Master-Bilt MBUR27A Operator’s Manual

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1/16 Rev. A 57-02436

UNDERCOUNTER REFRIGERATORS AND FREEZERS

Installation, Operation and Maintenance Instructions

Please read this manual completely prior to installing and operating this equipment.
This manual describes how to install, operate and maintain the product in order to
obtain the optimum in performance, efficiency and reliability.

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1/16 Rev. A 57-02436

TABLE OF CONTENTS

UNDERCOUNTER REFRIGERATORS

MODEL

STORAGE CAPACITY (FT³)

ELECTRICAL

REFRIGERANT

WEIGHT (LBS)

UR27-A

7.2

115/60/1/3.0

R-134a

130

UR36-A

9.9

115/60/1/2.8

R-134a

175

UR48-A

13.4

115/60/1/3.0

R-134a

215

UR60-A

16.2

115/60/1/5.4

R-134a

255

UR72-A

20.5

115/60/1/5.3

R-134a

285

UNDERCOUNTER FREEZERS

MODEL

STORAGE CAPACITY (FT³)

ELECTRICAL

REFRIGERANT

WEIGHT (LBS)

UF27-A

7.2

115/60/1/5.2

R-404a

140

UF48-A

13.4

115/60/1/6.0

R-404a

220

UF60-A

16.2

115/60/1/7.5

R-404a

260

SPECIFICATIONS 2
RECEIVING INSPECTION 3
SAFETY INFORMATION 4
SET-UP AND INSTALLATION 6
START-UP AND OPERATION 9
CLEANING AND MAINTENANCE 10
TROUBLE SHOOTING GUIDE 11
WIRING DIAGRAMS 12

SPECIFICATIONS

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1/16 Rev. A 57-02436

RECEIVING INSPECTION

Congratulations on your purchase of a quality built appliance. When properly installed
and maintained this product will give many years of trouble free service. It was shipped
using trusted carriers with a history of careful handling, good customer service and
prompt delivery.

Even with all of these precautions taken occasionally accidents may happen which
result in shipping damage. When the product was picked up by the carrier they assume
responsibility for the product until they deliver it to you. Thus any claims for shipping
damages must be filed with the delivering carrier.

Always thoroughly inspect the delivery for visible damages and shortages. Should any
damages or shortages be found be sure to note them in detail on the delivery receipt
before you sign off on it. Make sure the driver signs and dates the delivery receipt
acknowledging the damages. This is critical in protecting yourself should a claim need
to be filed. You can consult the carrier’s website for their specific claim procedures.
Remember it is your responsibility to file a claim with the carrier.

In the case of concealed damages that are not discovered in the initial inspection but
are found upon removing packaging, time is critical. Yo u s hou l d unpa c k an d in s pe ct the
unit as soon as possible. If concealed damage is found, stop unpacking and contact the
delivering carrier immediately to alert them of the damages and get a claim number.
Save all packaging for inspection by the carrier. Consult the carrier website for details
in filing a concealed damage claim.

Please remember, the carrier is your only source for reclaiming freight damages. The
manufacturer should not be contacted to attempt a return of the product. No returns are
accepted without a prior authorization.

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1/16 Rev. A 57-02436

SAFETY INFORMATION

This manual may contain notices that identify situations that could cause death, serious
injury and /or damage to the appliance or property.

Please make note of the follow i ng definit ions;
! WARNING Indicates a hazardous situation which could result in death or

serious injury.

NOTICE Indicates a situation which could result in damage to the appliance

or property.

IMPORTANT Indicates important information about the use and care of the

appliance.

! WARNING
This appliance should be applied only for the use for which it has been expressly
intended. Any other use would be considered improper and therefore dangerous. The
manufacturer cannot be held responsible for injury or damage resulting from improper,
incorrect and unreasonable use. Failures to install, operate, or maintain the appliance
in accordance with this manual will adversely affect safety, performance, component life
and warranty coverage.

To reduce the risk of death, electric shock, serious injury or fire, follow basic precautions
including but not limited to the following;

• Only qualified service technicians should install and service this appliance.

• This appliance must be installed in accordance with applicable national, state

and local codes and regulations.

• To reduce the risk of electrical shock, do not touch the appliance or plug with wet
hands.

• Disconnect the appliance from power before servicing.

• The appliance requires an independent power supply of proper capacity. See

the appliance nameplate for electrical specifications. Failure to use an
independent power supply of proper capacity can result in a tripped breaker,
blown fuse, damage to existing wiring or component failure. This could lead to
heat generation or fire.

• The appliance must be properly grounded. This appliance is equipped with a
NEMA 5-15P three prong grounded plug to reduce the risk of potential electrical
shock hazards. It must be connected to a properly grounded, independent 3
prong wall outlet. Do not remove the ground prong from the appliance plug and
do not use and adapter plug. Failure to follow these instructions may result in
death, electrical shoc k or fir e.

• Do not use an extension cord to supply power to the appliance.

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• Do not use the appliance should the power cord become damaged. The power
cord should not be altered, jerked, pinched, bundled and/or used to hang objects
from. Suc h actions could result in electrical shock or fire. To disconnect the unit
from power, be sure to grasp and pull on the plug, not the cord.

• Should the power cord require replacement or service, use only the
manufactures replacement parts and be sure to connect the green ground wire to
the appliance in the same manner the original wire was connected.

• Do not spray or splash water on the appliance as this may cause short circuits,
electrical shock, corrosion or failure.

• Do not make alterations or modifications to the appliance as these could result in
electric shock, injury, fire or damage to the appliance.

• Children must be properly supervised around this appliance.

• This appliance 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 instruction concerning its
use by a person responsible for their safety.

• Do not climb, stand, or hang on or into the appliance or its components. Death
or serious injury could occur or the appliance could be damaged.

• Use caution when opening doors or lids and keep fingers out of pinch points
areas.

• Do not use combustible sprays or aerosols around the appliance as they may
catch fire.

• Do not store gasoline or other flammable substances in or near the appliance as
they may catch fire.

• Keep the area around the appliance clean. Dirt, dust or insects around the
appliance could cause harm to individuals or damage to the equipment.

• Do not load the shelves with more than 100 pounds of load as they could fall and
cause injury.

• Do not block air inlets or outlets as this would cause cooling performance to be
reduced.

• Do not overload the storage capacity of the appliance. Allow space between
stored items for air flow.

• Do not load warm or hot items into the appliance. Allow them to cool first or they
will raise the cabinet temperature and could hasten the deterioration of other
foods stored in the cabinet.

• This appliance is designed for the temporary storage to food products. Use
proper sanitation pract ices.

• All food products should be covered or stored in sealed containers. Open foods
may dry up, pass their smell to other foods and increase cross contamination.
Some food products may accelerate corrosion of the evaporator resulting in
failure of the appliance to cool.

• Component parts must be replaced with manufacturer original equipment parts.