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Hoshizaki KM-1601SRH/3 User's Manual

1. AM ATT Wd senunuoo dwog 9799 10 uedo S 4 uedo 5 4 008 02 01 10 Ses1e eJ 2 10 seziD1eue ep senunuoo dwog 631615 sse 10 Ox 66 06 4 87 10191 194 S d 9 uouws I dip 5 02 01 10 205 p 041009 S d 10 58015 e Ul gt 3 uouws 5 UI 2 gt 0405 3 5 1091 13 pUe HMSLOSL INM b KM 1601SWH 3 and KM 1601SRH 3 E Control Board OGL 01000 eo Jaye 296 01 6 4 lt 9 9 9 yms 01 8 6 uouws 5 2 e SI 19 o 979941 e somey JO eui JO uiu 9 AM 9 9A2 1no duing p 9 9 2 2 9J9 2 1soAJeH 10U AOH
2. 5 YOUMS 4 19008 03100 310438 A INO 1 SSVIYNVY 5 19004 09100 MIY 310438 AINO ig m LINN 93943080 310458 1 9 2500902 D JIIHM M 101100 ooo M M M M M M 13101A A o 048 4 y 0 1 AS OL XNid d 5 Tu JONVYO 0 3118 Xgva ngd L 5 n NMONG 39 01 Lo 42V 18 WE D Sil QD HA VA 3002 40102 341M I LOH Wi tc o E 4 THN 7 5 9 T y 8 Eo 180 nad 0 0 6 4 9 E ue el WO t 9 w 6 lea 5 919 1 pem I WAM LVLS 9 0 gt 2 D Zo T ai X m YOLIVINOD NN ho 0 4 n Y 1 NIG E ASL 804 WYLASN SHIM E 00 020 002 42 OISd 125726
3. Pump Out Control Box Check Valve Water P Fan Blade ater Pump ECL A D Fan Motor Float Switch FM Cleaning Valve Compressor Drier Com ae Comp Control Switch Liquid Line Valve 1 LLV Extension 1 4 Transformer Box Bin Control Thermostat KM 1601SAH3 TBC 2 KM 1601SWH 3 water cooled Spray Tubes Inlet Water Val WV bu Low Side Service Valve 7 N Evaporator Assembly Separators High Side Service Valve Thermostatic Expansion Valves TXV Water Supply Inlet Junction Box Hot Gas Valve HGV Cube Guides Check Valves p z Water Regulating Valve Pump Out 7 7 7 Water Pump PM Float Switch Water Cooled F S Condenser Cleaning Valve Compressor Control Box Comp Extension Control Switch Drar Liquid Line Valve Bin Control Thermostat KM 16019WH TBO Transformer Box KM 1601SWH3 19 3 KM 1601SRH 3 remote air cooled Spray Tubes Low Side Service Valve Inlet Water Valve WV Separators High Side Liquid Service Valve Evaporator Assembly High Side Vapor Service Valve Water Supply Inlet Thermostatic Expansion Valves Hot Gas Valve HGV Check Valves Receiver ey M 2 gt m fA p RR fe 9 2 GN PN f
4. JOVEN 1914 37 2 KM 1601SWH 3 water cooled 5 i aul uoyong 5 1 JOH U9IIMS einsseJg ufiH Ajddns 4 00 1 ane JeBueuox3 eur pinbr Jojsiuuau 1 IN v BS s qn Aeids JOJ AA P udi Bh Cw LN 1 seqn Aeids 38 3 KM 1601SRH 3 remote air cooled UND 1 1 2 2 GF uoisuedx3 JodeA l i eur uonong opig moy Set 10H YOUMS eiqisnj eur 55900 SAIS cis M e a Uwe Um
5. J9 UI A M 8 4 2 1 Josseidwoo dwiog eui 281 sioejuoo 281 sinus pue lind 1 5 pue sdojs 10sseJdujoo uedo 1 5 4 peziBjeue ASH pezi amp ieue dwog 9 AM uedo 5 4 pezi amp ueue AM Kejep 0 5 Jaye lt dnyeis S d Jojsiuueu L 1 amuin lt 4915 26 C Control Board A Hoshizaki exclusive control board is employed in Hoshizaki Stackable Crescent Cubers All models are pretested and factory set For a control board check procedure see IV B Control Board Check CAUTION 1 The control board is fragile handle very carefully 2 The control board contains integrated circuits which are susceptible to failure due to static discharge It is especially important to touch the metal part of the unit before handling or replacing the control board Do not touch the electronic devices on the control board or the back of the control board Do not change wiring and connections Do not misconnect K3 K4 and K5 because the same connector is used for all three Thermistor Jumper 4A4883G01 on KM 160
6. 73 21 Remove the front panel and fully open the cleaning valve 22 Move the control switch to the WASH position 23 Replace the front panel in its correct position 24 Turn on the power supply to rinse off the cleaning solution 25 Turn off the power supply after 5 minutes 26 Remove the front panel and the insulation panel 27 Remove the drain plug Allow the water tank to drain Replace the drain plug and the insulation panel in their correct positions Note Do not replace the insulation panel when you proceed to 2 Sanitizing Procedure 28 Repeat steps 16 through 27 three more times to rinse thoroughly Note If you do not sanitize the icemaker go to step 9 in 2 Sanitizing Procedure 2 Sanitizing Procedure Following Cleaning Procedure 1 Dilute 2 5 fl oz 74 ml or 5 tbs of a 5 2596 sodium hypochlorite solution chlorine bleach with 5 gal 19 I of warm water 2 Pour the sanitizing solution into the water tank 3 Replace the insulation panel and the front panel in their correct positions Note Make sure the control switch is in the WASH position and the cleaning valve is open 4 Turn on the power supply to start the sanitizing process 5 6 7 Remove the drain plug Allow the water tank to drain Replace the drain plug and the insulation panel in their correct positions Turn off the power supply after 15 minutes Remove the front panel and the insulation panel 8
7. 28 KM 1601SAH 3 G Control Board 28 b KM 1601SWH 3 and KM 1601 SRH 3 E Control 29 2 LED Lights and Audible Alarm Safeties 242212 30 KM 1601SAH 3 G Control Board iuniorum nk nn RR RR en kn nay nnn 30 b KM 1601SWH 3 and KM 1601 SRH 3 E Control 31 S Controls and Ad USWTIBIIES csetera itin La t meten bomb tuin Rin cda 32 a Default Dip Switch Seltihgs urere naa 32 b Harvest Timer 54 dip switch 182 33 Pump Out Timer S4 dip switch 3 amp 4 33 d Pump Out Frequency Control S4 dip switch 5 amp 6 34 e Harvest Pump Timer Bin Control Selector S4 dip switch 7 34 f Factory Use S4 dip switch B e hm e gn 35 g Freeze Timer 54 dip switch 9 amp 10 35 h Float Switch Selector S5 dip switch 1 KM 1601SAH 3 Control Board 35 i Refill Counter 55 dip switch 2 through 5 KM 1601SAH 3 G Control Board 35 Ib M MR OT RN 36 Ill Technical Information css n 37 A Water Circuit and Refrigeration 2 37 1 KM 1601SAH 3
8. eunssoJdq uBiH 41 KM 1601SAH3 air cooled 2 MOTIJA JLIHM AV 144 1091809 01 11 SE A AY 148 01123810 01 440 330 330 440 330 1091 N d SAW19U YINIL dWf d 1S3AUVH py 1115 HOIIMS 4105 j30 440 440 NO NO NO NO 240 440 HVS1091 DE 01 6 8 L 9 y 2 JONILLSS HOLIMS 41075 3002 0102 341M T 1194 NI 0371983N3 YOLOW INVISOQdNI a T 1 M A M M M 48 M AS 8 95 nc 8 131 e ILS HET ES STUd HOIH jo T n 2 ASTI e 100100 fodd zc naa nag Lo HOLINS VI ie ug lo Ug 5 9 is ra ZE 17 og ig OR 9lo eg 7 gar 0 010 0 jo Romer a v 12 ug aft 8 uj CO RE MIG 102 n d i rs L2 2 OlSd 125986 UNO
9. a RD BLACK R24 RED R37 2925 Ce 2 06 ojo olo ojo olo olo 5 1 4 energized in freeze LED 4 X4 Relay K1 Connector Pin 6 oe LED 1 X1 Relay K1 Connector Pin 1 9 K2 Connector Control Transformer 10 5VAC C ALP Switch Switch for C control board and ALPINE control board service control board only used to test relays on control board WHITE K3 Connector Harvest Control thermistor RED K4 Connector Mechanical Bin Control open on units with thermostatic bin control BLACK K5 Connector Float Switch Label control board revision level indicated on label on side of relay K1 Ten Pin Connector Pins 1 through 10 1 9 LED 1 on Compressor Relay Magnetic Contactor and Fan Motor Remote FMR 2 LED 2 on Hot Gas Valve HGV 3 LED 2 off Liquid Line Valve LLV 4 LED 3 off Pump Motor PM in Freeze 5 LED 3 on Pump Motor PM in Pump Out 6 LED 4 Inlet Water Valve WV 7 10 Supply Voltage 8
10. OISd 221 OlSd 25086 _ YOUMS 13004 03100 V ILOHIY AINO 13004 031002 IV 310438 AINO 38 LINN 339 30 0 SLOWS MO 88 311 in 110 M M M M M M cac 9 01 gt gt gt gt 1 0 0000 0 70000 y 1 180 KM 1601SWH3 water cooled KM 1601SRH3 remote air cooled i9NY ro ANIA 30189 Xu 18 Xd 1002 40102 1414 2 LL Lid S 3 5 3001 YQ qu AWA SYD LOH NI y lo MS 9 10010 tO 22 10 1906 NN to Jo lo 18 WS d 6o 20110 9 180 9 SN M LO to to lo OOF S0LYVINO JI L3NDVH qog 1010 3604 E i j i E a 4 4 1041802 NIB t1 089
11. Rae Xa ar 2 KM 1601SWH 8 38 3 KM 1601SRH 8 remote 39 B Wiring BIST a 40 1 KM 1601 SAH 1 060 40 2 KM 1601SAH3 GCOOIGG 41 3 KM 1601SWH water cooled KM 1601SRH remote air cooled 42 4 KM 1601SWHS water cooled KM 1601SRH3 remote air cooled 43 Performance Dala isisisi a E E EEEN 44 I serus Diagnosis sssrini aiea des aa aia eee endo eco aan 54 A Di gnostic 54 B Control Board CIBO 58 G BiIMCOntrol CHECK e E e Y Y 59 D Float Switch Check and 60 1 Float M 60 2 Float WINCH 61 62 F Adjustment of Water Regulating Valve water cooled model 62 Diagnostic Charts NIORT 63 1 Noice a 63 2 Freeze TE
12. 5 9 J pinbr 5 i Cud o UL Joje10de 3 segn JOVEN 1914 7 7 Jesuepuo2Q 39 Diagrams iring 1 KM 1601SAH air cooled B W 1nO4nO 4 1081802 01 11 EP AV134 1939194 dNfd 0lX HVS1091 WM a YSNIL dWAd 153 9 111 35 HOLIMS 41455 Nn 4 ONILIJS HOLIMS 41075 1 SAIDAD LIAW NI 347190484484 SOLON NVA 1 1804 I 3002 80102 3810 We 49 Ton 1 1 t OOOO do M M ii 8 M 8 91 l 4 291 of ment t e s aM m gt 010 B 440 1 Qn 39 da 88 08 i 08 9 AVTRE 105531800 19 di 18915 8 18 T 10080 NIG h n 10130 5 30 HLIM 1709 0 2 802 40 16 468 9ISd inowo
13. A gt Pump Out Check Valve Water Pump PM Float Switch F S Compressor Comp Control Box Drier Control Switch 1 Extension Bracket Liquid Line Valve LLV Capacitor Box Bin Control Thermostat TBC KM 1601SRH Transformer Box KM 1601SRH3 20 B Sequence of Operation 1 Sequence Cycles and Shutdown a KM 1601SAH 3 Control Board IMPORTANT KM 1601SAH 3 utilize a control board and TBC For KM 1601 SAH 3 operation the jumper 4A4883G01 must be in place on the control board RED connector or the unit will not operate The steps in the sequence are as outlined below When power is supplied CB red POWER OK LED and green BC CLOSED LED turn on If red POWER OK LED is off clear ice away from TBC bulb in the storage bin area If yellow BC OPEN LED is on the unit will not start In this case check that CB has the K4 jumper in place on CB RED K4 connector There is 5 second delay before startup Note that the order of the component LEDs from the outer edge of CB is 1 4 3 2 1 1 Fill Cycle LED 4 is on WV and X11 relay energize and the 1 minute fill cycle begins After 1 minute CB checks for a closed F S If F S is closed the harvest cycle begins If open WV remains energized through additional 1 minute fill cycles until water fills the water tank and closes F S This serves
14. A A 65 3 Low Ice Rc t 66 V Replacement of Components 68 A Service for R frigerant LINE aii 68 1 Refrigerant RECOVETY NE 68 2 Brazing 69 3 Evacuation and Recharge R 404A Drak 69 B Important Notes Component 71 VE CHE amin Ng o NR 72 A Cleaning and Sanitizing Instructions scan 72 ACIS MING 5615 73 2 Sanitizing Procedure Following Cleaning Procedure 74 9 A 75 C Preparing the Icemaker for Long 0 75 Important Safety Information Throughout this manual notices appear to bring your attention to situations which could result in death serious injury or damage to the unit A WARNING Indicates a hazardous situation which could result in death or serious injury CAUTION Indicates a situation which could result in damage to the unit IMPORTANT Indicates important information about the use and care of the unit WARNING This icemaker should be destined only
15. 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 11 7 KM 1601SRH with URC 22F remote air cooled auxiliary codes 5 2 and later This data applies to units with an 11 l min water valve The 11 l min water valve is either part number 4 1176 04 or 4 5251 04 and has the part number stamped on the side of the valve facing the front of the unit AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 Ibs WATER gal 24HR gal 100 Ibs CEC CEE TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 1 3 wire with neutral 115V 12 8A 5 Min Freeze 104 F WT 80 F 20A 20A Ambient WATER TEMP F TempCF 50 70 90 70 1531 694 1519 689 1426 64
16. 21 C Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 45 3 KM 1601SWH water cooled APPROXIMATE ICE AMBIENT TEMP Eom CFPC 70 21 80 27 90 32 Ibs day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 23 100 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 300 BTU h AT 90 F 32 C WT 70 F 21 C WATER FLOW FOR CONDENSER 101 gal h AT 100 F 38 C WT 90 F 32 PRESSURE DROP OF COOLING WATER LINE less than 10 PSIG Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 46 4 16015 water cooled APPROXIMATE ICE AMBIENT TEMP 70 21 80 27 90 32 Ibs day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUM
17. 210 Ajquuesse y Jo eu pue episino uioq pue uedo Buiueejo eui yM ened J9 UI AM 20 5 4 Jo episino eui 7 pue y eui ojowu y si amod HSVM 941 ueuM eui Burzgiues pue pesn YMS y uonisod OUL uonisod HSWM 941 SI YO IMS ay sjueuoduio2 1 Josseidwoo dwiog eui PINbI A77 ui si py 437 1238010 Og U93919 310N gt JAL u do 9gL 281 sioejuoo 951 OGL umop Sinus qing 991 0e U09 99 Jaye 298 0 5 pue lind L 14 uwopinus 1 1e SEIS 1exeujeo oN 99 HO 2 9209 INUN 0 BOAO pu
18. 9 10 11 12 13 Repeat steps 16 through 27 1 Cleaning Procedure two times to rinse thoroughly lt Close the cleaning valve Move the control switch to the ICE position Replace the front panel its correct position Clean the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning Turn on the power supply to start the automatic icemaking process 74 B Maintenance This icemaker must be maintained individually referring to the instruction manual and labels provided with the icemaker A WARNING 1 Only qualified service technicians should service this icemaker 2 Move the control switch to the OFF position and turn off the power supply before servicing Lockout Tagout to prevent the power supply from being turned back on inadvertently 1 Stainless Steel Exterior To prevent corrosion wipe the exterior occasionally with a clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt buildup 2 Storage Bin and Scoop Wash your hands before removing ice Use the plastic scoop provided bin accessory The storage bin is for ice use only Do not store anything else in the storage bin Clean the scoop and the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning 3 Air Filters air cooled model Plastic mesh air filters remove dirt and dust from the air and keep the condenser from getting clogg
19. F 20A 20A Ambient Temp F WATER TEMP F 7 __ ___90 70 51492 677 1501 681 1419 643 80 1499 680 1513 686 1378 625 90 1501 681 1523 691 1408 639 100 1453 659 1496 679 1303 591 Crescent Cube 30 2 105 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2410 3 8 2300 3 7 373 24 5 698 46 8 1493 98 930 62 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 310 Ibs 141 kg Shipping 360 Ibs 163 Permanent Connection Inlet 1 2 FPT Condenser Inlet 1 2 Outlet 3 4 FPT Condenser Outlet 3 8 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe Water Regulating Valve Thermostat Hermetic Model CS18K6E PFV 237 Water cooled Tube in tube type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R 404A 3 lbs 1 oz 14009 High 427PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 4 16015 water cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APP
20. N o 0 34 2 Bin Control Selector KM 1601SWH 3 8 KM 1601SRH 3 E Control Board Factory set for proper operation Do not adjust When set to the on position on a unit with a thermostatic bin control a 5 beep alarm sounds open circuit and the unit does not operate KM 1601SWH 3 amp KM 1601SRH 3 E Control Board 4 Dip Switch Setting Bin Control No 7 ON Mechanical OFF Thermostatic f Factory Use S4 dip switch 8 Factory set Do not adjust This must be left in the factory default position g Freeze Timer S4 dip switch 9 amp 10 CAUTION Adjust to proper specification or the unit may not operate correctly The freeze timer setting determines the maximum allowed freeze time to prevent possible freeze up issues Upon termination of the freeze timer the control board initiates the harvest cycle After 2 consecutive freeze timer terminations the control board shuts down the icemaker In this case see IV G 3 Low Ice Production for possible solutions The freeze timer is factory set and generally no adjustment is required Before changing this setting contact Hoshizaki Technical Support at 1 800 233 1940 for recommendations 54 Dip Switch Setting Time wes nes ore OFF 6 h Float Switch Selector 55 dip switch 1 KM 1601SAH 3 Control Board CAUTION Factory set Do not adjust This must be left in the factory default position or the unit w
21. Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs CEC CEE TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 3 7 9A 5 Min Freeze 104 F WT 80 F 20A 20A Ambient WATER TEMP F TempCF _ 50 70 90 70 1585 719 1563 709 1464 664 80 1568 711 1535 696 1396 633 90 1563 709 1511 685 1387 629 100 1520 689 1482 672 1273 577 Crescent Cube 31 2 Ibs 14 2 kg 1440 pcs N A 90 70 F 70 50 F 2960 4 70 2580 3 90 363 24 0 781 49 3 1 NO 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 165 125 kg Shipping 350 Ibs 159 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic
22. Remote Condenser Unit VOLTAGE RANGE 187 253V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 10 6 KM 1601SRH with URC 21F remote air cooled auxiliary codes some 5 1 5 2 and later This data applies to units with a 15 l min or 11 l min water valve The 15 l min water valve is part number 3U0111 01 and has J248 030 stamped on the side of the valve facing the rear of the unit The 11 l min water valve is either part number 4A1176 04 or 4A5251 04 and has the part number stamped on the side of the valve facing the front of the unit AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 Ibs WATER gal 24HR gal 100 Ibs CEC CEE TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT
23. auxiliary codes 5 2 and later This data applies to units with an 11 l min water valve The 11 l min water valve is either part number 4A1176 04 or 4 5251 04 and has the part number stamped on the side of the valve facing the front of the unit APPROXIMATE ICE AMBIENT TEMP PROD TON PERAS 70 21 80 27 90 32 Ibs day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 26 400 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 500 BTU h AT 90 F 32 WT 70 F 219C CONDENSER VOLUME 214 CU IN URC 22F Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 53 Service Diagnosis WARNING 1 This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death electric shock serious injury or fire 2 Risk of electric shock Use extreme caution and exercise safe electrical practices Moving parts
24. e g fan blade can crush and cut Keep hands clear CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after the unit is serviced Make sure that none have fallen into the storage bin Make sure all food zones in the icemaker and storage bin are clean after the unit is serviced For cleaning procedures see Cleaning and Maintenance A Diagnostic Procedure The diagnostic procedure is basically a sequence check which can be used at unit startup or for system diagnosis Before conducting the diagnostic procedure check for correct installation proper voltage per unit nameplate and adequate water supply Check CB using the steps in IV B Control Board Check Check the dip switch settings to assure that S4 dip switch 3 4 7 8 9 10 and S5 KM 1601SAH 3 CB dip switch 1 through 5 are in the factory default position S4 dip switch 1 2 5 6 are cleaning adjustments and the settings are flexible For factory default settings see 3 Default Dip Switch Settings As you go through the procedure check to assure the components energize and de energize correctly If not those components and controls are suspect 1 Turn off the power supply then access the control box Clear any ice from TBC 2 Turn on the power supply then move the control switch to the ICE position A 5 second delay occurs CB red POWER OK LED and green BC CLOSED LED 16015 3 CB turn o
25. touch Comp discharge line Is it hot If not check that Comp is energized refrigerant pressures are in range HGV is energized and open LLV is de energized and closed If discharge line is hot touch the inlet line to the evaporator If discharge line is hot place a thermometer on the suction line next to the thermistor Has it warmed to 48 F 9 C or warmer Confirm thermistor status See Thermistor Check KM 1601SAH 3 G CB If temperature has been reached check that WV and X 11 relay de energize LED 4 off and PM energizes LED 3 on to circulate water over evaporator for the last 50 seconds of harvest If not make sure S4 dip switch 7 is in the factory default position Check CB K1 ten pin connector pin 5 DBU wire for 115VAC Also check X10 relay X10 relay and X10 relay terminal 4 must be energized for PM to rotate in the proper direction All If 1 minute fill cycle starts after the harvest timer terminates see IV D Float Switch Check and Cleaning If the thermistor reading is in proper range and CB fails to terminate the harvest cycle and initiate the freeze cycle CB is bad and must be replaced 55 5 Freeze Cycle LED 1 is on Comp and FM FMR remain energized PM energizes for KM 1601SAH 3 remains energized energizes HGV and X10 relay 16015 3 de energize The unit is held in freeze by a 5 minute short cycle protection timer CB will not accept a signal from F S during the first 5 min
26. 5 cycles After 6th freeze cycle Every 10 cycles After 11th freeze cycle e Harvest Pump Timer Bin Control Selector S4 dip switch 7 Depending on the control board S4 dip switch 7 is either a harvest pump timer or bin control selector Every 2 cycles 1 Harvest Pump Timer KM 1601SAH 3 G Control Board CAUTION Factory set for proper operation Do not adjust Adjustment outside of the factory default setting may result in damage to the icemaker Depending on the harvest pump timer setting the pump motor energizes and runs the last 0 or 50 seconds of harvest When the pump is on water circulates over the evaporator The water valve is open during harvest for a maximum of 6 minutes or the length of harvest minus 0 or 50 seconds determined by the harvest pump timer setting whichever is shorter When 54 dip switch 7 is on the pump motor is energized through the 5 DBU wire on the control board K1 ten pin connector and the X10 relay The 5 pin DBU wire is used in most applications to reverse the pump motor or energize the drain valve in pump out cycles In this application it is used for the pump out cycle reverse rotation as well as the harvest pump timer freeze rotation Therefore the harvest pump timer relays are needed to control the pump motor direction during the pump out and harvest cycles See Wiring Diagrams KM 1601SAH 3 G Control Board S4 Dip Switch Setting Pump Motor Time seconds
27. 70 F 219 CONDENSER VOLUME 214 CU IN URC 22F Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 50 8 KM 1601SRH3 with URC 21F remote air cooled auxiliary codes R 0 R 1 some 5 1 This data applies to units with an 8 l min water valve The 8 l min water valve is part number 300111 02 and has J248 032 stamped on the side of the valve facing the rear of the unit APPROXIMATE ICE PRODUCTION PER 24 HR AMBIENT TEMP WATER TEMP 9 9 50 10 70 21 90 32 70 21 80 27 90 32 lbs day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 24 600 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 300 BTU h AT 90 F 32 C WT 70 F 21 CONDENSER VOLUME 441 CU IN URC 21F Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes
28. Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E TF5 Air Cooled Remote Condenser Unit URC 21F Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 21F R404A 24 Ib 14 6 oz 113000 Icemaker 15 Ib 3 4 oz Cond Unit 9 Ib 11 2 oz High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Dispenser or Ice Storage Bin Remote Condenser Unit VOLTAGE RANGE 187 253V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 13 9 KM 1601SRH3 with URC 21F remote air cooled auxiliary codes some 5 1 5 2 and later This data applies to units with a 15 l min or 11 l min water valve The 15 l min water valve is part number 3U0111 01 and has J248 030 stamped on the side of the valve facing the rear of the unit The 11 l min water valve is either part number 4A1176 04 or 4A5251 04 and has the part number stamped on the side of the valve facing the front of the unit AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day
29. Minimum 3 8 nominal ID copper water tubing or equivalent 9 Thermostatic Bin Control Extension bracket not installed See Bin Control Check Bulb out of position Bad contacts 10 Control Board Harvest timer set too short See Control Board Check b Defective 11 Thermistor a Loose disconnected or defective See Thermistor Check 12 Hot Gas Valve Closed 18 Liquid Line Valve f applicable 14 Thermostatic Expansion Valve a Defective TXV 15 Water Regulating Valve water cooled model 1 Evaporator Scaled up 2 Separators Damaged 3 Spray Tubes and or Spray 7 4 Refrigerant charge Low 5 Check Valve Defective 6 Control Board Freeze timer set incorrectly See IV B Control Board Check p Defective m SJs 65 Freeze Up Possible Cause 7 Inlet Water Valve Leaking by 8 Float Switch a Float does not move freely See IV D Float Switch Check Defective and Cleaning 9 Pump Motor a RPM too slow b Impeller damaged 10 Thermostatic Expansion Valve a Defective TXV 11 Headmaster C P R remote Defective condenser unit 12 Water Regulating Valve 8 Out of adjustment water cooled model See Adjustment of Water Regulating Valve 3 Low Ice Production 1 Evaporator 2 Spray Tubes and or Spray Guides 3 Refrigerant Charge 4 Water Supply C Insufficient water line
30. Model CS18K6E TF5 Air Cooled Remote Condenser Unit URC 21F Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 21F R404A 24 14 6 oz 11300g 15 Ib 3 4 oz Cond Unit 9 Ib 11 2 02 High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Dispenser or Storage Bin Remote Condenser Unit VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 14 10 KM 1601SRH3 with URC 22F remote air cooled auxiliary codes 5 2 and later This data applies to units with an 11 l min water valve The 11 l min water valve is either part number 4A1176 04 or 4 5251 04 and has the part number stamped on the side of the valve facing the front of the unit AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs CEC CEE TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER S
31. Stainless Steel and Copper Thermostatic Expansion Valve R404A 3 Ib 12 5 oz 1715g High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes specifications and design without prior notice 3 KM 1601SWH water cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs WATER COOLED CONDENSER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 1 3 wire with neutral for 115V 13 4 A 5 Min Freeze AT 104 F WT 80
32. as a low water safety to protect PM 2 Initial Harvest Cycle LEDs 1 4 and 2 are on WV and X11 relay remain energized Comp FM HGV and X10 relay energize CB monitors the warming of the evaporator via the thermistor located on the suction line When the thermistor reaches 48 F 9 C CB reads 3 9 signal from the thermistor and turns harvest termination over to the harvest timer S4 dip switch 1 amp 2 The harvest timer has settings of 60 90 120 and 180 seconds For details see Il C 3 b Harvest Timer S4 dip switch 1 amp 2 WV is energized during harvest for a maximum of 6 minutes or the length of harvest minus 0 or 50 seconds harvest pump timer S4 dip switch 7 whichever is shorter CAUTION Do not adjust S4 dip switch 7 out of the factory default position on this model Adjustment outside of the factory default position may result in damage to the icemaker LED 4 turns off when WV and X11 relay de energize LED 3 turns on and PM energizes and runs for the last 0 or 50 seconds of harvest depending on S4 dip switch 7 setting This circulates water over the evaporator for the last O or 50 seconds of harvest PM is energized through CB K1 ten pin connector pin 5 DBU wire and the X10 relay When the harvest timer terminates the harvest cycle is complete CB checks the position of F S and proceeds to the freeze cycle if it is closed or calls for 1 minute fill cycle if it is open The minimum total time allowed by CB fo
33. required However where water quality is bad and the icemaker needs a pump out more often the pump out frequency can be adjusted The pump out frequency control S4 dip switch 5 amp 6 can be set to have a pump out occur every cycle or every 2 5 or 10 cycles For details see Pump Out Frequency Control S4 dip switch 5 amp 6 23 5 Harvest Cycle Same as the initial harvest cycle See II B 1 b 2 Initial Harvest Cycle Note Unit continues to cycle until TBC is satisfied or power is turned off The unit always restarts at the 1 minute fill cycle 6 Shutdown When ice contacts TBC bulb TBC switch open TBC shuts down the unit within 10 seconds TBC is factory set and generally no adjustment is required However adjustment may be needed in some conditions particularly at higher altitude locations CAUTION Do not adjust S4 dip switch 7 out of the factory default position on this model This dip switch must be left in the factory default position or this unit will not operate correctly Legend CB control board Comp compressor FMR fan motor remote F S float switch HGV hot gas valve LLV liquid line valve PM pump motor TBC thermostatic bin control WV inlet water valve 24 2 Sequence Flow Chart uonisod 291 ur peoeld UBYM JOU eui Burzniues pue Jaye 95015
34. size Minimum 3 8 nominal ID copper water tubing or equivalent d Too cold 5 Control Board a Thermistor connection loose K3 See IV B Control Board Check Defective 6 Thermistor 8 Loose disconnected or defective See IV E Thermistor Check 7 Hot Gas Valve Erratic or closed 8 Inlet Water Valve a Water valve screen clogged 9 Compressor a Inefficient or off 10 Liquid Line Valve f applicati 11 Thermostatic Expansion Valve a Defective TXV 12 Water Regulating Valve Leaking by water cooled model a Scaled up 66 Low Ice Production Possible Cause 6 Control Board a Float switch connection loose K5 See IV B Control Board Check b Defective 7 Hot Gas Valve Erratic or open 8 Inlet Water Valve Leaking by 9 Float Switch Float does not move freely or defective switch See IV D Float Switch Check and Cleaning 10 Compressor Inefficient or off 11 Pump Motor a RPM too slow 12 Liquid Line Valve if applicable a Erratic or closed 13 Expansion Valve TXV Bulb loose a 15 Water Regulating Valve water cooled mode See IV F Adjustment of Water d Regulating Valve 67 V Replacement of Components WARNING 1 This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death electric shock serious injury or fire 2 Move the control swi
35. the retainer rod from the bottom of F S assembly then remove the float Be careful not to bend the retainer rod excessively when removing it 7 Wipe down F S assembly s housing shaft float and retainer rod with a mixture of 1 part Hoshizaki Scale Away and 25 parts warm water Clean the inside of the rubber boot and hose with cleaning solution Rinse the parts thoroughly with clean water 8 Reassemble F S assembly and replace it and the rubber boot in their correct positions Reconnect the vent tube and the flush tube 9 Move the control switch to the ICE position 10 Replace the insulation panel and front panel in their correct positions 11 Turn on the power supply to start the automatic icemaking process Legend CB control board F S float switch WV inlet water valve Vent Flush Shaft Float Switch Housing BL Float Retainer Rod Rubber Boot and Hose inc 61 Fig 2 E Thermistor Check To check thermistor resistance follow the steps below 1 Turn off the power supply 2 Remove the front panel then move the control switch to the OFF position 3 Remove the control box cover 4 Remove the thermistor 5 Immerse the thermistor sensor portion in a glass containing ice and water for 2 or 3 minutes 6 Disconnect the white thermistor connector from CB WHITE K3 connector and check the resistance between thermistor leads Normal range is 4 7 to 6
36. um 09 0 2 902 43 C Performance Data 1 KM 1601SAH air cooled APPROXIMATE ICE AMBIENT TEMP PRODUCTIONPER24HR 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 20 700 BTU h AT 90 F 32 C WT 70 F 21 Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 44 2 KM 1601SAH3 air cooled APPROXIMATE ICE AMBIENT TEMP PRODUCTION PER 24 HR CFIC 70 21 80 27 90 32 Ibs day _kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 24 400 BTU h AT 90 F 32 WT 70 F
37. 0198 UILU ezeeuJj e JO 0 eui 10 uiu 9 1 AM 229 1no duung p 9J9 2 79 94 ajoAQ 1 8995 _ _______________ __ _______________ eouanbes 1049023 9 HVS L09L IN a 16015 3 Control Board 291 eui ui peoejd s UBYM JOU eui ejejdugoo Burzniues pue 95015 210 Ajquuesse ejd y Jo episur pue episino eui Jezniues pue uedo Buiueejo eui eje d 1oyejode e eui Jo episino eui Jeziiiues pue y eui y perjddns s amod uogisod HSVM 94 ueuM eui Burzgiues pue Buiueejo pesn YMS y uo uonisod OUL uonisod HSWM 991 SI U9IIMS ay pezibJeu3 sjueuoduio pesop 291 291 01 1 12 SEIS 281 eo 99 sjueuoduuoo 9Jo 2 114
38. 1SAH 3 control board Open on 16015 and KM 1601SRH 3 E control board 5 Float Switch 5 Always replace the whole control board assembly if it goes bad 6 Do not short out power supply to test for voltage 27 1 Control Board Layout a 16015 3 Control Board G Control Board OUTPUT TEST Button used to test relays on control board WHITE K3 Connector 99 Harvest Control Q thermistor Bin Control Switch Closed LED green ALARM RESET Button S4 Dip Switch on continuously in thermostatic bin control application 000782 Bin Control Switch Open LED yellow mechanical bin control application only 4 4883 01 5 for Thermostatic Bin Control Application Part Number 5 Alarm Buzzer ooo Power LED red S5 Dip Switch lights when 10 5VAC y is supplied to K2 BLACK K5 Connector lt Float Switch HE e Label fe control board revision level indicated on label connector Relay LEDs green indicate which relays and K1 on side of relay connector pins are o energized LED 2 X2 Relay RED K4 Connector BC CLOSED P N 24379 K1 Ten Pin Connector Pins 1 through 10 1 9 LED 1 on LED 2 ON K1 Connector Pin 2 Magnetic Contactor and LED 2 OFF Fan Motor FM 2 LED 2 on Hot Gas Valve HGV X10 Relay in
39. 2 kO If outside the normal range replace the thermistor See V B Important Notes for Component Replacement If within the normal range continue to the next step 7 Replace the thermistor in its correct position See V B Important Notes for Component Replacement 8 Reconnect the white thermistor connector to CB WHITE K3 connector 9 Replace the control box cover in its correct position then turn on the power supply 10 Move the control switch to the ICE position 11 Once the harvest cycle starts begin timing the harvest cycle 12 The harvest timer should terminate and end the harvest cycle within 2 to 3 minutes If the harvest timer does not terminate and end the harvest cycle the harvest timer is bad and CB must be replaced Legend CB control board F Adjustment of Water Regulating Valve water cooled model WRV is factory set and generally no adjustment is required However when necessary adjust WRV using the procedure below 1 Prepare a thermometer to check the condenser drain temperature Attach a pressure gauge to the high side line of the system Adjustment Screw 2 Five minutes after a freeze cycle starts confirm that the thermometer reads 104 F to 115 F 40 C to 46 C If it does not use a flat blade screwdriver to rotate the adjustment screw WRV until the temperature is in the proper Top View range rotate counterclockwise to raise the temperature CCW Higher clockwise to lower the tempe
40. 300111 02 and has J248 032 stamped on the side of the valve facing the rear of the unit AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 Ibs WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 3 7 9A 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient Temp F WATER TEMP F 90 70 1596 724 1556 706 1436 651 80 1565 710 1503 682 1347 611 90 1556 706 1459 662 1316 597 100 1510 685 1426 647 1184 537 Crescent Cube 29 4 165 13 3 kg 1440 pcs N A 90 70 F 70 50 F 2580 4 3 2450 3 7 261 17 9 504 31 6 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 Ibs 125 kg Shipping 350 Ibs 159 kg Permanent
41. 7 80 1522 690 1503 682 1368 620 90 1519 689 1490 676 1371 622 100 1475 669 1462 663 1261 572 Crescent Cube 31 6 Ibs 14 3 kg 1440 pcs N A 90 70 F 70 50 F 2710 4 36 2560 4 01 352 23 6 755 49 3 2 YES 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 Ibs 125 kg Shipping 350 Ibs 159 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E PFV Air Cooled Remote Condenser Unit URC 22F Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 22F R404A 22 10 14 8 oz 10400 Icemaker 15 Ib 3 4 oz Cond Unit 7 Ib 11 5 oz High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Dispenser or Ice Storage Bin Remote Condenser Unit VOLTAGE RANGE 187 253V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 12 8 KM 1601SRH3 with URC 21F remote air cooled auxiliary codes R 0 R 1 some 5 1 This data applies to units with an 8 l min water valve The 8 l min water valve is part number
42. ATER TEMP F TempCF 50 70 90 70 1462 663 1427 647 1307 593 80 1435 651 1381 627 1221 554 90 1427 647 1343 609 1198 543 100 1379 625 1309 594 1064 483 Crescent Cube 31 4 16 14 3 1440pcs N A 90 70 F 70 50 F 2630 4 70 2450 4 03 228 17 0 709 48 5 2 YES 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 125 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E PFV 237 Air Cooled Fin and tube type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R404A 3 12 5 1715g High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 2 KM 1601SAH3 air cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPR
43. Allow the vacuum pump to pull down to a 29 9 Hg vacuum Evacuating period depends on pump capacity 69 4 Close the high low side valves on the gauge manifold 5 Disconnect the gauge manifold hose from the vacuum pump and attach it to a refrigerant service cylinder Remember to loosen the connection and purge the air from the hose For air cooled and water cooled models see the nameplate for the required refrigerant charge For remote air cooled model see the rating label inside the icemaker Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard 700 latest edition be used 6 A liquid charge is required when charging an R 404A system to prevent fractionation Place the service cylinder on the scales if the service cylinder is not equipped with a dip tube invert the service cylinder then place it on the scales Open the high side valve on the gauge manifold 7 Allow the system to charge with liquid until the proper charge weight is met 8 If necessary add any remaining charge to the system through the low side CAUTION To prevent compressor damage use a throttling valve or liquid dispensing device to add the remaining liquid charge through the low side service valve with the unit running 9 Close the high and low side service valves Close the high and low side gauge manifold valves then disconnect the gauge manifold hoses 10 Cap the service valves to prevent a possible lea
44. HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 24 600 BTU h AT 90 F 32 WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 300 BTU h AT 90 F 32 C WT 70 F 2190 CONDENSER VOLUME 441 CU IN URC 21F Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 48 6 KM 1601SRH with URC 21F remote air cooled auxiliary codes some 5 1 5 2 and later This data applies to units with a 15 l min or 11 l min water valve The 15 l min water valve is part number 3U0111 01 and has J248 030 stamped on the side of the valve facing the rear of the unit The 11 l min water valve is either part number 4A1176 04 or 4A5251 04 and has the part number stamped on the side of the valve facing the front of the unit APPROXIMATE ICE AMBIENT TEMP CFPC 70 21 80 27 90 32 Ibs day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 S
45. Harvest 3 LED 2 off Liquid Line K1 Connector Pin 3 LED 3 X3 Relay LED 3 on K1 Connector Pin 5 energized during Valve harvest pump timer 4 3 off Pump Motor LED 3 off PM in Freeze K1 Connector Pin 4 energized in freeze LED 4 X4 Relay K1 Connector Pin 6 LED 1 X1 Relay K1 Connector Pin 1 9 5 LED 3 on Pump Motor PM in Harvest Pump Timer and Pump Out 6 LED 4 Inlet Water Valve WV and X11 Relay 7 10 Supply Voltage K2 Connector 8 Open Control Transformer 10 5VAC G Control Board Part Number 2A3792 01 28 b KM 1601SWH 3 and KM 1601SRH 3 E Control Board ALARM RESET Button Harvest Timer LED orange E Control Board 54 Dip Switch OUTPUT TEST Button Freeze Timer LED yellow O Part Number Alarm Buzzer Power LED red lights when 10 is supplied to K2 connector Relay LEDs green indicate which relays and K1 connector pins are energized LED 2 X2 Relay LED 2 ON K1 Connector Pin 2 LED 2 OFF K1 Connector Pin 3 LED 3 X3 Relay LED 3 on K1 Connector Pin 5 energized during harvest pump timer LED 3 off WHTE P N 2 1410 01 PT RZ 7 9
46. Hoshizaki America Inc Stackable Crescent Cuber Models KM 1601SAH 3 16015 16015 SERVICE MANUAL A Superior Degree of Reliability www hoshizaki com YCLESAVER evercheck Number 73145 Issued 10 31 2006 Revised 6 24 201 I Only qualified service technicians should install service and maintain the icemaker No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual Failure to service and maintain the equipment in accordance with this manual may adversely affect safety performance component life and warranty coverage 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 write or send an e mail message to the Hoshizaki Technical Support Department for assistance HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn Hoshizaki Technical Support Department Phone 1 800 233 1940 Technical Support 770 487 2331 Fax 1 800 843 1056 770 487 3360 E mail techsupport 9 hoshizaki com Web Site www hoshizaki com NOTE To expedite assistance all correspondence communication MUST include the following information Model Number Serial Number Complete and detailed explana
47. KM 1601SRH 3 depending on the water valve installed The dip switches are factory set to the following positions S4 Dip Switch Water Code on S4 Dip Switch No Auxiliary Valve Part Water Code Number 7 KM 1601SAH 3 switch settings for air cooled units Control Board as listed regardless of auxiliary ON OFF OFF OFF code KM 1601SWH 3 Dip switch settings for water cooled E Control Board units are as listed regardless of OFF OFF OFF OFF ON ON OFF OFF OFF ON auxiliary code 3U0T 02 4546 0372 cui ON OFF OFF OFF OFF OFF OFF OFF E Control Board some S 1 8 l min Some S 1 3U0111 01 J248 030 15 l min 4 1176 04 11 l min ON OFF OFF OFF ON OFF OFF OFF OFF V 1 M amp later 4A5251 04 11 l min S5 Dip Switch Do Not Adjust a cx 112131415 OFF OFF KM 1601SWH 3 Not Applicable KM 1601SRH 3 S4 Dip Switch S5 Dip Switch All Models KM 1601 SAH 3 G Control Board Freeze Timer 9 8 10 Factory Use 8 Harvest Pump Timer 7 16015 3 Control Board Bin Control Selector 7 KM 1601SWH 3 amp KM 1601SRH 3 E Control Board Pump Out Frequency Control 5 amp 6 gt Pump Out Timer 38 4 Refill Counter 2 through 5 Float Switch Selector 1 Harvest Timer 182 32 b Harvest Timer S4 dip switch 1 8 2 The ha
48. NIT MUST BE GROUNDED The power supply and ground wire to the remote condenser unit are supplied from the icemaker Failure to properly ground the remote condenser unit could result in death or serious injury Move the icemaker control switch to the OFF position and turn off the power supply to the icemaker before servicing the remote condenser unit Lockout Tagout to prevent the power supply from being turned back on inadvertently Specifications Icemaker 1 KM 1601SAH air cooled AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 Ibs WATER gal 24HR gal 100 Ibs CEC CEE TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 1 3 wire with neutral for 115V 15 0A 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient W
49. NSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 1 3 wire with neutral 115V 12 8A 5 Min Freeze AT 104 F WT 80 20A WATER TEMP F 50 70 ____ 90 51583 718 1550 703 1435 651 Crescent Cube 29 4 Ibs 13 3 kg 1440 pcs N A 90 70 F 70 50 F 2640 4 3 2440 3 7 255 17 3 503 31 8 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 Ibs 125 kg Shipping 350 Ibs 159 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E PFV Air Cooled Remote Condenser Unit URC 21F Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 21F R404A 24 Ib 14 6 oz 11300g Icemaker 15 Ib 3 4 oz Cond Unit 9 Ib 11 2 oz High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Dispenser or Ice Storage Bin
50. OXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W KWH 100 Ibs WATER gal 24HR gal 100 Ibs CEC CEE TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 3 12 0A 5 Min Freeze AT 104 F WT 80 F 20A 20A Ambient WATER TEMP F 50 70 _ 90 70 1456 660 1423 646 1313 596 80 1431 649 1381 626 1234 560 90 1423 646 1345 610 1211 549 100 1379 626 1314 596 1088 494 Crescent Cube 32 5 16 14 8 1440pcs N A 90 70 F 70 50 F 2610 4 65 2370 3 91 249 18 5 708 48 6 3 YES 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 165 125 kg Shipping 315 Ibs 143 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E TF5 237 Air Cooled Fin and tube type Vertical type
51. Open E Control Board Part Number 29 2A1410 01 factory 2A1410 02 service 2 LED Lights Audible Alarm Safeties a KM 1601SAH 3 Control Board At startup a 5 second delay occurs while the control board conducts an internal timer check A beep occurs when the control switch is moved to the ICE position The red LED indicates proper control voltage and remains on unless a control voltage problem occurs The green LEDs 1 through 4 energize and sequence from initial startup as listed in the table below Note that the order of the LEDs from the outer edge of the control board is 1 4 3 2 For details see Sequence of Operation Sequence Step LED Epson Components Min Minute Fill Cyce 64 WV Harvest Pump Timer 1 3 2 Comp FM PM HGV 1 Comp FM PM LLV 5 minutes freeze timer 30 to 35 minutes setting PM HGV setting The built in safeties shut down the unit and have alarms as listed below No of Beeps High Evaporator Temp Check for harvest problem stuck HGV or relay hot temperature gt 127 F 53 C water entering unit or shorted thermistor 2 Harvest Backup Timer Check for open thermistor HGV not opening TXV or harvest gt 20 min for two cycles LLV leaking by low charge or inefficient Comp in a row Freeze Timer Check for F S stuck closed up WV leaking by HGV freeze gt freeze timer setting for leaking by PM no
52. PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 1 3 wire with neutral for 115V 12 8 5 Min Freeze 104 F WT 80 F 20A 20A Ambient WATER TEMP F TempCF 50 70 90 70 1564 709 1547 702 1468 666 80 1551 703 1524 691 1415 642 90 1547 702 1505 683 1407 638 100 1512 686 1482 672 1317 597 Crescent Cube 31 2 Ibs 14 2 kg 1440 pcs N A 90 70 F 70 50 F 2700 4 30 2610 4 00 375 24 9 785 50 2 2 YES 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 Ibs 125 kg Shipping 350 Ibs 159 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E PFV Air Cooled Remote Condenser Unit URC 21F Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 21F 24 14 6 oz 113009 Icemaker 15 Ib 3 4 oz Cond Unit 9 Ib 11 2 High 467PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Dispenser or Ice Storage Bin Remote Condenser Unit VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 WATER SUPPLY PRESSURE 10
53. PTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 23 500 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 200 BTU h AT 90 F 32 WT 70 F 21 WATER FLOW FOR CONDENSER 111 gal h AT 100 F 38 C WT 90 F 329C PRESSURE DROP OF COOLING WATER LINE less than 10 PSIG Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 47 5 KM 1601SRH with URC 21F remote air cooled auxiliary codes 0 R 1 some 5 1 This data applies to units with an 8 l min water valve The 8 l min water valve is part number 300111 02 and has J248 032 stamped on the side of the valve facing the rear of the unit APPROXIMATE ICE AMBIENT TEMP 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38
54. ROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER galJ24HR gal 100 Ibs WATER COOLED CONDENSER gal 24HR gal 100 Ibs TIER LEVEL ENERGY STAR EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 3 9 0A 5 Min Freeze 104 F WT 80 F 20A 20A Ambient WATER TEMP F Temp F 70 390 70 51555 705 1558 707 1466 665 80 1557 706 1562 708 1417 643 90 1558 707 1565 710 1440 653 100 1507 684 1536 697 1326 601 Crescent Cube 30 2 Ibs 13 7 kg 1440 pcs N A 90 70 F 70 50 F 2390 3 66 2270 3 5 372 23 8 804 51 7 1565 100 910 59 2 N A 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 310 Ibs 141 kg Shipping 360 Ibs 163 kg Permanent Connection Inlet 1 2 FPT Condenser Inlet 1 2 FP
55. T Outlet 3 4 FPT Condenser Outlet 3 8 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe Water Regulating Valve Thermostat Hermetic Model CS18K6E TF5 237 Water cooled Tube in tube type Vertical type Stainless Steel and Copper Thermostatic Expansion Valve R 404A 3 lbs 1 oz 14009 High 427PSIG Low 230PSIG High Voltage Cut out Internal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Storage Bin VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 WATER SUPPLY TEMP 45 90 WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 5 KM 1601SRH with URC 21F remote air cooled auxiliary codes 0 R 1 some 5 1 This data applies to units with an 8 l min water valve The 8 l min water valve is part number 300111 02 and has J248 032 stamped on the side of the valve facing the rear of the unit AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE PRODUCTION PER CYCLE APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN CONDE
56. UCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 22 800 BTU h AT 90 F 32 C WT 70 F 21 TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 300 BTU h AT 90 F 32 C WT 70 F 21 C CONDENSER VOLUME 441 CU IN URC 21F Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 49 7 KM 1601SRH with URC 22F remote air cooled auxiliary codes 5 2 and later This data applies to units with an 11 l min water valve The 11 l min water valve is either part number 4 1176 04 or 4 5251 04 and has the part number stamped on the side of the valve facing the front of the unit APPROXIMATE ICE AMBIENT TEMP WATER TEMP F C PRODUCTION PER 24 HR 50 10 70 21 90 32 Ibs day APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 21 000 BTU h AT 90 F 32 WT 70 F 21 TOTAL HEAT OF REJECTION FROM COMPRESSOR 2 800 BTU h AT 90 F 32 WT
57. UPPLY DRAIN CONDENSATE DRAIN CUBE CONTROL SYSTEM HARVESTING CONTROL SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION REFRIGERANT CIRCUIT PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS 208 230 60 3 7 9A 5 Min Freeze 104 F WT 80 F 20A 20A Ambient WATER TEMP F Temp F 50 70 9 70 1530 694 1521 690 1414 641 80 1523 691 1508 684 1349 612 90 1521 690 1498 679 1359 616 100 1468 666 1465 665 1231 558 Crescent Cube 32 1 Ibs 14 6 kg 1440 pcs N A 90 70 F 70 50 F 2780 4 46 2490 3 90 348 23 2 704 46 0 2 YES 48 x 27 3 8 x 27 3 8 1219 x 695 x 695 mm Stainless Steel Galvanized Steel Rear Net 275 105 125 kg Shipping 350 Ibs 159 kg Permanent Connection Inlet 1 2 FPT Outlet 3 4 FPT 3 8 OD Tube Float Switch Hot Gas and Water Thermistor and Timer Timer Controlled Overflow Pipe N A Thermostat Hermetic Model CS18K6E TF5 Air Cooled Remote Condenser Unit URC 22F Vertical type Stainless Steel and Copper Thermostatic Expansion Valve Condensing Pressure Regulator on URC 22F R404A 22 Ib 14 8 oz 104000 Icemaker 15 Ib 3 4 oz Cond Unit 7 Ib 11 5 oz High 467PSIG Low 230PSIG High Voltage Cut out Inter
58. UPPLY VOLTAGE FAN MOTOR EXTERIOR DIMENSIONS WxDxH DIMENSIONS INCLUDING LEGS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC REFRIGERANT CONDENSER FAN MOTOR PROTECTION REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE OPERATING CONDITIONS ACCESSORIES SUPPLIED 115 60 1 Connection to Icemaker 115 V Total 2 6FLA 130W 46 3 8 x 15 11 16 x 25 15 16 1178 x 398 x 659 mm 48 7 16 x 18 1 8 x 40 7 8 1230 x 460 x 1039 mm Galvanized Steel Net 134 Ibs 61 kg Shipping 145 105 66 Permanent Connection Discharge Line 1 1 16 12 UNF Fitting 10 PARKER Liquid Line 5 8 18 UNF Fitting 6 PARKER Air cooled Fin and tube type Thermal Protection Condensing Pressure Regulator R 404A 70 11 5 oz 35009 High 467 PSIG 32 2 Bar VOLTAGE RANGE 104 127 V AMBIENT TEMP 20 122 F Leg 2 pcs Hex Head Bolt w Washer 8 x 16 8 pcs Hex Nut 8 8 pcs Note We reserve the right to make changes in specifications and design without prior notice 17 General Information A Construction 1 KM 1601SAH 3 air cooled Separators Spray Tubes Low Side Service Valve Inlet Water Valve WV Xx High Side Service Valve cms Thermostatic Expansion Valves Water Supply Inlet Junction Box Hot Gas Valve HGV Check Valves Cube Guides N Air Cooled A Condenser
59. are in the factory default position If S4 dip switch 3 and 4 are adjusted to 3 off and 4 on WV and harvest pump timer relays energize Once these relays energize PM rotates in the freeze cycle rotation See III B Wiring Diagrams Check PM circuit and capacitor check CB K1 ten pin connector pin 5 wire for voltage Also check X10 relay X10 relay must be de energized and X10 relay terminal 2 must be energized for PM to rotate in the proper direction If water does not pump out check and clean the pump out check valve assembly and tubing KM 1601SWH 3 KM 1601SRH 3 E CB If PM does not energize check circuit and capacitor check CB K1 ten pin connector pin 5 DBU wire for voltage If water does not pump out check and clean the pump out check valve assembly and tubing 7 Normal Harvest Cycle same as the initial harvest cycle Return to IV A 4 Initial Harvest Cycle 8 Shutdown When the unit is running hold ice in contact with TBC bulb TBC switch opens within 10 seconds shutting down the unit CB red POWER OK LED turns off TBC is factory set and generally no adjustment is required However adjustment may be needed in some conditions particularly at higher altitude locations Diagnosis See IV C Bin Control Check Legend CB control board Comp compressor FM fan motor FMR fan motor remote F S float switch HGV hot gas valve HM headmaster C P R LLV liquid line valve PM pump motor TBC th
60. closed for all icemaking operation The compressor will not operate unless this valve is completely closed 2 To close the cleaning valve the valve handle should be at a right angle to the valve To open the cleaning valve the valve handle should be parallel to the valve CLOSED Normal Icemaking Operation Cleaning and Sanitizing Operation allows solution flow to the inside of the evaporator 72 1 Cleaning Procedure 1 Dilute 27 fl oz 800 ml of Hoshizaki Scale Away with 5 gal 19 1 of warm water 2 Remove all ice from the evaporator and the storage bin Note To remove cubes on the evaporator turn off the power supply and turn it back on after 3 minutes The harvest cycle starts and the cubes will be removed from the evaporator 3 Turn off the power supply 4 Remove the front panel then remove the insulation panel by first removing the thumbscrew lifting up the panel slightly and pulling it towards you 5 Remove the drain plug located on the lower front part of the ice chute Allow the water tank to drain 6 Replace the drain plug in its correct position Be careful not to cross thread it 7 In bad or severe water conditions clean the float switch assembly as described below Otherwise continue to step 8 a Disconnect the vent tube and the flush tube from the top of the float switch then remove the float switch assembly Remove the rubber boot from the bottom of the assembly b Remo
61. contacts HPS and CT secondary circuit CT output is 10 5V at 115V primary input If the secondary circuit has proper voltage and CB red POWER OK LED is off CB is bad and should be replaced If CT secondary circuit does not have proper voltage check the CT primary circuit Check for 115V at CB K1 ten pin connector Check the 10 pin BR wire to a white neutral wire for 115V For additional checks see IV G 1 No Ice Production 3 The OUTPUT TEST button provides a relay sequence test Make sure the control switch is in the ICE position then press the OUTPUT TEST button For the correct lighting sequence see the table below Note that the order of the LEDs from the outer edge of CB is 1 4 3 2 Components e g compressor will cycle during the test Control Correct LED Board Lighting Sequence KM 1601SAH 3 1 4 3 2 KM 1601SWH 3 KM 1601SRH 3 2 3 4 1 Following the test the icemaker resumes operation If the LEDs do not turn on as described above CB is bad and should be replaced 4 To verify voltage output from CB to the components slide CB K1 ten pin connector out far enough to allow multimeter lead contact With the unit in the cycle to be tested check output voltage from the corresponding pin on CB K1 ten pin connector to ground If output voltage is not present and the appropriate LED is is bad and must be replaced Legend CB control board CT control transformer HPS high pressure switch TBC the
62. e 58015 1055 515 4 1 5 4 SHES JOW 3591 20 6 2 056 4 8 5 peziBieue ep A11 008 02 01 10 UBU 008 210 7 ASH W4 dwog peziBieue ep ASH ATT W4 dwog 9799 10 uedo S 4 pezi amp jeue ASH W4 pezi amp jeue dwog AM uedo S 4 3 pezi amp ueue AM AM 42849 6 4 Aejap 99 6 Jaye lt 4 5 295 06100 lt gt 3 lt 2 9 5 4 Jeuun 04 Jojsiu9u p gt uiu Oz euun WNWIXEN e 9 uouws dip 75 oes 02 01 10 oes Z pe 10 Ul 6 4 JO 58015 lt Ul JOU Ulul G gt 9 9 9 uouws 01 9 6 dip uo 7 dip YS LON dip 2 2 e OG 5 si uos YS 295 OS 198 1
63. ed As the filters get clogged the icemaker s performance will be reduced Check the filters at least twice a month When clogged use warm water and a neutral cleaner to wash the filters 4 Condenser air cooled and remote air cooled models Check the condenser once a year and clean the coil if required by using a brush or vacuum cleaner More frequent cleaning may be required depending on location C Preparing the Icemaker for Long Storage CAUTION 1 When storing the icemaker for an extended time or in sub freezing temperatures follow the instructions below to prevent damage 2 To prevent damage to the water pump seal do not operate the icemaker with the control switch in the WASH position when the water tank is empty When the icemaker is not used for two or three days under normal conditions it is sufficient to move the control switch to the OFF position When storing the icemaker for an extended time or in sub freezing temperatures follow the instructions below 1 Remove the water from the icemaker water supply line 1 Turn off the power supply then remove the front panel 2 Move the control switch on the control box to the OFF position 3 Close the icemaker water supply line shut off valve then open the icemaker water supply line drain valve 75 4 Allow the line to drain by gravity 5 Attach a compressed air or carbon dioxide supply to the icemaker water supply line drain valve 6 Move the contro
64. er to pry up on the spring retainer underneath the spring While holding the valve open blow out the condenser using the compressed air or carbon dioxide supply until water stops coming out 6 Close the drain valve s 7 Replace the right side panel and front panel in their correct positions 76
65. ermostatic bin control TXV thermostatic expansion valve WV inlet water valve 57 Control Board Check Before replacing CB that does not show a visible defect and that you suspect is bad always conduct the following check procedure This procedure will help you verify your diagnosis Always choose a white neutral wire to establish a good neutral connection when checking voltages Alarm Reset If CB is in alarm beeping press the ALARM RESET button on CB while itis beeping WARNING Risk of electric shock Care should be taken not to touch live terminals Once reset the unit starts at the 1 minute fill cycle For audible alarm information see 1 2 LED Lights and Audible Alarm Safeties 1 Check the dip switch settings to assure that S4 dip switch 3 4 7 8 9 10 and S5 16015 CB dip switch 1 through 5 are in the factory default position S4 dip switch 1 2 5 6 are cleaning adjustments and the settings are flexible For factory default settings see II C 3 a Default Dip Switch Settings 2 Move the control switch to the ICE position If CB red POWER OK LED is on the control voltage is good If CB red POWER OK LED is off clear ice away from TBC bulb in the storage bin area If no ice is near TBC bulb or CB red POWER OK LED does not turn on even after clearing away ice check TBC See IV C Bin Control Check If TBC is okay closed and CB red POWER OK LED is off check the fuse control switch
66. he suction line When the thermistor reaches 48 F 9 C CB reads a 3 9 kO signal from the thermistor and turns harvest termination over to the harvest timer S4 dip switch 1 amp 2 The harvest timer has settings of 60 90 120 and 180 seconds KM 1601SAH 3 G CB WV is energized during harvest for a maximum of 6 minutes or the length of harvest minus 50 seconds whichever is shorter 50 seconds before the harvest timer terminates LED 4 turns off WV and X 11 relay de energize LED 3 turns on and PM energizes for the last 50 seconds of harvest CAUTION S4 dip switch 7 must remain in the factory default position of 7 on Otherwise PM will not energize during the last 50 seconds of harvest Adjustment outside of the factory default position may result in damage to the icemaker is energized through CB K1 ten pin connector pin 5 DBU wire and the X10 relay KM 1601SWH 3 KM 1601SRH 3 E CB WV is energized during harvest for a maximum of 6 minutes or the length of harvest whichever is shorter When the harvest timer terminates the harvest cycle is complete CB checks the position of F S and proceeds to the next cycle if it is closed or calls for a 1 minute fill cycle if it is open The minimum total time allowed by CB for a complete harvest cycle is 2 minutes Diagnosis Check that Comp FM FMR HGV and WV are energized Average initial harvest cycle at factory setting is 2 to 3 minutes 1 5 minutes after initial harvest begins
67. ill not operate correctly S5 dip switch 1 allows for single or double float switch applications The KM 1601SAH 3 use a single float switch i Refill Counter 55 dip switch 2 through 5 KM 1601SAH 3 Control Board CAUTION Factory set Do not adjust These must be left in the factory default position or the unit will not operate correctly S5 dip switch 2 through 5 allows for refills during the freeze cycle The KM 1601SAH 3 do not refill 35 D Control Switch The control switch has three positions OFF for power off ICE for icemaking and WASH to activate the water pump when cleaning and sanitizing 36 Ill Technical Information A Water Circuit and Refrigeration Circuit 1 KM 1601SAH 3 air cooled Sex YOUMS einsseJQ uBipH 5 JoBueuox3 eur pinbr ue JOSUBPUOD JOjsiuJeu L Hulues D UND 1 4 m ju hz Paare NM Ks n 07 181 18 D oc ur ae 7 JoyeJode 43 EN seqny
68. in specifications and design without prior notice 51 9 KM 1601SRH3 with URC 21F remote air cooled auxiliary codes some 5 1 5 2 and later This data applies to units with a 15 l min or 11 l min water valve The 15 l min water valve is part number 3U0111 01 and has J248 030 stamped on the side of the valve facing the rear of the unit The 11 l min water valve is either part number 4A1176 04 or 4A5251 04 and has the part number stamped on the side of the valve facing the front of the unit APPROXIMATE ICE AMBIENT TEMP PRR NRE CFPC 70 21 80 27 90 32 Ibs day kg day 100 38 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 FREEZING CYCLE TIME 70 21 80 27 90 32 min 100 38 HARVEST CYCLE TIME 70 21 80 27 90 32 min 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 22 000 BTU h AT 90 F 32 C WT 70 F 21 C TOTAL HEAT OF REJECTION FROM COMPRESSOR 3 200 BTU h AT 90 F 32 C WT 70 F 21 C CONDENSER VOLUME 441 CU IN URC 21F Note 1 Pressure data is recorded at 5 minutes into freezing cycle The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 52 10 KM 1601SRH3 with URC 22F remote air cooled
69. k 70 B Important Notes for Component Replacement CAUTION When replacing a component listed below see the notes to help ensure proper operation Component Compressor Install a new start capacitor run capacitor and start relay Thermostatic Attach the thermostatic expansion valve bulb to the suction line in the same location as Expansion Valve the previous bulb The bulb should be between the 10 and 2 o clock position on the tube Secure the bulb with the clamp and holder then insulate it Hot Gas Valve Replace the strainer when replacing the hot gas valve Thermistor Attach the new thermistor to the suction line in the same location as the previous thermistor The thermistor should be at the 12 o clock position on the tube Smoothly fill the recessed area of the thermistor holder with high thermal conductive type sealant Hoshizaki America part number 4A0683 01 Silicone Heat Sink Compound 10 8108 manufactured by GC Electronics KE 4560 RTV manufactured by ShinEtsu Silicones or equivalent are recommended Secure the thermistor with the holder then insulate it Be very careful to prevent damage to the leads Thermistor Lead Thermistor Holder AA ZA L CE Foam Insulation 072727222722 Cable 71 VI Cleaning and Maintenance This icemaker must be cleaned and maintained in accordance with the instruction manual and labels provided with the icemaker Cons
70. l switch to the ICE position 7 Replace the front panel in its correct position then turn on the power supply 8 Blow the icemaker water supply line out using the compressed air or carbon dioxide supply 9 Close the icemaker water supply line drain valve 2 Drain the water tank 1 Turn off the power supply then remove the front panel Move the control switch to the OFF position 2 Remove the insulation panel Remove the drain plug located on the lower front part of the ice chute See Fig 1 Allow the water tank to drain 3 Replace the drain plug and the insulation panel in their correct positions Be careful not to cross thread the drain plug 4 Remove all ice from the storage bin Clean the storage bin using a neutral cleaner Rinse thoroughly after cleaning 5 Replace the front panel in its correct position 3 On water cooled model only first remove the water from the water cooled condenser 1 Make sure the power supply is off then remove the front panel and right side panel 2 Close the condenser water supply line shut off valve If connected to a closed loop system also close the condenser return line shut off valve 3 Open the condenser water supply line drain valve If connected to a closed loop system also open the condenser return line drain valve 4 Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve 5 Open the water regulating valve by using a screwdriv
71. n If red POWER OK LED is off clear ice away from TBC bulb in the storage bin area If no ice is near TBC bulb or the LED does not turn on even after clearing away ice check TBC See IV C Bin Control Check If yellow OPEN LED KM 1601SAH 3 CB is on indicating a full bin confirm that CB K4 jumper is in place 3 1 Minute Fill Cycle LED 4 is on WV and X11 relay 16015 3 energize and the 1 minute fill cycle begins After 1 minute CB checks for a closed F S If F S is closed the harvest cycle begins If closed continue to step 4 If open WV remains energized through additional 1 minute fill cycles until water fills the water tank and closes F S low water safety Diagnosis Confirm that water is filling the water tank If not check that the water supply shut off valve is open and WV screen and any external filters are clear If WV does not energize LED 4 on check K1 ten pin connector pin 46 O wire for 115VAC If no voltage is present CB is bad and must be replaced If voltage is present check WV connections and solenoid continuity If unit fails to start harvest check for open F S or bad 1 minute timer in CB See IV D Float Switch Check and Cleaning 54 4 Initial Harvest Cycle LEDs 1 4 and 2 on WV and X11 relay 16015 3 remain energized Comp FM FMR HGV and X10 relay 16015 3 energize CB monitors the warming of the evaporator via the thermistor located on t
72. nal Auto reset Overload Protector Internal Auto reset High Pressure Control Switch Float Switch N A Ice Dispenser or Ice Storage Bin Remote Condenser Unit VOLTAGE RANGE 187 253 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG Note We reserve the right to make changes in specifications and design without prior notice 15 B Condenser Unit 1 URC 21F AC SUPPLY VOLTAGE FAN MOTOR EXTERIOR DIMENSIONS WxDxH DIMENSIONS INCLUDING LEGS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC REFRIGERANT CONDENSER FAN MOTOR PROTECTION REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE OPERATING CONDITIONS ACCESSORIES SUPPLIED 115 60 1 Connection to Icemaker 115V Total 2 6FLA 130W 46 3 8 x 15 11 16 x 25 15 16 1178 x 398 x 659 mm 48 7 16 x 18 1 8 x 40 7 8 1230 x 460 x 1039 mm Galvanized Steel Net 158 Ibs 72 kg X Shipping 169 lbs 77 Permanent Connection Discharge Line 1 1 16 12 UNF Fitting 10 PARKER Liquid Line 5 8 18 UNF Fitting 6 PARKER Air cooled Fin and tube type Thermal Protection Condensing Pressure Regulator R 404A 916 1102 44009 High 467 PSIG 32 2 Bar VOLTAGE RANGE 104 127 V AMBIENT TEMP 20 122 F 2 5 Hex Head Bolt w Washer 8 x 16 8 pcs Hex Nut 8 8 pcs Note We reserve the right to make changes in specifications and design without prior notice 16 2 URC 22F S
73. nlet water valve 22 b KM 1601SWH 3 and KM 1601SRH 3 E Control Board IMPORTANT KM 1601SWH 3 and KM 1601 SRH 3 utilize an E control board and TBC The steps in the sequence are as outlined below When power is supplied CB red POWER OK LED turns on There is a 5 second delay before startup Note that the order of the component LEDs from the outer edge of CB is 1 4 3 2 1 1 Fill Cycle LED 4 is on WV energizes and the 1 minute fill cycle begins After 1 minute CB checks for a closed F S If F S is closed the harvest cycle begins If open WV remains energized through additional 1 minute fill cycles until water fills the water tank and closes F S This serves as a low water safety to protect PM 2 Initial Harvest Cycle LEDs 1 4 and 2 are on WV remains energized Comp FMR HGV energize CB monitors the warming of the evaporator via the thermistor located on the suction line When the thermistor reaches 48 F 9 C CB reads a 3 9 signal from the thermistor and turns harvest termination over to the harvest timer S4 dip switch 1 amp 2 The harvest timer has settings of 60 90 120 and 180 seconds For details see II C 3 b Harvest Timer S4 dip switch 1 amp 2 WV is energized during harvest for a maximum of 6 minutes or the length of harvest whichever is shorter LED 4 turns off when WV de energizes When the harvest timer terminates the harvest cycle is complete CB checks the position of F S and pr
74. nnections outside the evaporator case when possible If itis necessary to braze inside the evaporator case use sandpaper to remove the coating from the brazing connections before unbrazing the components CAUTION 1 Always install a new drier every time the sealed refrigeration system is opened 2 Do not replace the drier until after all other repair or replacement has been made Install the new drier with the arrow on the drier in the direction of the refrigerant flow 3 When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 2 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use 404 as a mixture with pressurized air for leak testing 3 Evacuation and Recharge 404 1 Attach a vacuum pump to the system Be sure to connect the charging hoses to both high and low side service valves IMPORTANT The vacuum level and vacuum pump may be the same as those for current refrigerants However the rubber hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for POE oils 2 Turn on the vacuum pump Open the gauge manifold valves then open the high and low side service valves Never allow the oil in the vacuum pump to flow backwards 3
75. oceeds to the next cycle if it is closed or calls for a 1 minute fill cycle if it is open The minimum total time allowed by CB for a complete harvest cycle is 2 minutes 3 Freeze Cycle LED 1 is on Comp and FMR remain energized PM and LLV energize HGV and WV de energize The unit is held in freeze by a 5 minute short cycle protection timer CB will not accept a signal from F S during the first 5 minutes of freeze After the 5 minute short cycle protection timer terminates CB turns freeze termination over to F S As ice builds on the evaporator the water level in the water tank lowers The freeze cycle continues until F S opens and terminates the cycle 4 Pump Out Cycle LEDs 1 3 and 2 are on LED 4 is on when S4 dip switch 3 amp 4 are set to 3 off and 4 on For details see Pump Out Timer S4 dip switch 3 amp 4 Comp and FMR remain energized HGV energizes WV energizes if S4 dip switch 3 off and 4 on LLV de energizes PM stops for 2 seconds then reverses taking water from the bottom of the water tank and forcing pressure against the pump out check valve seat allowing water to go through the pump out check valve and down the drain At the same time water flows through the small tube to power flush F S When the pump out timer terminates the pump out is complete The first pump out occurs after the 1st freeze cycle then every 10th cycle thereafter The pump out frequency is factory set and generally no adjustment is
76. p out timer also acts in place of the harvest timer during cycles with a pump out The pump out timer is factory set and generally no adjustment is required The pump out timer control can be set to pump out for 10 or 20 seconds S4 Dip Switch Setting No 3 No 4 T T2 Valve OFF OFF 10 150 closed ON OFF 10 180 closed OFF ON 120 T1 Time to drain the water tank T2 Harvest timer at pump out 33 Pump Out Frequency Control S4 dip switch 5 8 6 The pump out frequency control is factory set to drain the water tank every 10 cycles except for KM 1601SRH 3 utilizing 300111 02 water valve and generally no adjustment is required However where water quality is bad and the icemaker needs a pump out more often the pump out frequency can be adjusted The pump out frequency control can be set to have a pump out occur every cycle or every 2 5 or 10 cycles Timing of the first pump out is dependent on the control board For KM 1601SAH 3 G control board first pump out is dependent on S4 dip switch 5 amp 6 See the table below For KM 1601SWH 3 and KM 1601SRH 3 E control board first pump out is after the first freeze cycle KM 1601 SAH 3 amp KM 1601SWH 3 KM 1610SRH 3 E Control Board S4 Dip Switch Setting KM 1601SWH 3 Pump Out KM 1601SAH 3 KM 1601SRH 3 Frequency G Control Board E Control Board Every cycle After 2nd freeze cycle After 1st freeze cycle Every
77. place the drier until after all other repair or replacement has been made Install the new drier with the arrow on the drier in the direction of the refrigerant flow When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 1 Refrigerant Recovery The icemaker is provided with refrigerant service valves Using proper refrigerant practices recover the refrigerant from the service valves and store it in an approved container Do not discharge the refrigerant into the atmosphere 68 2 Brazing WARNING 1 R 4044 itself is not flammable at atmospheric pressure and temperatures up to 176 F 80 2 404 itself is not explosive or poisonous However when exposed to high temperatures open flames R 404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous 3 Do not use silver alloy or copper alloy containing arsenic 4 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use R 404A as a mixture with pressurized air for leak testing 1 Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG Note Because the pipes in the evaporator case are specially coated to resist corrosion itis important to make co
78. r a complete harvest cycle is 2 minutes 3 Freeze Cycle LED 1 is on Comp and FM remain energized PM energizes or remains energized depending on harvest pump timer S4 dip switch 7 setting LLV energizes HGV and X10 relay de energize The unit is held in freeze by a 5 minute short cycle protection timer CB will not accept a signal from F S during the first 5 minutes of freeze After the 5 minute short cycle protection timer terminates CB turns freeze termination over to F S As ice builds on the evaporator the water level in the water tank lowers The freeze cycle 21 continues until F S opens and terminates the cycle There is 15 second delay before acknowledges an open F S 4 Pump Out Cycle LEDs 1 3 and 2 are on LED 4 is on when S4 dip switch 3 amp 4 are set to 3 off and 4 on For details see II C 3 c Pump Out Timer 54 dip switch amp 4 CAUTION Do not adjust S4 dip switch 3 amp 4 to 3 off and 4 on Adjustment to this position on this model prevents the pump motor from rotating in the pump out direction Comp and FM remain energized HGV energizes WV energizes if S4 dip switch 3 off and 4 on LLV de energizes PM stops for 2 seconds then reverses taking water from the bottom of the water tank and forcing pressure against the pump out check valve seat allowing water to go through the pump out check valve and down the drain At the same time water flows through the small tube to power flush F S When the pump o
79. rature See Fig 3 Next check CW Lower that the reference pressure is in the range indicated in the Head Pressure table in the Performance Data section If it is Fig 3 not in the proper range verify the refrigerant charge 3 Check that the condenser drain temperature is stable Legend WRV water regulating 62 Diagnostic Charts Before consulting the diagnostic charts check for correct installation proper voltage per unit nameplate and adequate water supply Check the control board using the steps in IV B Control Board Check Check the dip switch settings to assure that S4 dip switch 3 4 7 8 9 10 and S5 16015 CB dip switch 1 through 5 are in the factory default position S4 dip switch 1 2 5 6 are cleaning adjustments and the settings are flexible For factory default settings see II C 3 a Default Dip Switch Settings 1 No Ice Production No Ice Production Possible Cause 1 Power Supply a Off blown fuse or tripped breaker b Not within specifications 2 Main Transformer 230V 115V a Coil winding open or shorted 3 Phase Only 3 Water Supply a Water supply off or improper water pressure 4 Interlock Switch Cleaning Valve 5 Thermostatic Bin Control See Bin Control Check 7 Control Switch a Bad contacts d Bulb out of position 8 High Pressure Switch amp Fuse Contro Box C Clogged condenser k Water regulating valve out of adjustmen
80. rmostatic bin control 58 C Bin Control Check To check TBC follow the steps below CAUTION When the ambient temperature is below 45 F 7 C TBC switch opens and shuts down the icemaker even if the ice storage bin is empty When TBC is set in the prohibited range the icemaker operates continuously even if the ice storage bin is filled with ice Setting in the prohibited range may result in severe damage to the icemaker TBC is factory set and generally no adjustment is required However adjustment may be needed in some conditions particularly at higher altitude locations Note that when TBC switch is open CB red POWER OK LED is off 1 Turn off the power supply 2 Remove the front panel then move the control switch to the OFF position 3 Clear any ice away from TBC bulb 4 Remove the control box cover then disconnect TBC wires from TBC switch 5 Hold your hand around TBC bulb to warm it up 6 Check for continuity across TBC switch If closed continue to step 6 If open adjust or replace TBC 7 With the multimeter test leads still in place hold ice on TBC bulb to lower the temperature Within 10 seconds TBC switch should open no continuity If it remains closed adjust or replace TBC Legend CB control board TBC thermostatic bin control 59 D Float Switch Check and Cleaning F S is used to determine that there is sufficient water in the water tank after the 1 minute fill cycle and after each harve
81. rvest timer starts when the thermistor reads 48 F 9 C at the evaporator outlet and the control board reads the thermistor s 3 9 kO signal The harvest timer is factory set and generally no adjustment is required However a setting longer than the factory setting may be advised in cases where the flush provided at harvest needs to be prolonged for extra cleaning Before changing this setting contact Hoshizaki Technical Support at 1 800 233 1940 for recommendations Keep in mind that setting the harvest timer to a longer setting decreases 24 hour production Note that the pump out timer S4 dip switch 3 amp 4 acts in place of the harvest timer during cycles with a pump out For details see II C 3 c Pump Out Timer 54 dip switch 3 amp 4 c Pump Out Timer S4 dip switch 3 amp 4 CAUTION Do not adjust S4 dip switch 3 off and S4 dip switch 4 on for 16015 3 Otherwise pump motor does not rotate in the pump out direction When a pump out is called for the pump motor stops after the preceding freeze cycle The pump motor restarts 2 seconds later in the reverse direction taking water from the bottom of the water tank and forcing pressure against the pump out check valve seat allowing water to go through the pump out check valve and down the drain At the same time water flows through the small tube to power flush the float switch The pump motor drains the water tank for the time determined by the pump out timer The pum
82. st S4 dip switch 3 amp 4 to 3 off and 4 on Adjustment to this position on this model prevents the pump motor from rotating in the pump out direction Comp and FM FMR remain energized HGV energizes WV energizes if S4 dip switch 3 off and 4 on LLV de energizes PM de energizes for 2 seconds then reverses for 10 20 seconds depending on pump out timer S4 dip switch 3 amp 4 setting When the pump out timer terminates the pump out is complete The pump out frequency control is factory set for every 10th cycle except for KM 1601SRH 3 utilizing 300111 02 water valve and generally no adjustment is required However where water quality is bad and the icemaker needs a pump out more often the pump out frequency can be adjusted The pump out frequency control S4 dip switch 5 amp 6 can be set to have a pump out occur every cycle or every 2 5 or 10 cycles Timing of the first pump out is dependent on the control board For KM 1601SAH 3 CB first pump out is dependent on 54 dip switch 5 amp 6 See the table below For KM 1601SWH 3 and KM 1601SRH 3 E CB first pump out occurs after the first freeze cycle KM 1601 SAH 3 8 KM 1601SWH 3 amp KM 1610SRH 3 E Control Board Settings Pump Out KM 1601SAH 3 KM 1601SRH 3 Frequency G Control Board E Control Board After 1st freeze cycle 56 S4 Dip Switch Setting KM 1601SWH 3 Diagnosis KM 1601SAH 3 CB If PM does not reverse check to see if 54 and S5 dip switch settings
83. st cycle F S is also used to determine that the appropriate volume of water has been converted into ice before switching out of the freeze cycle No adjustment is required 1 Float Switch Check To check F S follow the steps below 1 Turn off the power supply 2 Remove the front panel then move the control switch to the OFF position 3 Remove the insulation panel then remove the drain plug located on the lower front part of the ice chute See Fig 1 Allow the water tank to drain 4 Replace the drain plug in its correct position Be careful not to cross thread it Float Switch Assembly Drain Plug 5 Remove the control box cover Fig 1 6 Disconnect the black F S connector from CB BLACK K5 connector 7 Check for continuity across F S leads With the water tank empty F S should be open If open continue to step 8 If closed follow the steps in IV D 2 Float Switch Cleaning After cleaning F S check it again Replace if necessary 8 Reconnect the black F S connector to CB BLACK K5 connector then replace the control box cover in its correct position 9 Move the control switch to the ICE position Replace the insulation panel and the front panel in their correct positions then turn on the power supply After 1 minute the 1 minute fill cycle should end and the initial harvest cycle should begin If the initial harvest cycle begins F S is good and the check is complete If the initial harvest c
84. t or defective water cooled models 1 Condenser water temperature too warm 9 Control Transformer 8 Coil winding open or shorted 115V 10 5V 10 Control Board Control Board Check b Defective a 11 Thermistor Leads shorted or open See IV E Thermistor Check 12 Hot Gas Valve a Open in freeze cycle b Closed in harvest cycle 63 13 Inlet Water Valve Float Switch See IV D Float Switch Check b Defective and Cleaning 15 Compressor a Compressor relay magnetic contactor contacts bad or coil winding open b Start capacitor or run capacitor defective c Internal overload protector open f Compressor defective 16 Pump Motor 19 Fan Motor 20 Liquid Line Valve if applicable b Open in harvest cycle 21 Thermostatic Expansion Valve 22 Headmaster C P R remote Open out of temperature pressure range condenser unit 23 Water Regulating Valve Insufficient water supply water cooled model b Out of adjustment or defective See Adjustment of Water C Clogged Regulating Valve 64 2 Freeze Up Defrost and clean the unit prior to diagnosing freeze up See Cleaning and Sanitizing Instructions 1 Evaporator Scaled up 3 Cube Guide 4 Inlet Water Valve 5 Spray Tubes and or Spray Guides 6 Refrigerant Charge 7 Ambient Temperature 8 Water Supply C Insufficient water line size
85. t pumping not feeding properly two cycles in a row LLV not opening low charge or inefficient Comp Timer is factory set using S4 dip switch 9 amp 10 To reset the above safeties press the ALARM RESET button with the power supply on Low Voltage Red LED turns off if voltage protection operates 92 5 or less The control voltage safeties automatically reset when High Voltage voltage is corrected 147Vac 5 or more Legend Comp compressor FM fan motor F S float switch HGV hot gas valve LLV liquid line valve PM pump motor TXV thermostatic expansion valve WV inlet water valve 30 b KM 1601SWH 3 and KM 1601SRH 3 E Control Board At startup a 5 second delay occurs while the control board conducts an internal timer check A beep occurs when power is turned off The red LED indicates proper control voltage and remains on unless a control voltage problem occurs The green LEDs 1 through 4 energize and sequence from initial startup as listed in the table below Note that the order of the LEDs from the outer edge of the control board is 1 4 3 2 For details see Sequence of Operation Sequence Step LED Enerduac ERES ON Components Min Max J 3 2 1 Fill Cycle HGV LLV setting PM HGV setting The built in safeties shut down the unit and have alarms as listed below No of Beeps High Evaporator Temp Check for harvest problem stuck HGV or relay hot tempera
86. tch to the OFF position and turn off the power supply before servicing Lockout Tagout to prevent the power from being turned back on inadvertently CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after the unit is serviced Make sure that none have fallen into the storage bin Make sure all food zones in the icemaker and storage bin are clean after the unit is serviced For cleaning procedures see Cleaning and Maintenance A Service for Refrigerant Lines A WARNING 1 Repairs requiring the refrigeration circuit to be opened must be performed by properly trained and EPA certified service personnel 2 Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use R 404A as a mixture with pressurized air for leak testing CAUTION Do not leave the system open for longer than 15 minutes when replacing or servicing parts The Polyol Ester POE oils used in R 404A units can absorb moisture quickly Therefore it is important to prevent moisture from entering the system when replacing or servicing parts Always install a new drier every time the sealed refrigeration system is opened Do not re
87. tion of the problem This manual should be read carefully before the icemaker is serviced maintenance operations are performed Only qualified service technicians should install service and maintain the icemaker Read the warnings contained in this booklet carefully as they give important information regarding safety Please retain this booklet for any further reference that may be necessary CONTENTS Important Safety B S 6 podus E A 6 B Condenser PNE 16 General InfoEImaliOlLsoasemane Rad em oka ak c enun La 18 Pi OM SUP 18 Sequence of Operation 21 1 Sequence Cycles and Shutdown 2 21 a KM 1601SAH 3 G Control 11 21 b KM 1601SWH 3 and KM 1601 SRH 3 E Control 23 2 Sequence Flow Chart Rent oen ter 25 KM 1601SAH 3 Control Board 25 b KM 1601SWH 3 and KM 1601 SRH 3 E Control 26 PE 27 1 Control Board Layout HT
88. to the use for which it has been expressly conceived Any other use should be considered improper and therefore dangerous The manufacturer cannot be held responsible for injury or damage resulting from improper incorrect and unreasonable use To reduce the risk of death electric shock serious injury or fire follow basic precautions including the following Only qualified service technicians should install service and maintain the icemaker Electrical connection must be hard wired and must meet national state and local electrical code requirements Failure to meet these code requirements could result in death electric shock serious injury fire or severe damage to equipment This unit requires an independent power supply See the nameplate for proper voltage and breaker fuse size Failure to use a proper breaker or fuse can result in a tripped breaker blown fuse or damage to existing wiring This could lead to heat generation or fire THE ICEMAKER MUST BE GROUNDED Failure to properly ground the icemaker could result in death or serious injury Move the control switch to the OFF position and turn off the power supply before servicing Lockout Tagout to prevent the power supply from being turned back on inadvertently Do not make any alterations to the unit Alterations could result in electric shock injury fire or damage to the unit Additional Warning for Remote Air Cooled Model THE REMOTE CONDENSER U
89. ture gt 127 F 53 C water entering unit stuck HM or shorted thermistor 2 Harvest Backup Timer Orange H TIMER LED on harvest 20 min for two cycles Check for open thermistor HGV not opening TXV or in a row LLV leaking by low charge inefficient Comp or WRV leaking by 3 Freeze Timer Yellow F TIMER LED on freeze gt freeze timer setting for Check for F S stuck closed up WV leaking by HGV two cycles in a row leaking by PM not pumping TXV not feeding properly Timer is factory set using S4 dip LLV not opening low charge HM not bypassing or switch 9 amp 10 inefficient Comp To reset the above safeties press the ALARM RESET button with the power supply Low Voltage Red LED turns off if voltage protection operates 92 5 or less The control voltage safeties automatically reset when High Voltage voltage is corrected 147Vac 5 or more Legend Comp compressor FMR fan motor remote F S float switch HGV hot gas valve HM headmaster C P R LLV liquid line valve PM pump motor TXV thermostatic expansion valve WRV water regulating valve WV inlet water valve 31 3 Controls and Adjustments CAUTION Dip switches are factory set Failure to maintain factory settings may adversely affect performance and warranty coverage For more information contact Hoshizaki Technical Support at 1 800 233 1940 a Default Dip Switch Settings Note that the settings vary for
90. ult with your local distributor about cleaning and maintenance service To obtain the name and phone number of your local distributor visit www hoshizaki com or call Hoshizaki Technical Support at 1 800 233 1940 in the USA A WARNING 1 Only qualified service technicians should service this icemaker 2 CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after any cleaning or maintenance is done to the unit Make sure that none have fallen into the storage bin 3 The storage bin is for ice use only Do not store anything else in the storage bin A Cleaning and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at least once a year More frequent cleaning and sanitizing however may be required in some existing water conditions A WARNING 1 To prevent injury to individuals and damage to the icemaker do not use ammonia type cleaners 2 Carefully follow any instructions provided with the bottles of cleaning and sanitizing solution 3 Always wear liquid proof gloves and goggles to prevent the cleaning and sanitizing solutions from coming into contact with skin or eyes 4 To prevent damage to the water pump seal do not operate the icemaker with the control switch in the WASH position when the water tank is empty IMPORTANT 1 The cleaning valve is opened during cleaning and sanitizing to allow solution flow to the inside of the evaporator It should be
91. ut timer terminates pump out is complete The first pump out occurs after the 11th freeze cycle then every 10th cycle thereafter The pump out frequency control is factory set and generally no adjustment is required However where water quality is bad and the icemaker needs a pump out more often the pump out frequency can be adjusted The pump out frequency control S4 dip switch 5 amp 6 can be set to have a pump out occur every cycle or every 2 5 or 10 cycles Timing of the first pump out is dependent on S4 dip switch 5 8 6 settings See the table below S4 Dip Switch Setting Pump Out Nos Frequency OFF Every cycle After 2nd freeze cycle OFF Every 2 cycles After 3rd freeze cycle OFF Every 5 cycles After 6th freeze cycle Every 10 cycles After 11th freeze cycle 5 Harvest Cycle Same as the initial harvest cycle See II B 1 a 2 Initial Harvest Cycle Note Unit continues to cycle until TBC is satisfied or power is turned off The unit always restarts at the 1 minute fill cycle 6 Shutdown When ice contacts TBC bulb TBC open TBC shuts down the unit within 10 seconds TBC is factory set and generally no adjustment is required However adjustment may be needed in some conditions particularly at higher altitude locations Legend CB control board Comp compressor FM fan motor F S float switch 1 gas valve LLV liquid line valve PM pump motor TBC thermostatic bin control WV i
92. utes of freeze After the 5 minute short cycle protection timer terminates CB turns freeze termination over to F S Diagnosis Check that Comp FM FMR PM and LLV are energized Confirm that the evaporator temperature drops If not confirm that LLV has energized and is open Make sure WV and are de energized and closed Next confirm proper unit pressures and TXV operation check for an inefficient Comp or an inoperative HM After 5 minutes in freeze disconnect black F S connector from CB BLACK K5 connector After a 15 second delay the unit should switch out of freeze If the unit switches out of freeze with F S connector removed but would previously not switch out of freeze with F S connected long freeze 3 beep alarm F S may be sticking To check and clean F S see IV D Float Switch Check and Cleaning If the unit remains in freeze longer than 15 seconds after disconnecting black F S connector replace CB For short freeze cycle check that reservoir is full at beginning of freeze pump out check valve is not leaking by and drain plug is in and not leaking Note Normal freeze cycle will last 20 to 40 minutes depending on model and conditions Cycle times and pressures should follow performance data provided in this manual See Performance Data 6 Pump Out Cycle 10 20 second pump out LEDs 1 3 and 2 are on LED 4 is on when S4 dip switch 3 amp 4 are set to 3 off and 4 on CAUTION for KM 1601SAH 8 Do not adju
93. ve the retainer rod from the bottom of the float switch housing then remove the float Be careful not to bend the retainer rod excessively when removing it c Wipe down the float switch assembly s housing shaft float and retainer rod with cleaning solution Clean the inside of the rubber boot and hose with cleaning solution Rinse the parts thoroughly with clean water d Reassemble the float switch assembly and replace it and the rubber boot in their correct positions Reconnect the vent tube and the flush tube 8 9 Pour the cleaning solution into the water tank Fully open the cleaning valve on the left side wall of the machine compartment Move the control switch on the control box to the WASH position Replace the insulation panel and the front panel in their correct positions lt 12 13 14 15 Turn on power supply to start the washing process Turn off the power supply after 30 minutes Remove the front panel and the insulation panel Remove the drain plug Allow the water tank to drain Replace the drain plug and the insulation panel in their correct positions 16 Move the control switch to the ICE position 17 Close the cleaning valve Note The icemaker will not operate unless the cleaning valve is completely closed 18 Replace the front panel in its correct position 19 Turn on the power supply to fill the water tank with water 20 Turn off the power supply after 3 minutes
94. ycle does not begin continue to step 10 10 Turn off the power supply 11 Remove the front panel then move the control switch to the OFF position 12 Remove the control box cover 13 Disconnect the black F S connector from CB BLACK K5 connector 14 Check for continuity across F S leads With the water tank full F S should be closed If F S is closed and the icemaker will not switch from the 1 minute fill cycle to the initial harvest cycle replace CB If open confirm that the water tank is full If the water tank is not full check the water supply water filters and WV If the water tank is full follow the steps in IV D 2 Float Switch Cleaning After cleaning F S check it again Replace if necessary 60 2 Float Switch Cleaning Depending on local water conditions scale may build up on F S Scale on the switch can cause the float to stick In this case F S should be cleaned 1 Turn off the power supply 2 Remove the front panel then move the control switch to the OFF position 3 Remove the insulation panel then remove the drain plug located on the lower front part of the ice chute See Fig 1 Allow the water tank to drain 4 Replace the drain plug in its correct position Be careful not to cross thread it 5 Disconnect the vent tube and the flush tube from the top of F S then remove F S assembly from the mounting bracket and remove the rubber boot from the bottom of F S assembly See Fig 2 6 Remove

Hoshizaki KM-1601SRH/3 User's Manual

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