Follett Horizon Elite HMD710A Operation And Service Manual
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Follett Horizon Elite HMD710A Operation And Service Manual

Follett Horizon Elite HMD710A Operation And Service Manual

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Order parts online
www.follettice.com
Following installation, please forward this manual
HCD710A, HMD710A
Horizon Elite™ Ice Machines (Self-contained)
to the appropriate operations person.
801 Church Lane • Easton, PA 18040, USA
Toll free (877) 612-5086 • +1 (610) 252-7301
www.follettice.com
HCD710A, HMD710A
Operation and Service Manual
01223080R02
1

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  • Page 1 HCD710A, HMD710A Horizon Elite™ Ice Machines (Self-contained) Order parts online Operation and Service Manual www.follettice.com Following installation, please forward this manual to the appropriate operations person. 801 Church Lane • Easton, PA 18040, USA Toll free (877) 612-5086 • +1 (610) 252-7301 01223080R02 HCD710A, HMD710A www.follettice.com...

  • Page 2: Table Of Contents

    Welcome to Follett ........

  • Page 3: Welcome To Follett

    Before you begin After uncrating and removing all packing material, inspect the equipment for concealed shipping damage. If damage is found, notify the shipper immediately and contact Follett LLC so that we can help in the filing of a claim, if necessary.

  • Page 4: Specifications

    Notes: § Water shut-off recommended within 10 feet (3m). § Water supply must have particle filtration. Follett recommends the filter system that has integral scale inhibitors. (Follett item# 00130286). § Follett does not recommend the use of water softeners or bowl scale inhibitors.
  • Page 5 Ambient Air temperature 100 F/38 C max. 50 F/10 C min. Water temperature 90 F/32 C max. 45 F/7 C min. Water pressure – potable 70 psi max. (483 kPa) 10 psi min. (89 kPa) Heat rejection Air-cooled 8,500 BTU/hr Ice production 710 Air-cooled ice machine capacity/24 hrs.
  • Page 6 Dimensions and clearances § Entire front of ice machine must be clear of obstructions/connections to allow removal. § 1" (26 mm) clearance above ice machine for service. § 1" (26 mm) minimum clearance on sides. § The intake and exhaust air grilles must provide at least 250 sq in (1615 sq cm) of open area. §...

  • Page 7: Operation

    Cleaning of the condenser can usually be performed by facility personnel. Cleaning of the icemaker system, in most cases, should be performed by your facility’s maintenance staff or a Follett authorized service agent. Regardless of who performs the cleaning, it is the operator’s responsibility to see that this cleaning is performed according to the schedule below.
  • Page 8 Fig. 2 2. Follow the directions on the SafeCLEAN Plus packaging to mix 1 gal. (3.8 L) of Follett SafeCLEAN Plus solution. Use 100 F (38 C) water. 3. Using a 1 quart (1L) container, slowly fill cleaning cup until CLEANER FULL light comes on. Do not overfill.
  • Page 9 Fig. 5 7. Disconnect coupling as shown. Fig. 6 8. Using disposable food service grade gloves, insert dry SaniSponge. 9. Insert SaniSponge soaked in SafeClean Plus (from Step 4). 10. Push both SaniSponges down ice transport tube with supplied pusher tube. HCD710A, HMD710A...
  • Page 10 Fig. 7 11. Remove and discard 16 inch (407 mm) pusher tube. Fig. 8 12. Reconnect coupling. Press power switch ON. Ice pushes SaniSponges through ice transport tube. Fig. 9 13. Place a sanitary (2 gal. or larger) container in bin or dispenser to collect SaniSponges and ice for 10 minutes.

  • Page 11: Service

    The Horizon ice machine overview The Follett Horizon ice machine uses a horizontal, cylindrical evaporator to freeze water on its inner surface. The refrigeration cycle is continuous; there is no batch cycle. The evaporator is flooded with water and the level is controlled by sensors in a reservoir.
  • Page 12 “Bin full” detection system The Follett Horizon ice machine incorporates a unique “bin full” detection system that consists of the shuttle and actuator. The shuttle incorporates a flag and switch. Referencing the figure below, the normal running position of the flag is down, and the switch is closed. When the bin fills to the top and ice can no longer move through the tube, the machine will force the shuttle flag up, opening the switch and shutting the machine off.

  • Page 13: Water System Diagram

    Water system The water level in the evaporator is controlled by a feed solenoid and level detecting sensors. Referencing the diagram below, water sensing probes extend down into the reservoir at the end of the evaporator assembly. The system works via electrical conductivity as follows: The probe labeled B is the common.

  • Page 14: Normal Control Board Operation

    Electrical system ATTENTION! To prevent circuit breaker/Hi-amp overload, wait 5 minutes before restarting this unit. This allows the compressor to equalize and the evaporator to thaw. Normal control board operation The PC board indicator lights provide all the information necessary to determine the machine's status. Green indicator lights generally represent “go”...

  • Page 15: Error Faults

    Error faults: The Horizon PC board monitors various operating parameters including high pressure, auger gearmotor amperage limits, clogged drain, and low water alarm conditions. There are three types of errors namely “soft” (time delay) "hard" (reset), and “run” . § Soft errors will automatically reset after the 1 hour time delay or can be reset by cycling power. §...

  • Page 16: Wiring Diagram

    Wiring diagram HCD710A, HMD710A...
  • Page 17 Compressor data Compressor current draw at 120 V VAC, 90 F/32.2 C 7.8A Locked rotor amps @ 120 V 93.0A Compressor start winding 120 V 2.23Ω Compressor run winding 120 V 0.32Ω Gearmotor data Gearmotor current 1.2A @ 120 V Gearmotor torque-out (high amp) trip point: 1.8A @ 120 V Resistance of windings...

  • Page 18: Mechanical System

    Mechanical System Fig. 10 Evaporator disassembly 1. Press CLEAN button to purge evaporator. Turn power OFF when LO WATER lights. 2. Unscrew and disconnect transport tube from louvered docking assembly. Fig. 11 3. Remove gear motor insulation. Fig. 12 4. Disconnect gear motor wires and ground. Fig.
  • Page 19 Fig. 14 6. Remove spacer: Fig. 15 7. Remove gear motor bolts (1/2" wrench). 8. Remove gear motor and wipe auger shaft clean. WIPE AUGER SHAFT Fig. 16 9. Remove main housing insulation and shuttle insulation. HCD710A, HMD710A...
  • Page 20 Fig. 17 10. Remove front feed water tube from push-in fitting, shuttle drain tube, and shuttle switch. Fig. 18 11. Remove 3 screws (with 3/16" allen wrench) then remove auger and main housing together. Note: Auger is sharp - wear protective gloves. Fig.
  • Page 21 Fig. 20 14. OPTIONAL: Remove and discard the ceramic mating ring and shaft seal as necessary. Evaporator reassembly Fig. 21 15. If removed prior, install ceramic mating ring and shaft seal. Caution: Do not touch the sealed surface of either part. Oil from bare skin will cause premature seal failure.
  • Page 22 Fig. 23 21. Install rear shuttle insulation (Fig. 23.1) and slide main housing (Fig. 23.2) onto auger. 22. Secure with three screws. Fig. 24 23. Install shuttle switch. § Align holes with pins (Fig. 24.1) and depress switch button (Fig. 24.2) to clear shuttle tab. Fig.
  • Page 23 Fig. 26 25. Install main housing insulation and shuttle insulation: Fig. 27 26. Apply a coat of petrol-gel to auger shaft. 27. Slide gear motor onto auger and install gear motor bolts (1/2" wrench). APPLY PETROL-GEL Fig. 28 28. Use screwdriver to pry auger shaft foward, then orient auger shaft to align with motor shaft keyway (Fig.
  • Page 24 Fig. 30 31. Insert screwdriver into groove of auger shaft and pry shaft outwards (Fig. 30.1). 32. Insert retainer into groove (Fig. 30.2), ensure that retainer is aligned with hole in spacer. Fig. 31 33. Install screw and tighten (Fig. 31.1). Fig. 32 34.

  • Page 25: Reservoir/Rear Bushing Disassembly

    Fig. 33 35. Install gear motor insulation. Fig. 34 36. Connect transport tube to louvered docking assembly. Reservoir/rear bushing disassembly Fig. 35 1. Press CLEAN button to purge evaporator. Turn power OFF when LO WATER lights. Note: In many applications, removing the gearmotor, main housing, and auger will allow for...

  • Page 26: Refrigerant Pressure Data

    Refrigeration system Refrigerant pressure data Air-cooled condensers (air) 60 F/16 C 70 F/21 C 80 F/27 C 90 F/32 C 100 F/38 C Pressure (psig) discharge/suction 190/32 225/34 258/36 292/39 325/41 Refrigeration charge All service on refrigeration systems must be performed in accordance with all federal, state and local laws. It is the responsibility of the technician to ensure that these requirements are met.

  • Page 27: Evacuation

    Evacuation Evacuate the system to a level of 500 microns. When the 500 micron level is reached, close all valves. Allow the system to sit for approximately 20 minutes. During this period the system pressure should not rise. If the system pressure rises and stabilizes there is moisture in the system and further evacuation is needed.

  • Page 28: Troubleshooting

    Troubleshooting Please see “Service” section for a description of each function. Ice machine disposition Possible causes Corrective action Legend: ON or OFF FLASHING Ice machine is in running 1. Defective compressor. 1. Replace compressor. condition but not making ice. 2. Defective start relay. 2.
  • Page 29 Ice machine disposition Possible causes Corrective action Legend: ON or OFF FLASHING Ice machine is making ice. 1. Improper flow in drain system. 1. Correct/clean drain system. Drain clog. Ice machine is making ice. 1. Failed water sensors. Processor 1. Clean or replace water probe Excessive water in bin or assumes there is no water when assembly.

  • Page 30: Replacement Parts

    Replacement parts Evaporator assembly HCD710A, HMD710A...
  • Page 31 Reference # Description Part # Tube, ice transport, insulated 01118181 Shuttle assembly 01118132 Switch, shuttle 01006261 Compression nozzle 01222744 O-ring, shuttle 01111848 Screw, reservoir (3 required) 206395 Auger hardware (includes screws, key, retainer) 01222744 01164938 Bolt, gearmotor mounting (2) (self-contained units), includes washers 01118629 Cartridge assembly, shuttle spring 01118033...
  • Page 32 Air-cooled assembly HCD710A, HMD710A...
  • Page 33 Reference # Description Part # Condenser 01222785 Fan motor assembly 01222793 Cut-out, high pressure safety 01222007 Insulation, bulb, TXV 00106534 Drier 00134593 Valve, expansion, thermal (includes insulation and (2) clamps) 01222777 Insulation, TXV (body and bulb) 502830 Compressor, (includes start/run components and drier) 01222983 Base, ice machine 01117795...
  • Page 34 Electrical box HCD710A, HMD710A...
  • Page 35 Reference # Description Part # Cover, electrical box, air/water-cooled 01118967 Board, control (includes stand-offs) 01222827 Stand-offs (set of 8) 00130906 Supplied with gear motor Switch, evaporator clean 01165703 Switch, ice machine power 01165711 Switch, TDS 01165695 Cord, power 00190579 HCD710A, HMD710A...
  • Page 36 Integration kit – top-mount and RIDE remote ice delivery Top mount configuration RIDE model configuration HCD710A, HMD710A...
  • Page 37 Reference # Description Part # Shuttle actuator 00171322 Clamp 500377 Actuator elbow (includes 00167122 and 209100) 00171264 Screws 209100 Gasket 00167122 Actuator body 00171272 Gasket, coupling 00126532 Ring, locking (includes 00126532) 00171371 Ice transport tube, 10' (3 m) 00171280 Ice transport tube, 20' (6 m) 00171298 Insulation, transport tube 501176...
  • Page 38 Skins assembly HCD710A, HMD710A...
  • Page 39 Reference # Description Part # Grille, front 01017656 Front cover, air-cooled, 710/710 01119007 Not shown Tubing, water, 3/8" OD 502719 Coupling (includes O-ring) 00171207 O-ring 00144675 Bulkhead fitting 00171215 00145342 Hose clamp 500377 Plate, strain relief 00192070 Louvered docking station, 710 (includes strain relief plate, bulkhead fitting) 01119031 Screw 203460 Bulkhead connector kit...
  • Page 40 Le rogamos consulte el manual de instalación y de instrucciones adjunto, ya que es muy importante que la instalación se realice según las especificaciones de fábrica para que el equipo funcione a su máxima eficiencia. Follett LLC no se hace responsable de los daños indirectos, costos, gastos por conexión y desconexión o pérdidas por causa de defecto de la máquina.

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