Hussmann ARL Bedienungsanleitung

RV & ARL SERIE

Merchandisers

Medium Temperature

& Low Temperature

Merchandisers

PLEASE READ THIS MANUAL BEFORE USING THE PRODUCT

Installation &

Operation Manual

Shipped With Case Data Sheets

P/N 2400134E

ARV, ARL Series

DECEMBER,2000

HUSSMANN -CORPORATION

Hussmann Monterrey Mexico

Carretera Mexico-Laredo KM. 1009

Cienega de Flores, Nuevo Leon 65550

MEXICO

Phone: (52) 81-8318-6400

Fax: (52) 81-8318-6496

Table of Contents

SHIPPING DAMAGE

General 1-1

Apparent Loss or Damage 1-1

Concealed Loss or Damage 1-1

Location 1-1

PREPARATION OF CABINET FOR OPERATION

Removing Cabinet from Skid 2-1

Leveling Cabinet 2-1

ShelfInstallation 2-1

Doorseal 2-2

FanCycleSwitch 2-2

Lamps 2-2

Sealing case to floor 2-2

EXTERIOR DIMENSION

Exterior Dimensions 3-1

Refrigeration system

Description 4-1

DefrostCycle 4-1

Start up / Operation

Electrical Supply 5-1

Temperature Control 5-1

Lighting 5-1

Defrost Water Evaporation 5-1

Maintenance 6-1

Cabinet Surfaces 6-1

Condenser 6-1

Evaporator Housing 6-1

Merchandiser Electrical Data 6-1

Warranty

IMPORTANT

KEEP THIS MANUAL FOR FUTURE REFERENCE

Quality that sets industry standards

These merchandisers are conform to:

U.L. - Underwriters Laboratories Inc.®

C.U.L. - Canadian Underwriters Laboratories Inc.®

U.L. Sanitation (ANSI/NSF 7 - 1990)

NOM - Norma Oficial Mexicana

ANCE - Asociacion Nacional de Normalización y Certificación del Sector Eléctrico, A.C.

P/N 2400134E 1-#

SHIPPING DAMAGE

General

All equipment should be thoroughly examined for shipping damage before and during unloading.

This equipment has been carefully inspected at our factory and the carrier has assumed responsibility for

safe arrival. If damaged, either apparent or concealed, claim must be made to the carrier.

Apparent Loss Or Damage

If there is an obvious loss or damage, it must be noted on the freight bill or express receipt and signed by

the carrier's agent; otherwise, the carrier may refuse the claim. The carrier will supply necessary forms.

Concealed Loss Or Damage

When loss or damage is not apparent until after equipment is uncrated, a claim for concealed damage must

be made. Upon discovering damage, make the request in writing to carrier for inspection within 15 days

and retain all packing materials and paperwork. The carrier will supply an inspection report and required

claim forms.

Location

These merchandisers are designed for indoor operation with a recommended operating room ambient

temperature range of 65°F (18°C)/50% rh to 90° F (32° C)/65% rh. Their performance is affected by store

air currents when the doors are open. Do NOT allow air conditioning, electric fans, or open doors and

windows to create air currents around these merchandisers, nor should they be exposed to direct sunlight or

other heat sources.

NOTE: The condensing unit draws ambient air through the front of the unit and discharges hot air out the

rear of the unit. In order to maintain proper refrigerator performance and compressor life, a minimum space

of 4" (10 cm) must be maintained between the refrigerator and surrounding surfaces.

PREPARATION OF CABINET FOR OPERATION

Removing Cabinet From Skid

Move the merchandiser as close as possible to its permanent location and remove hold-down brackets at the

front and rear of the cabinet. Check refrigeration lines to see that they are "free" and no damage has

occurred during shipping. Check fan blades for free operation.

Leveling Cabinet

These merchandisers must be installed level (front to back and end to end) to permit maximum draining of

the condensate water as well as proper door alignment and operation.

The merchandiser has been shipped with adjustable cabinet levelers installed. Level the unit by placing a

level on the merchandiser and adjust as required.

Shelf Installation

After the cabinet has been leveled and is in its final position, the shelves may be installed. Shelf spacing is

adjustable by positioning the shelf supports according to your loading requirements.

WARNING

(Low Temp. Models) Do NOT place product directly on floor of merchandiser. Locate bottom shelf in the

lowest position to the floor of the merchandiser (approximately 2" [5 cm] off bottom) before loading.

Failure to comply may result in product loss.

Door

Shelves

Display

Front Grill

Serial Plate

Front of Merchandiser

Door seal (closing mechanisms).

-Hinged Doors. Check to ensure the door torque is capable of closing the door automatically. Open the door

45 degrees and release it, the door should close and seal.

To adjust the torque, place a wrench on each of the 2 nuts located on the bottom hinge. Hold the top wrench

firmly and loosen the bottom nut. Torque is increased or decreased by rotating the top nut. After adjustment

has been made, tighten the bottom nut.

-Sliding Doors. Check to ensure the doors slide properly. Open each door independently half way and

release it, the door should close and seal.

Check the bottom rollers, they must be centered on the stainless steel track.

Fan Cycle Switch (Hinged doors)

The evaporator fan is cycled off upon a door opening by a switch located above each door. This reduces the

amount of warm moist air introduced to the evaporator coil during door openings.

With the door open, depress the switch to ensure the evaporator fan is working.

Lamps.

Turn the lighting switch on to ensure the lamps are operating correctly. Check to ensure the lamps are in

their place and the terminals remain in contact with the lamps supports.

All interior lamps are equipped with a plastic shield, be sure the shield is installed properly.

Sealing Case to Floor

IF REQUIRED by local sanitary codes or if customer so desires, cabinets may be sealed to the floor using a

vinyl Cove Base Trim such as produced by Armstrong, Kentile, Johnson, etc. and available at any floor

covering supplier. The size required will depend on the amount of variation there is in the floor from one

end of the case to the other.

When installing the cove base trim to the base:

1) Remove all dirt, wax and grease from the surface area of the cabinet and floor where adhesion is

necessary to ensure a good, secure installation.

2) Apply a good contact cement to the cove base trim and allow proper drying time according to the

directions supplied with cement.

3) Install the cove base trim so that it is lying flush to the store floor.

4) Caulk remaining cracks and joints as required.

Cove Trim

Cement

Case

400

500

650

850

1050

1350

300 400

650

1050

500

850

1350

ARV-650S

ARV-1050S

ARV-850S

ARV-1350S

ARV-650S

ARV-850S

ARV-1050S

ARV-1350S

ARV

WITH SLIDING DOORS

79 1/4"

28 5/8" 32 1/8"

ARV-654

ARV-854

ARV-1056

ARV-1356

ARV-654

ARV-1056

ARV-854

ARV-1356

79 1/4"

33 3/4"

30 1/4"

ARV

WITH HALF DOORS

ARV/ARL WITH HINGED DOORS

28 1/4" 30 1/4" 28 1/4" 57 " 86 " 30 1/4" 33 3/4"

70 3/4" 79 1/4"

MODEL

Features ARV-300 ARV-400 ARV-500 ARV-650 ARV-850 ARV-1050 ARV-1350

S-4

S-6

Doors 1 1 1 224224336336

Cu. Ft Capacity 17.6 20.5 23.4 44.7 39.1 44.7 51.2 45.6 51.2 69.2 60.5 69.2 79.3 70.6 79.3

Shelves 3 4 4 8 8 12 12

MODEL

Features ARL-300 ARL-400 ARL-500 ARL-650 ARL-850 ARL-1050 ARL-1350

Doors 1112233

Cu. Ft Capacity 17.6 20.5 23.4 44.7 51.2 69.2 79.3

Shelves 4 5 5 10 10 15 15

Specifications subject to change without notice.

REFRIGERATION SYSTEM

Description

All upright merchandisers are equipped with a hermetic or semi-hermetic compressor. The condenser is fin

and tube construction. The air is taken in at the front of the cabinet through the lower grill and discharged

out by the back of the cabinet.

A crankcase pressure regulating valve is utilized on some low temperature models. The purpose of this

valve is to limit the suction pressure AT THE COMPRESSOR during initial cabinet start-up and start-up

after a defrost cycle. IT DOES NOT REGULATE EVAPORATED PRESSURE. The valve is set for a

maximum of 15 pounds of crankcase pressure. In order to check this setting the pressure at the inlet or

evaporator side of the valve must be greater than 15 pounds. Manually initiate a defrost cycle by rotating

the timer dial clockwise until the refrigeration cycle terminates. Install service gauge on the suction service

valve. Observe the pressure on the gauge as the cabinet comes off the defrost cycle. The needle should drop

to valve setting and hold steady. This setting should be a maximum of 15 pounds.

A high pressure limit switch is utilized on all low temperature models. The purpose of this switch is to limit

the discharge pressure of the compressor. This switch will automatically cut off the compressor energy

when the system has too high pressure and start-up the compressor again when the pressure decreases. This

pressure switch is a safety device and will not function during normal case operation. DO NOT remove it

from the system.

Cooling is accomplished by forced air circulation through a finned coil, located in the top of the cabinet.

Air is drawn in at the back of the refrigerated area, and forced through the coil and down the front of the

cabinet.

Defrost Cycle (Low Temperature Models)

The evaporator fin coil is defrosted twice a day for approximately 20 minutes by an electric defrost heater

located on the under side of the coil and secured in place with stainless steel retainer clips.

The defrost cycle is initiated by a time clock located behind the condensing unit and terminated by Defrost

Termination/Fan Delay Switch located on the suction line just before the accumulator. This control not

only terminates the defrost cycle, but delays the fan start-up after the defrost cycle to prevent water from

being blown into the product area. (Note at initial start-up of the cabinet, the evaporator fan will not operate

due to the function of this control. Allow approximately 10 minutes for the control to close).

START UP / OPERATION

Electrical Supply

WARNING

Equipment MUST be GROUNDED!

Wiring of the unit is complete when it is shipped from the factory. The unit is supplied with a three

conductor electrical cord which extends from the rear of the unit. Plug the unit into correct grounded outlet.

It is recommended that a separate circuit be run for each cabinet to prevent the possibility of another

appliance blowing a fuse, causing subsequent loss of product.

Temperature Control

The temperature control is located inside the cabinet at the front of the cooling unit housing. On medium

temperature models the control set at number 4 position will maintain product temperature in a range of

36.to 42°F (2.2 to 5.5°C). The same setting on low temperature models will maintain product temperature

in a range of 0 to 2 °F (-17.8 to -16.6°C).

The control is adjustable by turning the dial one number at a time clockwise to obtain colder temperatures,

turn it counterclockwise to obtain warmer temperatures.

Lighting

Interior light and lighted sign panel are controlled by a manually operated switch. The switch is located on

the front of the cooling unit housing.

Defrost Water Evaporation

External drain plumbing is not required. Behind the cooling unit housing cover, there is a tray for gathering

and directing defrost water from the evaporator coil to the condensing unit area. The pan in the condensing

unit area serves as a reservoir for the storage of the water until it is evaporated by a hot gas loop from the

compressor.

MAS FRIO

COLDER

APAGADO

OFF

MAINTENANCE

Maintenance

Long life and satisfactory performance of any equipment is dependent upon the care given to it. To ensure

efficient operation, proper sanitation and minimum maintenance, the cabinet should be thoroughly cleaned,

debris removed and the interior cleaned regularly.

CAUTION

TO AVOID PERSONAL INJURY OR DAMAGE TO ELECTRICAL COMPONENTS, ALWAYS

DISCONNECT UNIT FROM MAIN POWER SOURCE BEFORE SERVICING OR CLEANING

Cabinet Surfaces (Interior and Exterior)

To preserve finish, the cabinet should be cleaned with a mild solution of soap and warm water only, using a

soft cloth or sponge. DO NOT use any type of caustic soap, abrasive cleaner, or steel wool scouring pads

which can mar the cabinet finish.

Condenser

The air cooled condenser should be cleaned regularly. A dirty condenser restricts air flow, causing

decreased refrigeration efficiency. (Clean every month or as required).

1) With main power supply disconnected, remove louver grill from front of lower cabinet. Most dirt will

collect on the air intake side of the condenser. This is opposite the fan motor.

2) Use a bristle brush to loosen the dust and dirt and remove with a vacuum cleaner. When cleaning

condenser line beware of fin edges as they are sharp.

3) If the merchandiser is located in an area susceptible to grease collecting on the condenser, scrub with a

solution of warm water and detergent. Care should be taken to keep solution away from wiring and

electrical components.

4) Take the fan guard out for fan blades and condenser shroud cleaning, then re-install the fan guard

(optional).

Check for loose items before replacing panel.

Evaporator Housing

The thermostat "OFF" position disconnects the condensing unit only. The evaporator fan motor will be

energized until the door is opened or the unit is disconnected from the main power source. Remove the

fasteners to lower the evaporator housing for cleaning and/or service.

NOTE: Evaporator fan will cycle "OFF" during defrost cycle. Evaporator fan will delay approximately 5 to

10 minutes after each defrost cycle and initial start-up on Low Temperature Models (ARL's).

Merchandiser Electrical Data

Merchandiser data sheets are attached to the back of this manual. The data sheets provide case electrical

data, electrical schematics, parts lists and performance data. Refer to the merchandiser data sheets and case

serial plate for electrical information.

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