYDROCARBON REFRIGERATION UNITS
IMPORTANT SAFETY INFORMATION
SPECIFICATIONS / SERIAL NUMBER
NOTICE TO CUSTOMER
INSTALLATION
CLEANING / CAUTION
BASIC OPERATION
REVERSIBLE DOOR INSTRUCTIONS
TROUBLESHOOTING
STAINLESS STEEL EQUIPMENT CARE & CLEANING
WARRANTY INFORMATION
WARRANTY REGISTRATION CARD
3
4-5
6-9
10
11
11
12
13-18
19-21
22
23-24
25-26
27

3
NOTICE
• This equipment is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge
unless they have been given supervision or instructions concerning the use of this
equipment and the hazards involved by a person responsible for their safety.
• The special instructions for those persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge are not included
in this manual and are not required to be included.
• Children shall not play with the appliance.
• Cleaning and user maintenance shall not be made by children without supervision.
This manual uses the following safety symbols. These safety symbols with the
words of DANGER, WARNING or CAUTION alert users of the potential
hazards that could cause injury or even death.
DANGER
WARNING
CAUTION
Indicates hazards of death or serious injury,
if the instructions are not followed.
Indicates dangers of death or serious injury,
if the instructions are not followed.
Indicates risks of personal injury or material damage,
if the instructions are not followed.

4
FOR HYDROCARBON REFRIGERATION UNITS
PLEASE REFER TO THE LABEL INSIDE THE CABINET TO CHECK
REFRIGERATION TYPE AND VOLUME.
WARNING
This unit uses R-290 (propane), or R-600a (isobutane) as a refrigerant. These
hydrocarbon refrigerants are highly environmentally compatible but also are
flammable and combustible. Please read this manual thoroughly before installing
and operating the unit. Please take cautious measures to avoid risk of fire or explosion.
DANGER - Risk of fire or explosion. Flammable refrigerant used.
Do not use mechanical devices to defrost refrigerator. Do not
puncture refrigerant tubing.
DANGER - Risk of fire or explosion. Flammable refrigerant used.
To be repaired only by trained service personnel. Do not puncture
refrigerant tubing.
CAUTION - Risk of fire or explosion. Dispose of properly in
accordance with federal or local regulations. Flammable
refrigerant used.
CAUTION - Risk of fire or explosion. Flammable refrigerant
used. Consult repair manual/owner’s guide before attempting to
service this product. All safety precautions must be followed
CAUTION - Risk of fire or explosion due to puncture of refrigerant
tubing; follow handling instructions carefully. Flammable
refrigerant used.
WARNING
- Keep ventilation openings, in the appliance enclosure or in the
built-in structure, clear of obstruction.
- Do not use mechanical devices or other means to accelerate
the defrosting process, other than those recommended by the
manufacturer.
- Do not damage the refrigerant circuit.
- Do not use electrical appliances inside the food storage
compartments of the appliance unless they are of a type
recommended by the manufacturer.

5
FOR HYDROCARBON REFRIGERATION UNITS
WARNING
• Handle the unit with care in order to avoid any serious damage to the refrigeration
system.
• The refrigerant tubing, condenser, and evaporator coils are prone to damage
while handling, moving, installing, and cleaning the unit, which may lead to fire or
even explosion.
• Refrigerant squirting out of the pipes could ignite or cause an eye injury. If a leak
is detected, avoid any naked flames or potential sources of ignition and air the
room in which the appliance is located.
• To avoid the creation of a flammable gas-air mixture from a leaking refrigerating
circuit, the size of the room in which the appliance is placed depends on the
amount of refrigerant used. The room must be 35.31ft3 (1m³) in size for every
0.28oz (8g) of R-600a refrigerant inside the appliance. The amount of refrigerant in
your particular appliance is shown on the label inside the cabinet.
• Never start up an appliance showing any signs of damage. When in doubt, contact
a qualified service professional.
• In case of any hazardous activities such as fire or explosion, move the unit away
from any source of ignition to a well ventilated area.
• Further service and repair must be done by a qualified technician who is familiar
with the safety standards, and also has thorough understanding and knowledge
of the flammable refrigerants.
• Any individuals handling these units must be equipped with proper personal
protection and equipment and follow applicable safety measures and precautions
to avoid risk of fire or explosion.
This appliance contains a small amount of propane (R-290) or isobutane
(R-600a) refrigerant, a natural gas with high environmental compatibility,
but it is also combustible. When transporting and installing the appliance,
ensure that no part of the refrigerating circuit is damaged.

6
IMPORTANT SAFETY INFORMATION
WARNING
• The unit must be installed and located in accordance with the manufacturer’s
installation instructions.
• Installation work must be performed in accordance with the National Electric Code
by qualified and authorized personnel only.
• Repairs and replacement work must be performed by a qualified and authorized
service professional using only genuine replacement parts (Component parts
shall be replaced with like components).
• Do not use an extension cord or an adapter plug. Because of the potential safety
hazards under certain conditions, we strongly do not recommed any use of an
extension cord or an adapter plug.
• Do not, under any circumstance, cut or remove the ground prong from the power
cord. For personal safety, this appliance must be properly grounded.
• Do not store volatile and flammable substances in the refrigerator. The storage of
benzene, thinner, alcohol, ether, LP gas, or other explosive substances may cause
an explosion.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity
of this appliance as well as any other appliances.
• The appliance is not intended for use by children without supervision.
• Do not allow children to climb, stand, or hang on the refrigerator doors or shelves
in the refrigerators. They could damage the refrigerator and seriously injure
themselves.
• To prevent suffocation and entrapment hazards to children, remove the doors and
seals from the refrigerator before disposing of it or discontinuing its use.
SAFETY PRECAUTIONS
To avoid any risk of fire, explosion, electric shock, personal injury, material damage or
incorrect use of the appliance, be sure to observe the following safety precautions
(After reading these owner’s manual instructions, please keep the manual booklet in
a safe place for reference. Remember to hand it over to any subsequent owners).

7
IMPORTANT SAFETY INFORMATION
INSTALLATION & USAGE
WARNING
CAUTION
• Do not install the unit in a damp place where it could be splashed with water.
Incorrect insulation of the electrical parts may cause fire or electric shock.
• Do not plug several appliances into the same sockets. This could cause fire due to
overheating.
• Keep the power plug away from the rear of the cabinet. A damaged power plug may
cause fire due to overheating.
• Do not spray water directly to the interior or exterior of the appliance. There is a risk
of fire or electric shock.
• Do not place any containers filled with water on top of the appliance. If the water
spills onto any electrical parts, it may lead to fire or electric shock.
• Do not attempt to repair, disassemble or alter the appliance. It may cause fire or
abnormal operations which may lead to injury.
• Unplug the refrigerator before making repairs, replacing a light bulb, or cleaning.
• Plug into a grounded 3-prong outlet. Do not remove the ground prong.
• Do not store too much food in the appliance. When you open the door, an item may
fall out and cause personal injury or material damage.
• Do not put bottles or any kind of glass in the freezer. The container may break and
cause personal injury.
• Do not disconnect the power cord by pulling on it. This may disconnect a wire and
cause a short circuit.

8
IMPORTANT SAFETY INFORMATION
INSTALLATION & USAGE
CAUTION
• There is a risk of death from suffocation if a child puts the packing materials on his
or her head.
• Do not store any articles on top of the appliance. Articles may fall while opening or
closing the door, and could cause personal injury or material damage.
• Do not store pharmaceutical products, scientific materials or other
temperature-sensitive products in the refrigerator. Products that require strict
temperature controls must not be stored in the refrigerator.
• Do not let children hang on the door.
• Do not touch any cold surfaces or food containers in the freezer with damp or wet
hands. Skin may stick to these extremely cold surfaces and may cause frostbite.
• Remove any foreign matter from the power plug pins. Otherwise, there is a risk of
fire.
• Do not insert your hand into the bottom area of appliance. Any sharp edges may
cause personal injury.
• After unplugging the appliance, wait at least five minutes before plugging it back in.
Abnormal operation of the freezer may cause material damage.
• If the appliance is not used for a long period of time, unplug it from the power
supply. Any deterioration in the insulation may cause fire.
• Do not let children touch or play with the control panel on the front of the appliance.
- Do not allow children to play with this appliance.
- Do not stand or lean on the base panel, pull-out parts, or doors.
- Repairs and maintenance of the appliance should only be performed by a qualified
technician. Incorrect repairs done by an unqualified person may be a potential
source of danger that could have critical consequences for the user of the
appliance.
- Never put ice cubes or ice pops straight from the freezer into your mouth.
The low temperature may cause cold burns.

9
IMPORTANT SAFETY INFORMATION
The refrigeration used in refrigerator/freezer and the gases in the insulation
material require special disposal procedures. Ensure that none of the pipes on
the back of the appliance are damaged prior to disposal.
WARNING
CAUTION
Before disposing of old appliances, make them inoperable. Remove plug from mains,
severe the power cable, and remove or destroy any snap or latch closures.
This eliminates the danger of any children locking themselves into the appliance
(danger of suffocation) or placing themselves into other life-threatening situations.
• The appliance may not be disposed of with domestic waste or bulky refuse.
• The refrigerant circuit, especially the heat exchanger at the back of the appliance,
may not be damaged.
• Information concerning collection schedules or locations can be obtained from the
local disposal authorities.
PROPER DISPOSAL OF OLD APPLIANCE
BEFORE YOU CALL FOR SERVICE
For environmental purposes, refrigeration appliances must be properly disposed.
This applies to your old appliance, and at the end of its service life, for your new
appliance as well.
Before contacting our Service Department, review the detailed troubleshooting tips in
the Owner’s manual.
1. Try to remedy the problem. Please read the “Troubleshooting Guide” section.
2. Restart the appliance to check whether the fault repeats. If the malfunction
persists, switch off the appliance and try again after an hour.
3. If the malfunction still persists, then contact our Customer Service, specifying:
• The nature of the problem
• The appliance model number and serial number
• Your full address, telephone number and area code

10
SPECIFICATIONS
SERIAL NUMBER
The serial number is on the rating label located on the left interior wall.
Please retain the unit’s serial number for service purpose.
Refrigerators
MODEL COMP H.P. V/Hz REFRIGERANT AMPS
M3R19-1-N
M3R24-1-N
M3R24-2-N
M3R47-2-N
M3R47-4-N
M3R72-3-N
M3R72-6-N
1/4
1/4+
1/4+
1/3
1/3
3/8
3/8
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
R-290
R-290
R-290
R-290
R-290
R-290
R-290
2.5
2.5
2.5
2.8
2.8
5.6
5.6
194
270
270
401
401
559
559
MODEL COMP H.P. V/Hz REFRIGERANT AMPS
M3F19-1-N
M3F24-1-N
M3F24-2-N
M3F47-2-N
M3F47-4-N
M3F72-3-N
M3F72-6-N
3/8
3/8
3/8
2/3
3/4
3/4
3/4
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
115V/60Hz
R-290
R-290
R-290
R-290
R-290
R-290
R-290
4.5
4.4
4.4
6.3
6.3
7.9
7.9
194
280
282
435
435
571
644
Freezers
CRATED
WEIGHT (lbs.)
CRATED
WEIGHT (lbs.)
MODEL COMP H.P. V/Hz REFRIGERANT AMPS
M3RF19-2-N
M3RF45-2-N
3/8+
1/3(F), 1/4(R)
115V/60Hz
115V/60Hz
R-290
R-290
4.8
6.0
220
415
Dual Temperature
CRATED
WEIGHT (lbs.)

11
NOTICE TO CUSTOMER
INSTALLATION
Loss or spoilage of products in your refrigerator/freezer is not covered by warranty.
In addition to following recommended installation procedures, you must run the
refrigerator/freezer 24 hours prior to usage.
1. LOCATION - Allow adequate space and install the refrigerator on a firm and level floor.
If the appliance is not level, there may be unusual noises and poor cooling performance.
2. GOOD AIR CIRCULULATION - Be sure to avoid any partition and object which may
stop the air flow and that air space is allowed to flow to the rear and/or sides of the unit
between the refrigerator and the back wall. Insufficient space causes vibration noise,
inefficient refrigeration, damage to the refrigeration system, and the waste of
electricity (Turbo Air recommends that the rear of the unit should be no less than
5 inches from the wall).
3. PLACE ON STRONG FLOOR - Be sure that the floor on which the unit is to be installed
is strong enough to support the total weight of the cabinet and any other contents,
before starting the installation.
4. DO NOT PLACE NEAR HEAT - Be sure to avoid hot corners and other locations such
as near stoves. High ambient temperature will result in much lower cooling efficiency.
5. INDOOR USAGE ONLY - Be sure to install this unit indoors only, to prevent getting wet
from the rain. Do not install the refrigerator in locations where the temperature is over
100°F (43°C) or below 50°F (10°C).
6. STABILIZING - Make sure the unit is installed in a stable condition with the front wheels
locked while in use.
7. LEVELING - Be sure that the unit levels from the front to the back and side to side.
8. UNIT SHOULD BE ON DEDICATED OUTLET - Plug the refrigerator into a wall socket
exclusively for this appliance. Do not run on extension cord.
9. THE ELECTRICAL PLUG MUST BE ACCESSIBLE WITHOUT MOVING THE UNIT.
10. WHEN POSITIONING FOOD FOR STORAGE, A MAXIMUM OF ONE SHELF MAY
BE LOADED LESS THAN 110lb (50kg), BUT DO NOT ALLOW LOADS TO OVER
HANG FROM THE FRONT AND REAR EDGES OF SHELVES.

1. CLEANING THE INTERIOR AND EXTERIOR
- The interior and exterior of the unit can be cleaned using warm water and soap.
- Do not use an abrasive cleaner because it will scratch the surface.
2. CLEANING THE CONDENSER COIL
- To maintain proper refrigeration performance, the Condenser coil must be free of
dust, dirt, and grease. This will require periodic cleaning. Condenser coil should
be cleaned at least every three months (90days) or as needed.
- To clean the condenser, unplug the power cord. Condenser can be cleaned with
vacuum, brush, or CO2 (high pressure air).
3. CLEAN THE DRAIN PAN
- Periodically, empty the drain pan which is located under the unit.
-
When reinstalling the Drain Pan, make sure the drain hose is placed back into the pan.
4. CHECK AFTER CLEANING
1) Check the unit again for safety.
2) Plug unit back in and turn on power switch.
3) Check that the unit is operating properly.
12
CLEANING
CAUTION
Before cleaning, unplug the unit and disconnect the power.
Wipe and clean the inside and outside of appliance with a damp cloth.
1. POWER CORD
- Be sure the power cord is connected to the proper voltage.
- A protected circuit of the correct voltage and amperage must run for connection of
the line cord.
- Turn ‘off’ the power switch before disconnected the power cord, whenever
performing maintenance functions or cleaning the refrigerated cabinet.
- Compressor warranties are void if compressor burns out due to low voltage.
2. RESTARTING
- If disconnected, wait 5 minutes before restarting.
3. POSITIONING GOODS
- Do not obstruct the air inlet which is located at the back inside of the unit.
NOTE: For a self-cleaning condenser equipped model, condenser cleaning is not
required. However, it is recommended to blow the condenser coil out with Nitrogen
once or twice a year. Note that the condenser cleaner may not remove grease.

13
BASIC OPERATION
DISPLAY PANEL OF REFRIGERATOR
REFRIGERATORS
M3R19-1-N
M3R19-1-N-L
M3R24-1-N
M3R24-1-N-L
M3R24-2-N
M3R24-2-N-L
M3R47-2-N
M3R47-4-N
M3R72-3-N
M3R72-6-N
1. Plug in and turn on the power switch located on the control box. The Display
panel will be lighted and make a beep sound. The compressor will begin to run.
2. The default temperature setting is No. “4”.
3. The compressor is automatically cycled by the electronic controller (PCB, RD-Sensor).
4. The Defrost cycle is automatically controlled by the PCB.
5. Set level toward “1” for higher temperature and toward “7” for lower temperature.
6. The interior light is activated by the switch at the bottom of the grille when
the door is opened.
7. Evaporator fan motor(s) will run after all doors are completely closed.
TEMP. SETTING TEMP. CONTROL BUTTON
INNER TEMP.
(SEE PAGE 14)
(SEE PAGE 14)
TEMPERATURE
TURBO
COOLING
POWER
TEMPERATURE

1. It displays the inside temperature.
2. When the inside temperature is higher than 99˚F, the panel will display ‘ ’.
14
UP/DOWN BUTTON (Temperature control button)
INNER TEMPERATURE DISPLAY
FAN RUNNING
1. By pushing the up/down button, you can set the inside temperature level from
‘1’ to ‘7’.
2. If you want to lower the temperature, push the Down button to increase and light
higher number.
1. Evaporator fan motor is activated when the door (both doors for M3R47-2-N,
M3R47-4-N, all three doors for M3R72-3-N, M3R72-6-N) is closed.

15
BASIC OPERATION
DISPLAY PANEL OF FREEZER
1. Plug in and turn on the power switch located on the control box. The Display
panel will be lighted and make a beep sound. The compressor will begin to run.
2. The default temperature setting is No. “4”.
3. The compressor is automatically cycled by the electronic controller (PCB, RD-Sensor).
4. The Defrost cycle is automatically controlled by the F-sensor, and the PCB.
5. Set level toward “1” for higher temperature and toward “7” for lower temperature.
6. The interior light is activated by the switch at the bottom of the grille when
the door is opened.
7. Evaporator fan motor(s) will run after all doors are completely closed.
8. Good Air Flow in freezer unit is critical.
Be careful to load product so that it neither presses against the back wall, nor reaches
within four inches from the evaporator compartment.
TEMP. SETTING TEMP. CONTROL BUTTON
INNER TEMP.
(SEE PAGE 16)
(SEE PAGE 16)
TEMPERATURE
TURBO
FREEZE
POWER
TEMPERATURE
FREEZERS
M3F19-1-N
M3F19-1-N-L
M3F24-1-N
M3F24-1-N-L
M3F24-2-N
M3F24-2-N-L
M3F47-2-N
M3F47-4-N
M3F72-3-N
M3F72-6-N

1. It displays the inside temperature.
2. When the inside temperature is higher than 99˚F, the panel will display ‘ ’.
16
UP/DOWN BUTTON (Temperature control button)
INNER TEMPERATURE DISPLAY
FAN RUNNING
DEFROST
1. By pushing the up/down button, you can set the inside temperature level from
‘1’ to ‘7’.
2. If you want to lower the temperature, push the down button to light and increase
higher numbers.
MANUAL DEFROST
1. Press the down ( ) button 5 times while pressing the up ( ) button and the defrost
will start.
2. During the manual defrost mode, the up/down button for the temperature control
can not make the compressor cycle turn ON or OFF.
1. The electronic defrost controller is set at the factory to provide a defrost cycle
every 6 hours (4 times per a day).
2. The panel displays “ ” during the defrost cycle.
1. Evaporator fan motor is activated when the door (both doors for M3F47-2-N,
M3F47-4-N, all three doors for M3F72-3-N, M3F72-6-N) is closed.

17
BASIC OPERATION
DUAL TEMPERATURE
M3RF19-2-N
M3RF19-2-N-L
M3RF45-2-N
1. When plugged in the display panel will light up and make a beeping sound. The
compressor will begin to run.
2. The compressor is automatically cycled by the electronic controller (PCB).
3. The defrost cycle is automatically controlled by the PCB.
4. Good air flow in the freezer/refrigerator unit is critical. Be careful to load product so that it
neither presses against the back wall, nor reaches within four inches from the evaporator
compartment.
DISPLAY PANEL OF DUAL TEMPERATURE
(SEE PAGE 18)
(SEE PAGE 18)
(SEE PAGE 18)
TEMP. INSIDE UNIT
TEMP. CONTROL BUTTON
TEMP. SETTING
MEAT BUTTON
TURBO FREEZE
INNER FAN LED
DOOR LED

1. It displays the inside temperature.
2. When the inside temperature is higher than 99˚F, the panel will display ‘ ’.
18
UP/DOWN BUTTON (Temperature control button)
TURBO FREEZE BUTTON
MEAT BUTTON
INNER TEMPERATURE DISPLAY
1. By pushing the up/down button, you can set the inside temperature.
2. If you want to lower the temperature, push the down button to lower level
numbers.
1. Push the turbo freeze button and the unit will operate at full speed.
2. Push the turbo freeze button again and the function will cancel.
1. By pushing the meat button, the unit keeps meats and fishes fresh.
2. Push the meat button again and the function will cancel.

19
REVERSIBLE DOOR INSTRUCTIONS
(For M3R19-1-N / M3R24-1-N / M3F19-1-N / M3F24-1-N)
1. TOP GRILLE (T) AND TOP GRILLE (B)
C. Unscrew screws on top grille (B).
CAUTION: When unscrewing, hold top grille.
Falling down the top grille cause bruise.
A. Disassemble the top grille fixture as below. D. Unscrew the screws located on the bottom of
top grille (B).
E. Pull out the harness of the display PCB and the
harness of the door s/w located on back of top
grille (B).
B. Lift top grille (T) as illustrated below.

20
REVERSIBLE DOOR INSTRUCTIONS
(For M3R19-1-N / M3R24-1-N / M3F19-1-N / M3F24-1-N)
2. REPLACING DOOR
B. Lift the door, then remove it.
A. Unscrew screws located on top hinge (right). C-2. Disassemble bottom hinge (left).
C-1. Disassemble the top hinge (left). D. Screw stopper plate on top hinge (right).