DCS RF151 Wartungshandbuch

1ICE MAkErSErvICE MAnuAlModElS RF15I

82.5 acceSS valveSA temporary access valve can be used to service or evaluate the system. The access valve can be installed on the compressor’s proc

9During production cycle, low side pressures will vary anywhere from 140 psi to 2 psi, depending at what point measurements are taken. High side pres

103.1 hot gaS valveThe hot gas valve is used to bypass the capillary tube and send warm vapor to the evaporator when opened during the harvest cycle.

11Installing the Hot Gas Valve:Bend hot gas valve tubing similar to the one being replaced. DO NOT KINK TUBING OR OVERSTRESS TUBING AT VALVE JOINTS.1

123.2 evaporator The evaporator uses evaporating refrigerant to remove heat from the water that ows over the evaporator plate to form an ice slab.

1326. Unbraze the hot gas discharge line at the compressor (see Figure 3.8).27. Remove the compressor by removing the two lock-nuts on the mounting pl

143.3 compreSSorThe compressor is the heart of the refrigeration system. However, it also relies on other parts of the system to function. Make cer

15Installation:Install the four rubber grommets in the bottom of the new compressor and install the two sleeves where the carriage bolts 1. will be lo

164.1 Drain valveThe drain valve drains water that is left in the reservoir after ice production. The valve will only be open for a xed time of 45

174.2 Water valveThe water valve supplies water to the reservoir for producing ice. The valve opens for one and a half minutes during initial start

185.1 conDenSer fanThe condenser fan is used to force air over the condenser coil. The fan will only run during ice production cycle and turn o in

19The following will happen in the event of a thermistor failure:If the evaporator thermistor fails, all loads will be shut o and the unit will not r

20Bin Thermistor:The bin thermistor is made up of a soft copper tube body and placed inside a plated copper sensing tube. This plated tube is then se

215.3 electronic controller anD DiagnoStic leDThe electronic control can be replaced without removal of the unit from the front of the unit. For elec

225.4 cUtter-griD tranSformerThe cutter-grid transformer is used to step down the voltage to the cutter-grid to 12VAC. The transformer is ON only fr

236.1 cUtter-griDThe cutter-grid is used to cut cubes from the ice slab formed on the evaporator. It uses low voltage, 12VAC from the transformer, t

24Removing the Reservoir:Remove the escutcheon panel from the inside of the unit.1. Remove the cutter-grid (see Figure 6.1).2. Remove the four screws

256.3 circUlation pUmpThe circulation pump is used to circulate the water in the reservoir over the evaporator. The circulation pump will run only d

26Figure 7.1: Ice Maker Wiring DiagramWIRING

27The following information will need to be given when inquiring about service parts:Model and serial number located on the serial nameplate (see Sect

11. Introduction 1.1 Unit Specications 2 1.2 Serial Nameplate 2 1.3 Before Servicing 2 1.4 After Servicing 3 1.5 Basic Re

28Storing the Ice Maker:If the Ice Maker is to be moved, not used for an extended period of time, or will be in an area that will be near freezing tem

29With the rocker switch in the “OFF” position, plug the unit into an electrical outlet.1. Reconnect or turn on the water supply line.2. Reconnect the

30PROBLEM POSSIBLE CAUSE CORRECTIONUnit does not operate.1. The unit is unplugged. Plug in the unit.2. Breaker is tripped or fuse is blown. Reset brea

31PROBLEM POSSIBLE CAUSE CORRECTIONUnit operates but does not produce any ice.10. Room and/or water temperature is too warm.Move the unit to an area w

32PROBLEM POSSIBLE CAUSE CORRECTIONIce cubes are too small (less than 1/2 inch thick).7. Leaking drain valve See “Cleaning Your Ice Maker” section for

33PROBLEM POSSIBLE CAUSE CORRECTIONLow ice production. Unit is running and has run over a 48 hour period but there is little ice accumulation in bin.

34PROBLEM POSSIBLE CAUSE CORRECTIONCutter-grid is not cutting the ice slab.2. The grid-cutter is not plugged into the receptacle.Remove the escutcheon

35PROBLEM POSSIBLE CAUSE CORRECTIONThe drain pump cycles on and o errati-cally.2. Discharge line is restricted or kinked. Check the discharge line an

36limiteD WarrantyWhen you purchase any new DCS Refrigeration Product, you automatically receive a One Year Limited Warranty covering parts and labor

37WARRANTY 7. Noise and vibration that is considered normal e.g. drain sounds, regeneration noises and user warning beeps. 8. Correcting damage caus

21.1 Unit SpecificationSTable A: Ice Maker Unit SpecicationsExterior Cabinet Dimensions (in)Shipping Weight (lbs)Electrical Require-mentsP

38NOTES

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Fisher & Paykel Appliances, Inc.5900 Skylab Road, Huntington Beach, CA 92647Customer Care: 888.936.7872Fax: 714.372.7003www.dcsappliances.comP/N 2

31.4 after ServicingAfter servicing the unit, whether at a site or service center, check the following:MAKE CERTAIN THERE ARE NO LEAKS IN THE DRAIN O

4Properly grounded outlet is required for this unit.•It is recommended or your building code may require that a single circuit GFCI receptacle or bre

51.10 Drain pUmpDCS Drain Pump can be used to drain water when a gravity drain is not practical. Refer to drain pump instructions supplied with the

6harvest cycle in process will continue until the harvest cycle is complete. Once complete, all loads will de-energize and remain so until the bin th

72.1 introDUctionThe following should always be practiced with any sealed system that has been opened. ONLY OPEN THE SEALED SYSTEM AS A LAST RESORT