Hoshizaki MODULAR CRESCENT CUBER KM-630MAH user manual

User manual for the device Hoshizaki MODULAR CRESCENT CUBER KM-630MAH

Device: Hoshizaki MODULAR CRESCENT CUBER KM-630MAH
Category: Ice Maker
Manufacturer: Hoshizaki
Size: 1.27 MB
Added : 10/20/2013
Number of pages: 67
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Abstracts of contents
Summary of the content on the page No. 1

NO.: 73114
ISSUED:
JUNE 23, 2004
HOSHIZAKI
MODULAR CRESCENT CUBER
MODEL
KM-630MAH
KM-630MWH
KM-630MRH
SERVICE MANUAL

Summary of the content on the page No. 2

IMPORTANT Only qualified service technicians should attempt to service or maintain this icemaker. No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker. Should the reader have any questions or concerns which have not been satisfactorily addressed, please call or write to the HOSHIZAKI Technical Support Department fo

Summary of the content on the page No. 3

• Please review this manual. It should be read carefully before the icemaker is serviced or maintenance operations performed. Only qualified service technicians should service and maintain the icemaker. This manual should be made available to the technician prior to service or maintenance. CONTENTS I. SPECIFICATIONS ............................................................................................................ 5 1. KM-630MAH ...................................................

Summary of the content on the page No. 4

IV. SERVICE DIAGNOSIS ................................................................................................. 41 1. NO ICE PRODUCTION .............................................................................................. 41 2. EVAPORATOR IS FROZEN UP ................................................................................. 44 3. LOW ICE PRODUCTION ........................................................................................... 45 4. ABNORMAL ICE ............

Summary of the content on the page No. 5

I. SPECIFICATIONS 1. KM-630MAH AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V) AMPERAGE 7.5 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *600 (272) 562 (255) 514 (233) Reference without *marks 80 571 (259) 512 (232) 466 (211) 90 562 (255) *470 (213) 422 (191) 100 554 (251) 459 (208) 378 (171) SHAPE OF ICE Crescent Cube IC

Summary of the content on the page No. 6

2a. KM-630MWH Serial #L00001D - M20270B AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V) AMPERAGE 6.5 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *619 (281) 596 (270) 563 (256) Reference without *marks 80 602 (273) 566 (257) 533 (242) 90 596 (270) *541 (245) 507 (230) 100 589 (267) 533 (242) 476 (216) SHAPE OF ICE Crescent C

Summary of the content on the page No. 7

2b. KM-630MWH Serial #M20301E - AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V) AMPERAGE 6.5 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *621 (282) 603 (273) 563 (256) Reference without *marks 80 607 (275) 578 (262) 532 (241) 90 603 (273) *558 (253) 514 (233) 100 590 (268) 548 (248) 473 (215) SHAPE OF ICE Crescent Cube ICE

Summary of the content on the page No. 8

3. KM-630MRH AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V) AMPERAGE 6.5 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *603 (274) 573 (260) 531 (241) Reference without *marks 80 580 (263) 532 (242) 491 (223) 90 573 (260) *499 (226) 457 (207) 100 564 (256) 489 (222) 418 (190) SHAPE OF ICE Crescent Cube ICE PRODUCTION PER CYC

Summary of the content on the page No. 9

4. CONDENSER UNIT URC-6F 24" (610 mm.) 23-1/32" (585 mm.) 19-11/16" 6/16" x 3/4" (10 mm. x 20 mm.) (500 mm.) 4 x 2 (SLOTTED HOLES) 18-1/8" (460 mm.) 20-15/32" (520 mm.) 21-15/16" (557 mm.) 7/8" DIA. HOLE (23 mm. DIA.) 6-5/16" (160 mm.) 2-15/16" (75 mm.) 9 18-1/8" (460 mm.) 14-15/16" 17-7/8" 17-1/8" (380 mm.) (454 mm.) (435 mm.) 14-9/16" 2-1/2" (370 mm.) (63 mm.) 14-1/8" (358 mm.) 14-15/16" (380 mm.) 15-11/16" (398 mm.)

Summary of the content on the page No. 10

SPECIFICATIONS MODEL: URC-6F EXTERIOR Galvanized Steel DIMENSIONS (W x D x H) 21-15/16" x 15-11/16" x 17-7/8" (557 x 398 x 453.8 mm.) REFRIGERANT CHARGE R404A 1 lb. 2 oz. (505 g) WEIGHT Net 61 lbs. (28 kg) Shipping 68 lbs. (31 kg) CONNECTIONS REFRIGERANT One Shot Couplings (Aeroquip) ELECTRICAL Permanent Connection CONDENSER Air-cooled HEAD PRESSURE CONTROL Condensing Pressure Regulator AMBIENT CONDITION Min. -20°F - Max. +122°F (-29°C to +50°C) Outdoor use 10

Summary of the content on the page No. 11

II. GENERAL INFORMATION 1. CONSTRUCTION [a] KM-630MAH Spray Tubes Water Supply Inlet Control Switch Bin Control Thermostat Condenser (except models with Mechanical Bin Control) Hot Gas Valve Expansion Valve Fan Motor Condenser Compressor Drier Float Switch Control Box Water Pump Mechanical Bin Control (except models with Thermostat) 11

Summary of the content on the page No. 12

[b] KM-630MWH Spray Tubes Water Supply Inlet Control Switch Water Regulator Bin Control Thermostat (except models with Mechanical Bin Control) Expansion Valve Hot Gas Valve Compressor Float Switch Drier Water Pump Control Box Mechanical Bin Control (except models with Thermostat) 12

Summary of the content on the page No. 13

[c] KM-630MRH Spray Tubes Water Supply Inlet Control Switch Junction Box Bin Control Thermostat (except models with Mechanical Bin Control) Expansion Valve Receiver Tank Compressor Float Switch Drier Water Pump Hot Gas Valve Line Valve Control Box Mechanical Bin Control (except models with Thermostat) 13

Summary of the content on the page No. 14

2. CONTROLLER BOARD [a] SOLID-STATE CONTROL 1) A HOSHIZAKI exclusive solid-state control is employed in Modular Crescent Cubers. 2) A Printed Circuit Board (hereafter called “Controller Board”) includes a stable and high quality control system. 3) All models are pretested and factory-adjusted. [b] CONTROLLER BOARD CAUTION 1. Fragile, handle very carefully. 2. A controller board contains integrated circuits, which are susceptible to failure due to static discharge. It is especially important to

Summary of the content on the page No. 15

2) Defrost Timer The defrost cycle starts when the Float Switch opens and completes the freeze cycle. But the Defrost Timer does not start counting until the Thermistor senses 48°F at the Evaporator outlet. The period from the end of the freeze cycle up to the point of the Thermistor's sensing varies depending on the ambient and water temperatures. 3) High Temperature Safety - 127 ± 7°F The temperature of the suction line in the refrigerant circuit is limited by the High Temperature Safety. Dur

Summary of the content on the page No. 16

The green LED’s 1-4 represent the corresponding relays and energize and sequence 5 seconds from initial start-up as follows: Sequence Step LED’s on Length: Min. Max. Avg. 1 Minute Fill Cycle LED4 60 sec. Harvest Cycle LED1, 4, & 2 2 min. 20 min. 3-5 min. Freeze Cycle LED1 5 min. 60 min. 30-35 min. Reverse Pump Out LED1, 3, & 2 10 sec. 20 sec. Factory set. {LED 1 – Comp; LED 2 - HGV/CFM; LED 3 – PM; LED 4 - WV} The built in safeties shut down the unit and have alarms as follows: 1 beep ev

Summary of the content on the page No. 17

The application switch located between relay X3 & X4 must be set to match the original board application. Place this switch in the ALP position if there is no white wire supplied to the K1 connector. If there is a white wire, place the switch in the C position. If this switch is placed in the wrong position, either the compressor contactor will remain ener- gized with the control switch OFF, or the unit will not start. The dip switches should be adjusted per the adjustment chart published in

Summary of the content on the page No. 18

[c] SEQUENCE 1st Cycle 1. Unit energized and Control Switch to “ICE” 3. Thermistor reads 48° F. position. Water supply cycle starts. Defrost Timer starts counting. 2. After 1 minute, Defrost cycle starts. IMPORTANT Water Valve opening is limited to 6 minutes. & 4. Defrost Timer stops counting. 5. After the first 5 minutes in freeze cycle. Defrost cycle is completed and freeze cycle Ready to complete freeze cycle when Float starts. Switch circuit opens. IMPORTANT IMPOR

Summary of the content on the page No. 19

2nd Cycle and after with pump drain IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open. 2. Drain timer stops counting. 1. Float Switch opens and signals to complete Pump drain is completed freeze cycle. Drain timer starts counting. 3. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Valve opening is limited to 6 & minutes. 5. After the first 5 minutes in freeze cycle. 4. Defrost Timer stops counting. Ready to comp

Summary of the content on the page No. 20

2nd Cycle and after with no pump drain IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open. 2. Thermistor reads 48° F. 1. Float Switch opens and signals to complete Defrost Timer starts counting. freeze cycle. IMPORTANT Water Valve opening is limited to 6 minutes. & 3. Defrost Timer stops counting. 4. After the first 5 minutes in freeze cycle. Defrost cycle is completed and freeze cycle Ready to complete freeze cycle when Float starts.


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