Hoshizaki 73180 manual

Hoshizaki “A Superior Deg re e of Reliability” www .hoshizaki.com Models C-100BAF C-100BAF-DS C-100BAF-AD C-100BAF-ADDS Self-Contained Cubelet Hoshizaki America, Inc. Number: 73180 Issued: 10-6-2010 Revised: 1-9-2012 SE RV ICE MA NU AL[...]

2 W ARNING Only quali ed ser vice technicians should inst all and ser vice the icemak er . T o obtain the name and phone number of y our local Hoshizaki Cer ti ed Ser vice Repr esentativ e, visit www .hoshizaki.com. No ser vice should be under tak en until the technician has thor oughly r ead this Ser vice Manual. F ailure t o ser vice and ma[...]

3 CONTENTS Impor tant Saf et y Inf or mation ................................................................................................. 5 I. Specications ...................................................................................................................... 7 A. C-1 00BAF ....................................................[...]

4 D . Float S witch Check and Cleaning (auxiliary codes A -2 and later) ............................... 28 1 . Float Switch Chec k ................................................................................................. 28 2. Float Switch Cleaning .............................................................................................[...]

5 Impor tant Safety Inf ormation Throughout this man ual, notices appear to bring y our at tention t o situations which could result in death, serious injur y , damage to the appliance , or damage to pr oper ty . W ARNING Indicates a hazar dous situation which could r esult in death or serious injury . NO TICE Indicates a sit uation which could res[...]

6 W ARNING, continued • This appliance is not intended f or use by per sons (including children) with r educed ph ysical, sensory , or ment al capabilities, or lac k of e xperience and knowledge, unless they ha ve been giv en super vision or instr uction concerning use of the appliance by a person r esponsible f or their safety . • Y oung child[...]

7 I. Specications A. C-1 0 0B AF 1 . A uxiliary Codes A-1 and Ear lier Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A mbient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70[...]

8 A. C-1 0 0B AF , continued 2. Auxiliary Codes A-2 and Later Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAG E 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACIT Y 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A m bient W ATER T EMP. (°F) PER 24 HR. Tem p.(°F) 50 70 90 lb[...]

9 B. C-1 0 0B AF-DS 1 . A uxiliary Codes A-1 and Ear lier Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A mbient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( k[...]

10 B. C-1 0 0B AF-DS, continued 2. Auxiliary Codes A-2 and Later Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAG E 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACIT Y 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A m bient W ATER T EMP. (°F) PER 24 HR. Tem p.(°F) 50 70 90[...]

11 C. C-1 0 0B AF-AD 1 . A uxiliary Codes A-1 and Ear lier Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A mbient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( [...]

12 C. C-1 0 0B AF-AD , continued 2. Auxiliary Codes A-2 and Later Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAG E 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACIT Y 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A m bient W ATER T EMP. (°F) PER 24 HR. Tem p.(°F) 50 70 9[...]

13 D . C-1 0 0B AF-ADDS 1 . A uxiliary Codes A-1 and Ear lier Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACITY 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A mbient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day[...]

14 D . C-1 0 0B AF-ADDS, continued 2. Auxiliary Codes A-2 and Later Note: We r eser ve the right to mak e changes in specications and design without pr ior notice. AC SUPPLY VOLTAG E 115/60/1 AMPERAGE 4.0 A MINIMUM CIRCUIT AMPACIT Y 15 A MAXIMUM FUSE SIZE 15 A A PPROXIMATE ICE PRODUCTION A m bient W ATER T EMP. (°F) PER 24 HR. Tem p.(°F) 50 70[...]

15 II. General Inf ormation A. Construction 1 . Icemaker R ear Float-Operat ed W ater V alve Air -Cooled Condenser and Condenser F an Motor F ront Contr ol Bo x W ater Reservoir Ev aporator Assembl y Upper Rear P anel Suction T emperature Saf et y Bin Contr ol Ther mostat F ig. 1 F ront P anel Louv er T op Panel P ower S witch Gear Motor P rotect o[...]

16 2. Icemaking Unit Sock et Head Cap Scre w Gear Motor Spline Coupling Housing and Lower Bearing O-Ring Mechanical Seal C ylinder A uger Extruding Head and Upper Bearing Cut ter (motionless) Insulation Sock et Head C ap Scre w with W asher He x Head Bolt with W asher F ig. 2 Ev aporator Flange[...]

17 B. Sequence of Operation 1 . A uxiliary Codes A-1 and Ear lier Af ter the po wer s witch is placed in the "ON" position, the steps in the sequence are as outlined below . a) F reeze Cy cle BCH, GM, FM, CR, and Comp ener gize. NOTICE! Some units contain a stic ker that states: "The bin control heater has been disconnect ed. DO NO T[...]

18 3. Shutdown 2. F reeze Cycle Bin F ull P ower S witch "ON" BC open BCH continues Comp de-energized FM de-energized GM de-energized WV de-energized BC closed BC closed LF/S closed UF/S closed BCH continues Comp energized FM energized GM energized WV de-energized BC closed UF/S open LF/S open FT starts (90 sec.) BCH continues Comp contin[...]

19 III. T echnical Infor mation A. W ater Cir cuit and Refr ig er ation Circuit 1 . A uxiliary Codes A-1 and Ear lier Drier Condenser F an Motor Condenser Compr essor Float-Operat ed Inlet W ater V alv e W ater Reservoir W ater Le vel Suction T emperature Saf et y Gear Motor Ev aporator Assembl y W ater Inlet W ater Supply F ig. 3a C apillar y T ub[...]

20 Drier Condenser F an Motor Condenser Compr essor Float S witch W ater Reservoir W ater Le vel Gear Motor Ev aporator Assembl y W ater Inlet W ater Supply C apillar y T ube Over ow Hoses Suction Discharge Inlet W ater V alv e 2. Auxiliary Codes A-2 and Later F ig. 3b[...]

21 B. W iring Diagram 1 . Icemaker a) Auxiliary Codes A-1 and Earlier (3W) (ext ernal protect or 2.4~3.0A) b) Auxiliary Codes A-2 and L ater C-1 00BAF Series (3W) (internal protect or) (ext ernal protect or) (90-second ll timer (low wat er safety)) WIRE COLOR CODE WIRE COLOR CODE (ext ernal protect or) (internal protect or) (ext ernal protect or[...]

22 (90-second ll timer (low wat er safety)) 2. Icemaker with Optional Dr ain Pump HS-0248 Optional Drain P ump HS-0248 Safety Shutdown: If the water le vel in the dr ain pump reservoir rises high enough to close the dr ain pump upper  oat s witch, the drain pump saf ety interrupts power t o the icemaker . When the w ater le vel lo wers enough[...]

23 70/21 92 42 89 40 84 38 80/27 81 37 71 32 66 30 90/32 66 30 62 28 57 26 lbs./day kg./day 100/38 55 25 54 24 49 22 70/21 80/27 90/32 watts 100/38 70/21 11 0.04 11 0.04 10 0.04 80/27 10 0.04 9 0.03 8 0.03 90/32 8 0.03 8 0.03 7 0.08 gal./day m 3 /day 100/38 7 0.03 6 0.02 6 0.02 70/21 23 -5 23 -5 23 -5 80/27 23 -5 28 -2 28 -2 90/32 28 -2 28 -2 34 1 [...]

24 IV . Ser vice Diagnosis W ARNING • This unit should be diagnosed and repair ed only b y quali ed ser vice personnel t o reduce the risk of death, electric shock, serious injur y , or re. • Risk of electric shock. Use extr eme caution and ex ercise saf e electr ical practices . • Moving par ts (e .g., f an blade) can crush and cut. Ke[...]

25 6) F reeze Cyc le – BCH, GM, FM, CR, and Comp ener gize. NOTICE! Some units contain a stick er that states: "The bin control heat er has been disconnected. DO NO T reconnect the bin contr ol heater ." In this case , leav e BCH disconnected or replace BC assemb ly with 3A2561A03. Ice production star ts 4 t o 6minut es af ter Comp e[...]

26 2. Auxiliary Codes A-2 and Later This diagnostic procedur e is a sequence check that allo ws you t o diagnose the electr ical sy stem and components . Bef ore pr oceeding, chec k f or correct inst allation, adequate wat er pressur e (7 to 1 1 3PSIG), and proper v oltage per unit nameplat e. When checking v oltage (1 1 5V A C), alw ay s choose[...]

27 Diagnosis – Chec k that UF/S and LF/S open, WCR de-energiz es, and WV energiz es. If UF/S and/or LF/S do not open, see "IV .D . Float Switch Chec k and Cleaning." If WV does not energiz e, check WCR ter minal #2 (GY wir e) to a neutr al (Wwire) f or 1 1 5V AC . If 1 1 5V A C is not present, r eplace WCR. If 1 1 5V A C is present, [...]

28 D . Float S witch Chec k and Cleaning (auxiliar y codes A-2 and lat er) 1 . Float S witch Chec k 1) Mov e the power s witch to the "OFF" position, then unplug the unit fr om the electrical outlet. 2) Remo ve the upper r ear panel. See Fig . 4. 3) Remo ve the clamp securing the drain plug , then lower the dr ain hose into a cont ainer .[...]

29 UF/S (R wire) Common (BK wir e) LF/S (DBU wir e) Upper Float (blue) Magnet (to war ds top) Magnet (to war ds top) Low er Float (white) Plastic Ret ainer Clip Spring Retainer Clip F ig. 5 2. Float Switc h Cleaning Depending on local wat er conditions, scale ma y build up on F/S . Scale on F/S can cause inconsistent oper ation of UF/S and LF/S. In[...]

30 E. Optional Drain P ump HS-0248 1 . O verview As ice melts, w ater dr ains from the st orage bin into DP . When DP's LF/S closes , DP energiz es and pumps out the water . If wat er cannot be pumped out of DP due to a bloc ked dischar ge hose, bad chec k val ve , or bad DP motor , the wat er lev el r ises and UF/S closes. When UF/S closes , [...]

31 5) If wat er pumps out properly and DP then de-ener gizes , proceed t o step 6. If wat er does not pump out properl y and/or DP does not de-energiz e, f ollow the st eps below t o pr ime D P. Pr iming Instructions a. Disconnect the icemaker's pow er cord fr om the electr ical outlet, then r econnect to the electrical outlet. W ARNING! T o r[...]

32 3. Float Switc h Cleaning Depending on local wat er conditions, scale ma y build up on F/S . Scale on F/S can cause  oat to stic k. In this case, F/S should be cleaned and chec ked. 1) Mov e the power s witch to the "OFF" position, then unplug the icemak er from the electrical outlet. W ARNING! Moving the po wer switc h to the "[...]

33 F . Diagnostic Charts The diagnostic char ts below list possib le reasons f or prob lems with ice production and shutdown. Bef ore consulting the diagnostic charts, check f or correct inst allation, proper v oltage per unit nameplat e, and adequat e wat er supply . 1 . A uxiliary Codes A-1 and Ear lier No Ice Pr oduction - Possib le Cause Startu[...]

34 7. Ev aporator a) Dir ty . b) Damaged or def ective . 8. Condenser a) Dir ty . 9. Refrigerant a) Low char ge or ov ercharged. b) Refrigerant lines or components r estricted. 10 . Wat er Sy stem a) W ater leaks. Shutdown 1. Bin Control Thermostat Assemb ly (with integ rated heat er) NO TICE! Some units contain a stick er that states: "The bi[...]

35 2. Auxiliary Codes A-2 and Later No Ice Pr oduction - Possib le Cause Startup 1. P ower Suppl y a) Unplugged, of f, b lown fuse, or tripped br eaker . b) Not within specications. 2. P ower S witch a) "OFF" position. b) Bad contacts. 3. Bin Control Thermostat Assemb ly (with integ rated heat er) a) Open with bin lled with ice. b) [...]

36 9. Refrigerant a) Low char ge or ov ercharged. b) Refrigerant lines or components r estricted. 10 . Wat er Sy stem a) W ater leaks. Shutdown 1. Bin Control Thermostat Assemb ly (with integ rated heat er) a) Out of position. b) Out of adjustment. See "IV .C. Bin Control Chec k."[...]

37 V . Remo v al and Replacement of Components W ARNING • This unit should be diagnosed and repair ed only b y quali ed ser vice personnel t o reduce the risk of death, electric shock, serious injur y , or re. • Mov e the power s witch to the "OFF" position, then unplug the unit fr om the electrical outlet befor e ser vicing. ?[...]

38 2. Brazing W ARNING • R-1 34a itself is not ammab le at atmospher ic pr essure and t emperatures up t o 21 2°F (1 00°C). • R-1 34a itself is not explosiv e or poisonous. Howe ver , when e xposed to high temper atures (open  ames), R-1 34a can be decomposed to f or m hy drouoric acid and carbonyl uoride both of which are hazar d[...]

39 5) Disconnect the gauge manif old hose from the v acuum pump and at tach it t o a refrigerant service cylinder . Remember t o loosen the connection and purge the air fr om the hose. See the nameplate f or the requir ed refrigerant charge . Hoshizaki recommends only vir gin refrigerant or r eclaimed refrigerant which meets the r equirements of AR[...]

40 A uger Cut ter (motionless) Extruding Head and Upper Bearing Ev aporator He x Head Bolt with W asher Thumbscre w Housing and Low er Bear ing Gear Motor Spline Coupling Mechanical Seal Spring Retainer Sock et Head C ap Scre w O-Ring F ig. 9 Drain Hose Connection Ev aporator Flange P acking Reservoir Hose Connection Spout Sock et Head C ap Scre w [...]

41 7) Grasp the t op of the auger and mov e the auger to wards y ou and then tr y to inser t a .02" round st ock or pin g auge in bet ween the back side of the auger shaf t and the bearing surface . See Fig . 1 1 . Check se ver al locations around the auger shaf t. If the gauge goes between the shaf t and the bearing at any point or if the bea[...]

42 2. Remo val and R eplacement of Extruding Head 1) Mov e the power s witch to the "OFF" position, then unplug the unit fr om the electrical outlet. 2) Close the wat er supply line shut-of f val ve . 3) Remo ve all ice fr om the stor age bin. 4) W hile maintaining a hold on the door , remo ve the hinge st op pin from hinge (B). P ull out[...]

43 3. Remo val and R eplacement of Auger 1) Mov e the power s witch to the "OFF" position, then unplug the unit fr om the electrical outlet. 2) Close the wat er supply line shut-of f val ve . 3) Remo ve all ice fr om the stor age bin. 4) W hile maintaining a hold on the door , remo ve the hinge st op pin from hinge (B). P ull out the bot [...]

44 4. Remo val and R eplacement of Evapor ator NO TICE • Alw ay s install a ne w drier ev er y time the sealed refrigeration s yst em is opened. Do not replace the drier until af ter all other r epair or replacement has been made. • When brazing , prot ect the drier by using a wet cloth t o pre v ent the dr ier fr om ov erheating. Do not allow [...]

45 1 9) Replace the tap-line v alv e with a proper , per manent access v alv e. 20) Remo ve the drier , then place the new drier in position. 21) Braz e all  t tings while purging with nitr ogen gas  owing at a pr essure of 3 t o 4 PSIG. 22) Use an electronic leak det ector or soap b ubb les to chec k for leaks . Add a trace of refrigerant t [...]

46 1 1) R emov e the sock et head cap scre ws secur ing the e xtr uding head and e vapor ator  ange. Remo ve the e vaporat or ange , then grasp the cut ter and car efully lif t out the cut ter and e xtruding head. Grasp the t op of the auger and carefull y lift out the auger . W hen pulling out the auger , the upper par t of the mechanical se[...]

47 6. Remo val and R eplacement of Gear Motor IMPOR T ANT! Hoshizaki recommends that the gear mot or capacitor be r eplaced at the same time as the gear motor . 1) Mov e the power s witch to the "OFF" position, then unplug the unit fr om the electrical outlet. 2) Close the wat er supply line shut-of f val ve . 3) Remo ve all ice fr om the[...]

48 VI. Maintenance This icemaker m ust be maintained in accor dance with the instruction manual and labels pro vided with the icemaker . Consult with your local Hoshizaki C er ti ed Ser vice Repr esentativ e about maintenance service. W ARNING • Only quali ed ser vice technicians should service this icemaker . • F ailure t o install, oper[...]

49 A. Maintenance Sc hedule The maintenance schedule belo w is a guideline. More fr equent maintenance ma y be requir ed depending on wat er qualit y , the icemaker's en vironment, and local sanit ation regulations . Maintenance Sc hedule F requency Ar ea T ask W eekly Scoop Clean the scoop using a neutral cleaner . Rinse thoroughl y af ter cl[...]

50 B. Cleaning and Sanitizing Instructions 1 . A uxiliary Codes A-1 and Ear lier Hoshizaki recommends cleaning and sanitizing this unit at least twice a year . More frequent cleaning and sanitizing , howe ver , may be r equired in some w ater conditions . W ARNING • T o pr e vent injury to individuals and damage t o the icemaker , do not use ammo[...]

51 4) Remo ve the 2 scr ews securing the t op panel, then lif t it off . 5) Remo ve all ice fr om the stor age bin. 6) Remo ve the slope fr om the stor age bin by car efully bending it in the cent er and releasing it fr om the 2 slope shaf ts. 7) Remo ve the scoop . Remo ve the 2 thumbscr ews securing the scoop holder , then remo ve it. 8) Remo ve [...]

52 c) Sanitizing Solution Dilute 1 .25  . oz. (37 ml or 2.5 tbs) of a 5.25% sodium hypochlorit e solution (chlorine bleach) with 2.5 g al. (9.5 l) of warm water . This is a minimum amount. Make mor e solution if necessar y . Using a chlorine test strip or other method, conr m that you ha ve a concentration of about 200 ppm. IMPOR T ANT! F or [...]

53 1 2) Open the wat er supply line shut-of f v alv e. Check f or leaks. 1 3) Plug the unit back in. Mov e the power s witch to the "ON" position and allow the icemaker t o r un. 1 4) Af ter 30 min utes , mov e the power s witch to the "OFF" position. Unplug the unit. 1 5) P our war m w ater int o the storage bin t o melt all of[...]

54 2. Auxiliary Codes A-2 and Later This icemaker m ust be cleaned and sanitized at least t wice a y ear . More frequent cleaning and sanitizing ma y be requir ed in some wat er conditions. W ARNING • T o pr e vent injury to individuals and damage t o the icemaker , do not use ammonia type cleaners. • C arefull y follo w any instructions pro vi[...]

55 5) Remo ve all ice fr om the stor age bin. 6) Remo ve the slope fr om the stor age bin by car efully bending it in the cent er and releasing it fr om the 2 slope shaf ts. 7) Remo ve the scoop . Remo ve the 2 thumbscr ews securing the scoop holder , then remo ve it. 8) Remo ve the scr ews securing the upper r ear panel, then remo v e it. 9) Remo [...]

56 c) Sanitizing Solution Dilute 1 .25  . oz. (37 ml or 2.5 tbs) of a 5.25% sodium hypochlorit e solution (chlorine bleach) with 2.5 g al. (9.5 l) of warm water . This is a minimum amount. Make mor e solution if necessar y . Using a chlorine test strip or other method, conr m that you ha ve a concentration of about 200 ppm. IMPOR T ANT! F or [...]

57 1 2) Open the wat er supply line shut-of f v alv e. 1 3) Plug the unit back in. Mov e the power s witch to the "ON" position and allow the icemaker t o r un. Check f or leaks. 1 4) Af ter 30 min utes , mov e the power s witch to the "OFF" position. Unplug the unit. 1 5) P our war m w ater int o the storage bin t o melt all of[...]

58 D . Condenser Check the condenser once a y ear , and clean if requir ed by f ollowing the st eps below . More fr equent cleaning may be r equired depending on location. W ARNING • Mov e the power s witch to the "OFF" position, then unplug the unit fr om the electrical outlet befor e cleaning the condenser . • T o r educe the r isk [...]

59 VII. Pr eparing the Icemak er f or P eriods of Non-Use During e xtended periods of non-use, e xtended absences , or in sub-freezing temper atures , follo w the instructions below . When the icemak er is not used for t wo or three da ys under normal conditions, it is suf ficient t o mov e the power s witch to the "OFF" position. W ARNIN[...]

60 VIII. Disposal This unit contains r efrigerant and must be disposed of in accor dance with applicable national, stat e, and local codes and r egulations. Refrigerant must be r ecov ered b y properl y cer tied service personnel.[...]