hussman FMSS-L User Manual

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Manual

Installation

& Operation

REV. 0708

/CHINO

FMSS-L

CASE-FRONT SELF SERVICE

FMSS-L

CASE-FRONT SELF SERVICE REFRIGERATED MERCHANDISER

P/N IGSS-FMSS-L-0708

INSTALLATION & OPERATION GUIDE

General Instructions

This equipment is to be installed to comply with the applicable NEC, Federal, State , and Local Plumbing and Construction Code h a v in g ju r i s diction.

Table of Contents

General Instructions.....................................................2

Cut and Plan Views ......................................................3

Installation .....................................................................3

Location ..................................................................................... 3

Uncrating the Stand ................................................................... 3

Exterior Loading ......................................................................... 3

Setting and Joining .................................................................... 3

Leveling .....................................................................................3

Joint Trim ................................................................................... 4

Bumper Installation Instructions................................................. 5

Plumbing .......................................................................9

Waste Outlet and P-TRAP ......................................................... 9

Installing Condensate Drain....................................................... 9

Refrigeration .................................................................9

Refrigerant Type ........................................................................ 9

Refrigeration Lines ..................................................................... 9

Control Settings - Remote ......................................................... 9

Control Settings - Self Contained .............................................. 9

Access to TX Valves and Drain Lines ........................................ 9

Electronic Expansion Valve (Optional) ....................................... 9

Thermostatic Expansion Valve Location .................................. 10

Measuring the Operating Superheat........................................ 10

T-STAT Location ...................................................................... 10

Ballast Location .......................................................................10

Electrical...................................................................... 11

Wiring Color Code ................................................................... 11

Electrical Circuit Identication .................................................. 11

Electrical Service Receptacles (When Applicable) .................. 11

Field Wiring and Serial Plate Amperage .................................. 11

Ballast Location ....................................................................... 11

User Information ......................................................... 11

Stocking ................................................................................... 11

Important Steps .......................................................................12

Case Cleaning ......................................................................... 12

Cleaning Glass and Mirrors ..................................................... 12

Plexiglass and Acrylic Care ..................................................... 12

Cleaning ................................................................................... 12

Antistatic Coatings ................................................................... 12

Maintenance ................................................................ 13

Replacing Fluorescent Lamps ................................................. 13

Evaporator Fans ...................................................................... 13

Copper Coils ............................................................................ 13

Tips and Troubleshooting ........................................................ 13

Stainless Steel Cleaning and Care .......................................... 13

Electrical Wiring Diagrams ........................................ 14

Wiring Diagrams .........................................................15

Appendices .................................................................22

Appendix A. - Temperature Guidelines .................................... 22

Appendix B. - Application Recommendations .......................... 22

Appendix C. - Field Recommendations ................................... 22

Appendix D. - Recommendations to User ............................... 23

Keep this booklet with the case at all times for future reference.

This Booklet Contains Information on:

FMSS-L, FMSS-L-L-Remote

The FMSS-L, FMSS-L-L is a single-deck, refrigerated, self-service merchandiser, which offers additional related display when positioned in front of a “Parent” service case.

The FMSS-L, FMSS-L-L only ts under Hussmann Chino

Style cases.

Shipping Damage

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, carrier may refuse claim. The carrier will supply necessary claim forms.

Concealed Loss or Damage

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

request in writing to carrier for inspection within 15 days, and retain all packaging. The carrier will supply inspection report and required claim forms.

Shortages

Check your shipment for any possible shortages of material. If a shortage should exist and is found to be the responsibility of Hussmann Chino, notify Hussmann Chino. If such a shortage involves the carrier, notify the carrier immediately, and request an inspection. Hussmann Chino will acknowledge shortages within ten days from receipt of equipment.

Hussmann Chino Product Control

The serial number and shipping date of all equipment

has been recorded in Hussmann’s les for warranty and

replacement part purposes. All correspondence pertaining to warranty or parts ordering must include the serial number of each piece of equipment involved, in order to provide the customer with the correct parts.

IGSS-FMSS-L-0708

/CHINO

A publication of HUSSMANN® Chino 13770 Ramona Avenue • Chino, California 91710 (909) 628-8942 FAX (909) 590-4910 (800) 395-9229

Rev. 0708

FMSS

Front-Mount Self-Service case. Can be ordered to mount in front

of ANY service case. Base height can be modified to match any

service case bumper height.

ASC

PARENT CASE

FMSS

Height Modified to

match the ASC case

20"

“Field” Close Off

FMSS-L

Self-Service

Remote (Self Contained)

Scale = 1"

16'' Remote

211/2" S.C.

*26

*Dimensions

adjust at theses

points to match

service case

height

113/4"

*10

26'' Remote

" S.C.

37/8" Remote

87/8" S.C.

(VARIABLE LENGTHS)

41/2"

24"

16"

(21

S.C.)

25/8"

Ref. Drop In

Elec.

Drain

FMSS-L

Plan View

Scale = 1/2"

Cut and Plan Views

Location

The refrigerated merchandisers have been designed for use only in air conditioned stores where temperature and humidity are maintained at or below 75°F and 55% relative humidity. DO NOT allow air conditioning, electric fans, ovens, open doors or windows (etc.) to create air currents around the merchandiser, as this will impair its correct operation.

Product temperature should always be maintained at a constant and proper temperature. This means that from the time the product is received, through storage, preparation and display, the temperature of the product must be controlled to maximize life of the product.

Uncrating the Stand

Place the xture as close to its permanent position as

possible. Remove the top of the crate. Detach the walls from each other and remove from the skid. Unbolt the case

from the skid. The xture can now be lifted off the crate

skid. Lift only at base of stand!

Installation

Exterior Loading

These models have not been structurally designed to support excessive external loading. Do not walk on their tops; This could cause serious personal injury and damage

to the xture.

Setting and Joining

The case that the FMSS-L connects to (the parent case) through the rear of the case must be leveled and set prior to installing the FMSS-L. The sectional construction of these models enable them to be joined in line - to give the effect of one continuous display. A joint Trim Kit is supplied with each case line to cosmetically “mask” the sectional joints.

Leveling IMPORTANT! IT IS IMPERATIVE THAT CASES BE LEVELED FROM FRONT TO BACK AND SIDE TO SIDE PRIOR TO JOINING. A LEVEL CASE IS NECESSARY TO INSURE PROPER OPERATION, WATER DRAINAGE, GLASS ALIGNMENT, AND OPERATION OF THE HINGES SUPPORTING THE GLASS. LEVELING THE CASE CORRECTLY WILL SOLVE MOST HINGE OPERATION PROBLEMS.

Fig. 2, #1

It is the contractor’s responsibility to install case(s) according to local construction and

health codes.

Do not use the top bracket on the

rear mullion to pull the cases together.

Proper case-joint sealing is

extremely important to prevent

water leaks!

Installation (Cont'd)

NOTE: A. To avoid removing concrete ooring, begin lineup

leveling from the highest point of the store oor.

B. When wedges are involved in a lineup, set them rst.

All cases were leveled and joined prior to shipment to

insure the closest possible t when cases are joined in the eld. When joining, use a carpenters level and shim

legs accordingly. Case must be raised correctly, under legs where support is best, to prevent damage to case.

1. Check level of oor where cases are to be set. Determine the highest point of the oor; cases will

be set off this point.

2. Level and set the rst case, carefully guiding the

electrical, refrigeration and drain lines through the parent case. Case must be raised under legs where support is best to prevent damage to case. Internal bracing may be removed at this time.

3. Set second case as close as possible to the rst

case carefully guiding its electrical, refrigeration and drain lines through the parent case, and level case

to the rst using the instructions in step one.

4. Apply masking tape 1/8” in from end of case on inside and outside rear mullion on both cases to be joined.

5. Apply liberal bead of case joint sealant (butyl) to

(dotted area shown in gure) rst case. Apply heavy

amount to cover entire shaded area.

DO NOT USE PERMAGUM!

IGSS-FMSS-L-0708

6. Slide second case up to rst case snugly. Then level second case to the rst case so glass front, bumper and top are ush.

7. To compress silicone at joint, use two Jurgenson wood clamps. Make sure case is level from front to back and side to side on inside bulkheads at joint.

8. Attach sections together with the two 3/8” bolts provided, below the deck at the mullion towards the rear of the FMSS-L. Remove clamps.

9. Apply bead of silicone to top of bulkheads and slip on stainless steel bulkhead cap. Also apply silicone to seam between overhead light tubes.

10. VERY IMPORTANT! Apply liberal amounts of black

silicone to ll all voids down to bulkhead.

11. Use nger to smooth silicone as thin as possible at

masking tape on inside and outside of rear mullion (apply additional silicone if necessary). Remove tape applied on line #3.

Joint Trim

After cases have been leveled and joined, and refrigeration, electrical, and wasted piping work completed, install the splashguards. Fasten along the top edge, or center, with #10 X 3/3” sheet metal screws.

DO NOT SEAL JOINT TRIM TO FLOOR!

Rev. 0708

Bumper Installation Instructions

Installation (Cont'd)

Step 1: Make sure the aluminum channel and end caps are installed.

Step 3: Starting on one end: while inserting the bumper, push it up against the end cap to prevent the bumper from shrinking after installation (when it gets cold).

Step 2: Use silicone lubricant to help the bumper slide into the channel.

Step 4: As you insert the bumper into the channel with one hand, pull the bumper toward you with the other to open the inside lips. Slowly apply pressure by rolling the bumper into the track.

IGSS-FMSS-L-0708

Installation (Cont'd)

Boston Series 2000

NOTE: Flexible top: Over cut vinyl 1/8" for every 4' section for the exible top to ensure a proper t.

NOTE: Rigid Top: Do not over cut.

1. Attach the base and end/corner cap to the desired surface by inserting #8 pan head screws through the pre-slotted holes in both the end cap and the base. Insert screws through the two holes of end cap and tighten.

2a. Flexible Top: Butt end of the vinyl top against end/corner cap. While applying pressure, bend back vinyl top so that

vinyl legs are positioned within the base grooves. Roll vinyl top over full length of base, then tap with rubber mallet to ensure vinyl is securely locked into the base.

2b. Rigid Top: Snap the Rigid Top over the Rigid Base.

3. If necessary wipe clean with any household cleaning product.

Helpful Hints:

● For best results, before cutting, install a scrap piece of base into vinyl top to achieve a clean cut.

● Set the uncoiled flexible vinyl at room temperature 24 hours prior to installation.

● Lubricate the inside of the vinyl with soapy water or silicone before installing.

● Over cut the flexible vinyl and compression fit. Adding the additional materials will compensate for stretching which

occurs during installation.

Rev. 0708

Installation (Cont'd)

Boston 2000 Eco Series

2a. Flexible Top: Butt end of the vinyl top against end/corner cap. While applying pressure, bend back vinyl top so that

vinyl legs are positioned within the base grooves. Roll vinyl top over full length of base, then tap with rubber mallet to ensure vinyl is securely locked into the base.

2b. Rigid Top: Snap the Rigid Top over the Rigid Base.

3. If necessary wipe clean with any household cleaning product.

Helpful Hints:

● For best results, before cutting, install a scrap piece of base into vinyl top to achieve a clean cut.

● Set the uncoiled flexible vinyl at room temperature 24 hours prior to installation.

● Lubricate the inside of the vinyl with soapy water or silicone before installing.

● Over cut the flexible vinyl and compression fit. Adding the additional materials will compensate for stretching which

occurs during installation.

IGSS-FMSS-L-0708

Installation (Cont'd)

Boston 1000 Series

NOTE: Flexible top: Over cut vinyl 1/8" for every 4' section for the exible top to ensure a proper t.

NOTE: Rigid Top: Do not over cut.

Installation

2a. Flexible Top: Butt end of the vinyl top against end/corner cap. While applying pressure, bend back vinyl top so that

vinyl legs are positioned within the base grooves. Roll vinyl top over full length of base, then tap with rubber mallet to ensure vinyl is securely locked into the base.

2b. Rigid Top: Snap the Rigid Top over the Rigid Base.

3. If necessary wipe clean with any household cleaning product.

Helpful Hints:

● For best results, before cutting, install a scrap piece of base into vinyl top to achieve a clean cut.

● Set the uncoiled flexible vinyl at room temperature 24 hours prior to installation.

● Lubricate the inside of the vinyl with soapy water or silicone before installing.

● Over cut the flexible vinyl and compression fit. Adding the additional materials will compensate for stretching which

occurs during installation.

Rev. 0708

Plumbing

Waste Outlet and P-TRAP

The waste outlet is located at the left hand end of these

xtures allowing drip piping to be run under the xture

lengthwise. A 1” P-TRAP and threaded adapter are supplied with each

xture. The P-TRAP must be installed to prevent air leakage and insect entrance into the xture.

Installing Condensate Drain

Poorly or improperly installed condensate drains can seriously interfere with the operation of this refrigerator, and result in costly maintenance and product losses. Please follow the recommendations listed below when installing condensate drains to insure a proper installation:

1. Never use pipe for condensate drains smaller than the nominal diameter of the pipe or P-TRAP supplied with the case.

2. When connecting condensate drains, the P-TRAP must be used as part of the condensate drain to prevent air leakage or insect entrance. Store

plumbing system oor drains should be at least 14”

off the center of the case to allow use of the P-TRAP pipe section. Never use two water seals in series in any one line. Double P-TRAPS in series will cause a lock and prevent draining.

Refrigeration

Refrigerant Type

The standard refrigerant will be R-404 unless otherwise

specied on the customer order. Check the serial plate on

the case for information. Piping for more than one case on a condensing unit is run

underground with either common suction and liquid lines from the machine room or individual suction and liquid lines joined together in the machine room.

Refrigeration Lines

Liquid Suction

3/8” O.D. 5/8” O.D.

NOTE: The standard coil is piped at 5/8” (suction); however,

the store tie-in may vary depending on the number of coils and the draw the case has. Depending on the case setup, the connecting point in the store may be 5/8”, 7/8”, or 11/8”. Refer to the particular case you are hooking up.

Refrigerant lines should be sized as shown on the refrigeration legend furnished by the store.

Install P-TRAPS (oil traps) at the base of all suction line vertical risers.

Pressure drop can rob the system of capacity. To keep the pressure drop to a minimum, keep refrigerant line run as short as possible, using the minimum number of elbows. Where elbows are required, use long radius elbows only.

For refrigerators with KOOLGAS defrost, suction, and liquid lines should not contact each other and should be insulated for a minimum of 30’ from the refrigerator. Additional insulation for the balance of liquid and suction lines is recommended and required wherever condensation and dripping would be objectionable.

3. Always provide as much down hill slope (“fall”) as possible; 1/8” per foot is the preferred minimum. PVC pipe, when used, must be supported to maintain the 1/8” pitch and to prevent warping.

4. Avoid long runs of condensate drains. Long runs make it impossible to provide the “fall” necessary for good drainage.

5. Provide a suitable air break between the ood rim of the oor drain and outlet of condensate drain. 1” is

ideal.

6. Prevent condensate drains from freezing:

a. Do not install condensate drains in contact with

non-insulated suction lines. Suction lines should be insulated with a non-absorbent insulation

material such as Armstrong’s Armaex.

b. Where condensate drains are located in dead

air spaces (between refrigerators or between a refrigerator and a wall), provide means to prevent freezing. The water seal should be insulated to prevent condensation.

Control Settings - Remote

See FMSS-L technical data sheet for the appropriate settings for your merchandiser. Maintain these parameters to achieve near constant product temperatures. Product

temperature should be measured rst thing in the morning,

after having been refrigerated overnight. Defrost times should be as directed in the FMSS-L technical data sheet. The number of defrosts per day should never change. The duration of the defrost cycle may be adjusted to meet conditions present at your location.

Control Settings - Self Contained

On Self Contained cases all functions, defrost, fans, temperature are controlled by Pagon ERC-2 controller. See case specs for proper temperature and defrost settings.

Access to TX Valves and Drain Lines Mechanical - Remove product from end of case. Remove

product racks. Remove refrigeration and drain access panels (labeled). TX valve (mechanical only) and drain are located under each access panel at end of the case.

Electronic - The Electronic Expansion valve master and slave cylinder(s) are located within the electrical access panel(s).

Electronic Expansion Valve (Optional)

A wide variety of electronic expansion valves and case controllers can be utilized. Please refer to EEV and controller manufacturers information sheet. Sensors for electronic expansion valves will be installed on the coil inlet, coil outlet, and in the discharge air. (Some supermarkets require a 4th sensor in the return air). Case controllers will be located in the electrical raceway or under the case.

Front of Case

It is the contractor’s responsibility to install case(s) according to local construction and

health codes.

Refrigeration (Cont'd)

Thermostatic Expansion Valve Location

This device is located on the same side as the refrigeration stub. An Alco balanced port expansion valve model is furnished as standard equipment, unless otherwise

specied by customer.

Expansion Valve Adjustment

Expansion valves must be adjusted to fully feed the evaporator. Before attempting any adjustments, make sure the evaporator is either clear or very lightly covered

with frost, and that the xture is within 10°F of its expected

operating temperature.

Measuring the Operating Superheat

1. Determine the suction pressure with an accurate pressure gauge at the evaporator outlet.

2. From a refrigerant pressure temperature chart, determine the saturation temperature at the observed suction pressure.

3. Measure the temperature of the suction gas at the thermostatic remote bulb location.

4. Subtract the saturation temperature obtained in step No. 2 from the temperature measured in step No. 3.

5. The difference is superheat.

6. Set the superheat for 5°F - 7°F.

T-STAT Location

Thermostats are located within the electrical raceway. The raceway location is dependent on the style of the front panel and whether the case is going to be pushed up against a wall.

IGSS-FMSS-L-0708

Ballast Location

Ballast and T-stat are located in the front right hand area of the case, viewed from customer angle.

In all cases, the thermostat is located on the same side of the case. If you are looking at the case from the front, it is the right-hand side. If you are looking at the case from the back, it is the left-hand side.

Rev. 0708

BEFORE SERVICING

ALWAYS DISCONNECT ELECTRICAL

POWER AT THE MAIN DISCONNECT

WHEN SERVICING OR REPLACING ANY

ELECTRICAL COMPONENT.

This includes (but not limited to) Fans, Heaters

Thermostats, and Lights.

Electrical

Wiring Color Code

CASE MUST BE GROUNDED

NOTE: Refer to label afxed to case to determine the actual

conguration as checked in the “TYPE INSTALLED”

boxes.

Electrical Circuit Identication

Standard lighting for all models will be full length uorescent

lamps located on the front of the parent case. The switch controlling the lights is located on the parent case.

Electrical Service Receptacles (When Applicable)

The receptacles located on the exterior of the merchandiser are intended for scales and lighted displays. They are not intended nor suitable for large motors or other external appliances.

User Information

Field Wiring and Serial Plate Amperage

Field Wiring must be sized for component amperes printed on the serial plate. Actual ampere draw may be less than

specied. Field wiring from the refrigeration control panel to

the merchandisers is required for refrigeration thermostats. Case amperes are listed on the wiring diagram, but always check the serial plate.

Ballast Location

Ballasts are located within the access panel that runs the length of the rear of the case. Refer to diagram on page 6.

Stocking

Improper temperature and lighting will cause serious product loss. Discoloration, dehydration and spoilage can be controlled with proper use of the equipment and handling of product. Product temperature should always be maintained at a constant and proper temperature. This means that from the time the product is received, through storage, preparation and display, the temperature of the product must be controlled to maximize life of the product. Hussmann cases were not designed to “heat up” or “cool down” product - but rather to maintain an item’s proper temperature for maximum shelf life. To achieve the protection required always:

1. Minimize processing time to avoid damaging temperature rise to the product. Product should be at proper temperature.

2. Keep the air in and around the case area free of foreign gasses and fumes or food will rapidly deteriorate.

3. Maintain the display merchandisers temperature controls as outlined in the refrigerator section of this manual.

4. Do not place any product into these refrigerators until all controls have been adjusted and they are operating at the proper temperature. Allow merchandiser to operate a minimum of 6 hours before stocking with any product.

5. When stocking, never allow the product to extend beyond the recommended load limit. Air discharge

and return air ow must be unobstructed at all

times to provide proper refrigeration.

6. There are vents located at the base of the front of the glass, just above the front rail. These vents supply a

continuous, gentle ow of air across the front glass

which inhibits condensation. Do not place any signs or other restrictive objects on the front of the refrigerator that will block these vents.

7. Keep the service doors closed (when applicable). Refrigeration performance will be seriously affected if left open for a prolonged period of time.

CLEANING PRECAUTIONS

When cleaning:

• Do not use high pressure water hoses

• Do not introduce water faster then waste outlet can drain

• NEVER INTRODUCE WATER ON SELF CONTAINED UNIT

WITH AN EVPORATOR PAN

• NEVER USE A CLEANING OR SANITIZING SOLUTION THAT HAS AN OIL BASE (these will dissolve the butyl sealants) or an AMMONA BASE (this will corrode the copper components of the case)

• TO PRESERVE THE ATTRACTIVE FINISH:

• DO USE WATER AND A MILD DETERGENT FOR THE

EXTERIOR ONLY

• DO NOT USE A CHLORANITED CLAENER ON ANY SURFACE

• DO NOT USE ABRASIVES OR STEEL WOOL SCOURING PADS (these will mar the finish)

CAUTIO

User Information (Cont'd)

IGSS-FMSS-L-0708

8. Avoid the use of supplemental ood or spot lighting.

Display light intensity has been designed for maximum visibility and product life at the factory.

The use of higher output uorescent lamps (H.O.

and V.H.O.), will shorten the shelf life of the product.

Important Steps

1. Do not set temperature too cold, as this causes product dehydration. Product Temperature: 10°F!.

Set thermostat to cut in at -5°F discharge air.

2. Temperature control should be by means of a T-STAT and Suction Stop Solenoid at each case. Do

not use EPR valves, Liquid Line Solenoids or

electronic control devices of any kind, as these allow temperature swings causing dehydration and excessive energy consumption.

Case Cleaning

Long life and satisfactory performance of any equipment are dependent upon the care given to it. To insure long life, proper sanitation and minimum maintenance costs, the refrigerator should be thoroughly cleaned frequently. SHUT OFF FAN DURING CLEANING PROCESS. It can be unplugged within the case, or shut off case at the source. The interior bottom may be cleaned with any domestic soap or detergent based cleaners. Sanitizing solutions will not harm the interior bottom, however, these solutions should always be used according to the manufacturer’s directions. It is essential to establish and regulate cleaning procedures. This will minimize bacteria causing discoloration which

leads to degraded product appearance and signicantly

shortening product shelf life.

Soap and hot water are not enough to kill this bacteria. A sanitizing solution must be included with each cleaning process to eliminate this bacteria.

1. Scrub thoroughly, cleaning all surfaces, with soap and hot water.

2. Rinse with hot water, but do not ood.

3. Apply the sanitizing solution according to Hussmann’s directions.

4. Rinse thoroughly.

5. Dry completely before resuming operation.

Cleaning Glass and Mirrors

Only use a soft cloth and water for cleaning any glass or mirrored components. Be sure to rinse and/or dry completely.

Never use hot water on cold glass surfaces! It may shatter and cause serious injury! Allow glass surfaces

to warm rst.

Plexiglass and Acrylic Care

Improper cleaning not only accelerates the cleaning cycle but also degrades the quality of this surface. Normal daily

bufng motions can generate static cling attracting dust to

the surface. Incorrect cleaning agents or cleaning cloths can cause micro scratching of the surface, causing the plastic to haze over time.

Cleaning

Hussmann recommends using a clean damp chamois, or a paper towel marketed as dust and abrasive free with 210® Plastic Cleaner and Polish available by calling Sumner Labs at 1-800-542-8656. Hard, rough cloths or paper towels will scratch the acrylic and should not be used.

Antistatic Coatings

The 210® has proven to be very effective in not only cleaning and polishing the Plexiglass surface, but also providing anti-static and anti-fog capabilities. This product also seals pores and provides a protective coating.

Rev. 0708

BEFORE SERVICING

ALWAYS DISCONNECT ELECTRICAL

POWER AT THE MAIN DISCONNECT

WHEN SERVICING OR REPLACING ANY

ELECTRICAL COMPONENT.

This includes (but not limited to) Fans, Heaters

Thermostats, and Lights.

ENCAPSULITE

SHATTERPROOF COATING - SA 10645

Complies with FDA USDA

& OSHA Regulations

for replacement call:

1-800-395-9229

Turn switch off then on after replacing bulb

NSF

FOR PROMPT SERVICE

When contacting the factory,

be sure to have the Case Model and Serial

Number handy. This information is on a plate

located on the case itself.

Replacing Fluorescent Lamps

Fluorescent lamps are furnished with moisture resistant

lamp holders, shields and end caps. Whenever a orescent

lamp is replaced, be certain to reinstall the lamp shield and end caps over the lamp. The lamps supplied are single slim-line or bi-pin type with or without starters.

Evaporator Fans

The evaporator fans are located at the center front of these merchandisers directly beneath the display pans.

Copper Coils

The copper coils used in Hussmann merchandisers may

be repaired in the eld. Materials are available from local

refrigeration wholesalers. Hussmann recommends using #15 Sil-Fos for repairs.

Tips and Troubleshooting Before calling for service, check the following:

1. Check electrical power supply to the equipment for connection.

2. Check xture loading. Overstocking case will affect

its proper operation.

3. If frost is collecting on xture and/or product, check

that Humidity Control is working properly, and that no outside doors or windows are open - allowing moisture to enter store.

Maintenance

Stainless Steel Cleaning and Care

There are three basic things, which can break down your stainless steel’s passivity layer and allow corrosion.

1. Mechanical Abrasion

Mechanical Abrasion means those things that

will scratch the steels surface. Steel Pads, wire Brushes, and Scrapers are prime examples.

2. Water

Water comes out of our tap in varying degrees of

hardness. Depending on what part of the country you live in, you may have hard or soft water. Hard water may leave spots. Also, when heated, hard water leaves deposits behind that if left to sit, will break down the passive layer and rust your stainless steel. Other deposits from food preparation and service must be properly removed.

3. Chlorides

Chlorides are found nearly everywhere. They

are in water, food and table salt. One of the worst perpetrators of chlorides can come from household and industrial cleaners.

Don’t Despair! Here are a few steps that can help prevent stainless steel rust.

1. Use the Proper Tools

When cleaning your stainless steel products, take

care to use non-abrasive tools. Soft Clothes and plastic scouring pads will NOT harm the steel’s passive layer. Stainless steel pads can also be used but the scrubbing motion must be in the same direction of the manufacturer’s polishing marks.

2. Clean With the Polish Lines

Some stainless steels come with visible polishing

lines or “grain”. When visible lines are present, you should ALWAYS scrub in a motion that is parallel to them. When the grain cannot be seen, play it safe and use a soft cloth or plastic scouring pad.

IGSS-FMSS-L-0708

3. Use Alkaline, Alkaline Chlorinated or Non-chloride Containing Cleaners

While many traditional cleaners are loaded

with chlorides, the industry is providing an ever increasing choice of non-chloride cleaners. If you are not sure of your cleaner’s chloride content contact your cleaner supplier. If they tell you that your present cleaner contains chlorides, ask for an alternative. Also, avoid cleaners containing quaternary salts as they also can attack stainless steel & cause pitting and rusting.

4. Treat your Water

Though this is not always practical, softening hard

water can do much to reduce deposits. There

are certain lters that can be installed to remove

distasteful and corrosive elements. Salts in a properly maintained water softener are your friends. If you are not sure of the proper water treatment, call a treatment specialist.

Electrical Wiring Diagrams

5. Keep your Food Equipment Clean

Use alkaline, alkaline chlorinated or non-chlorinated

cleaners at recommended strength. Clean frequently to avoid build-up of hard, stubborn stains. If you boil water in your stainless steel equipment, remember the single most likely cause of damage is chlorides in the water. Heating cleaners that contain chlorides has a similar effect.

6. RINSE, RINSE, RINSE

If chlorinated cleaners are used you must rinse,

rinse, rinse and wipe dry immediately. The sooner you wipe off standing water, especially when sit contains cleaning agents, the better. After wiping the equipment down, allow it to air dry for the oxygen

helps maintain the stainless steel’s passivity lm.

7. Never Use Hydrochloric Acid (Muriatic Acid) on Stainless Steel

8. Regularly Restore/Passivate Stainless Steel

3’

W1400007

Low / Medium Temp

FMSS-L 4’ REM DUAL TEMP 4’

FMSS-L 8’ REM DUAL TEMP 8’

10’

11’

12’

8’

W1400009

W1400015

W1400012

W1400016

W1400017

W1400005

Rev. 0708

DATE:

PROJECT TITLE:

DRAWING #:

DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

Hussmann Corporation, Int'l.

13770 Ramona Avenue

Chino, CA. 91710

(909)-590-4910 Lic.#: 644406

REVISIONS:

#: DESCRIPTION:

CHECKED BY:

BY:

FILE LOCATION:

M. KIMURA

PAGE OF1

05/12/04

A (2) 125-01-3234A was (1) 125-01-0493 9/5/07 JR

FMSS-L/M CASES

W1400007

3' CASE - ELECTRIC DEFROST

6 3

824

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

RELAY OMRON

G7L-2A-TUBJ-CB-AC24D

125-01-3182A

RELAY MARS

90249Q

225-01-2045

BALLAST 125-01-3266

FULHAM LH3-120-L

G N L

L1 L2

~ 120VAC

60Hz.

~208/~240VAC - 60Hz.

Defrost

120 V

Refrig

120 V

KLIXON™ THERMODISK

20420L15-913-302

L20-1.5

00003382

RELAY MARS

90249Q

225-01-2045

6 3

TEMPERATURE

TOGGLE

SWITCH

LIGHT

TOGGLE

SWITCH

MEDIUM TEMP

THERMOSTAT

A19AGD-21

225-01-0707

LOW TEMP

THERMOSTAT

A19AGD-21

225-01-0707

EVAP FAN MOTORS

(1) 3 1/2" AXIAL FANS

EBM-PAPST 3306

00001212A

0.12 AMPS @ 120V

DEFROST HEATERS (18")

(2) 660W 2.75A @ 240VAC

125-01-3234A

CAP UNUSED RED LEAD

TO DEFROST CONTROL PANEL

CONDUCTIVE GLASS HEATER

20 W/FT @ 120VAC (60W 0.5A)

ANTI SWEAT HEATER

10 W/FT @ 120VAC (30W .25A)

125-01-0767

SOLENOID VALVE

225-01-3206

CANOPY LIGHTING

FP21T5/830

125-03-1128

BLK # 14

WHT # 14

GRN # 14

BLK # 14

RED # 14

LIGHT CIRCUIT= 0.2A 21W

CIRCUIT #1

208 V 240 V

5.7

4.8

6.6

5.5

Wiring Diagrams

DATE:

PROJECT TITLE:

DRAWING #:

DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

Hussmann Corporation, Int'l.

13770 Ramona Avenue

Chino, CA. 91710

(909)-590-4910 Lic.#: 644406

REVISIONS:

#: DESCRIPTION:

CHECKED BY:

BY:

FILE LOCATION:

D.QUAN

PAGE OF1 1

03/17/05

123

FMSS-L/M CASES

W1400009

8' CASE - ELECTRIC DEFROST-DUAL TEMP

6 3

6028 4

135 2

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

RELAY OMRON

G7L-2A-TUBJ-CB-AC24D

125-01-3182A

RELAY MARS

90249Q

225-01-2045

G N L

L1 L2

~ 115VAC

50/60Hz.

~208/~240VAC - 1Ø - 50/60Hz.

Defrost

115 V

Case

115 V

RELAY MARS

90249Q

225-01-2045

6 3

TEMPERATURE

TOGGLE SWITCH

MEDIUM TEMP

THERMOSTAT

A19AGD-21 225-01-0707

SOLENOID VALVE

LOW TEMP

THERMOSTAT

A19AGD-21

225-01-0707

SOLENOID VALVE

DEFROST FINNED HEATERS

(1) 2250W @ 240VAC

00000262

LIGHT SWITCH

TOGGLE

125-01-0329

CANOPY LIGHTING

(2) FP28T5/830

EVAPORATOR MOTORS

EBM-PAPST™ MODEL 3306

(3) 3½" AXIAL / 0.12A @ 115V

00001212A

CONDUCTIVE GLASS

HEATER

0.64A @ ~115 VAC

150-01-7796

BALLAST 125-01-3266

FULHAM LH3-120-L

(2) 125-01-0767

RAYCHEM

10BUT-CR-10W

ANTI-SWEAT HEATER

(CASE LENGTH)

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

KLIXON™ THERMODISK

20420L15-913-302

L20-1.5

00003382

POWER:

~208/240 VAC - 1Ø - 50/60Hz. - 4W

NOTE:

CASE MUST BE GROUNDED

FM S S - L/ M - 8

R EM O TE

TOTAL AM PS = 3.3 @ 240 VAC

ELE C T R IC A L

EVAP FA NS 1 @

0.12 A MPS 115V

GLASS HEATERS

SOLENOID VA LV E

R EF R I GE R A T I ON

3 DEFROSTS DAILY

@ 26 M IN (ELECTRIC)

EVAP TEM P

-20 °F

CASE TEMP

-5°

115 V

L1 4.37L2L3

208 V

8.83

240 V

9.33

NOTE:

CASE MUST BE GROUNDED

IGSS-FMSS-L-0708

Wiring Diagrams (Cont'd)

Rev. 0708

DATE:

PROJECT TITLE:

DRAWING #:

DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

Hussmann Corporation, Int'l.

13770 Ramona Avenue

Chino, CA. 91710

(909)-590-4910 Lic.#: 644406

REVISIONS:

#: DESCRIPTION:

CHECKED BY:

BY:

FILE LOCATION:

D.QUAN

PAGE OF1 1

02/24/06

123

FMSS-L/M CASES

W1400015

10' CASE - ELECTRIC DEFROST-DUAL TEMP

6 3

6028 4

135

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

RELAY OMRON

G7L-2A-TUBJ-CB-AC24D

125-01-3182A

RELAY MARS

90249Q

225-01-2045

G N L

L1 L2

~ 115VAC

50/60Hz.

~208/~240VAC - 1Ø - 50/60Hz.

Defrost

115 V

Case

115 V

RELAY MARS

90249Q

225-01-2045

6 3

TEMPERATURE TOGGLE

SWITCH

125-01-0329

MEDIUM TEMP

THERMOSTAT

A19AGD-21 225-01-0707

LOW TEMP

THERMOSTAT

A19AGD-21

225-01-0707

SOLENOID VALVE

225-01-3206

DEFROST HEATERS (FINNED HEATER)

(1) 00000259 (1200W 36" 240VAC )

(1) 00000258 (1200W 36" 240V AC)

LIGHT SWITCH

TOGGLE

125-01-0329

EVAPORATOR MOTORS

EBM-PAPST™ MODEL 3306

(4) 3½" AXIAL / 0.12A @ 115V

00001212A

CONDUCTIVE GLASS

HEATER

0.64A @ ~115 VAC

(1) 150-01-5421

(2) 125-01-0767

RAYCHEM

10BUT-CR-10W

ANTI-SWEAT HEATER

(CASE LENGTH)

10W/FT

125-01-0767

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

KLIXON™ THERMODISK

20420L15-913-302

L20-1.5

(2) 00003382

CANOPY LIGHTING

(2) FP35/T5/830

60"

125-03-1134

CAP OFF WIRE

NOTE: THIS A SPECIAL WIRING DIAGRAM FOR 5FT & 5FT TOGETHER

CAP OFF WIRE

15 AMP FUSE

125-01-3282

FUSE HOLDER

125-01-3283

BALLAST 125-01-3265

FULHAM LH2-120-L

BALLAST 125-01-3265

FULHAM LH2-120-L

POWER:

~208/240 VAC - 1Ø - 50/60Hz.

NOTE:

CASE MUST BE GROUNDED

115 V

L1 4.8

208 V

8.5

240 V

10.0

NOTE:

CASE MUST BE GROUNDED

Wiring Diagrams (Cont'd)

IGSS-FMSS-L-0708

DATE:

PROJECT TITLE:

DRAWING #:

DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

Hussmann Corporation, Int'l.

13770 Ramona Avenue

Chino, CA. 91710

(909)-590-4910 Lic.#: 644406

REVISIONS:

#: DESCRIPTION:

CHECKED BY:

BY:

FILE LOCATION:

D.QUAN

PAGE OF1 1

09/07/04

123

FMSS-L/M CASES

W1400012

11' CASE - ELECTRIC DEFROST-DUAL TEMP

6 3

6028 4

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

RELAY OMRON

G7L-2A-TUBJ-CB-AC24D

125-01-3182A

RELAY MARS

90249Q

225-01-2045

G N L

L1 L2

~ 115VAC

50/60Hz.

~208/~240VAC - 1Ø - 50/60Hz.

Defrost

115 V

Case

115 V

RELAY MARS

90249Q

225-01-2045

6 3

TEMPERATURE

TOGGLE SWITCH

MEDIUM TEMP

THERMOSTAT

A19AGD-21 225-01-0707

SOLENOID VALVE

LOW TEMP

THERMOSTAT

A19AGD-21

225-01-0707

SOLENOID VALVE

DEFROST HEATERS (FINNED HEATER)

(1) 00000259 (1200W 36" 240VAC)

(1) 00000260 (2000W 54" 240VAC)

LIGHT SWITCH

TOGGLE

125-01-0329

CANOPY LIGHTING

(2) FP21/T5/830

125-03-1128

EVAPORATOR MOTORS

EBM-PAPST™ MODEL 3306

(4) 3½" AXIAL / 0.12A @ 115V

00001212A

CONDUCTIVE GLASS

HEATER

0.64A @ ~115 VAC

(1) 150-01-7797

(1) 150-01-5421

(2) 125-01-0767

RAYCHEM

10BUT-CR-10W

ANTI-SWEAT HEATER

(CASE LENGTH)

10W/FT

125-01-0767

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

KLIXON™ THERMODISK

20420L15-913-302

L20-1.5

(2) 00003382

CANOPY LIGHTING

(1) FP35/T5/830

125-03-1134

CAP OFF WIRE

NOTE: THIS A SPECIAL WIRING DIAGRAM FOR 6FT & 5FT TOGETHER

BALLAST 125-01-3267

FULHAM LH4-120-L

BALLAST 125-01-3265

FULHAM LH2-120-L

POWER:

~208/240 VAC - 1Ø - 50/60Hz.

NOTE:

CASE MUST BE GROUNDED

115 V

L1 3.6

208 V

11.3

240 V

13.3

NOTE:

CASE MUST BE GROUNDED

Wiring Diagrams (Cont'd)

Rev. 0708

DATE:

PROJECT TITLE:

DRAWING #:

DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

Hussmann Corporation, Int'l.

13770 Ramona Avenue

Chino, CA. 91710

(909)-590-4910 Lic.#: 644406

REVISIONS:

#: DESCRIPTION:

CHECKED BY:

BY:

FILE LOCATION:

D.QUAN

PAGE OF1 1

05/16/06

123

FMSS-L/M CASES

W1400016

12' CASE - ELECTRIC DEFROST-DUAL TEMP

6 3

6028 4

135

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

RELAY OMRON

G7L-2A-TUBJ-CB-AC24D

125-01-3182A

RELAY MARS

90249Q

225-01-2045

G N L

L1 L2

~ 115VAC

50/60Hz.

~208/~240VAC - 1Ø - 50/60Hz.

Defrost

115 V

Case

115 V

RELAY MARS

90249Q

225-01-2045

6 3

TEMPERATURE TOGGLE

SWITCH

125-01-0329

MEDIUM TEMP

THERMOSTAT

A19AGD-21 225-01-0707

LOW TEMP

THERMOSTAT

A19AGD-21

225-01-0707

SOLENOID VALVE

225-01-3206

DEFROST HEATERS (FINNED HEATER)

(1) 00000260 (2000W 54" 240VAC )

(1) 00000260 (2000W 54" 240V AC)

LIGHT SWITCH

TOGGLE

125-01-0329

EVAPORATOR MOTORS

EBM-PAPST™ MODEL 3306

(4) 3½" AXIAL / 0.12A @ 115V

00001212A

CONDUCTIVE GLASS

HEATER

60W @ ~115 VAC

(1) 150-01-7797

(2) 125-01-0767

RAYCHEM

10BUT-CR-10W

ANTI-SWEAT HEATER

(CASE LENGTH)

10W/FT

125-01-0767

RELAY MARS 90341

COIL:~115V

PN:125-01-1343

KLIXON™ THERMODISK

20420L15-913-302

L20-1.5

(2) 00003382

NOTE: THIS A SPECIAL WIRING DIAGRAM FOR 6FT & 6FT TOGETHER

15 AMP FUSE

125-01-3282

FUSE HOLDER

125-01-3283

F21T5-36"

125-03-1129

F21T5-36"

125-03-1129

F21T5-36"

125-03-1129

F21T5-36"

125-03-1129

BALLAST 125-01-3266

FULHAM LH3-120-L

BALLAST 125-01-3266

FULHAM LH3-120-L

POWER:

~208/240 VAC - 1Ø - 50/60Hz.

NOTE:

CASE MUST BE GROUNDED

115 V

L1 5.7

208 V

14.1

240 V

16.7

NOTE:

CASE MUST BE GROUNDED

Wiring Diagrams (Cont'd)

IGSS-FMSS-L-0708

DATE:

PROJECT TITLE:

DRAWING #:

DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

Hussmann Corporation, Int'l.

13770 Ramona Avenue

Chino, CA. 91710

(909)-590-4910 Lic.#: 644406

REVISIONS:

#: DESCRIPTION:

CHECKED BY:

BY:

FILE LOCATION:

JESSE RIOS

PAGE OF1

6/19/07

FMSS-L CASE

W1400017

4' DUAL TEMP FMSS-L CASE

CIRCUIT #1

208 V 240 V

11.4

9.6

12.9

11.1

G N L

L1 L2

~ 120VAC

50/60Hz.

~208/~240VAC -50/60Hz.

Defrost

120 V

Refrig

120 V

KLIXON™ THERMODISK

20420L15-913-302

L20-1.5

00003382

TEMPERATURE

TOGGLE

SWITCH

LIGHT

TOGGLE

SWITCH

MEDIUM TEMP

THERMOSTAT

A19AGD-21

225-01-0707

LOW TEMP

THERMOSTAT

A19AGD-21

225-01-0707

SOLENOID VALVE

225-01-3206

EVAP FAN MOTORS

(2) 3 1/2" AXIAL FANS

EBM-PAPST 3306

00001212A

0.12 AMPS @ 115V

DEFROST HEATERS (24" FINNED)

(1) 2000W 9.6A @ 208VAC

00000260

BALLAST 125-01-3266

FULHAM LH3-120-L

CANOPY LIGHTING

(2) FP28T5/830

125-03-1131

RELAY MARS

90249Q

225-01-2045

RELAY MARS

90249Q

225-01-2045

RELAY MARS 90341

COIL: ~110/120VAC

(2)125-01-1343

RELAY OMRON

G7L-2A-TUBJ-CB-120A

125-01-3182

CONDUCTIVE GLASS HEATER

20 W/FT @ 120VAC (80W .67A)

ANTI SWEAT HEATER

10 W/FT @ 120VAC (40W .33A)

125-01-0767

TO DEFROST CONTROL PANEL

Wiring Diagrams (Cont'd)

Rev. 0708

DATE:

PROJECT TITLE:

DWG #:DRAWN BY:

PRODUCTION ORDER #:

DRAWING TITLE:

DATE:

REVISIONS:

:YB DEKCE

H C:NOITPIRCSED :#

BY:

FILE LOCATION:

ADRIAN E. CRISCI

AEC

PAGE OF

HUSSMANN® CORPORATION

13770 RAMONA AVENUE

CHINO, CA.91710

(909) 590-4910 LIC.#: 644406

1 1

11/07/02

H:\WIRESCHEMATICS\NEW-W IRING

FMSS-L CASES

W1400005

8' DUAL TEMP FMSS-L CASE

BALLAST 125-01-3266

FULHAM LH3-120-L

RELAY OMRON

G7L-2A-TUBJ-CB-120A

125-01-3182

RELAY MARS

90249Q

225-01-2045

LIGHT SWITCH

TOGGLE

125-01-0329

KLIXON™ THERMODISK

3NT-01F-D1460

F35-1.5

225-01-2046

RELAY MARS 90341

COIL: ~110/120VAC

125-01-1343

125-01-0767

RAYCHEM

10BUT-CR-10W

TEMPERATURE

SWITCH TOGGLE

125-01-0329

CANOPY LIGHTING

(2) FP28T5/830

LOW TEMP.

T-STAT

MEDIUM TEMP.

T-STAT

LIQUID LINE

SOLENOID

M M M

EVAPORATOR MOTORS

EBM-PAPST™ MODEL 3306

(3) 3½" AXIAL / 0.12A @ 115V

00001212A

RELAY MARS

90249Q

225-01-2045

ANTI-SWEAT HEATER

(CASE LENGTH)

CONDUCTIVE GLASS

HEATER

0.64A @ ~115 VAC

150-01-7796

DEFROST HEATER

(FINNED)

(1) 2250W@ ~208 VAC

00000262

POWER:

208 ~ 240 VAC - 1Ø - 50/60 HZ

125-01-0767

RAYCHEM

10BUT-CR-10W

ANTI-SWEAT HEATER

(CASE LENGTH)

Wiring Diagrams (Cont'd)

Appendices

IGSS-FMSS-L-0708

Appendix A. - Temperature Guidelines

The refrigerators should be operated according to the

manufacturer’s published engineering specications for entering air temperatures for specic equipment applications.

Table 1 shows the typical temperature of the air entering the food zone one hour before the start of defrost and one hour after defrost for various categories of refrigerators. Refer to Appendix C for Field Evaluation Guidelines.

Table 1

Type of Refrigerator

I. OPEN DISPLAY A. Non frozen:

1) Meat 28°F

2) Dairy/Deli 32°F

3) Produce a. Processed 36°F b. Unprocessed 45°F B. Frozen 0°F C. Ice Cream -5°F II. CLOSED DISPLAY A. Non frozen:

1) Meat 34°F

2) Dairy/Deli 34°F

3) Produce a. Processed 36°F b. Unprocessed 45°F B. Frozen 0°F C. Ice Cream -5°F

Single Deck Multi Deck Service Case Reach-In

I. Open Display Styles II. Closed Display Styles

Typical Entering Air Temperature

Appendix B. - Application Recommendations

1.0 Temperature performance is critical for controlling bacteria growth. Therefore, the following recommendations are included in the standard.

They are based on conrmed eld experience

over many years.

1.1 The installer is responsible for following the installation instructions and recommendations provided by Hussmann for the installation

of each individual type refrigerator.

1.2

Refrigeration piping should be sized according to the equipment manufacturer’s recommendations and installed in accordance with normal refrigeration practices. Refrigeration piping should be insulated according to Hussmann’s recommendations.

1.3 A clogged waste outlet blocks refrigeration. The installer is responsible for the proper installation of the system which dispenses condensate waste through an air gap into the building indirect waste system.

1.4 The installer should perform a complete start-up evaluation prior to the loading of food into the refrigerator, which includes such items as:

a) Initial temperature performance, Coils should

be properly fed with a refrigerant according to manufacturer’s recommendations.

b) Observation of outside inuences such

as drafts, radiant heating from the ceiling

and from lamps. Such inuence should be

properly corrected or compensated for.

c) At the same time, checks should be made of

the store dry-bulb and wet-bulb temperatures to ascertain that they are within the limits prescribed by Hussmann.

d) Complete start-up procedures should include

checking through a defrost to make certain of its adequate frequency and length without substantially exceeding the actual needs. This should include checking the electrical or refrigerant circuits to make sure that defrosts are correctly programmed for all the refrigerators connected to each refrigeration system.

e) Recording instruments should be used to

check performance.

Appendix C. - Field Recommendations

Recommendations for eld evaluating the

performance of retail food refrigerators

1.0 The most consistent indicator of display refrigerator performance is temperature of the air entering the product zone (see Appendix A). In practical use, the precise determination of return

air temperature is extremely difcult. Readings of

return air temperatures will be variable and results will be inconsistent. The product temperature alone is not an indicator of refrigerator performance.

NOTE: Public Health will use the temperature of the product in

determining if the refrigerator will be allowed to display potentially hazardous food. For the purpose of this evaluation, product temperature above the FDA Food Code 1993 temperature for potentially hazardous food

will be the rst indication that an evaluation should

be performed. It is expected that all refrigerators will keep food at the FDA Food Code 1993 temperature for potentially hazardous food.

Rev. 0708

Appendices (Cont'd)

1.1 The following recommendations are made for the purpose of arriving at easily taken and understood data which, coupled with other observations, may be used to determine whether a display refrigerator is working as intended:

a) INSTRUMENT - A stainless steel stem-type

thermometer is recommended and it should have a dial a minimum of 1 inch internal diameter. A test thermometer scaled only in Celsius or dually scaled in Celsius and Fahrenheit shall be accurate to 1°C (1.8°F). Temperature measuring devices that are scaled only in Fahrenheit shall be accurate to 2°F. The thermometer should be checked for proper calibration. (It should read 32°F when the stem is immersed in an ice water bath).

b) LOCATION - The probe or sensing element

of the thermometer should be located in

the airstream where the air rst enters the

display or storage area, and not more than 1 inch away from the surface and in the center of the discharge opening.

c) READING - It should rst be determined

that the refrigerator is refrigerating and has operated at least one hour since the end of the last defrost period. The thermometer reading should be made only after it has been allowed to stabilize, i.e., maintain a constant reading.

d) OTHER OBSERVATIONS - Other

observations should be made which may indicate operating problems, such as unsatisfactory product, feel/appearance.

e) CONCLUSIONS - In the absence of any

apparent undesirable conditions, the refrigerator should be judged to be operating properly. If it is determined that such condition is undesirable, i.e., the product is above proper temperature, checks should be made for the following:

1. Has the refrigerator been loaded with warm product?

2. Is the product loaded beyond the “Safe Load Line” markers?

3. Are the return air ducts blocked?

4. Are the entering air ducts blocked?

5. Is a dumped display causing turbulent air

ow and mixing with room air?

6. Are spotlights or other high intensity lighting directed onto the product?

7. Are there unusual draft conditions (from heating/air-conditioning ducts, open doors, etc.)?

8. Is there exposure to direct sunlight?

9. Are display signs blocking or diverting

airow?

10. Are the coils of the refrigerator iced up?

11. Is the store ambient over 75°F, 55% RH as set forth in ASHRAE Standard 72 and ASHRAE Standard 117?

12. Are the shelf positions, number, and size other than recommended by Hussmann?

13. Is there an improper application or control system?

14. Is the evaporator fan motor/blade inoperative?

15. Is the defrost time excessive?

16. Is the defrost termination, thermostat (if used) set too high?

17. Are the refrigerant controls incorrectly adjusted?

18. Is the air entering the condenser above

design conditions? Are the condenser ns

clear of dirt, dust, etc.?

19. Is there a shortage of refrigerant?

20. Has the equipment been modied

to use replacements for CFC-12, CFC-502 or other refrigerant? If so,

have the modications been made in

accordance with the recommendations of the equipment manufacturer? Is the refrigerator charged with the proper refrigerant and lubricant? Does the system use the recommended compressor?

Appendix D. - Recommendations to User

1.0 Hussmann Corporation provides instructions and recommendations for proper periodic cleaning. The user will be responsible for such cleaning, including the cleaning of low temperature equipment within the compartment and the cooling coil area(s). Cleaning practices, particularly with respect to proper refrigerator unloading and warm-up, must be in accordance with applicable recommendations.

Appendices (Cont'd)

IGSS-FMSS-L-0708

1.1 Cleaning of non frozen food equipment should include a weekly cleaning of the food compartment as a minimum to prevent bacteria growth from accumulating. Actual use and products may dictate more frequent cleaning. Circumstances of use and equipment design must also dictate the frequency of cleaning the display areas. Weekly washing down of the storage compartment is also recommended, especially for equipment subject to drippage of milk or other liquids, or the collection of vegetable, meat, crumbs, etc. or other debris or litter. Daily cleaning of the external areas surrounding the storage or display compartments with detergent and water will keep the equipment presentable and prevent grime buildup.

1.2 Load levels as dened by the manufacturer must

be observed.

1.3 The best preservation is achieved by following these rules:

a) Buy quality products. b) Receive perishables from transit equipment

at the ideal temperature for the particular product.

c) Expedite perishables to the store’s storage

equipment to avoid unnecessary warm-up and prolonged temperature recovery. Food store refrigerators are not food chillers nor can they reclaim quality lost through previous mishandling.

d) Care must be taken when cross

merchandising products to ensure that potentially hazardous vegetable products are not placed in non refrigerated areas.

e) Display and storage equipment doors should

be kept closed during periods of inactivity.

f) Minimize the transfer time of perishables

from storage to display.

g) Keep meat under refrigeration in meat cutting

and processing area except for the few moments it is being handled in processing. When a cut or tray of meat is not to be worked on immediately, the procedure should call for returning it to refrigeration.

h) Keep tools clean and sanitized. Since

mechanical equipment is used for fresh meat processing, all such equipment should be cleaned atleast daily and each time a different kind of meat product comes in contact with the tool or equipment.

i) Make sure that all refrigeration equipment is

installed and adjusted in strict accordance with the manufacturer’s recommendations.

j) See that all storage and refrigeration

equipment is kept in proper working order by routine maintenance.

For further technical information, please log on to http://www.hussmann.com/products/FMSS-L.htm

IGSS-FMSS-L-0708

Service Record

Last service date: By:

_______________ __________________________________________________________________________________________________

/Chino

Additional copies of this publication may be obtained by contacting:

Hussmann® Chino 13770 Ramona Avenue • Chino, California 91710 (909) 628-8942 FAX (909) 590-4910 (800) 395-9229

The MODEL NAME and SERIAL NUMBER is required in order to provide you with the correct parts and information for your particular unit.

They can be found on a small metal plate on the unit. Please note them below for future reference.

MODEL:

SERIAL NUMBER:

hussman FMSS-L User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual