Master Bilt CGB-50 Installation And Operation Instructions Manual Download Page 23

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6/16 Rev. A 57-02502 23

MAIN WIRING DIAGRAM

DOOR TRIM HEATER

DETAIL

BL K

REAR SWING DOOR UNITS ONLY

CONDENSATE
EVAPORATOR

EVAP.
FAN
MOTOR

BLK

BLK/RIB

(HEATER) BLK

(HEA TER) BL K/RIB

BL K

(SWITCH)

LIGHT

SWITCH

(SEE LIGHT WIRING
DIAGRAM DETAIL)

E VAP .
FAN
MOTOR

BL K

BLK

BL K/RIB

BLK /RIB

(BALLAST)

TO L IGHT

BALLAST

INCLUDED ON 77 UNITS ONLY

HIGH PRESS .

CUTOUT

CONDENSER
RECEPTACLE

BL K

CORD

ON 36 ,59DZ

& 77DZ ONLY

BLK

(THERM.)

BL K/RIB (THE RM.)

SEE DIAGRAM
IN COMP.

FOR DETAILS.

CONDENSINGUNI

COLOR CODE

FIE LD
CONNECTION
BO X

BLK = BLACK
W = WHITE
R = RED
B = BLUE
Y = YELLOW
G = GREEN

91-1 414 6

12/2 2/98

120 VOLTS

60 HERTZ

1 PHASE

UNIT MUST BE GROUNDED

MAIN WIRING DIAGRAMS

120 VOLT REFRIGERATED SELF CONTAINED

Summary of Contents for CGB-50

Page 1: ...NS INSTRUCTIONS CGB 50 CGB 59 CGB 77 CGD 50 CGD 59 CGD 77 KEEP THIS MANUAL FOR FUTURE REFERENCE Engineering and technical data are subject to change without notice Master Bilt Products 908 Highway 15 North New Albany MS 38652 Phone 800 684 8988 ...

Page 2: ...s 9 Placing Product Into Case 10 SHELVING INSTALLATION REMOVAL 11 13 Shelves and shelf light quantity 13 SHELF INSTALLATION 13 Wire Shelves 13 Metal Shelves 13 MAINTENANCE 14 Shelf Light Bulb Replacement 14 Top Light Bulb Replacement 14 PERIODIC MAINTENANCE 15 Cleaning Condenser Coil 15 CLEANING INSTRUCTIONS 16 18 Daily Cleaning 16 Weekly Cleaning 17 Interior Cleaning 17 18 Exterior Cleaning 18 SE...

Page 3: ...ional information call or write us Technical Service Department Master Bilt Products Highway 15 North New Albany MS 38652 Phone 800 684 8988 Fax 866 882 7629 Email service master bilt com DANGER Improper or faulty hookup of electrical components in the case can result in severe injury or death All electrical wiring hookups must be done in accordance with all applicable local regional or national s...

Page 4: ...ry or death can occur if you ignore the message CAUTION Minor injury or damage to your case can occur if you ignore the message NOTICE This is important installation operation or service information If you ignore the message you may damage your case The warning and safety labels shown throughout this manual are placed on your Master Bilt case at the factory Follow all warning label instructions If...

Page 5: ...ing fans nor should it be located near open doors or main door entrances Also avoid locations where there are excessive air movement or air disturbances The condenser air inlet and discharge is located at the rear of the case Do not block this inlet and do not locate the air inlet near a source of heat Removing Case From Shipping Skid 1 Remove crate top and sides and note missing or damaged items ...

Page 6: ...anel at the rear of the case The panel allows access to the condensing unit the light ballast the condensate pan and the field wiring connection box Remove this panel to make field wiring connections See electrical information and grounding section of this manual before wiring case Note If electrical connection has been performed disconnect power to case before removing grill panel 1 Remove the re...

Page 7: ... panel make sure that the drain line has not been dislodged during shipment and that the drain trap is located properly over the water reservoir of the condensate evaporator pan Cleaning For initial setup clean the case as outlined in the weekly cleaning section of this manual Refrigeration Installation Self Contained Models The self contained models are shipped from the factory with a completely ...

Page 8: ... to a power source See the electrical data plate located at the rear of the case for proper circuit size and wire ampacity The electrical connection box is accessible from the rear of the case Remove rear grill on refrigerated models See Grill Removal in the installation section of this manual See diagram below for location of the field wiring connection box BACK OF CASE OVERHANGS BASE 1 7 8 DIA E...

Page 9: ...his control at the lowest setting possible while maintaining desired case temperature Shelves Each display is furnished with shelves that are adjustable up and down and can be tilted in three angular positions See Shelving Installation Removal section of this manual for proper installation adjustment and removal of shelving Sliding Rear Doors The doors can be easily removed by lifting doors upward...

Page 10: ... loss Do not block the slots along the front or rear of the case display pan Covering these slots will block the refrigerated airflow and could cause product loss The display pan is removable for cleaning and can become dislodged in shipment To ensure proper airflow and performance of the case make sure that the display pan is pushed completely down into evaporation tub Check that the pan is insta...

Page 11: ...doors from track by lifting doors upward until the bottom edge of door clears the lower track Swing the bottom of door outward and down out of top track 2 Insert a shelf bracket in the desired shelf standard slot on one side of case The short set of shelf brackets are for the top shelf and the longer shelf brackets are for the middle and bottom shelves Follow the instruction in the illustration be...

Page 12: ...helf standard slot D remove shelf bracket top from shelf standard slot 3 Hang one end of shelf light housing on the front notch of a shelf bracket and then the other end of shelf light housing on the notch of the shelf bracket on the opposite end Repeat for each additional shelf tiers 4 Push shelf light cords into clear plastic clip located on inside of shelfbrackets 5 Remove the cap from the appr...

Page 13: ...e to do so will prevent entire lighting system from operating SHELF INSTALLATION Wire Shelves 1 The CGB models are provided with 22 wire shelves for the bottom and middle shelf and the 16 wire shelf is for the top shelf 2 With rear sliding doors removed place front of wire shelf onto front shelf light and snap the front of shelf into the clear plastic clips on front light housing 3 Snap the rear o...

Page 14: ...top track On units with rear swing doors completely open doors to allow access to interior of case 2 Remove all shelves shelf supports and Shelf lights from unit through rear door opening See Shelving Installation and Removal section of this manual for instruction if needed 3 Remove top light lens clip screw s lens clip s and top light lens as illustratedbelow 4 To remove bulb from top light housi...

Page 15: ...fully vacuum the front surface of condenser coil Take care not to bend coil fins with vacuum cleaner nozzle 4 Reinstall back panel and retaining screws VACCUM CONDENSER COIL FINS AIR INTAKE REAR PANEL It is very important that the Condenser coil is cleaned twice per month to insure proper refrigeration performance and to prevent compressor failure Failure to clean condenser coil will void condense...

Page 16: ...tandgrabthepull handle with bothhands 2 Pullfrontglassoutwarduntil theglass rests onfront glassstops CLOSE FRONT GLASS 1 Standinfrontofunitandpushonfront ofpullhandlewithbothhands 2 Firmlypushglasstowardsrearofunit until front glass rests in closed position 4 The remaining exterior surface should be wiped down using any soapy warm water Note Do not use detergents or chlorine and do not use abrasiv...

Page 17: ...FRIGERATED MODELS ONLY REAR DOOR INNER SHELVING REAR DOOR OUTER E1954 9 FAN SHROUD MOUNTING TABS EVAP FAN DISPLAY PAN EVAP FAN SHROUD SHELF LIGHT SHELF SUPPORT SHELF BRACKET SHELF STANDARD NOTICE Avoid splashing or soaking any electrical components with water to prevent electrical damage to the case NOTICE Shut off light and power switches and remove all product from case Allow sufficient time for...

Page 18: ...y water Wipe off all soapy water with a damp cloth and allow todry NOTE Depending on the amount of usage and spillage of foreign material some fasteners may have to be removed and parts disassembled to allow proper cleaning of the unit 6 Clean all shelves shelf support bars shelf light housings shelf light housings shelf brackets and display pans using warm soapy water and a brush Rinse thoroughly...

Page 19: ...list You may avoid the cost and inconvenience of an unnecessary service call by first reviewing this checklist of frequently encountered situations that can cause unsatisfactory case performance Technical Service Department Master Bilt Products Highway 15 North New Albany MS 38652 Phone 800 684 8988 Fax 866 882 7629 Email service master bilt com CAUTION RISK OF ELECTRIC SHOCK DISCONNECT POWER BEFO...

Page 20: ...ed or dirty condenser coil filter or condenser coil fins Check cold airflow Lack of adequate cold airflow could be a defective evaporator fan or blocked evaporator coil Check that paper or foreign material is not blocking evaporator If the evaporator coil is blocked due to excessive frost turn the thermostat knob to the off position for approximately one hour to defrost Excessive frost will buildu...

Page 21: ... or working in the general area of the case Any case malfunction or housekeeping problem that creates a slip fall hazard around or under a case should be corrected immediately SALE DISPOSAL Owner Responsibility If you sell or give away your Master Bilt case you must make sure that all safety labels and the Installation Service Manual are included with it If you need replacement labels or manuals M...

Page 22: ...HEATER RLA LRA AMPS REFRIGERATED SELF CONTAINED CGB 50 28 0 7 0 4 1 2 8 8 58 8 10 5 CGB 59 32 0 9 0 4 1 2 8 8 58 8 11 6 CGB 77 36 1 3 0 8 1 2 10 1 68 14 2 CGD 50 28 0 7 0 4 1 2 8 8 58 8 10 5 CGD 59 32 0 9 0 4 1 2 8 8 58 8 11 6 CGD 77 36 1 3 0 8 1 2 10 1 68 14 2 Refer to the data plate attached to rear of the case for maximum fuse size and minimum circuit ampacity ...

Page 23: ... M BLK BLK BLK RIB BLK RIB BALLAST W G TOLIGHT BALLAST INCLUDED ON 77 UNITS ONLY HIGH PRESS CUTOUT CONDENSER RECEPTACLE BL K W G CORD ON 36 59DZ 77DZ ONLY BLK THERM BLK RIB THERM SEE DIAGRAM IN COMP FOR DETAILS CONDENSINGUNI T COLOR CODE FIE LD CONNECTION BO X BLK BLACK W WHITE R RED B BLUE Y YELLOW G GREEN 91 14146 12 2 2 98 120 VOLTS 60 HERTZ 1 PHASE UNIT MUST BE GROUNDED MAIN WIRING DIAGRAMS 12...

Page 24: ...017T8 FO25T8 FO32T8 FO40T8 B T1 R T1 TOP LIGHT LAMP G W BALLAST W RECP BLK B BALLAST R BALLAST BLK B A A TO LIGHT SW TO GROUND SWITCH BLK G PLUG R S1 B S1 BLK B BLK G R SHELF LIGHT B LAMP G SEE MAIN WIRING DIAGRAM DETAIL 91 13924 04 16 01 COLOR CODE BLK BLACK W WHITE R RED B BLUE Y YELLOW G GREEN ...

Page 25: ...OW ONF15BALLAST ALLBLTOY R S1 B BLK BLK G G RECP PLUG R S2 R LAMP SHELF LIGHT B S2 BLK BLK B LAMP Y R W BALLAST W R G G RECP BLK BALLAST Y B R PLUG B R R S3 R SHELF LIGHT TO LIGHTSW BALLAST SWITCH BLK A A BLK B S3 BLK BLK B LAMP TOGROUND G G G SEE MAIN WIRING DIAGRAM DETAIL COLOR CODE 91 13927 5 7 08 R R FORFO15 BLK BLACK B BLUE W WHITE Y YELLOW R RED G GREEN ...

Page 26: ...K B R S1 B S1 BLK BLK G PLUG R SHELF LIGHT B LAMP G RECP B S2 PLUG R S2 BLK BLK G B SHELF LIGHT R LAMP G W BALLAST RECP R S3 PLUG R SHELFLIGHT BLK BALLAST BALLAST B R B A TO LIGHTSW TO GROUND SWITCH BLK G B S3 BLK BLK G COLOR CODE BLK BLACK W WHITE R RED B A LAMP G SEE MAIN WIRING DIAGRAM DETAIL 91 13928 04 16 01 B BLUE Y YELLOW G GREEN ...

Page 27: ...NENTS MODELS CONDENSING UNIT SC 120V SC 240V EVAPORATOR COIL EXPANSION VALVE EVAPORATOR FAN MOTOR W BLADE EVAPORATOR FAN BLADE FILTER DRIER THERMOSTAT CONDENSATE PAN ASSY CONDENSATE HEATER CGB 50 30 14218 30 15328 33 13357 32 12625 41 13363 72 12254 32 12391 32 15495 SA 2134 40 13362 CGD 50 30 14218 30 15328 33 13357 32 12625 41 13363 72 12254 32 12391 32 15495 SA 2134 40 13362 CGB 59 30 14218 30 ...

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Master Bilt CGB-50, Installation And Operation Instructions Manual

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