Hoshizaki KMS-1400MLH Manuel d'utilisateur

Hoshizaki“A Superior Degreeof Reliability”www.hoshizaki.comModelKMS-1400MLHIncludingCondensing Unit Model SRK-14H/3Modular Crescent CuberSerenity Seri

10II. General InformationA. Construction1. Icemaker Spray TubesHot Gas ValveLiquid Line ValveService Valve(High Side)DrierWash ValveService Valve(Low

112. Condensing Unit CondenserHeadmaster (C.P. Regulator)Hot Gas ValveLiquid Line ValveJunction BoxReceiver TankAccumulatorShut-off Valve(Low Side)The

1B. Sequence of OperationThe steps in the sequence are as outlined below. When power is supplied, the red POWER OK LED and the green BC CLOSED LED on

135. Normal Harvest Cycle LEDs 1, 4 and  are on. Comp, FMR and HGVs remain energized. HWV and X1 relay energize, PM stops. As the evaporator warms, t

14Components Energized when the Control Switch is in the SERVICE PositionWhen in the "SERVICE" position, the control switch supplies power t

15C. Control Board• A HOSHIZAKI exclusive solid-state control is employed in the KMS-1400MLH Modular Crescent Cuber.• All models are pretested and fac

161. Control Board LayoutControl BoardPart Number A379-01 (factory); 2A3792-02 (service)Control Products "G" Control BoardAlarm Reset Butt

172. Featuresa) Maximum Water Supply Period – 6 minutesThe harvest water valve will be open during harvest for 6 minutes or the length of harvest minu

18f) LED Lights and Audible Alarm SafetiesThe control board includes LED indicator lights, audible alarm safeties, and an output test. The red LED ind

193. Controls and Adjustmentsa) Default Dip Switch SettingsThe dip switches are factory-adjusted to the following positions:S4 Dip SwitchDip Switch No

IMPORTANTOnly qualied service technicians should attempt to install, service, or maintain this icemaker. No service or maintenance should be underta

0c) Pump-Out Timer (S4 dip switch 3 & 4)During cycles when a pump out is called for, the pump motor drains the water tank for the time determined

1f) Freeze Timer (S4 dip switch 9 & 10)CAUTIONAdjust to proper specication, or the unit may not operate correctly.The freeze timer setting deter

5. Control Board Replacement The dip switches should be adjusted to the factory default settings as outlined in thismanual. S4 dip switch #8 must r

3E. Float Switch1. Explanation of OperationThe oat operates  switches within the oat switch. The lower switch (black and blue wires) is used for l

4Fig. 1Float SwitchRed - Upper SwitchBlack - CommonBlue - Lower SwitchUpper SwitchLower SwitchFloatRetainer Clip HousingMechanical Lock

5Fig. 2Bin ControlBin Control Switch Closed(calling for ice)Bin ControlSwitch Open(bin full)F. Bin ControlThis machine uses a lever-actuated proximit

6G. SwitchesTwo control switches are used to control operation in KMS Series Modular CrescentCubers. These switches are referred to as the "cont

7 Spray TubeKMS-1400MLHHarvest Water ValveWater SupplyWash ValveLine ValveDrierService ValveStrainerLine ValveShutoff ValveSRK-14H/3FanCondenserHea

8B. Wiring Diagrams1. KMS-1400MLH – SRK-14H* Pressure SwitchCut-out 41±1 PSIGCut-in 37±1 PSIG0* Thermostat SwitchCut-out 66°F±9°F Cut-in 39°F

92. KMS-1400MLH – SRK-14H3* Pressure SwitchCut-out 41±1 PSIGCut-in 37±1 PSIG0* Thermostat SwitchCut-out 66°F±9°F Cut-in 39°F±9°F ** ** Transf

3CONTENTSI. Specications ... 6A. Ic

303. Wire Harness ConnectionsL2or L3 ContactorHGVLLVNeutralFuse 10ACBHGVLLVNeutralSRK Condensing UnitWire Harness ConnectionsBR VPBK WBRGNGNDVPBKWGNBR

31C. Performance Data1. KMS-1400MLH – SRK-14HNote: 1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be

32. KMS-1400MLH – SRK-14H3Intentionally Left BlankNote: 1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold shou

33IV. Service DiagnosisA. 10-Minute Diagnostic ProcedureThe 10-minute check out procedure is basically a sequence check which can be used at unit star

345) Freeze Cycle – LED 1 is on. The compressor, fan motors and pump motor remain energized. The liquid line valves energize and the hot gas valves de

356) Pump-Out Cycle – The 1st pump out occurs after the 11th freeze cycle and every 10th cycle thereafter. LEDs 1, 3,  are on. The compressor and fan

36Problem Possible Cause Remedy[1] The icemaker will not start.a)Power Supply (Condensing Unit)1. Off, blown fuse, or tripped breaker.1. Turn on, repl

37Problem Possible Cause Remedy[1] The icemaker will not start. (continuted)l)Fill Water Valve 1. Mesh lter or orice clogged.1. Clean..Coil windin

38Problem Possible Cause Remedy[4] Water continues to be supplied in freeze cycle (outside of rell).a)Fill or Harvest Water Valve1. Diaphragm does n

392. Evaporator is Frozen UpProblem Possible Cause Remedy[1]Freeze cycle time is too long.a)Float Switch 1. Leads short-circuit or defective switch.1.

4E. Float Switch ... 31. Explanation of

40Problem Possible Cause Remedy[1] Icemaker will not stop when bin is lled with ice.a) Bin Control 1. Defective. 1. Replace.b) Control Board 1. Defec

41V. Removal and Replacement of ComponentsIMPORTANT1.Ensure all components, fasteners, and thumbscrews are securely in place after the equipment is se

42. Brazing.WARNING1. Refrigerant R-404A itself is not ammable at atmospheric pressure and temperatures up to 176°F (80°C). . Refrigerant R-404A

435) Disconnect the vacuum pump and attach a refrigerant service cylinder to the high-side line. Remember to loosen the connection and purge the air f

4411) Remove the plugs from the suction, discharge, and process pipes.1) Braze all ttings while purging with nitrogen gas owing at a pressure of 3

453. Removal and Replacement of Hot Gas Valve and Liquid Line ValveCAUTION1. The condensing unit has 1 hot gas valve and 1 liquid line valve. Both val

464. Removal and Replacement of Headmaster (Condensing Pressure Regulator - C.P. Regulator)IMPORTANTAlways install a new drier every time the sealed

475) Install the new fan motor and replace the removed parts in the reverse order of which they were removed.6) Replace the panels in their correct po

482. Removal and Replacement of Expansion ValveIMPORTANT1. Sometimes moisture in the refrigerant circuit exceeds the drier capacity and freezes up at

493. Removal and Replacement of Hot Gas Valve and Liquid Line ValveCAUTION1. The icemaker unit has 1 hot gas valve and 1 liquid line valve. The hot ga

5VI. Cleaning and Maintenance ... 5A. Cleaning and Sanitizin

504. Removal and Replacement of Pump Motor1) Turn off the power supply.) Remove the panels.3) Drain the water tank by removing the insulation panel,

516. Removal and Replacement of ThermistorCAUTION1. Fragile, handle very carefully.. Always use a recommended sealant (high thermal conductive type),

5VI. Cleaning and Maintenance IMPORTANTEnsure all components, fasteners, and thumbscrews are securely in place after any cleaning or maintenance is d

53e. Reassemble the oat switch. Replace the rubber boot and the oat switch in their correct positions. Reconnect the vent tube.f. Replace the right-

542. Sanitizing Procedure - Following Cleaning Procedure1) Dilute  . oz. (60 ml or 4 tbs) of a 5.5% sodium hypochlorite solution (chlorine bleach)

55C. Preparing the Icemaker for Long StorageCAUTIONWhen shutting off the icemaker for an extended time, drain out all water from the water tank and re

5615) Move the control switch to the "OFF" position. 16) Disconnect the oat switch vent hose from the drain hose tee. Move the service swit

6I. SpecicationsA. Icemaker1. KMS-1400MLH – SRK-14H Note: We reserve the right to make changes in specications and design without prior notice.SPECI

72. KMS-1400MLH – SRK-14H3Intentionally Left BlankNote: We reserve the right to make changes in specications and design without prior notice.

8B. Condensing Unit1. SRK-14HNote: We reserve the right to make changes in specications and design without prior notice.AC SUPPLY VOLTAGE 208-230/60/

92. SRK-14H3Intentionally Left BlankNote: We reserve the right to make changes in specications and design without prior notice.