Grindmaster CRATHCO HC-2 User's Manual
Contents
1. Clean replace fill valve stop tank fill e Electrode lined up or faulty e Jumper from C to high on probe side of Clean electrode rods Check board shuts fill off rods amp wiring replace if necessary e Faulty white common e Jumper from COM on probe side of e Tighten clean replace COM connection to ground board to ground stops fill connection to ground e Liquid level control faulty Jumper from High to COM on probe e Replace liquid level control side of liquid level does not shut fill Off Water not heating up e Thermostat Off Visual e Turn thermostat sleeve clockwise Thermostat faulty Thermostat contacts do not close with e Replace thermostat sleeve clockwise and inner screw counter clockwise e Power relay faulty No voltage to heating element 120V e Replace power relay across coil of relay does not pull in e Heating element faulty 120V across heating element but no e Replace heating element heat element reads open with ohmeter Nothing dispensed water or chocolate No whipper action e Dispense switch faulty Switch reads open with ohmeter when Replace switch switch is pushed No water dispensed or whipper action Only chocolate is dispensed e Water switch faulty Switch reads open with ohmeter when Replace switch switch is in On position No water dispensed Whipper works and chocolate is dispensed e Tank refill problem Check auto refill system e Clean replace components e Kinked silicone tubing Check tubin2. unit using a 1 4 female flare nut 4 Copper or brass tubing or stainless steel braided teflon lined or similar high temperature food grade hose should be used for the water line Include extra length of water supply line to allow room to move the unit for cleaning 5 Hot or cold water hookup can be used Hot water will increase the production of the dispenser 6 Be sure to flush the supply line before making the connection to dispenser 7 A shut off valve and union should be in the supply line near the dispenser Caution Do not use low temperature plastic tubing for water supply line Start Up Procedures 1 Plug the hot chocolate dispenser into a 120V 20 AMP NEMA 15 20 outlet A 6 foot 3 wire cord with NEMA 5 20 plug is required 2 Fill the hot chocolate dispenser with water With power and water supplies to the dispenser turned On the dispenser will automatically fill with water The water tank holds 2 3 4 gallons It takes approximately 5 minutes to initially fill the water tank because of the auto refill system employed with this dispenser When the water tank is full of water filling will stop and the water level will be maintained at this point 3 The water in the tank will automatically heat up to dispensing temperature A 30 40 minute initial heat up time is required when the dispenser is connected to 50 degree F water If a hot water hookup is used heat up time will be shorter How to Dispense a Cup of Hot Ch
3. 8 064 Angle Outlet Restrictor 720 036 Whipper Assembly 585 250 Clear Tygon Tubing 12 1 2 585 048 Syrup Dispense Tubing 15 585 049 Water Outlet Tube 3 1 2 585 045 Water Dispense Tube 6 585 039 Overflow Tube 1 2 OD x 24 585 047 Cleaning Tube 1 2 OD x 12 511005 1 1 8 cp Hole Plug for Dispense Valve Optional 530 021 K2K 30 661 Portion control Timer NCC 531 033 HC Red Stop Switch Button Crathco Whipped Hot Chocolate Dispensers Page 12
4. Crathco Whipped Hot Chocolate Dispenser Operation and Instruction Manual for Model HC 2 Table of Contents Introduction Specifications Installation and Start Up Procedures How to Dispense Hot Chocolate Adjustments Cleaning Troubleshooting Guide Rough In Drawings Exploded Views Wiring Diagram Parts List Prior authorization must be obtained from Grindmaster Corporation for all warranty claims Grindmaster Corporation G 4003 Collins Lane Louisville Kentucky 40245 USA 502 425 4776 800 695 4500 GRINDMASTER 800 568 5715 Technical Service FAX 502 425 4664 CORPORATION a www grindmaster com O Grindmaster Corporation 1996 0804 Form CC 316 03 PRINTED IN USA Part 090 099 Introduction We are pleased you have chosen Crathco s Whipped Hot Chocolate Dispenser for your hot chocolate service You have chosen the finest engineered most functionally sound and easy to operate piece of equipment available The HC 2 is a manual push and hold dispense machine producing 1 ounce of chocolate per second into any cup size It will accommodate bag in boxes cans or hoppers of chocolate syrup Inside the carton you should find 1 HC 2 Whipped Hot Chocolate Machine 2 Plastic chocolate hopper optional 3 Drip tray 4 Operation and Instruction Manual The HC 2 Whipped Hot Chocolate Dispenser is supplied complete with a 6 foot 120V A C 3 wire cord and NEMA 5 20 plug Plugging the unit into a NEMA 5 20R o
5. er to 1 part chocolate A nacen CHOCOLATE E STRONGER CHOCOLATE Fy SLOT 1 Remove the hole plug A E 1 2 Insert a screwdriver in the slot and turn ge clockwise for less water stronger E i chocolate or counter clockwise for more water weaker chocolate Refer to Figure E FIGURE E Page 3 Crathco Whipped Hot Chocolate Dispensers Thermostat Adjustment Access to temperature adjustment is from the top To remove the top cover remove the 2 screws and lift the cover off Water temperature is factory set at 180 degrees F 5 degrees F Insert a screwdriver in the slot and turn clockwise to obtain WARNING Adjustments are to be done only by a qualified service technician Water temperature setting is made in the top control section where electrically live parts are present Your product supplier can be helpful in providing this expertise and making sure the correct dispense temperature is obtained CALIBRATION SET SCREW CW LOWER TEMPERATURE 0 OFF CCW HIGHER TEMPERATURE N i HEAT D SLEEVE FULL CW 0N a lower temperature and counterclockwise for a higher THERMOSTAT LABEL temperature Refer to Figure F N EEMS TIRARE TOP VIEW TOP COVER REMOVED FIGURE F Cleaning Daily Cleaning Mixing Chamber 1 2 The stainless steel cabinet is kept clean with a damp cloth or a stainless steel cleaner Push the whip
6. g run to mixer assembly e Reroute tubing unkink e Dispense valve faulty 120V across input terminals on valve e Replace coil or entire valve no actuation No whipper action only water and chocolate are dispensed e Whipper motor faulty 120V across motor leads but motor e Replace whipper motor does not run No chocolate dispensed Whipper works and some water is dispensed e No syrup to pump Check syrup container e Replenish syrup supply e Kinked pump tubing Check tubing runs e Unkink reroute replace e Syrup pump faulty 120V across pump motor leads pump Replace syrup pump Unjam does not run check for jammed rollers rollers Constant dispense chocolate water and whipper action e Dispense switch faulty Switch reads closed with ohmeter with e Replace switch switch in the Off position Constant water dispense or drip e Dispense or drip continues with e Clean rebuild replace e Dispense valve faulty power Off dispense valve Crathco Whipped Hot Chocolate Dispensers Page 6 Troubleshooting Guide cont Problem Possible Cause Service Check Chocolate is dispensed or constantly dripping e Syrup pump rollers not e Check for syrup pump rollers in storage Rotate pump to engage rollers engaging silicone tubing position or weak springs or replace pump e Pump tubing faulty e Check for holes in tubing or loose e Replace pump tubing check connections to break vacuum connections If you still need help call ou
7. ocolate 1 Make sure the dispenser is filled with water and up to temperature 2 Load a hot chocolate bag in box or fill hopper with chocolate syrup Crathco Whipped Hot Chocolate Dispensers Page 2 How to Dispense a Cup of Hot Chocolate cont Bag in Box Loading Instructions a Lift the tab located on top of the box b Pull out the tube assembly with the retainer ring c Secure the retainer ring on the leading edge of the cutout Refer to Figure A d Insert the product box on the product shelf with the top side down and with the hose assembly toward the front e Remove the stopper cap from the box tube assembly Refer to Figure B f Connect the box tube assembly over the pump inlet tube g Remove the pinch clamp from the box tube assembly Refer to Figure C h You are now ready to draw product i 3 Push and hold the dispense switch FIGURE C NOTE It takes a few seconds to engage the hot chocolate pump rollers and Seren to move the hot chocolate through the pump to the mixer assembly SYRUP SWITCH Refer to Figure D PUSH BUTTON WATER SWITCH 4 The dispenser is now ready for operation O Adj ustme nts DISPENSE SWITCH l PRESS amp HOLD TO DISPENSE CHOCOLATE Front Elevation Mix Ratio Adjustment FIGURE D The drink strength is adjustable from 4 parts water to 1 part chocolate to 6 parts water to 1 part chocolate The dispenser is factory set at 5 parts wat
8. per rinse switch to flush until the water leaving the dispense spout is clear Weekly Cleaning Mixer Refer to Figure G 1 2 Disconnect the hoses to the mixer Lift off the cover Lift off the funnel cover Turn the whipping chamber clockwise and pull it off Pull off the whipping blade Leave the backing washer on the metal shaft Wash all parts in mild soap Rinse well and reassemble Product Switch Cover Water Switch RERE Be Mixing Chamber 00 G k O a Inlet Tube Pump Water ug an Whipping Chamber Crathco Whipped Hot Chocolate Dispensers Page 4 Cleaning cont Weekly Cleaning Syrup System 1 Close the clamp on the product box tube and disconnect from the pump inlet 2 Connect the cleaning tube to the pump inlet and drop the open end of the tube into a basin of hot soapy water 3 Push the pump rinse switch until clear water leaves the spout 4 Repeat steps 3 with hot clean water until there is no trace of soap 5 Remove the cleaning tube and reconnect the pump inlet to the box tube Open the clamp on the box tube NOTE DO NOT UNDER ANY CIRCUMSTANCES USE CHLORINE BASE BLEACH OR CLEANING COMPOUNDS Page 5 Crathco Whipped Hot Chocolate Dispensers Troubleshooting Guide The following procedures must be performed by a qualified service technician Problem Possible Cause Service Check Consistent filling of water tank e Leaking fill solenoid valve e Removing power to machine does not e
9. r Technical Service Department at 800 568 5715 USA or Canada or 1 502 425 4776 Monday through Friday 8 am 6 pm EST or an authorized service center in your area Please have the model and serial numbers ready so that accurate information can be given Prior authorization must be obtained from Grindmaster Corporation s Technical Services Department for all warranty claims Page 7 Crathco Whipped Hot Chocolate Dispensers Rough In Drawings Product Shelf Drink Strength 17 he Adjustment Behind Hole Plug Syrup Connection Product Rinse Push Button Switches FRONT SIDE Door removed for clarity UTILITIES Water Connection Electric 1 Hot or Cold Supply 1 120 AC 20 Amp Service Required 2 75 GPM Minimum Flow At Unit 2 1800 Watt Tank Heater 15 Amp 30 to 70 PSIG Total Load Approx 6 FT 120 Vac Cord With NEMA 5 20 Plug 1 he 7 he 3 Water Inlet 1 4 SAE Male Flare Fitting Water Tank Drain Plug Drawing A090 757 Crathco Whipped Hot Chocolate Dispensers Page 8 Exploded View Whipper Assembly FRONT CONTROL PANEL ANCIANO 1 earo 1810x1600 ar a reece 1 ons 0280x0070 rss 7 ia 4 ado umIBor ws ESA Drawing A720 036 Rev B Page 9 Crathco Whipped Hot Chocolate Dispensers Exploded View Pump A548 111 A548 112 A314 553 MFG BY A M W CLEAR TYGON TUBING P N A585 250 SUPPLIED WITH PUMP Drawing A0903 028 Re
10. utlet 20 AMP receptacle is the only electrical service required Plumbing service requires a high temperature food grade water supply line The water supply line is connected to a 1 4 male flare fitting in the rear of the unit Installation should comply with the National Plumbing Code HC 2 Hot Chocolate Dispenser Specifications Model HC 2 Dispenser Rate Production Capacity 120 degrees F water in 230 5 oz cups hour 50 degrees F water in 115 5 oz cups hour Power Requirement 1800 watts 15 Amps Electrical Service 120 Volt a c 20 Amp NEMA 5 20 outlet Plumbing Service 0 75 GPM minimum 30 75 PSI water supply line to 1 4 male flare fitting Dispenser Spout Clearance 6 Body Depth Product Compartment 10 Hx 9 W x 10 D Page 1 Crathco Whipped Hot Chocolate Dispensers Installation and Start Up Procedures 1 Remove all packing material around the chocolate dispenser 2 Place the hot chocolate dispenser upright on a leveled table at location intended for operation 3 Place the drip tray on the front of the dispenser using the 2 locating tabs on the sides of the tray Water Inlet Connection 1 An experienced plumber or equipment installer should connect the dispenser to a properly sized water line Water supply should be 0 75 GPM minimum 30 75 PSI 2 Installation should comply with the National Plumbing Code 3 The water supply line connects to the male flare found on the rear of the
11. v Rel Crathco Whipped Hot Chocolate Dispensers Page 10 Wiring Diagram 120V With Portion Control Option 5 120 VAC GREEN PLUG amp CORD q Loe eg n TCH E SWITCH r NOTE b COMPONENT WIRING NOT INCLUDED IN HARNESS Q DISPENSE DESIGNATED BY EJ VANE WHIPPER MOTOR Drawing 091 329 Page 11 Crathco Whipped Hot Chocolate Dispensers HC 2 Parts List PART NO DESCRIPTION 515067 515074 Power Cord 549 006 Liquid Level Control 712 046 Thermostat 712 018 Electrode Assembly 515027 Power Relay 25 30 Amp 115V Coil 535 058 Heater 537 025 Water Fill Valve 537 009 Fill Valve Repair Kit 537 033 Coil for Fill Valve 537 022 0 5GPM Flow Disc for Fill Valve 720 024 Heater Tank Fill Tube Outlet from Fill Valve 550 089 Wiring Harness 537 109 Dispense Valve 531 009 Dispense Relay Manual 537 016 Repair Kit for GS56 Dispenser Valve 537 030 Adjustable Gate for Dispenser Valve 515001 Product Rinse Button 531 029 Dispense Switch 533 040 Hot Chocolate Pump 548 111 Hose Barb Plastic 0 250 x 0 250 Fitting 548 112 Hose Barb Plastic 0 250 x 0 312 Fitting 533 023 Whipper Motor 548 066 Slinger Washer 548 063 Self Locating Whipper Base 551 058 1 4 ID 5 16 OD x 3 16 Bearing 544 034 0 250 x 0 616 x 0 188 Seal 544 033 0 250 x 0 070 O Ring 548 065 4 Blade Whipper W Stop 548 067 Whipper Cover 548 078 Whipper Funnel 548 062 GM Whipper Chamber 54
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