Larosa 80000 Service Manual

REFRIGERATION AND EQUIPMENT CO.

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OWNERS MANUAL

SERVICE AND MAINTENANCE

INDEX

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INTRODUCTION ............................................................................................................................... Page 6

SAFETY PROCEDURES .................................................................................................................... Page 6

GENERAL INFORMATION - ALL UNITS

RECIEVING AND INSPECTING THE EQUIPMENT

A. Receiving ................................................................................................................................. Page 7

B. Inspection ................................................................................................................................ Page 7

C. Concealed Damage .................................................................................................................. Page 7

D. Filing a Claim ........................................................................................................................... Page 7

E. Claim Form .............................................................................................................................. Page 7

INSTALLATION .............................................................................................................................. Page 7

A. Inspection ............................................................................................................................... Page 7

B. Serial Numbers ........................................................................................................................ Page 7

C. Warranty Claim Sheet .............................................................................................................. Page 7

D. Pre-Installation ......................................................................................................................... Page 7

E. Clearances .............................................................................................................................. Page 7

F. Leveling ................................................................................................................................... Page 7

STARTING RERIGERATORS/FREEZERS

A. Pressure Control - System .......................................................................................................... Page 8

B. Pressure Control - Adjustment ..................................................................................................... Page 8

C. Temperature Control - Adjustment ................................................................................................ Page 8

D. Start-up ..................................................................................................................................... Page 8

E. Test & Check - Recommended .................................................................................................... Page 8

F. Temperature Settings ................................................................................................................. Page 8

G. Evaporator Coil Fan - Operation .................................................................................................. Page 8

H. Evaporator Coil Fan - Performance .............................................................................................. Page 8

I. Thermometer ............................................................................................................................... Page 8

J. Condensate Evaporator - Operation ............................................................................................... Page 9

K. Condensate Evaporator - Type ..................................................................................................... Page 9

1. Hot Gas .................................................................................................................................. Page 9

2. Electric ................................................................................................................................... Page 9

DEFROSTING FREEZERS

A. Manual Defrost .......................................................................................................................... Page 9

B. Automatic Defrost ...................................................................................................................... Page 9

1. General .................................................................................................................................. Page 9

2. Timer Settings ......................................................................................................................... Page 9

CLEANING

A. Exteriors .................................................................................................................................. Page 9

B. Door Gaskets ........................................................................................................................... Page 9

C. Glass Doors and Mirrors ............................................................................................................ Page 9

D. Interiors .................................................................................................................................... Page 9

E. Compressor Compartment .......................................................................................................... Page 10

F. Cutting Board ............................................................................................................................ Page 10

INDEX

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DOOR & DRAWER REMOVAL

A. Hinged Door Removal - All Units .................................................................................................. Page 10

B. Drawer Removal - All Units ......................................................................................................... Page 10

C. Sliding Door - Utility Type ........................................................................................................... Page 10

D. Sliding Glass Door - Display Type ............................................................................................... Page 10

1. LaRosa Type (stainless steel frame) .......................................................................................... Page 10

2. Anthony Type (grey plastic frame) ............................................................................................. Page 10

LUBRICATION

A. Door Hinges .............................................................................................................................. Page 10

B. Roller Bearings .......................................................................................................................... Page 10

N.S.F. STANDARD #7 COMPLIANCE - APRIL 1, 1998

A. Manufactured Before Compliance Date Requirements ................................................................... Page 10

B. Manufactured After Compliance Date Requirements ...................................................................... Page 11

C. Series Models Effected ............................................................................................................... Page 11

FOOD STORAGE PRACTICES

A. In General Refrigerators/Freezers ................................................................................................ Page 11

B. Openings .................................................................................................................................. Page 11

CORRESPONDING - DEALER/SERVICE AGENT/FACTORY ........................................................... Page 11-12

STANDARD COMPONENTS

A. Evaporator Coil .......................................................................................................................... Page 12

B. Condensing Unit ........................................................................................................................ Page 12

C. Gasket Replacement .................................................................................................................. Page 12

BASIC TROUBLE SHOOTING - OPERATOR

A. Noisy operation ......................................................................................................................... Page 12

B. Temperature to high .................................................................................................................. Page 12

C. Excessive or continuous operating time ....................................................................................... Page 12

D. Compressor does not run ........................................................................................................... Page 12

E. Compressor runs, but fans not running ....................................................................................

.... Page 13

F. Condensate Evaporator Overflowing ............................................................................................. Page 13

G. Display Lights not working properly ............................................................................................. Page 13

BASIC TROUBLE SHOOTING - SERVICE TECHNICIAN

A. Compressor does not run ........................................................................................................... Page 13

B. Unit Short Cycles ...................................................................................................................... Page 13

C. Unit Operates Long and Continuously .......................................................................................... Page 13

D. Head Pressure to High ............................................................................................................... Page 14

E. Unit Temperature to High ............................................................................................................ Page 14

F. Head Pressure to Low ................................................................................................................ Page 14

G. Unit is Very Noisy ...................................................................................................................... Page 14

H. Compressor Loses Oil ............................................................................................................... Page 14

I. Frosted or Sweating Suction Line ................................................................................................. Page 14

J. Hot Liquid Line ........................................................................................................................... Page 14

K. Frosted Liquid Line ..................................................................................................................... Page 14

L. Top Condensing unit Coils Cool when unit is operating ................................................................... Page 14

M. Unit on Vacuum - Frost on Expansion Valve Only ......................................................................... Page 14

INDEX

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GENERAL INFORMATION - 80/81/82000 HOT FOOD TABLES AND 83/8400 BUN WARMERS

INSTALLATION

A. Safety Procedures .................................................................................................................... Page 15

B. Gas Connection ........................................................................................................................ Page 15

C. Gas Pressure ........................................................................................................................... Page 15

D. Voltage Requirement ................................................................................................................. Page 15

E. Water Supply ............................................................................................................................ Page 15

OPERATION

A. Important - Wet Only Units ......................................................................................................... Page 15

B. Electric Wet Only or Wet/Dry ..................................................................................................... Page 15

C. Electric Wet Only ...................................................................................................................... Page 15

D. Electric Wet/Dry Warmers - Warranty ......................................................................................... Page 15

E. Junction Boxes .......................................................................................................................... Page 15

F. Power Indicator Lights

1. Electric Wet/Dry Food & Soup Warmers ................................................................................... Page 15

2. Electric Wet-Only Food & Bun Warmers ................................................................................... Page 15

G. Gas Wet Only ........................................................................................................................... Page 15

H. Hot Food Built-Ins, 82000 Series - Wells Warranty ........................................................................ Page 16

LIGHTING - GAS BURNER

A. Procedure ................................................................................................................................. Page 16

B. Gas flow - Orifice

1. Adjustable .............................................................................................................................. Page 16

2. Non-Adjustable ....................................................................................................................... Page 16

C. Efficiency .................................................................................................................................. Page 16

CLEANING

A. Tanks and Pans

1. Normal Cleaning ...................................................................................................................... Page 16

2. Avoid Using ............................................................................................................................ Page 16

3. Deposits ................................................................................................................................. Page 16

INDEX

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WARRANTIES

RECORDING DATA ......................................................................................................................... Page 17

REQUIRED INFORMATION FOR CLAIM PROCEDURE ...................................................................... Page 18

ITEMS NOT COVERED UNDER WARRANTY .................................................................................... Page 19

COMPRESSOR PUMP CLAIM PROCEDURE .................................................................................... Page 20

COMPRESSOR CLAIM PROCEDURE ............................................................................................... Page 21

PARTS CLAIM PROCEDURE ........................................................................................................... Page 22

EQUIPMENT/COMPRESSOR/TERMS & CONDITIONS ...................................................................... Page 23

ADDITIONAL INFORMATION .................................................................................................... Extras

CONGRATULATIONS on your recent purchase of La Rosa food service equipment, and welcome to the growing

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family of satisfied La Rosa customers.
Our reputation for quality products is the result of consistent superior craftsmanship. From the earliest stages of

product design, to successive steps in fabrication, pre-assembly and final assembly, rigid standards of
excellence are maintained by our staff.

Only the finest materials and parts are used in the production of La Rosa equipment. This means that each unit,
given the proper maintenance, will provide you with years of trouble-free service to its owner.

This manual has been compiled to aid in the installation, operation and maintenance of your new equipment.
Please take time to read the material in order to enjoy optimum performance from your La Rosa unit(s).

This booklet is valuable. Refer to it often to familiarize yourself with your new La Rosa equipment. In addition, we
recommend you store the manual in a safe place along with your other valuable documents.

If you have not already done so, please record all the information required on the preceding page, as it will be
necessary to have when communicating with the dealer on service or warranty issues:

SAFETY PROCEDURES

• Always disconnect power cord before attempting to work on or to clean equipment. Turning the switch off

is insufficient, the power remains live to the cabinet and can be a hazard.

• When working on units equipped with casters depress caster brakes to secure unit in place.

• Disconnect plug when appliance is going to be idle for long periods.

• Route the power cord so that it will not be walked on or pinched by other appliances.

• Do not attempt to service this unit yourself, as removing covers may cause unnecessary exposure to

dangerous voltage.

• Your unit includes a grounded plug (plug w/2 blades & grounding post). Do not defeat the purpose by

removing the ground post or using an adaptor without properly grounding the outlet.

• Never connect the unit to a power source while standing in water. Wet hands and wet floors should be

avoided when connecting any electrical appliance to a power outlet.

• Do not overload outlets with too many appliances. This can result in fire or electrical shock.

• When a replacement part is required, always insist on original or equivalent authorized parts.

GENERAL INFORMATION - ALL UNITS

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RECEIVING AND INSPECTING THE EQUIPMENT

A. Receiving: Your equipment comes crated. Maintaining cautious handling while unloading and transporting it
into the building prevents delays and added expenses.

B. Inspection: Visibly check crates, containers and boxes for damage. If so, unpack immediately. Together
with the driver, you should confirm damage or loss. Take a joint inventory and perform an examination of
all contents. Once confirmed, have the driver contact his office. He should also make a proper notation on
the freight bill and sign it. A claim in writing must be filled out. This reinforces your position and rights.
Carriers will provide the necessary form upon request.

C. Concealed Damage: When discovering concealed damage or loss after giving the carrier a clear delivery
receipt. Contact the carrier immediately in writing within ten days from the date of delivery. If you contact
the carrier by phone, you should confirm it in writing to protect our rights. You can only improve your
position as a claimant by promptly reporting such a loss or damage. You should also keep all crates,
cartons and packing materials, until after the inspection or until waived.

D. Filing a Claim: A notation of loss or damage does not start the filing of a claim. You must file a claim
immediately in writing with the carrier. You must file a claim within ten days of delivery.

E. Claim Form: Carriers will provide the necessary form upon request. You should also request an inspection.
If you have called the carrier by phone, follow it up immediately in writing.

INSTALLATION

A. Inspection: Uncrate the unit and check for physical damage. If damage is present, refer to Receiving and
Inspecting the Equipment above. Otherwise, check doors, drawers, and shelves for proper alignment
and operation. For instructions on adjustments refer to page 5. Examine refrigerated and condenser
compartments for damage. If unit is self-contained, check power cord for proper grounding to the junction
box. On refrigerators, check the drain tube for proper alignment with the evaporator pan (if provided).

B. Serial Numbers: Record model and serial number(s) from the unit(s) to page 12 in this manual. This
information will be necessary when corresponding with the dealer or service agency. Self-contained units
have an identification tag mounted to the refrigerated side-wall, behind the louvered panel, in the
condenser compartment. Remote units have an identification tag mounted to the underside of the nosing,
centered on the unit. Hot food units have an identification tag mounted to the left stainless steel side-wall,
under the plate shelf/half panel. Hot food units with drawers have an identification tag mounted to the left
stainless steel side-wall under the plate shelf and behind the drawer front.

C. Warranty Claim Sheet: If you have not already done so, record information in the warranty section of
this manual. This information will be necessary when corresponding with the dealer or service agency.
Also, review the warranty claims forms on pages 15,16,17 of this manual. This information is important
to confirm a claim. If the information is incomplete when filing a claim, it may void the warranty.

D. Pre-Installation: Before contacting a plumbing or electrical contractor for final connections, clean the
installation area thoroughly, removing all crating and packing materials, and equip the site with appropriate
plumbing lines and electrical outlets.

E. Clearances: Adequate clearance above and behind the unit is critical for proper air circulation to the
condensing unit. The bumpers serve as a spacer for air circulation as well as protecting the wall on
portable equipment.

F. Leveling: The legs are equipped with adjustable bullet-type feet. Turn feet clockwise or counterclockwise
until the unit is level. A unit mounted on casters, can have shims placed between the mounting plates and
body support channel. If the floor has a extreme pitch, adjustable casters are available as an option. This
option is not considered a warranty item.