hussman GSVM User's Manual
Contents
1. TABLE OF CONTENTS Introduction Inspection Location and Clearance Skid Leveling Sealing Access Panel Removal Legs Serial Plate Air distribution and Product Loading Power Requirements Electrical Box Power Switch Defrost Time Clock Connections Drains Dimensions Electrical BTU Capacity Shelving Maximum Weight Capacities Temperature Control Condensing Unit Shelves Thermometer Lighting Light Switches Ballasts Cleaning Exterior Interior Stainless Steel Surfaces Page an 7 10 TABLE OF CONTENTS CON T Page Refrigeration 11 Leak Testing 12 Evacuation 12 Temperature Control 13 Evaporator Fan Motors 13 Trouble Shooting Charts 14 16 GSVM Accessories 16 17 Warranty and Parts Information 17 Wiring Diagrams 18 21 This GSVM case was manufactured in Gloversville New York Our phone s 518 725 0644 for New York State residents and our toll free 800 753 7790 for outside New York should you have further questions INTRODUCTION The Hussmann Model GSVM open vertical merchandiser offers versatility in the display of medium temperature 35 41 F products such as diary products prepared salads pizza and fresh entrees that are pre chilled in a cooler So that you can realize maximum benefit from this fine piece of equipment we urge both you and your installer to carefully read and follow this brief set of inst2. Bulb replacement may be necessary New bulbs tend to flicker until used Ballast Hums 1 Check voltage 2 Replace ballast GSVM ACCESSORIES The following is a description of the various accessories available for the GSVM including sketches where applicable of the many shelving wire goods items available CASTER KIT Consists of 5 braking casters which screw in to the standard threaded holes in the four corners under the case occupied by the standard leg levelers which will have to be removed The kit will add 5 5 8 to the height of the case LEG KIT The legs also go into the same holes as the standard levelers which will have to be removed The legs are adjustable and will add 5 5 16 to the height of the case The skirt kit requires the use of these legs 4 SIDED SKIRT KIT As stated this is a 4 sided skirt that will enclose the open area under the case when the leg kit is used It clamps onto the legs NIGHT COVER This is a clear 5 mil thick polyester shade type of cover that will cover the face of the case It will fasten to the top of the case and be drawn to a snap fastener in the area above the front bumper The cover although loose fitting on the ends will conserve energy during periods when the store is not open The cover is standard on the GSVM5272 effective August 96 WRAP AROUND BUMPER KIT This bumper replaces the standard front bumper and warps around both sides of the case at the standard height
3. LIGHT LIGHT SWITCH UPPER LIGHT WIRE HARNESS 0 BLK TEMP CONTROL TIME CLOCK WHT ELEC TRON COND FANS PROTECTOR 3 1 RELAY ae R BLK POWER SWITCH 115V 2 2 1Ph USE COPPER CONDUCTORS ONLY FIELD WIRING seas A ane SCALE 11 GSVM5272 HUSSMAnH WIRING DIAGRAM 100 1872 UPPER LIGHT WIRE HARNESS SHELF LIGHT TEMP CONTROL TIME CLOCK OPTIONAL CONDENSATE PAN eer 1000W SA 120V1 GSVM 52072 R 404A TOLERANCES UNLESS HUSSMAnn FRACTIONAL 132 Gloversville N Y 12078 DECIMAL t pa WIRING DIAGRAM A cone 100 2185 1
4. The 13 shelf should be lo cated at the top and 15 s helf s hould be lo cated below it The GSV M5272 and 4072 has an additional 13 shelf as standard which should be located above the 15 shelf also The shelves should be positioned so they do not protrude into the front top to bottom air curtain Do not use deeper shelves or allow product to protrude over the shelves into the air curtain THERMOMETER A solar thermometer is provided that regis ters degrees F The thermome ter is located in the front center A solar powered thermometer is equipped with each cabinet The ther mometer is located in the top front center of the cabinet interior Temperature is dis played in Fahrenheit degrees as standard Celsius display is available as an option The thermometer may be replaced by removing the two screws securing thermometer to is mounting bracket Re move the sensing element from the clip Install the new thermometer in reverse or der To clean the sensing element of the thermometer follow the same procedure as replacement Cleaning of the element is accomplished by using water and mild de tergent Be sure to wipe the element clean of any residues so proper temperatures are displayed 10 LIGHTING Interior lighting is provided by a cool white fluorescent bulb under the top header standard and additional lights under each shelf The tubes are sleeved to maintain proper heat around the
5. are equipped for operation on a 115 60 1 power supply See chart in specifications for requirements It is very important for the safety of both you and your customer to have each circuit properly grounded A qualified electrician should perform all wiring in accordance with the National Electrical Code and or all local codes Separate circuits are recommended for each case in order to prevent product loss due to overloading or malfunction of other equipment on the same circuit For proper operation of equipment voltage as measured at the compressor must not vary more than 5 from the cabinet serial plate rating If either a high or low voltage condition exists contact your electrician local power company or equipment manufacturer ELECTRICAL The electrical box is located behind the louvered access panel The box is capable of sliding out for service after the hold down screw is removed The box contains the power switch and defrost time clock POWER SWITCH The main power switch is located behind the front louvered access panel on the side of the electrical box This power switch controls all power to the case THE CABINET POWER SWITCH MUST BE IN THE OFF POSITION BEFORE STARTING ANY CLEANING OR SERVICE WORK ON THE EQUIPMENT DEFROST TIME CLOCK The time clock located in the electrical box provides a definite off time so that the evaporator will clear itself of frost The clock is provided with
6. bulb for maximum light intensity and to protect the product in case of breakage The tubes can be replaced without removing shelves or product To replace the bulb twist the bulb and slide the prongs clear of the lampholder When re installing this type of bulb be sure the prongs on the bulb twist and lock into place LIGHT SWITCH es The standard case has one upper light with a switch located under the top left end behind the honeycomb Addition ally the lighting on each shelf has a sepa rate switch located under the center of each shelf BALLAST s The ballast for the top standard light is located in the electrical box Access is gained by removing the access panel Access to the shelving ballasts is gained by removing the respective shelf after un plugging the harness and removing the three screws from the ballast cover CLEANING EXTERIOR When cleaning the exterior of the cabinet use a soft cloth or sponges with water and a mild detergent Rinse and wipe dry Do not use an abrasive cleanser on the painted surfaces as this will mar the finish For plexiglass windows use an ap proved plexiglass cleaner such as Craftics 20 20 Plasti Cleaner CLEANING INTERIOR For cleaning the interior of the product compartment remove the product disconnect the electrical power and allow cabinet to warm to room temperature Use a soft cloth or sponge with a mild detergent to wash the interior The dra
7. pins to initiate defrost The failsafe setting sets the length of defrost from 2 minutes minimum to 110 maximum The clock is factory pre set for 3 defrosts at 6 a m 2 p m and 10 p m on the 4060 and 4072 at 20 minutes each There are 4 defrost onthe 5272 2 a m 8 a m 2 pm and 8 p m at 30 minutes each Additional defrost may be re quired for cases located in high humidity or high us age cases If possible avoid setting a defrost during the day or peak usage periods THE CLOCK TIME POINTER SHOULD BE SET TO THE CORRECT TIME OF DAY WHEN THE CABINETIS READY TO BE STARTED Setting the timer Extra pins are vided with the timer Put pinin hole of dial face at the time you wish the cabinet to defrost Note that there is an AM and PM section on the dial face Be sure the pin is tight Set the length of time for the defrost failsafe Push down adjust ment and slide it to the length of time Do not set the time longer than 60 minutes Set the time pointer to the proper time of day and start cabinet CONNECTIONS a Check cabinet thoroughly for loose nuts and bolts and electrical connec tions Inspect the refrigeration lines for any visible damage or chafing Replace electrical box cover Replace the louvered access panel Start the cabinet and allow to pull down to operating temperature before loading SPECIFICATIONS DIMENSIONS Exterior M
8. the refrigerant nitrogen mix ture allowing it to blow from the sys tem as rapidly as possible into any empty cylinder 12 Be sure that all service valves are open to al into the system through a new drier in low all of the mixture to be discharged charging manifold line A 16 cubic inch drier is sufficient for this purpose b Connect a deep drain vacuum pump to both high and 1 ow side of system Repeat steps 2 and3 two more times Pull a vacuum on the system to least third time evacuating the system to 500 1500 microns microns c Break the vacuum by adding refrigerant The following pressures are optimum into the system until the pressure is above when the casein a 75 to 80 F ambient and is 0 psig Always charge the refrigerant line running from 35 to 40 F cabinet tempera ture and are for reference only MODEL REFRIGERANT SUCTION PRESSURE HEAD PRESSURE TYPE psig psig GSVM4060 R 134a 12 15 130 150 SV GSVM4072 R 134a 12 15 130 150 GSVM5272 R 134a 14 18 130 150 GSVM5272 R 404A 40 50 310 320 Consult the serial plate for the correct refrigerant charge This charge is critical and should be weighed in TEMPERATURE CONTROL The control also has adjustable differen tial that determines the difference between the cut in and cut out temperature This is adjustable from 5 to 20 The factory set ting is from 8 10 to insure proper off time t
9. 6 WIRE HARNESS 0 Lh EVAP FANS LIGHT SWITCH ONE LIGHTED SHELF COMPRESSOR RED BLK PROTECTOR TEMP CONTROL 1 RELAY COND TIME CLOCK FAN 3 STARTER BLU BLU 4 5 N 020210 6228 0 WHT BLK BLK CONDENSATEPAN 115V 60 Hz 1 Ph POWER CORD POWER SWITCH GSVM 4060 HUSSMAnh MATERIAL SHEET l TA Gloversville N Y 12078 ANGULAR 10 WIRING DIAGRAM DWG NUMBER REV HOLE LOCATION DIE NO M100 1938 X TYPE DRAWN JWL CODE DATE 2 11 94 x BALLAST UPPER LIGHT WIRE HARNESS OPTIONAL SHELF LIGHT LIGHT SWITCH LIGHT SWITCH lt m TER 4 Os 5 Ol 1 ____ 5 COMPRESSOR PROTECTOR TEMP CONTROL 1 RELAY TIME CLOCK 5 BLK 51 53 OPTIONAL CONDENSATE PAN 08 ORN POWER SWITCH 1 000W 9A 120V E WHT GSVM 4072 ae nussmann FRACTIONAL 1 32 XXXXXX XX Gloversville 12078 5 WIRINGDIAGRAM 7 DIAGRAM 2 CODE 211 ome K OPTIONAL SHELF LIGHT BALLAST STD SHELF
10. air flow Brackets are provided for field attachment to obtain the 5 spacing SKID The skid should be left on the cabinet until it is near its final location The skid provides protection for both case and floor The skid is removed by raising one end of the case approx 6 block securely and remove the 2 skid bolts on the raised end then screw back into the holes 2 leg levelers The procedure is repeated on the op posite end When the leg levelers are in place the case may be slid off the skid and placed in its final location LEVELING The cabinet must be leveled properly to insure full drainage of condens ate water from the evaporator coil Level the case from front to rear and end toend Stan dard levelers packed ins ide the case or op tional legs can be provided for this purpose SEALING Once the case is properly leveled the case should be sealed to the floor as shown in the following drawing using an NSF ap proved material such as General Electric RTV 102 silicone sealer or equivalent Silicone Sealant Floor ACCESS PANEL REMOVAL The louvered access panel on the lower front of the case provides access to the condensing unit electrical box and con densate pan Remove panel by removing screw at bottom and lifting up and pulling forward DRAINS Remote draining is not required in self contained models The condensate water from the evaporator drains out through the bo
11. cases are self contained with the condensing unit mounted at the bottom They are equipped with a hermetic compressor and a capillary tube The condenser is of fin and tube construction and SHOULD BE PERIODICALLY CLEANED TO MAIN TAIN EFFICIENT OPERATION If for any reason the cabinet must be recharged consult the serial plate found inside the cabinet for the proper refriger ant charge and weight If it should become necessary to leak test the system please adhere to the follow ing notice BECAUSE OF THE CFC ATMOS PHERIC CONSIDERATIONS BEING TAKEN TODAY WE ASK THAT LEAK TESTING BE DONE WITH REFRIGER ANT 22 MIXED WITH NITROGEN LEAK TESTING The test gas cylinder must be equipped with a pressure gauge and regu lator so that system test pressures do not exceed maximum allowable limits Do not ever use anything other than a R 22 Nitrogen mixture for leak testing Attach a refrigerant test gas cylin der to your service manifold and connect the manifold to the charging port on the liquid line valve Charge an R 22 Nitrogen mixture into the system raising the pressure to the unit s nameplate for the low side and high side pressures Using an electronic detec tor carefully check the entire system for leaks Take special care to inspect all brazed and flare connections EVACUATION After the system is proven leak tight thoroughly evacuate the system ac cording to the following procedure a Discharge
12. front to back all chrome plated and 3 high WIRE CROSS DIVIDER This is a 3 high x 4 long divider that could be ordered to be used with the Wire Partition Kit above in whatever quantities are desired WIRE BASKET KITS One kit is available to replace the top 13 shelf 5 and another 15 available to replace the bottom 15 shelf Each kit consists of a wire basket 2 brackets and two dividers which could also be used as ends These parts are zinc plated The baskets have an 8 high back and a 4 sloped front WIRE BASKET DIVIDERS These are additional dividers which can be used with the Wire Basket Kit to obtain additional partitioned areas in the baskets ADDITIONAL LIGHTED SHELF This consists of an additional 13 lighted shelf that can be positioned between the two standard shelves It is the same construction as the top standard 13 shelf WARRANTY AND PARTS INFORMATION IMPORTANT Please read carefully to assure prompt and accurate service ORDERING PARTS REPLACEMENT Contact your nearest Hussmann Distributor Always specify model and serial number of cabinet If correct part number is not know give a clear description of part itself and its function in the cabinet or remote unit 17 WARRANTY PARTS PROCEDURE Same as first three items in Ordering Replacement Parts Procedure Give original installation date of cabinet and if possible forward a copy of the original invoice or delivery receipt All shi
13. inage area and drain should be checked to insure that they have not be come clogged If the condensate drain hose is removed from the electric condensate pan for cleaning it must be reinstalled prior to operating the case Do not use an abrasive cleanser on the painted surfaces GSVM 4060 only has Electric Condensate Pan as Standard Wipe dry before restarting the cabi net The time clock see Defrost Time Clock section should be reset to the correct time of day Allow the cabinet to cool down to proper temperature before reloading product 11 CLEANING STAINLESS STEEL SURFACES Generally soap and water will be sufficient for most cleanings when done of ten and regularly When necessary sev eral cleaning agents can be used Some of themare Comet Bab O Liquid NuSteel Cooper s Stainless Steel Cleaner and Al len s Stainless Steel Cleaner REFRIGERATION The GSVM models employ a refrig eration system using a hermetic compres sor GSVM4060 and GSVM4072 sys tems employ a capillary tube for refriger ant flow control The capillary tube is sol dered to the suction line pull out coil for proper heat exchange If the capillary should become plugged or damaged for some reason it is best to replace the whole heat exchanger with anew one Consult the factory for the proper replacement The GSVM 5272 employs a bleed port type expansion valve for proper re frigerant control As stated previously these
14. ll occur It can be adjusted to other desired temperatures by turning the dial to the corresponding dial face temperatures The indicated dial temperature will not directly correspond to the actual cabinet tempera ture due to the bulb location and depend ing on various conditions a certain amount of time lag will be noticed between the new setting and the resulting temperature CONDENSING UNIT A regular program should be set up for cleaning the fin and tube condenser Normally this cleaning is required every 3 to 4 months but the individual store appli cation may shorten or lengthen this time period Dust and dirt accumulation can cause serious efficiency loss Access is gained to the unit area by removing the louvered grille Before at tempting to slide out condensing unit you must first remove the screws from the con denser unit baffles The unit slides for ward to facilitate cleaning and for service Care should be taken when pushing the unit back in to insure that the pullout coil does not become kinked or damaged in some way The baffle screws must be re placed after sliding the condensing unit back into position Double check to make sure the drain hos eis in the drain pan be fore putting the access grille back on The rear access panel is also removable if it is necessary to work at the back of the case SHELVES The GSVM4060 cabinet is equipped with 2 standard shelves for the display of your product
15. o keep the evaporator from icing The temperature control is located in the electrical box The sensing bulb is lo cated on the left hand end of the lower back wall When replacing make sure the bulb is in the proper location and that the hole in the liner is properly sealed after the replace ment has been made EVAPORATOR FAN MOTORS To replace an evaporator fan motor the product must be removed from the The control is adjustable from 30 to 50 F cabinet and the bottom shelf also removed dial face marking The actual cabinet tem perature is approximately 6 to 9 warmer than the control setting so this must be taken into consideration Next remove the plate covering the fans by removing the 2 screws and 4 bolts holding this in place The fans are now ac 13 TROUBLE TROUBLE SHOOTING CHARTS PROBABLE CAUSE Compressor will not start no 1 Power disconnected noise Compressor will not start cuts out on overload Warm storage temperature 2 Blown fuse or breaker 3 Defective or broken wiring 4 Defective overload 5 Defective temperature control 1 Low voltage 2 Defective compressor 3 Defective relay 4 Restriction pinched cap tube 5 Restriction moisture 6 Condenser blocked with dust and dirt 7 Defective condenser fan motor 1 Temperature control not set properly 2 Short of refrigerant 3 Cabinet location too warm 14 SOLUTION 1 Check service cord o
16. odel Length Width Height GSVM 4060 40 30 5 8 60 GSVM 4072 40 30 5 8 72 GSVM 5272 52 30 5 8 72 ELECTRICAL MODEL NO Volts Hz Phase REFRIGERANT RUN FUSE POWER TYPE AMPS AMPS CORD 5 4060 115 60 1 R 134a 15 20 YES 5 4072 115 60 1 R 134a 17 25 NO 5 5272 115 60 1 R 134a 20 25 NO 5 5272 115 60 1 R 404A 17 25 25 NO The GS VM 5272 changed to R404A in January 2000 Check the Serial Plate to verify the correct refrigerant Note Applies to the GSVM4072 amp 5272 Models Only Drain Plumbing hookup recommended Optional condensate is available if there is no access to drain plumbing Condensate pan must be field installed and requires a dedicated 15 amp 120 volt circuit See page 15 for optional drain pan specifications BTU CAPACITY RATING TEMPERATURE F BTU HR EVAP COND AMBIENT GSVM 4060 6200 20 110 90 GSVM 4072 6250 20 110 90 GSVM 5272 6300 20 110 90 Cabinets use R 134A or R 404A SHELVING MAXIMUM WEIGHT CAPACITY LBS The following is a tabulation of the maximum evenly distributed weights that can be applied on the respective shelves They greatly exceed most normal food products that could be displayed in the case Bottom Sheet Metal Area Stand 13 15 shelves Stand 13 15 shelves w optional upslope 6 adapters Optional Wire Baskets OPERATION and MAINTENANCE It is important that the two previous sections of this installation booklet have been read and followed carefully bef
17. of 22 to the centerline of the 2 1 4 wide bumper COLORED ACCENT PANEL This panel can be a the top front panel over the product or b the panel behind the bumper or c the access panel below the bumper panel or any combination of these SHELF END TRIM KIT Consists of 4 painted steel ends for the standard 13 and 15 shelves This trim conceals and protects the exposed ends of the shelves and attaches by two snap fasteners supplied with each trim piece for the 4060 The 4072 and 5272 need 6 HIGH HUMIDITY CONDENSATE PAN For GSVM4072 amp 5272 This is a 1 000 watt 9 amp pan with a 6ft 9 in 115v power cord attached Dedicated circuit required 16 SHELF UPSLOPE ADAPTER KIT This kit consists of 4 zinc coated wire adapters to increase the two standard shelves upslope from 1 1 2 to 6 PRICE TAG MOLDING KIT This kit consists of aluminum price tag molding for the standard shelves This molding will hold both 1 and 1 235 standard price tags Note that the standard shelves accept 1 235 tags WIRE PRODUCT STOP This kit consists of a 2 high chrome plated open wire stops for the standard shelf This stop is mounted under tension and should not be confused with the wire front in the partition kit WIRE PARTITION KIT This is a free standing wire system which attaches to the standard shelves and consists of a wire front different from the Product Stop two wire sides and two partitions from the
18. ore attempting to start up the equipment A thorough inspection should be made prior to start up to assure that there are no loose nuts bolts electrical connections or refrigeration lines rubbing or chafing Turn the power switch to the ON position ALLOW system to reach normal operating temp prior to loading any product This cabinet has a forced air curtain that flows over the top of the product Flat 1 1 2 Upslope 17 Tilt 30 Tilt 250 N A N A 250 250 758 1258 2001 100 30 See SHELVES for the special loading instructions Air flows out of the honeycomb diffuser located above the product across the product and into the return duct The honeycomb can be removed for cleaning TEMPERATURE CONTROL Interior cabinet temperatures are controlled through the use of a bulb and capillary type temperature control The control is located in the electrical box The sensing bulb is mounted on the top of the evaporator coil on the 4060 and 4072 On the 5272 it is located on the rear wall behind the evaporator coil sure to disconnect power supply prior to any service work on the control The control is factory pre set between 19 and 21 F the GSVM4060 4072 and 26 to 28 F the GS VM5272 to maintain between 35 and 40 F interior cabinet average temperatures The differential is set at 8 10 F or alittle over halfway towards Donot adjust lower or evap icing wi
19. pments of in warranty replacement parts will be invoiced from the factory until such time as the defective part is returned and proved to be defective by our Quality Control Department Contact your Hussmann Distributor for instructions on returning in warranty parts Warranty parts must be returned to the factory within 30 days of date of failure to assure proper disposition Lack of any of the above information may result in the shipment of the wrong part or a delay in shipment COMPRESSOR REPLACEMENT PROCEDURE Replacement compressors will not be shipped from the Hussmann factory They may be obtained from you nearest Copeland Wholesaler Your wholesaler will replace free of charge any compressor found to be defective within twelve months of installation not to exceed twenty months from the date of manufacture as determined by the compressor serial number on the compressor serial plate For any defective compressor beyond the twelve or twenty month time period a salvage value credit will be given too partially offset the invoice for the replacement To obtain reimbursement forward to Hussmann Corporation 140 East State Street Gloversville NY 12078 the following information The cabinet model and serial number 2 of the wholesaler s invoice along with a copy of the salvage value credit 18 UPPER LIGHT LAMP RED RED BLK O LIGHT SWITCH BLK OPTIONAL LIGHT SWITCH LIGHT SWITCH 0
20. r wiring connection 2 Replace fuse or reset breaker 3 Repair or replace 4 Replace 5 Replace 1 Check voltage at cabinet should not be more than 5 below rating 2 Replace 3 Replace 4 Repair or replace 5 Leak check replace drier evacuate and recharge 6 Clean condenser 7 Replace 1 Reset control 2 Leak check replace drier evacuate and recharge 3 Move to cooler location or correct excessive heat source Compressor runs continuously Product too warm Compressor runs continuously Product too cold 4 Refrigerant overcharge 5 Low voltage compressor cycling on overload 1 Short of refrigerant 2 Inefficient compressor 1 Defective control 2 Control sensing element not in positive contact 3 Short on refrigerant 4 Purge system evacuate and recharge 5 Check voltage at compressor should not be more than 5 below rating 1 Leak check replace drier evacuate and recharge 2 Replace 1 Replace 2 Assure proper contact 3 Leak check replace drier evacuate and recharge TROUBLE SHOOTING LIGHT CHART PROBLEM Lights won t start Lights flicker SOLUTION Check light switch U N Check voltage Check voltage A WO NY 15 Check continuity to ballast Check to see if bulbs inserted properly in sockets Allow lamps to warm up Check lamp sleeve for cracks Check sockets for moisture and proper contact
21. ructions prior to installation of the equipment INSPECTION The equipment has been skidded and crated prior to shipment from the factory It is the carrier s responsibility to deliver it to you in good condition until such time as you sign for it Upon receipt of the cabinet examine the packaging for damage If the packaging is damaged make specific notation on the delivery ticket as to the location and extent of damage prior to signing for the piece Carefully remove packaging and examine the cabinet for damage If damage is found contact the delivering carrier immediately and request that his agent prepare an inspection report for the purpose of filing a claim THIS IS YOUR RESPONSIBILITY NOT THE FACTORY S Save all packaging materials and move the cabinet as little as possible prior to inspection LOCATION and CLEARANCE It is important that careful consideration be given to locating the cabinet away from an area where direct sunlight would shine into the fixture or where drafts from air conditioning grilles fans and open doors could affect its operation The GSVM4060 and 4072 have front condenser air intake and discharge A minimum distance of two feet must be left open in front of the case so that air discharge and intake to the condensing unit is not obstructed The GSVM5272 model requires 5 minimum clearance behind the case and clear above the case since it has straight through condenser
22. ttom of the cabinet through a copper trap attached to the un derside and into the condensing unit com partment to a heated condensate pan Until this trap gets filled with wa ter from the initial defrost there may be a small fros t buildup in the coil area on startup which should disappear after the first defrost The pan uses a thermistor to sense the presence of water in the pan and adjusts the amount of heat required to evaporate the water LEGS OPTIONAL If required by Health Inspectors the levelers can be removed and replaced with NSF Approved legs to raise the cas e 6 inches for cleaning purposes An optional skirt kit can be provided to clip on to the legs SERIAL PLATE The serial plate is located on the in terior top wall of the cabinet towards the left end It contains all pertinent infor ma tion suchas model cabinet serial number amperage rating refrigerant type and charge etc This information will be needed to install service or order parts for this piece of equipment AIR DISTRIBUTION and PRODUCT LOADING This cabinet has a forced air circulation system Air flows through the back wall over the product on the shelves as well as out the honeycomb diffuser located above the product across the face of the product air curtain and into the return air grill Do not load product so that it extends over the shelf edges or over the return air grille POWER REQUIREMENTS The GSVM Models
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