Howe HoweIce Rapid Freeze 4000-RL-CO 2DX Installation & Service Manual Download

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Howe Corporation

Phone: 1-773-235-0200

Fax: 1-773-235-0269

1650 North Elston Avenue

Website: www.howecorp.com

Chicago, IL 60642-1585

Email: [email protected]

Rapid Freeze

Ice Flaker

Installation & Service Manual

For Use with Parallel Compressor Rack System

1000-RLE-CO

2000-RLE-CO

Summary of Contents for HoweIce Rapid Freeze 4000-RL-CO 2DX

Page 1: ...1 773 235 0269 1650 North Elston Avenue Website www howecorp com Chicago IL 60642 1585 Email howeinfo howecorp com Rapid Freeze Ice Flaker Installation Service Manual For Use with Parallel Compressor...

Page 2: ...ts 7 FIELD INSTALLATION 8 Safety Information and Guidelines 8 Inspection 8 Piping 8 Field Wiring 9 Leak Testing 9 Evacuation 9 Installation Checklist 10 START UP AND OPERATION 11 Water Operation 11 Re...

Page 3: ...45 F 7 C to 90 F 32 C Minimum Water Supply Temp Maximum Water Supply Temp 45 F 7 C 90 F 32 C The cold water supply pressure must be within a 20 PSIG 140 kPa to 60 PSIG 410 kPa range Minimum Water Pre...

Page 4: ...r conditions A dedicated 1 2 ODS copper cold water supply should be located within 4 feet of the Ice Flaker complete with hand shut off valve A 3 8 OD copper tube should connect the field installed sh...

Page 5: ...n a liquid line branch feeding the Ice Flaker it must be a type which allows backwards flow to prevent liquid trapping between the valve and the Ice Flaker The Ice Flaker has its own liquid line solen...

Page 6: ...6 Engineering Guidelines Figure 1...

Page 7: ...in the enclosure Installation specifications should require all refrigerant piping should be joined with a suitable silver brazing alloy while purging nitrogen through the piping to prevent copper oxi...

Page 8: ...factory However foreign matter may enter the system by way of the piping to the RPCP Therefore care must be used during installation of the piping to prevent entrance of foreign matter Install all ref...

Page 9: ...e compressor while it is in a vacuum A good deep vacuum pump should be connected to both the low and high side evacuation valves with copper tube or high vacuum hoses 1 4 ID minimum If the compressor...

Page 10: ...ly Requirements p 3 4 Has the filtered water supply been verified as not RO water see Water Supply Requirements p 3 5 Has the Ice Flaker been located near a floor sanitary drain see Drain Water Piping...

Page 11: ...t Up and Operation Water Operation 1 Water Inlet Connection 2 Float Valve 3 Water Pump 4 Water Regulating Valve 5 Water Distribution Pan Side Spout 6 Sump Connections 7 Stop Valve 8 Condensate Drain O...

Page 12: ...end of the Float Valve Rotate clockwise to raise the water level and counterclockwise to lower the water level Water Pump The Water Pump drives the water in a continuous flow through the system The Wa...

Page 13: ...level in the Water Distribution Pan should be about halfway full The Side Spouts should never be starved of water Water Regulating Valve Adjust the water level in the Water Distribution Pan by openin...

Page 14: ...Up Operation Refrigerant Operation Piping insulation not shown 1 Solenoid Valve 2 Electronic Expansion Valve EEV 3 Evaporator 4 Pressure Transducer 5 Evaporator Pressure Regulator EEPR 6 Pressure Reli...

Page 15: ...al Pressure Relief Valves The Internal Pressure Relief Valves will relieve any excess pressure from the evaporator to the rack Field Capacity Check The Ice Flaker is a continuous production machine an...

Page 16: ...r Overload Indicator Light 1 Term 1 24V Input Power 2 Term 2 24V Input Power 3 Term 3 Control Signal 4 Term 4 Motor Overload Reset 5 Term 5 Motor Overload Switch Leg 6 Term 6 Ice Flaker Run Switch Leg...

Page 17: ...ng light It operates in one of three main modes Normal Operation Off Delay Cycle Overload Condition Normal Operation Normal Operation begins when the Control Module senses voltage at the Control Signa...

Page 18: ...anges are made to the Drive Motor or Main Shaft Motor Overload Setting The proper adjustment of Motor Overload Setting will protect the Ice Flaker and help avoid nuisance service calls To set the Moto...

Page 19: ...Start Up Operation 19 Photo Eyes Level Control Emitter Part E20T104 Two Pins Blue Brown One LED Green Receiver Part E20T105 Three Pins Blue Black Brown Two LEDs Green Amber...

Page 20: ...wires connected Correct Voltage With Level Control Relay plugged in and power to Ice Flaker on unplug Emitter and Receiver Use a voltmeter to verify 24 volts across blue and brown pins Alternatively y...

Page 21: ...Application EPr EPr PCAL Pressure Calibration Offset 0 0 Prng Pressure Sensor Range 500 500 StEP Valve Steps 2500 2500 u_HI Maximum Valve Position 100 100 u_Lo Minimum Valve Position 5 5 PSiH Pressure...

Page 22: ...SUPS Supermarket Mode OFF OFF dbnd Superheat Control Deadband 2 2 P Proportional Coefficient 40 40 I Integral Coefficient 25 25 d Derivative Coefficient 5 5 StEP Valve Type 2500 2500 SPos Manual Valve...

Page 23: ...Start Up Operation 23 Mechanical Operation 1 Ice Deflector 2 Ice Blade 3 Squeegee 4 Speed Reducer 5 Drive Motor...

Page 24: ...r Scraper This plastic arm clears any excess buildup of ice on the Ice Deflector as it passes by the Ice Deflector Scraper The Ice Deflector should never touch the Ice Deflector Scraper or the Bottom...

Page 25: ...ice which causes drag on the Ice Blade This puts greater stress on the Sleeve Bearings and causes them to wear faster than normal The 1000 RLE does not feature a Squeegee However it has a longer dryin...

Page 26: ...l Module 1 time The Drive Motor and Speed Reducer will only fit in the enclosure in the orientation shown above Sleeve Bearings Ice Flakers have two Sleeve Bearings on the Main Shaft located in the To...

Page 27: ...y Check see Field Capacity Check p 15 5 Have you set the Off Delay Setting on the Control Module see Off Delay Setting p 17 6 Have you set the Motor Overload Setting on the Control Module see Motor Ov...

Page 28: ...31 Ensure Float Valve is unclogged and flowing freely 12 Verify correct Sequence of Operation of Photo Eye sensors 20 Clean and Sanitize Ice Flaker 29 Replace Water Filter Cartridge 33 Run a Field Ca...

Page 29: ...Turn the Power Switch Off at the Ice Flaker Control Panel 2 Open Ice Flaker Control Panel and turn Off Delay timer knob fully clockwise to 30 minutes run time 3 Remove all ice from Ice Bin 4 Close wat...

Page 30: ...h water until all cleaning solution is flushed out Sanitizing Procedure 1 Mix 16 oz of household bleach with 2 gallons of warm water 90 F 115 F 2 Pour solution into the Water Sump to the normal operat...

Page 31: ...ducer Oil should drain out when setscrew is removed Add oil through top Allen head screw opening until oil seeps out of centered screw opening Do not overfill Sleeve Bearing Lubrication The bearings s...

Page 32: ...down time Scale forms on wetted surfaces accumulates in tubing and fittings and interferes with operation Sediment The formation of scale from dissolved minerals is made worse by sediment Sediment is...

Page 33: ...ball valve 2 Press the red button to release pressure 3 Remove housing s use filter wrench if necessary Clean housings with warm water If desired disinfect housings using 1 2 teaspoon of household bl...

Page 34: ...Ice Bin is full 1 Defective Emitter Photo Eye 1 Unplug Emitter Photo Eye and wait longer than Off Delay setting If Ice Flaker stops Emitter Photo Eye may be defective and need to be replaced 2 Defecti...

Page 35: ...orrespondence with the nameplate 7 Loose wiring 7 Check all wire terminals and tighten as necessary Water Pump will not run 1 Defective Control Module CM 1 Verify 24 VAC present across Term 1 purple a...

Page 36: ...tside mandatory range 3 Adjust ambient temperature to between 50 F and 100 F In unable to adjust relocate the Ice Flaker For temperatures below range contact Howe about Low Ambient Kit Ice freezes tog...

Page 37: ...Appendix 37 Appendix Cut View 1000 RLE...

Page 38: ...38 Appendix Cut View 2000 RLE...

Page 39: ...Appendix 39 Assembly Drawing 1000 RLE Ice Flaker CP750 Mobile Express Ice Bin...

Page 40: ...40 Appendix Assembly Drawing 2000 RLE Ice Flaker CP1500 Mobile Express Ice Bin...

Page 41: ...Appendix 41 Wiring Diagram Ice Flaker Main Control Panel...

Page 42: ...42 Appendix Wiring Diagram CO2 EEV EEPR Control Panel...

Page 43: ...Installation Service Manual For Use with Parallel Compressor Rack CO2DX RLE Revision Date Mar 20...

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