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Crathco Post Mix Beverage Dispensers
®
Operation and Instruction Manual
for
Model PM4-B & PM45-B
TABLE OF CONTENTS
Warnings and Safety Precautions..................2
Installation ..................................................3-5
Operating and Adjustments.........................5-7
Care and Cleaning......................................7-9
Maintenance Service ................................9-10
Troubleshooting.......................................11-16
Exploded Views .....................
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WARNING LABELS AND SAFETY PRECAUTIONS OPERATOR'S SAFETY PRECAUTIONS 1. Read and understand the operating instructions in this manual thoroughly. 2. Note all warning labels. If any of the warning labels are missing or damaged replace them immediately. 3. Keep operating area clean. Located on the top of the condenser shroud and on the rear panel. INTRODUCTION The GRINDMASTER CORPORATION dispenser is a unique, self contained, counter top style unit with high capacity self-adjusting cooling systems
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INSTALLATION Installation Notice A water filter is recommended for the water supply to the dispenser, especially in areas where water contains a high level of minerals such as calcium or other solids. Over long periods of time, calcium deposits build on heat-exchanger coils and will lower the cooling capacity of the system. Calcium build up will also occur on the strainers enclosed in the dispensing valves. The cooling system is provided with copper coils, designed to last the life of the dispen
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WARNING: Only a qualified service technician should service internal electrical components. Installing Your Unit (cont.) 4. Water Hook-up. It is recommended to provide water connection to the dispenser from a dedicated water line. Without this, consistent water pressure necessary to sustain proper brix levels may not be maintained due to water surges caused by other water-consum- ing equipment, such as dishwashing machines, other dispensing equipment, coffee machines etc! The water line supply
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Installation (cont.) POWER SUPPLY: 220 VAC 50 Hz 115/60Hz COMPRESSOR: HP: 1/4, (630 Kcal, 2500 BTUH) REFRIGERANT: R134a 260 grams/9.1 oz. DESIGN LOW PRESSURE: Max. 9.5 BAR; 140 PSIG DESIGN HIGH PRESSURE: Max. 16.3 BAR; 240 PSIG SYSTEM TYPE: CAPILLARY TUBE, HERMETIC IDLE POWER CONSUMPTION .5A .8A RUN POWER CONSUMPTION 4A, 5A (MAX) 7A, 8A (MAX) FUSE SIZE 6 A Slow Blow Controller DISPENSING RATIO 50 ML/SEC SUPPLY WATER PRESSURE 2 - 2.7 BAR; 29-40 PSIG WORKING AMBIENT TEMPERATURE 15.5°C - 32.2°C 60-
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correct value with the use of a refractometer. Setting brix by taste is an acceptable method and usually gives + 0.5-0.8 brix error. Brix Setup (cont.) Mixing water with a concentrate in this dispenser was designed at the following conditions: 1. The initial temperature of a concentrate (syrup) used in the dispenser should be 39-41ÞF (4-5°C). 2. The initial temperature of the water supplied by the dispenser cooling system is 39ÞF (4°C). 3. The static water pressure should be set to 29PSIG. The p
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Once the brix is set, use the same flavor set up on each dispensing head. The flavor used on a particular dispensing head can be changed if the brix and viscosity of the syrup remains the same. Dispenser Operation Tips 1. To dispense the drink, depress and hold dispensing push button as long as needed. 2. After dispensing 2 liters consecutively allow a 15-30 second idling time before next usage. 3. Keep dispenser door closed and do not allow it to be open for a longer time than necessary. 4. Avo
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Washing Parts (cont.) 2. Remove the dispensing nozzle from the machine by turning it 90° to the left or right side, pulling it down. If there is a problem pulling it down, turn the nozzle with quick short left to right and back motions pulling it down at the same time. Make sure that the nozzle is in the proper position. The flat part of the thin round plate should be between screw heads. Remove product pick up tubes from the product containers. Note: Static mixer is inside the nozzle. If static
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into clean container. (see figure H) 2. Close the cabinet door and dispense the warm water the same way, as it would be a product. Dispensing should last for no longer than 90 seconds. 3. Repeat the above for all remaining dispensing stations. Washing Parts Proceed as described in “Wash Parts” without flushing. Sanitizing Prepare sanitizing solution per instruction on the package changing the strength of the solution to be equivalent to 6+1 e.g. If instruction calls to dilute contents of the sa
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MAINTENANCE Daily: System Flushing (See pages 7-8) Weekly: System flushing and washing (See pages 8-9) MAINTENANCE (cont.) Biweekly: Sanitizing (See page 8-9). Ice bank water level check up. (See figure J) Note: Make sure that water level in the drain tube is even with tank overflow outlet. Monthly: 1. Check the condenser for dust build up. If necessary clean the condenser with a bristle brush. 2. After sanitizing, remove dispensing base assembly and wipe off the interior of the cabinet with a c
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TROUBLESHOOTING WARNING: Only a qualified service technician should perform Electrical and mechanical adjust- ments of repairs. Always disconnect power before attempting any maintenance procedures. UNIT DISPENSES POOR BRIX DRINK OR SYRUP/CONCENTRATE ONLY IS THE DOOR MERCHANDISER LIGHT ON Crathco® Post Mix Beverage Dispensers Page 11
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TROUBLESHOOTING (con’t.) YES Page 12 Crathco® Post Mix Beverage Dispensers
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TROUBLESHOOTING (con’t.) DOES ICE-BANK HAVE NO ICE OR PARTIAL ICE AROUND COIL Crathco® Post Mix Beverage Dispensers Page 13
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TROUBLESHOOTING (con’t.) 1. THERE IS RESTRICTION IN WATER SUPPLY LINE OR IN THE COOLING COIL 2. POSSIBLE RESTRICTION AT THE SUCTION SIDE OF THE WATER PUMP OR AT THE DISCHARGE IN THE INSIDE OF THE WATER Page 14 Crathco® Post Mix Beverage Dispensers
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TROUBLESHOOTING (con’t.) UNIT DISPENSES POOR BRIX DRINK OR SYRUP/CONCENTRATE ONLY UNIT DISPENSES SYRUP/CONCENTRATE ONLY IS DRINK TOO RICH 1. CHECK CORRESPONDING SOLENOID VALVE FOR POWER SUPPLY OR MALFUNCTION 2. CHECK INLET SOLENOID VALVE FOR POWER SUPPLY OR MALFUNCTION TUBING IN PUMP HAS OPERATED LONGER THAN 6 MONTHS OR WAS USED EXCESSIVELY Crathco® Post Mix Beverage Dispensers Page 15
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TROUBLESHOOTING (con’t.) Page 16 Crathco® Post Mix Beverage Dispensers
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FINAL ASSEMBLY EXPLODED ITEM P/N DESCRIPTION 1 3373 SWITCH, ROCKER 2 9105 O-RING, .864 ID X .070 W 3 9108 FITTING, 3/8 X 3/8 X /38 BARB PLASTIC TEE 4 9137 SCREW, 8-32 X 3/8 TAPTITE II SS BLACK 5 0069 SCREW, 8-32 X 1/2 PH TR HD TYPE F 410 SS 6 9110 SCREW, 8-32 X 5/8 PLAIN THUMB SS 7 9126 PLUG, HEYCO 2633 8 9304 PANEL, BACK LOWER 9 9307 PANEL, UPPER SPLASH 10 9308 PANEL, LOWER SPLASH 11 9311 SPACER, HINGE 12 9315 PLATE, DOOR GUIDE 13 9316 PANEL, BACK UPPER 14 9319 PANEL, SIDE 15 9322 PANEL, ACCESS
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CONDENSING UNIT EXPLODED VIEW ITEM P/N DESCRIPTION 1 1828 GROMET, COMPRESSOR 3250 2 1830 WASHER, COMPRESSOR 3 1831 CLIP, COMPRESSOR 4 9506 VALVE, INLET 2.2 GPM 24VDC 5 9517 TRANSFORMER 220VAC TO 28VAC, 150VA 9532 TRANSFORMER 115VAC TO 28VAC 6 3250 COMPRESSOR 240/220V 50 Hz 3247 COMPRESSOR 115V/60Hz 7 3371 CONDENSER 8 9521 BALLAST, LAMP F8T5 P/N 61118 8218 BALLAST, 120V 9 9522 RELAY, 12VDC COIL 10 9205 CONTROLLER ASSEMBLY 11 1000 SILENCER, FAN BLADE 12 1459 CONDENSER FAN BLADE 13 1584 FAN MOTOR 2
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DISPENSING BASE EXPLODED VIEW REPLACEMENT PUMP KITS MAY BE ORDERED AS FOLLOWS: P/N 9401 KIT PERSTALTIC PUMP DUAL P/N 9400 KIT PERSTALTIC PUMP SINGLE ITEM P/N QTY 6 9134 1 ITEM P/N QTY 7 9135 2 6 9134 1 8 9136 2 7 9135 1 10 9141 1 8 9136 1 11 9160 4 11 9160 4 12 9161 6 12 9161 3 13 9162 2 13 9162 1 14 9163 1 17 9177 1 17 9177 2 23 9334 1 ITEM P/N DESCRIPTION ITEM P/N DESCRIPTION 19 9312 BASE, DISPENSING 1 9103 FITTING, ELBOW 45 1/4 X BARB 2 9123 FITTING, ELBOW 45 3/8 X BARB DOUBLE O’ RING 20
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REFRIGERATION SYSTEM EXPLODED VIEW ITEM P/N DESCRIPTION 1 9137 SCREW, 8-32 X 3/8 TAPTITE II SS BLACK 2 9109 TUBING, 3/8 D X 1/16 WALL TY GON B-44-4X 3 9153 TUBING, 3/8 D INNERBRAIDED PVC 4 9201 CONDENSING UNIT ASSEMBLY 220V 9227 CONDENSING UNIT ASSEMBLY 115V 5 9202 ICE-BANK ASSEMBLY 220V 9228 ICE-BANK ASSEMBLY 115V 6 9703 ACCUMULATOR, 1 3/16 OD X 8" Page 20 Crathco® Post Mix Beverage Dispensers
