Hoshizaki FS-1022MLH-C Manuel d'utilisateur

Hoshizaki “A Superior Degree of Reliability” www.hoshizaki.com ModelFS-1022MLH-CIncludingCondensing Unit Model SRC-10HModular CubeletSerenity Series

102. Condensing Unita) SRC-10HCondenserReceiverFan MotorHeadmaster (C.P.R.)High-Side Service ValveCompressorHigh-Pressure SwitchLiquid Line Connection

113. Icemaking UnitCutterExtruding HeadUpper BearingEvaporator HeaterAugerMechanical SealO-RingHousing-Lower BearingSpline CouplingGear MotorHex Bolt

12B. Sequence of OperationThe steps in the sequence are as outlined below. This unit utilizes a control board to switch the icemaker components on and

13d) Drain Cycle (1) 1-in-1 Drain Cycle: DV energizes for 2 seconds once every hour when the 1-in-1drain cycle is activated (S1 dip switch 4 in the o

14e) Shutdown Cycle(1) Infrared Sensor: When power is supplied to the icemaker, the green LED on IS turns on. The green LED remains on constantly. As

151-in-1 drain cycle. DV opens for 2 seconds every hour (S1 Dip Switch 4)."F-A" Control Board Sequence Flow ChartFS-1022MLH-C/SRC-10HLF/S cl

16C. Control Board• A Hoshizaki exclusive control board is employed in Hoshizaki Modular Flakers.• All models are pre-tested and factory set.CAUTION1.

17"F-A" Control Board "F-A" Control BoardPart Number2A4296-01 •"FLUSH" LED (X3 Relay) Drain Valve• "COMP"

182. LED Lights and Audible Alarm SafetiesThe"POWEROK"LEDindicatespropercontrolvoltageandwillremainonunlessacontrolvoltagepr

193. Controls and AdjustmentsCAUTIONDip switches are factory set. Failure to maintain factory settings may adversely affect performance and warranty c

2IMPORTANTOnly qualied service technicians should install, service, and maintain the icemaker. No service or maintenance should be undertaken until t

20c) Drain Frequency Control (S1 dip switch 4)This unit is factory set for optimum performance with the 1-in-1 drain cycle (S1 dip switch4inthe&qu

21f) Mechanical Bin Control Shutdown Delay (S1 dip switch 8)Factory set for normal operation. No adjustment is required. The shutdown delay is the tim

22III. Technical InformationA. Water Circuit and Refrigeration Circuit1. FS-1022MLH-C with SRC-10HOverowReservoirGear MotorDrain ValveExpansion Valve

23B. Wiring Diagrams1. FS-1022MLH-C

242. SRC-10H**** High-Pressure SwitchCut-out 384±22 PSIG Cut-in 284±22 PSIG0** ***** Safety Low-Pressure Switch(Manual Reset)Cut-out 3±2.5 PSIG Differ

25C. Performance Data1. FS-1022MLH-C with SRC-10HNote: We reserve the right to make changes in specications and design without prior notice.APPROXIMA

26IV. Service Diagnosis WARNING1. This unit should be diagnosed and repaired only by qualied service personnel to reduce the risk of death, electric

27K8connector pin #1 white/red (W/R) to pin #2 light blue (LBU). If 24VAC is not present and 1A 24VAC fuse is good, replace the control transformer.

288) Freeze Cycle – "GM" and "COMP" LEDs are on."GM"LED,GMR(X2onCB),GM,GMPR,andEHcontinue."COMP"L

299) Rell Cycle/Low Water Safety Cycle – "GM", "COMP", and "WTRIN" LEDs are on. As ice is produced, the water level in

3IMPORTANTThis manual should be read carefully before the icemaker is serviced ormaintenance operations are performed. Only qualied service technicia

30C. Control Board CheckBefore replacing a control board that does not show a visible defect and that you suspect is bad, always conduct the following

314) 5VDC Output Checks: Control Switch (open contacts for icemaking, closed contacts for drain), GMPR (terminals 3 & 5), MBC, and F/S. When check

32c. Mechanical Backup Bin Control (MBC) –K8 connector pins #3 and #4 gray (GY) wires: When MBC is closed (calling for ice), 5VDC is present from the

33D. Bin Control Check1. Infrared Sensor CheckIMPORTANTMakesureS1dipswitch7isinthe"ON"position.Thisallowsthecontrolboardto m

34Infrared SensorInfrared Sensor HousingLensInfrared Sensor LEDInfrared Sensor LEDFig. 3ThumbscrewFig. 4Chute AssemblyActuator PaddleSpoutStrapProximi

356)Makesurethe"GM"LEDison.Thereisadelayofatleast30secondsbeforethe"GM"LEDturnsonafterpower-up.Afterthe

36E. Float Switch Check and Cleaning1. Float Switch Check1)Removethefrontpanel,thenmovethepowerswitchtothe"OFF"position.2)Mov

37ReservoirReservoir CoverFloat Switch AssemblyRed (R) (upperoatswitch)Black (BK) (common)Dark Blue (DBU) (loweroatswitch)Upper Float (blue)Magn

38F. Diagnostic ChartsBefore consulting the diagnostic charts, check for correct installation, proper voltage per unit nameplate,andadequatewaters

39No Ice Production - Possible CauseIce Purge Cycle Continued3. Gear Motor Protect Relay a) Open windings.b) Contacts stuck open.Freeze Cycle1. Gear M

4IV. Service Diagnosis ... 26A. Ice Production

40No Ice Production - Possible Cause4. Control Board a) Nopowertooatswitchornotreadingoatswitchcondition.b) No power to inlet water valve.

41V. Removal and Replacement of Components WARNING1. This unit should be diagnosed and repaired only by qualied service personnel to reduce the risk

421. Refrigerant RecoveryThe icemaker unit is provided with refrigerant service valves. Using proper refrigerant practices, recover the refrigerant fr

434) Close the low-side valve and high-side valve on the gauge manifold.5) Disconnect the gauge manifold hose from the vacuum pump and attach it to a

44Evaporator AssemblyEvaporator HeaterCutterCutter Hex Head BoltExtruding HeadAugerO RingSeal Bolts and WashersSocket Head Cap Screw and Split Lock Wa

451. Upper Bearing Wear CheckTo ensure that the bearing inside the extruding head does not exceed the wear tolerance of.02",followtheinstruct

468)Plugtheunitintotheelectricaloutlet,thenmovethepowerswitchtothe"ON"positionto start the automatic icemaking process.9) R

4713)Movethecontrolswitchtothe"ICE"position.14)Plugtheunitintotheelectricaloutlet,thenmovethepowerswitchtothe"ON

4817) Remove the drier, then place the new drier in position.18)Brazeallttingswhilepurgingwithnitrogengasowingatapressureof3to4PSIG

4912) Remove the O-ring and mechanical seal from the housing. If only replacing the mechanical seal, proceed to step 15. WARNINGTo help prevent water

5Important Safety InformationThroughout this manual, notices appear to bring your attention to situations which could result in death, serious injury,

5011) Remove the gear motor bracket and spline coupling from the old gear motor and place on the new gear motor. 12) Install the new gear motor and re

51VI. Cleaning and MaintenanceThis icemaker must be cleaned and maintained in accordance with the instruction manual and labels provided with the icem

527) Pour the cleaning solution over the extruding head until the evaporator assembly and thereservoirarefullandthesolutionstartstooverowin

5311) Wipe down the infrared sensor lens, (located on the bottom of the icemaker) with the cleaning solution. Next, rinse the cleaning solution off of

543) Pour the sanitizing solution over the extruding head until the evaporator assembly and thereservoirarefullandthesolutionstartstooverow

554) Pour the sanitizing solution over the extruding head until the evaporator assembly and thereservoirarefullandthesolutionstartstooverow

56Maintenance ScheduleFrequency Area TaskMonthly External Water FiltersCheck for proper pressure and change if necessary.Icemaker and Dispenser Unit/S

57C. Preparing the Icemaker for Long StorageCAUTIONWhen storing the icemaker for an extended time or in sub-freezing temperatures, follow the instruct

6For FS - Continued•Toreducetheriskofelectricshock,donottouchtheplugorpowerswitchwithdamp hands.•Donotuseaunitwithadamagedpo

7AC SUPPLY VOLTAGE 115/60/1GEAR MOTOR 120 V 3 FLA 1/4 HPOTHER 120 V 0.03AMAXIMUM FUSE SIZE 15 AMAX. HACR BREAKER (USA ONLY) 15 AMAX. CIRC. BREAK

8Note: We reserve the right to make changes in specications and design without prior notice.B. Condensing Unit 1. SRC-10HAC SUPPLY VOLTAGE 208-23

9II. General InformationA. Construction1. Icemakera) FS-1022MLH-CInlet Water ValveReservoirControl BoxMechanical Backup Bin ControlSpoutFloat SwitchGe