Grindmaster Crathco PM4-B Operation And Instruction Manual
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Grindmaster Crathco PM4-B Operation And Instruction Manual

Post mix beverage dispensers
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Crathco
Operation and Instruction Manual

TABLE OF CONTENTS

Installation ..................................................3-5
Operating and Adjustments.........................5-7
Care and Cleaning......................................7-9
Maintenance Service ................................9-10
Troubleshooting.......................................11-16
Exploded Views ......................................17-23
Electrical Diagrams .................................24-25
Refrigeration Diagram ..................................26
Prior authorization must be obtained
from Grindmaster Crathco Systems for all war-
ranty claims.
Grindmaster Crathco Systems, Inc., 2000
PRINTED IN THE USA
Post Mix Beverage Dispensers
®
Model PM4-B & PM45-B
for
GRINDMASTER CRATHCO SYSTEMS, INC.
480 Neponset Street
Canton, MA 02021 USA
(617) 828-1250
FAX (617) 828-9617
www.grindmaster.com
MODEL PM4-B
0700 Form # CC-398-03
Part # 9408

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  • Page 1: Table Of Contents

    Troubleshooting...11-16 Exploded Views ...17-23 Electrical Diagrams ...24-25 Refrigeration Diagram ...26 Prior authorization must be obtained from Grindmaster Crathco Systems for all war- ranty claims. Grindmaster Crathco Systems, Inc., 2000 PRINTED IN THE USA Post Mix Beverage Dispensers GRINDMASTER CRATHCO SYSTEMS, INC.

  • Page 2: Warnings And Safety Precautions

    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. Both cooling systems: patented cabinet cooling system and ice-bank water cooling system do not require manual adjustment or settings.

  • Page 3: Installation

    This unit is supplied with a 6” (2m) long 2 wire plus ground power cord. The PM45-B connector is suitable for standard single phase 220V/50Hz power supply. PM4-B models should be connected to a 115V 60 Hz power supply. This cord exits the unit out the bottom of the base and should be routed per National Electric Code.
  • Page 4 WARNING: Only a qualified service technician should service internal electrical components. Installing Your Unit (cont.) 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!

  • Page 5: Specifications

    CAPILLARY TUBE, HERMETIC 4A, 5A (MAX) 6 A Slow Blow Controller 50 ML/SEC 2 - 2.7 BAR; 29-40 PSIG 15.5 C - 32.2 C 60-90ÞF(guaranteed performance) NOM. 4 LITERS (FOUR 1L TETRAPACK) PM45-B 115/60Hz 7A, 8A (MAX) PM4-B (Figure C) Page 5...
  • Page 6 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.

  • Page 7: Care And Cleaning

    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 To dispense the drink, depress and hold dispensing push button as long as needed.
  • Page 8 Washing Parts (cont.) Remove the dispensing nozzle from the machine by turning it 90 to the left or right side, pulling it down. If problem pulling it down, turn the nozzle with quick short left to right and back motions pulling it sure that the nozzle is in the proper position.

  • Page 9: Maintenance Service

    into clean container. (see figure H) 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. Repeat the above for all remaining dispensing stations. Washing Parts Proceed as described in “Wash Parts”...
  • Page 10 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: Check the condenser for dust build up.

  • Page 11: Troubleshooting

    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 THE DOOR MERCHANDISER LIGHT ON Crathco Post Mix Beverage Dispensers Page 11 ®...
  • Page 12 TROUBLESHOOTING (con’t.) Page 12 Crathco Post Mix Beverage Dispensers ®...
  • Page 13 TROUBLESHOOTING (con’t.) DOES ICE-BANK HAVE NO ICE OR PARTIAL ICE AROUND COIL Crathco Post Mix Beverage Dispensers Page 13 ®...
  • Page 14 TROUBLESHOOTING (con’t.) Page 14 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 Crathco Post Mix Beverage Dispensers ®...
  • Page 15 TROUBLESHOOTING (con’t.) 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 Crathco Post Mix Beverage Dispensers ® UNIT DISPENSES POOR BRIX DRINK OR SYRUP/CONCENTRATE ONLY UNIT DISPENSES...
  • Page 16 TROUBLESHOOTING (con’t.) Page 16 Crathco Post Mix Beverage Dispensers ®...

  • Page 17: Exploded Views

    ITEM Crathco Post Mix Beverage ® FINAL ASSEMBLY EXPLODED DESCRIPTION 3373 SWITCH, ROCKER 9105 O-RING, .864 ID X .070 W 9108 FITTING, 3/8 X 3/8 X /38 BARB PLASTIC TEE 9137 SCREW, 8-32 X 3/8 TAPTITE II SS BLACK 0069 SCREW, 8-32 X 1/2 PH TR HD TYPE F 410 SS 9110 SCREW, 8-32 X 5/8 PLAIN THUMB SS...
  • Page 18 CONDENSING UNIT EXPLODED VIEW ITEM DESCRIPTION 1828 GROMET, COMPRESSOR 3250 1830 WASHER, COMPRESSOR 1831 CLIP, COMPRESSOR 9506 VALVE, INLET 2.2 GPM 24VDC 9517 TRANSFORMER 220VAC TO 28VAC, 150VA 9532 TRANSFORMER 115VAC TO 28VAC 3250 COMPRESSOR 240/220V 50 Hz 3247 COMPRESSOR 115V/60Hz 3371 CONDENSER 9521...
  • Page 19 DISPENSING BASE EXPLODED VIEW ITEM DESCRIPTION 9103 FITTING, ELBOW 45 1/4 X BARB 9123 FITTING, ELBOW 45 3/8 X BARB DOUBLE O’ RING 9124 FITTING, Y BARB X 1/4 ID 9132 GEAR MOTOR, SHORT SHAFT 24V DC NOM 9133 GEAR MOTOR, LONG SHAFT 24V DC NOM 9134 ROLLER ASSY, SYRUP, PERISTALTIC PUMP 9135...
  • Page 20 REFRIGERATION SYSTEM EXPLODED VIEW Page 20 ITEM P/N DESCRIPTION 9137 SCREW, 8-32 X 3/8 TAPTITE II SS BLACK 9109 TUBING, 3/8 D X 1/16 WALL TY GON B-44-4X 9153 TUBING, 3/8 D INNERBRAIDED PVC 9201 CONDENSING UNIT ASSEMBLY 220V 9227 CONDENSING UNIT ASSEMBLY 115V 9202 ICE-BANK ASSEMBLY 220V 9228 ICE-BANK ASSEMBLY 115V 9703 ACCUMULATOR, 1 3/16 OD X 8"...
  • Page 21 EVAPORATOR ASSEMBLY/CABINET COOLING PUMP EXPLODED VIEW Crathco Post Mix Beverage ® ITEM DESCRIPTION 9413 TUBING, 3/8 D X 1/16 WALL TYGON 9203 EVAPORATOR ASSEMBLY, ICE-BANK 9225 TANK FOAMED, ICE-BANK 9701 COIL, WATER COOLING HEAT EXCHANGER 9411 SCREW, 8-32 X 3/8 TAPTITE II SS BLACK 9500 MOTOR AGITATOR 220V 50Hz 9531...
  • Page 22 UPPER CABINET EXPLODED VIEW Page 22 ITEM DESCRIPTION 9505 FAN, COOLING 20-27 VDC 9718 COIL, CABINET COOLING 9813 SHROUD, CABINET COOLING 9137 SCREW, 8-32 X 3/8 TAPTITE II SS BLACK 9519 HARNESS, COOLING FAN EXTENSION 9138 SCREW, #8 X 1 1/2 PH PN HD ZINC PL 9109 TUBING, 3/8 ID X 1/16 WALL TYGON 9140 SCREW, 8-32 X 1/2 PH TR HD TY PE F 410 SS 9217 CABINET COOLING SYSTEM...
  • Page 23 MERCHANDISER EXPLODED VIEW ITEM DESCRIPTION 9128 BEARING, HINGE 9167 KEYED DOOR LOCK 9173 FEATHER FASTNER-FASTEX, TRUSSHEAD 9323 PANEL, GASKET RETAINING 9511 HARNESS, DAISY JUMPER (NOT SHOWN) 9524 LAMP, F8T5 FLUORESCENT 9525 HOLDER, MINI-BI PIN 9527 SWITCH, DISPENSING ACCESSORY KIT EXPLODED VIEW Crathco Post Mix Beverage ®...

  • Page 24: Electrical Diagrams

    Page 24 Crathco Post Mix Beverage Dispensers ®...
  • Page 25 Crathco Post Mix Beverage Page 25 ®...

  • Page 26: Refrigeration Diagram

    REFRIGERATION DIAGRAM PLUMBING DIAGRAM Page 26 Crathco Post Mix Beverage Dispensers ®...

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Crathco pm45-b

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