Servend MD 150 Installation & Service Manual Download Page 56

Page: 56 / 64

EXPLODED VIEWS, PARTS & DIAGRAMS

MDH 402 220V WIRING DIAGRAM

PUSH

BROWN

BLUE

STARTER

LIGHT

TIMER

AGITATION

OPTIONAL

KEYSWITCH

VALVE

OPTIONAL

SWITCH

ICE DISPENSE

BALLAST

VALVE

BEVERAGE

VALVE

BEVERAGE

MOTOR

TRANSFORMER

MERCHANDISING LAMP

CAUTION

ELECTRICAL SHOCK HAZARD

DISCONNECT POWER

BEFORE SERVICING

1. DISCONNECT POWER SUPPLY.
2. PRESS RESET BREAKER SWITCH

3. REPLACE MERCHANDISER

4. RECONNECT POWER SUPPLY.

TO RESET TRANSFORMER:

(115 VOLT UNITS ONLY)

ON TRANSFORMER.

(FRONT ENCLOSURE).

PUSH

BLUE

YELLOW

WHITE

BLACK

PURPLE

BLUE

BLACK

WHITE

BLACK

BLUE

WHITE

BLACK

220/240 VOLT

COMMON

LINE

LOAD

LINE

ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL

YELLOW

RED

WHITE

ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL

VALVE

KEYSWITCH

OPTIONAL

BLACK

WHITE

VALVE

BEVERAGE

STARTER

LIGHT

BLACK

YELLOW

BEVERAGE

VALVE

WHITE

BLACK

BLUE

MOTOR

WHITE

BLUE

ICE DISPENSE

SWITCH

BLACK

COMMON

PUSH

AGITATION

PURPLE

RED

YELLOW

BLUE

WHITE

TIMER

BLACK

OPTIONAL

BALLAST

LINE

LOAD

LINE

LOAD

BLACK

WHITE

BLACK

TRANSFORMER

MERCHANDISING LAMP

PURPLE

WHITE

BLACK

WHITE

BLACK

WHITE

RED

WHITE

RED

MDH-402

OPTIONAL MERCHANDISING LAMP

BLACK

RED

WHITE

PURPLE

BALLAST

BLACK

STARTER

LIGHT

PURPLE

BALLAST

OPTIONAL MERCHANDISING LAMP

STARTER

LIGHT

BLACK

PURPLE

RED

BLACK

PURPLE

WHITE

DWG#: 5029432
REV. 0

L1 N

Summary of Contents for MD 150

Page 1: ...6 9922 www manitowocbeverage com In accordance with our policy of continuous product development and improvement this information is subject to change at any time without notice December 03 2007 REV5 MD MDH SERIES MD 150 175 200 250 MDH 302 402 Beverage Ice Dispensers INSTALLATION SERVICE GUIDE Part Number 5010330 ...

Page 2: ..._________________________________________________ Serial Number _______________________________________________________________________ Installation Date _____________________________________________________________________ UNPACKING AND INSPECTION Note The dispenser was thoroughly inspected before leaving the factory Any damage or irregularities should be noted at the time of delivery WARRANTY IN...

Page 3: ...NTS 13 ICE FLOW RESTRICTOR 13 BAFFLEFORMANITOWOC CUBERS 14 BAFFLE FOR Q SERIES ICE MACHINES 14 MANUAL FILL LID FOR DISPENSERS WITH A CUBER 14 PLUMBINGDIAGRAMLOCATION 15 MD 150 6 VALVE PLUMBING DIAGRAM 16 MD 150 6 VALVE FLEX MANIFOLD 16 MD 175 8 VALVE PLUMBING DIAGRAM 17 MD 175 8 VALVE FLEX MANIFOLD 17 MD 200 250 8 VALVE PLUMBING DIAGRAM 18 MD 200 250 8 VALVE FLEX MANIFOLD 18 MD 200 250 10 VALVE PL...

Page 4: ...BONATION 27 MDSERIESCOUNTERTOPMEASUREMENTS 28 MD SERIES SPECIFICATIONS 29 MDHSERIESCOUNTERTOPMEASUREMENTS 30 MDH SERIES SPECIFICATIONS 31 ROCKINGCHUTEICEDELIVERYSWITCHADJUSTMENT 32 SETTING THEAUTOMATICAGITATION TIMER 33 115V 220V NONADJUSTABLEAGITATION TIMER 33 SEQUENCEOFOPERATION 34 USER MAINTENANCE 35 PREVENTATIVEMAINTENANCE 35 HOW TO DISASSEMBLE FOR CLEANING OR MAINTENANCE 35 DAILYCLEANING 38 M...

Page 5: ...RTS LIST 46 MD 150 115V PRE MIX WIRING DIAGRAM 47 MD 150 175 200 115V WIRING DIAGRAM 48 MD 150 220V PRE MIX WIRING DIAGRAM 49 MD 150 175 200 220V WIRING DIAGRAM 50 MD 250 115V WIRING DIAGRAM 51 MD 250 220V WIRING DIAGRAM 52 MDH 302 115V WIRING DIAGRAM 53 MDH 302 220V WIRING HARNESS 54 MDH 402 115V WIRING DIAGRAM 55 MDH 402 220V WIRING DIAGRAM 56 TROUBLESHOOTING 57 PUMP 57 DRINKS 58 LIQUIDLEVELCONT...

Page 6: ...s which are followed rapidly by loss of consciousness and suffocation If a CO2 gas leak is suspected particularly in a small area immediately ventilate the area before repairing the leak CO2 lines and pumps should not be installed in an enclosed space An enclosed space can be a cooler or small room or closet This may include convenience stores with glass door self serve coolers Ifyou suspectCO2 ma...

Page 7: ...lled by a qualified electrician WARNING When using electric appliances basic precautions should always be followed includ ing the following a Read all the instructions before using the appliance b To reduce he risk of injury close supervision is necessary when an appliance is used near children c Do not contact moving parts d Only use attachments recommended or sold by the manufacturer e Do not us...

Page 8: ...ed ice Also consider the location of the following items before installation Figal system also Syrup connectors for Figal tank Gas connectors for Figal tank Figal syrup tanks B I B System also B I B connectors B I B regulator set B I B rack B I B syrup boxes Do you have enough space to install the dis penser or a dispenser and top mounted cu ber Does the top mounted cuber if utilized have a minimu...

Page 9: ...een 40 and 55 psi If not in be tween those pressures proper measures must be taken to regulate them to correct settings 6 Turn CO2 supply on to the dispenser Each cold carb pump deck is furnished with a fixed regulator set at 75 psi Ambient units need to be set between 90 and 100 psi 7 Fill bin with ice 8 Connect power supply 9 Brix beverage valves 10 Meet all code requirements DRAINAGE OPTIONS Th...

Page 10: ... tube A down front of unit and behind drain pan Be sure not to collapse or kink carbonator tank purge tube during routing from unit to drain C Purge tube is connected to the pres sure relief valve on carbonator tank and must be routed to a drain 3 The carbonator tank purge tube A can be routed down through the counter top that unit has been in stalled on or out the rear of unit Then install carbon...

Page 11: ...OX B I B SYSTEM 90 1800 60 100 CO2 SYRUP CO2 SYRUP CARBONATED WATER NON CARBONATED WATER SYRUP SYRUP 2 CO Drawing 5010102 0 Typical MD Ambient System Overview Carbonator Tank CO 2 Cylinder w Coldplate Tap Water 3 2 4 Tap Water Bag In Box Syrup Carton BIB Syrup Pump NOTE This is a simplified schematic to show the basic operation of the beverage system Countertop Dispenser 1 5 CO 2 1800 75 SYRUP 2 C...

Page 12: ...12 INSTALLATION COLD CARB BAG IN BOX B I B SYSTEM ...

Page 13: ... Series dispensers require an adapter kit to install a top mounted icemaker Contact your lo cal Servend distributor for the correct adapter kit INSTALLATION TOP MOUNTED ICEMAKER REQUIREMENTS NOTE For full information about icemaker installation including plumbing lines connections and electrical requirements see the icemaker installation manual ICE FLOW RESTRICTOR Ice Flow Restrictor For all Serve...

Page 14: ...f there are screws remove them from the counter sunk holes on the front surface of the machine save the screws 4 Install the deflector using the four screws removed in step three 5 Four screws and two backing plates are in the kit 6 If there are no screws on the ice machine step 2 pierce the thin plastic countersunk holes install the backing plates and install the deflector using the screws from t...

Page 15: ...he plumbing diagram label explains which inlet coldplate fittings supply which dispenser valves and water manifolds On internal carb units the water supply must first be connected to the carbonator pump before plumbing to connection A shown on plumbing diagram The carbonator pump deck must be within six feet of the dispenser for optimum performance See BIB installation diagram for system pressure ...

Page 16: ...16 INSTALLATION MD 150 6 VALVE PLUMBING DIAGRAM MD 150 6 VALVE FLEX MANIFOLD ...

Page 17: ...Installation and Service Manual 17 INSTALLATION MD 175 8 VALVE PLUMBING DIAGRAM MD 175 8 VALVE FLEX MANIFOLD ...

Page 18: ...18 INSTALLATION MD 200 250 8 VALVE PLUMBING DIAGRAM MD 200 250 8 VALVE FLEX MANIFOLD ...

Page 19: ...Installation and Service Manual 19 INSTALLATION MD 200 250 10 VALVE PLUMBING DIAGRAM MD 200 250 10 VALVE FLEX MANIFOLD ...

Page 20: ...20 INSTALLATION MD 302 12 VALVE PLUMBING DIAGRAM LEFT RIGHT MD 302 12 VALVE FLEX MANIFOLD 1 PER SIDE ...

Page 21: ...Installation and Service Manual 21 INSTALLATION MD 402 16 VALVE PLUMBING DIAGRAMS MD 402 16 VALVE FLEX MANIFOLD 1 PER SIDE LEFT RIGHT ...

Page 22: ...22 INSTALLATION MD 402 20 VALVE PLUMBING DIAGRAMS MD 402 20 VALVE FLEX MANIFOLD 1 PER SIDE LEFT RIGHT ...

Page 23: ...is approximately the same length and width as the bottom of the dispenser bin Ice sits on top of the cold plate and cools the cold plate The stainless steel tubes inside the cold plate carry carbonated water soda water noncarbonated water plain water and syrup to the beverage valves While flowing through the stainless steel tubes in the cold plate water and syrup are chilled to serving temperature...

Page 24: ... newer and full tanks organized at one end of the beverage line with the partial tanks at the other PRE MIX POST MIX BEVERAGE DISPENSERS Pre Mix Only a small number of systems use Pre Mix usually for temporary or very low volume dispensing where installation of a carbonator is not warranted Pre Mix means that syrup and carbonated water are al ready mixed at the bottling plant then chilled at the d...

Page 25: ...e the finished bever age A cold carbonated system pre chills the water be fore entering the carbonator tank Pumping Syrup to the Dispenser 5 CO2 cylinder Holds highly pressurized carbon di oxide CO2 The CO2 cylinder is a steel or alumi num cylinder tank CO2 gas flows to the primary pressure regulator 6 Cylinder pressure gauge Indicates amount of CO2 gas in the cylinder 7 Primary pressure regulator...

Page 26: ...imary pres sure regulator At a T fitting this line then forms two branches One branch feeds CO2 gas to the carbonator tank and the other branch feeds CO2 gas to the Figal tanks Pumping Syrup to the Dispenser 4 Secondary pressure regulator Lowers the CO2 gas pressure usually at 45 60 psi before the CO2 gas flows to the Figal syrup tank Diet syrup is usu ally 10 15 psi 5 Syrup pump Syrup flows throu...

Page 27: ...nk This control turns the pump motor off and on to maintain a preset level of liquid in the tank The water level control may be electronic probes or a mechanical float INTERNAL CARBONATION The carbonator tank has two inlets and one outlet con nection as well as a relief valve and two conductivity probes The water inlet is a double check valve topped with a 3 8 flared fitting The carbonator will be...

Page 28: ...nder Unit Depth 20 1 2 20 1 2 20 1 2 20 1 2 F Recommended countertop Cut out 3 x13 3 x14 3 x18 3 x18 G Maximum Countertop Cut out 18 x20 1 2 20 x20 1 2 26 x20 1 2 32 x20 1 2 OPERATION MD SERIES COUNTERTOP MEASUREMENTS CAUTION Cutting the countertop may decrease its strength Counter should be braced to support the dispenser countertop weight plus ice storage ca pacity and weight of icemaker if appl...

Page 29: ...2 5 FLA Agitation Timer Optional Optional Standard Standard Standard Shipping Weight 240 lbs 259 lbs 318 lbs 338 lbs 338 lbs OPERATION MD SERIES SPECIFICATIONS MD Series dispensers have a stainless steel cabinet and lighted merchandiser standard Beverage valves coldplate connections drain connections and electrical components are front serviceable MD Series dispensers drain through a single 3 4 NP...

Page 30: ...nit Depth 20 21 F Recommended Countertop Cut out 3 X 32 3 X 48 G Maximum Countertop Cut out 38 X 20 56 X 21 OPERATION MDH SERIES COUNTERTOP MEASUREMENTS CAUTION Cutting the countertop may decrease its strength Counter should be braced to support the dispenser countertop weight plus ice storage ca pacity and weight of icemaker if applicable ...

Page 31: ... conditions for MDH Series dispensers are between 500 F and 950 F MDH 302 MDH 302 w EM MDH 402 MDH 402 w 24 EM MDH 402 w 34 EM DimensionsW x D x H 42 x 30 1 2 x 33 42 x 30 x 44 60 x 30 x 32 60 x 30 x 44 60 x 30 x 54 Ice Storage 300 lbs 300 lbs 400 lbs 400 lbs 400 lbs Beverage Valves 10 or 12 10 or 12 16 or 20 16 or 20 16 or 20 Coldplate Two 2 9 circuit 3 2 1 manifold Two 2 9 circuit 3 2 1 manifold...

Page 32: ...ute by slowly pushing against the rocking chute When the ice delivery switch clicks measure the distance from the door stops on the rocking chute bracket to the door The distance between the two should be no more than 1 4 but no less than 1 16 3 The left side of the rocking chute has a tab that pushes up on the ice delivery switch To adjust it use needle nose pliers and bend the arm of the switch ...

Page 33: ...o hours of timing between agitation periods 6 Turn the adjustment pot to the right approximately to the 2 o clock position This is approximately nine notches past the zero setting and sets the timer for agitationapproximatelyeverythreeandonehalfhours To test the adjustable timer turn the ON time to the correct three second position Turn the OFF time to the zero 7 o clock position Do not disturb th...

Page 34: ...inst the push plate The push plate raises the microswitch actuator arm located on the right side of the ice dispense chute The microswitch actuator arm activates the microswitch The microswitch activates the solenoid which pulls down the solenoid plunger The plunger is connected to a cable which is connected to a pulley then another cable raises the door of the ice chute The microswitch also activ...

Page 35: ...enser 6 On the MD 302 dispenser only remove the strip lids off the top left and top right of the dispenser bin 7 For the MD 302 dispenser only there is a left bin and a right bin Clean and sanitize one bin then follow the same procedures on the second bin USER MAINTENANCE PREVENTATIVE MAINTENANCE Preventative maintenance is a vital part of keeping your Servend dispenser in top condition Following ...

Page 36: ...tor is free of the paddle wheel hub 12 Move the front of the agitator to one side and slide the agitator forward until the rear of the agitator shaft is clear of the bushing 13 Remove the agitator from the bin area Paddle wheel bin liner and paddle wheel area 14 Slide the paddle wheel from its shaft 15 Loosen the four knurled fasteners that hold the bin liner in place 16 Remove the bin liner 17 Re...

Page 37: ...D 302 has two rocking chutes Remove both rocking chutes using the same procedure above Disassemble the solenoid style chute 1 Loosen the knurled fastener on both sides of the outer chute and remove chute from the dispenser USER MAINTENANCE HOW TO DISASSEMBLE FOR CLEANING OR MAINTENANCE PPLLU UM MBBIIN NG G D DIIA AG GR RA AM M P PU US SH H F FO OR R I IC CE E 1 4 3 2 PPLLU UM MBBIIN NG G D DIIA AG...

Page 38: ...ater Place the grid back in the drain pan 5 Wash all exterior surfaces of the unit with warm water and a clean cloth Wipe again with a clean dry cloth Clean the dispensing valves 6 Remove nozzles and diffusers from beverage valves 7 Rinse nozzle and diffuser with warm clean water 8 Clean nozzles and diffusers with soapy water and a soft bristle brush 9 Clean the underside of the beverage valves wi...

Page 39: ...he mixture should not exceed 100 PPM of chlorine Or mix a solution of any approved sanitizer following the directions for mixing and applying the sanitizer 7 Sanitize the ice bin and cold plate with the sanitizing solution for at least 10 seconds 8 Allow to air dry Do not rinse Reassembling the dispenser parts 9 Reassemble parts in the following order Bin liner Paddle wheel Agitator Paddle wheel p...

Page 40: ...insing Bucket 2 mild detergent and warm to hot water Bucket 3 mix a solution of unscented bleach 5 Na CL O or commercial sanitizer and warm to hot water Mixture should supply 100 PPM avail able chlorine 1 4 oz bleach to 1 gallon water 2 Disconnect the syrup line side of the bag in box connector 3 Rinse connector with warm tap water 4 Connect syrup connector to BIB connector and im merse both into ...

Page 41: ...ozzles and diffusers from beverage valves 15 Scrub nozzles diffusers and all removable valve parts except electrical parts with a plastic brush or a soft cloth and the detergent solution 16 Soak nozzles diffusers and removable valve parts except electrical parts in sanitizer for 15 minutes 17 Replace nozzles diffusers and valve parts 18 Connect Bucket 1 to system 19 Draw rinse water through system...

Page 42: ...42 EXPLODED VIEWS PARTS DIAGRAMS MD 150 175 200 250 EXPLODED VIEW ...

Page 43: ...Installation and Service Manual 43 EXPLODED VIEWS PARTS DIAGRAMS MD 150 PARTS LIST MD 175 PARTS LIST ...

Page 44: ...44 EXPLODED VIEWS PARTS DIAGRAMS MD 200 250 PARTS LIST ...

Page 45: ...Installation and Service Manual 45 EXPLODED VIEWS PARTS DIAGRAMS MDH 302 402 EXPLODED VIEW ...

Page 46: ...46 EXPLODED VIEWS PARTS DIAGRAMS MDH 302 PARTS LIST MDH 402 PARTS LIST ...

Page 47: ... MERCHANDISING LAMP G CAUTION ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING BLUE YELLOW WHITE BLACK PURPLE PURPLE BLUE BLACK BLACK BLUE WHITE BLACK BLACK NO NC COMMON YELLOW RED WHITE WHITE MERCHANDISING LAMP 250 STARTER LIGHT BLACK BALLAST BLACK ORANGE OUT THERMOSTAT OPTIONAL IN OPTIONAL TIMER ORANGE WHITE BLUE 3 2 1 BUZZER GRAY AUDIBLE ALARM OPTIONAL EMPTY LIGHT PREMIX 115 VOLT 50294...

Page 48: ...HOCK HAZARD DISCONNECT POWER BEFORE SERVICING 1 DISCONNECT POWER SUPPLY 2 PRESS RESET BREAKER SWITCH 3 REPLACE MERCHANDISER 4 RECONNECT POWER SUPPLY TO RESET TRANSFORMER 115 VOLT UNITS ONLY ON TRANSFORMER FRONT ENCLOSURE PUSH BLUE YELLOW WHITE WHITE BLACK PURPLE PURPLE BLUE BLACK BLACK BLACK BLACK BLACK BLACK BLACK WHITE WHITE BLACK BLUE BLUE WHITE BLACK BLACK BLACK OPTIONAL THERMOSTAT ORANGE W OR...

Page 49: ...CAUTION ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING BLUE YELLOW WHITE BLACK PURPLE PURPLE BLUE BLACK BLACK BLUE WHITE BLACK BLACK NO NC COMMON YELLOW RED WHITE MERCHANDISING LAMP 250 STARTER LIGHT BLACK BALLAST BLACK ORANGE OUT THERMOSTAT OPTIONAL IN OPTIONAL TIMER ORANGE WHITE BLUE 3 2 1 BUZZER GRAY AUDIBLE ALARM OPTIONAL EMPTY LIGHT 220 240 VOLT 5029427 0 BLUE BROWN L1 N GREEN G WH...

Page 50: ... ELECTRICAL SHOCK HAZARD L1 N GREEN BROWN BLUE G YELLOW OPTIONAL AGITATION TIMER YELLOW BLACK RED DISCONNECT POWER BEFORE SERVICING BLACK BLACK BLACK BLACK WHITE WHITE BALLAST BLACK TRANSFORMER MERCHANDISING LAMP 1 PN 5029429 VALVE REV 0 WHITE ORANGE ICE DISPENSE SWITCH BLUE BLACK OPTIONAL EMPTY LIGHT TIMER BLUE AUDIBLE ALARM BUZZER GRAY 2 3 OPTIONAL WHITE PURPLE THERMOSTAT OPTIONAL NO NC COMMON L...

Page 51: ...OPTIONAL KEYSWITCH VALVE OPTIONAL SWITCH ICE DISPENSE BALLAST VALVES BEVERAGE MOTOR TRANSFORMER REV 0 G OPTIONAL MERCHANDISING LAMP BALLAST OPTIONAL MERCHANDISING LAMP LIGHT STARTER VALVES BEVERAGE THERMOSTAT ORANGE BLUE OPTIONAL ORANGE BLUE YELLOW BLACK BLACK BLACK BLACK WHITE WHITE WHITE BLACK BLACK BLACK YELLOW PN 5029414 PURPLE WHITE WHITE PURPLE BLACK RED BLACK BLACK WHITE BLUE BLACK WHITE WH...

Page 52: ...NAL MERCHANDISING LAMP LIGHT STARTER VALVES BEVERAGE THERMOSTAT ORANGE BLUE OPTIONAL ORANGE BLUE YELLOW BLACK BLACK BLACK BLACK WHITE WHITE WHITE BLACK BLACK BLACK YELLOW PN 5029430 PURPLE WHITE WHITE PURPLE BLACK RED BLACK BLACK WHITE BLUE BLACK WHITE WHITE BLACK BLACK BLACK PURPLE RED BLUE RED PUSH OPTIONAL GRAY AUDIBLE ALARM BLUE TIMER 3 1 2 BUZZER BLUE BLACK BLUE WHITE 220 240 VOLT 2 5 3 1 4 N...

Page 53: ...CHANDISER 115 VOLT UNITS ONLY CAUTION ON TRANSFORMER FRONT ENCLOSURE 4 RECONNECT POWER SUPPLY BLUE BLUE YELLOW BLUE RED WHITE BLUE BLUE BLACK ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING ORANGE PUSH OPTIONAL THERMOSTAT BLUE GRAY TIMER 1 3 2 AUDIBLE ALARM OPTIONAL BUZZER BLUE BLUE BLUE NC NO LINE LOAD LOAD LINE NO NC LINE LOAD LOAD LINE ALL REMAINING VALVES ARE WIRED IN PARALLEL ALL RE...

Page 54: ... BLUE BLUE YELLOW BLUE WHITE BLUE BLUE BLACK ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING ORANGE BLUE BLUE BLUE NC NO LINE LOAD LOAD LINE NO NC LINE LOAD LOAD LINE ALL REMAINING VALVES ARE WIRED IN PARALLEL ALL REMAINING VALVES ARE WIRED IN PARALLEL YELLOW WHITE WHITE BLACK WHITE BLACK BLACK WHITE BLACK BLACK BLACK WHITE WHITE BLACK WHITE BLUE WHITE COMMON COMMON WHITE BLUE G BLUE BRO...

Page 55: ...Installation and Service Manual 55 EXPLODED VIEWS PARTS DIAGRAMS MDH 402 115V WIRING DIAGRAM ...

Page 56: ...BLUE WHITE BLACK BLACK BLACK 220 240 VOLT NO NC COMMON LINE LOAD LOAD LINE ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL YELLOW RED WHITE WHITE WHITE WHITE ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL VALVE KEYSWITCH OPTIONAL BLACK WHITE VALVE BEVERAGE STARTER LIGHT BLACK BLACK YELLOW BEVERAGE VALVE WHITE BLACK BLUE MOTOR WHITE BLUE ICE DISPENSE SWITCH NO NC BLACK COMMON PUSH AGITATION PURPLE RED YEL...

Page 57: ...en and Black wires are not touching Pump motor does not shut off Problem with Liquid Level Control Board Probe Harness Connection may be open Water may not be reaching top probe in carb tank High Lead Red open or not connected Common lead Green open or not connected Short the H L terminals on the Liquid Level Control Board If motor does not shut off replace Liquid Level Control Board Verify connec...

Page 58: ...ed with each other Verify Red Lead is going to Red Probe and Green Lead is going to Ground Screw on tank Verify Black Lead is going to Black Probe and Green Lead is going to Ground Screw on tank TROUBLESHOOTING PUMP CONDITION INVESTIGATION CHECK CORRECTION Warm drinks Is the compressor running No Power switch off or Compressor switch off Move switch to on position Ice bank control Check replace co...

Page 59: ...tor to the proper setting Defective HP regulator Check repair replace HP regulator CO2 line pinched kinked or obstructed Check repair replaceCO2 line One valve will not dispense anything Is there power to the valve Broken wire or loose connection Replace repair wire or connector Bad microswitch Replace microswitch Beverage dispensed is too sweet Is the ratio brix of the drink correct Flow control ...

Page 60: ...ring Check probe harness harness connections and water supply Is line voltage 10 present Replace LLC Yes No Yes Yes Yes Yes No No No No END START Does Pump motor come on Remove red and black wires from LLC Is pump motor operation intermittent Does pump motor come on Black and or red probe shorted Remove probes straighten or replace if necessary Short H and C terminals on LLC Does the pump motor sh...

Page 61: ......

Page 62: ...Installation and Service Manual ...

Page 63: ...1 2 2 Installation Date 2 Instructions 38 irregularities 2 L location 8 M MBE 2 Model Number 2 modifications 6 Monthly Cleaning 39 O Operation 6 P Power outlet 8 Q Qualified Service Personnel 6 R regulations 38 Relocation 6 return procedures 2 S SAFETY 6 7 sanitizing 7 Serial Number 2 service assistance 2 Service Personnel 6 Shipping 6 Shipping Storage Relocation 6 soapy water 39 solvents 39 start...

Page 64: ...IN 47172 1868 Tel 812 246 7000 800 367 4233 Fax 812 246 9922 www manitowocbeverage com In accordance with our policy of continuous product development and improvement this information is subject to change at any time without notice 5009448 December 03 2007 REV5 ...

Search results

Summary of Contents for MD 150

Reviews:

Related manuals for MD 150

Brands by name

Popular brands

Servend MD 150, Installation & Service Manual

Search results

Summary of Contents for MD 150

Reviews:

Related manuals for MD 150

Brands by name

Popular brands