Hoshizaki C-100BAF-AD manual

Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models C-100BAF-AD C-100BAF-ADDS Self-Contained Cubelet Hoshizaki America, Inc. Number: 73180 Issued: 10-6-2010 S E RV I C E M A N U A L[...]

2 IMPOR T ANT Only quali ed ser vice technicians should inst all, ser vice , and maintain the icemaker . No ser vice or maint enance should be under tak en until the t echnician has thoroughl y read this Ser vice Manual. F ailure t o ser vice and maintain the equipment in accordance with this man ual ma y adver sely af fect saf et y , perf orman[...]

3 Impor tant Safety Inf ormation Throughout this man ual, notices appear t o bring your at tention t o situations which could result in death, serious injur y , or damage to the unit. W ARNING Indicates a hazar dous situation which could r esult in death or serious injury . C A UTION Indicates a sit uation which could result in dama ge to the unit.[...]

4 CONTENTS Impor tant Saf et y Inf or mation ................................................................................................. 3 I. Specications ...................................................................................................................... 6 II. General Inf or mation .......................................[...]

5 C . Remo v al and R eplacement of Ev aporator Assembl y Components ............................. 30 1 . Upper Bearing W ear Check .................................................................................. 31 2. Remov al and Replacement of Extruding Head ...................................................... 32 3. Remov al and Replacement [...]

6 I. Specications A. C-1 0 0B AF -AD , C-1 0 0B AF-ADDS Note: We r eser v e the r ight t o make changes in specications and design without prior 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 ([...]

7 II. General Inf ormation A. Construction 1 . Icemak er Compr essor R ear Float-Operat ed Wat er V alv e Air -Cooled Condenser and Condenser F an Motor F ront Contr ol Bo x W ater Reservoir Ev aporat or Assembl y Gear Motor Upper Rear P anel Suction T emperature Saf et y Drier Bin Contr ol Ther mostat F ig. 1 F ront P anel Louv er T op P anel P ow[...]

8 2. Ice Making Unit Allen Head C ap 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 Allen Head Cap Scr ew with Washer He x Head Bolt with W asher F ig. 2 Ev aporat or Flange[...]

9 B. Sequence of Operation This icemaker utiliz es a ther mostatic bin control t o switch the gear mot or , fan mot or , and compressor on and of f as needed. This icemaker utiliz es a  oat-operated w at er v al v e in the wat er reser v oir t o allo w wat er into the icemak er as needed. Af t er the pow er s witch is placed in the "ON"[...]

1 0 III. T echnical Inf or mation A. W at er Cir cuit and R efr igeration Cir cuit 1 . C-1 0 0B AF Series Drier Condenser F an Motor Condenser Compr essor Float-Operat ed W ater V alv e W ater Reservoir W ater Le v el Suction T emperature Saf et y Gear Motor Ev aporat or Assembl y W ater Inlet W ater Supply F ig. 3 C apillar y T ube Over ow Hose[...]

1 1 B. Wir ing Diagr am 1 . C-1 0 0B AF Series (3W) (ext ernal overload 2.4~3.0A) (internal) (ext ernal) (3W) (ext ernal overload 2.4~3.0A) (internal) (ext ernal) 2. C-1 0 0BAF Ser ies with Optional Dr ain P ump HS-0248[...]

1 2 3. Sequence Wir ing Diagr am a) F r eez e Cycle P ow er supplied. Gear motor , f an motor , compressor r elay , and compressor energiz e. The  oat-operat ed wat er v al v e allo ws wat er into the r eser v oir as needed t o continue the ice making process . C-1 00BAF Series (3W) (ext ernal overload 2.4~3.0A) (internal) (ext ernal)[...]

1 3 b) Bin Control Ther mostat Shutdown Ice lls st orage bin to le vel of bin contr ol ther mostat. Bin control ther mostat opens . Gear motor , f an mot or , compressor r elay , and compressor de-energiz e. C-1 00BAF Series (3W) (ext ernal overload 2.4~3.0A) (internal) (ext ernal)[...]

1 4 c) Low W ater/F reez e-Up Saf ety Shutdown If the wat er supply is int errupted or a fr eeze-up condition occur s, the decr ease in suction line temper atur e causes the suction t emperatur e safety to open and shut do wn the icemaker . See the tab le belo w f or suction temperatur e saf et y cut-out/cut-in temper atur es . Suction T emperat ur[...]

1 5 d) Gear Motor P rot ect or (e xt er nal ov er load) Shutdown If gear motor amper age e x ceeds 2.4~3.0 amps, the gear mot or prot ect or (e xternal ov er load) operat es independently t o tur n of f the gear motor . The gear motor e xternal ov er load can be manuall y reset b y pr essing the s witch on the contr ol bo x. (3W) (ext ernal overloa[...]

1 6 e) Optional Drain P ump HS-0248 Safety Shutdown If the wat er lev el in the drain 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 . W hen the wat er lev el lower s enough t o open the drain pump upper  oat s witch, pow er is r est or ed t o the icemaker[...]

1 7 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 80/27 90/32 100/38 70/21 115 8.1 130 9.1 141 9.9 80/27 126 8.9 1[...]

1 8 IV . Service Diagnosis W ARNING 1 . This unit should be diagnosed and repair ed only b y quali ed ser vice personnel t o reduce the risk of death, electr ic shoc k, serious injur y , or re . 2. Risk of electr ic shock. Use e xtreme caution and e x ercise saf e electr ical practices . 3. Moving par ts (e.g ., f an blade) can crush and cut.[...]

1 9 5) Shutdown (bin full) – Ice  lls st orage bin t o lev el of BC. BC opens. GM, FM, CR, and Comp de-ener gize. Diagnosis: When the icemak er is r unning, hold ice in cont act with BC bulb . If the components fail t o de-energiz e, chec k BC. 6) Mov e the power s witch to the "OFF" position and unplug the unit fr om the electrical [...]

20 C. Diagnostic Charts 1 . No Ice P r oduction Pr oblem P ossible Cause Remed y [1] The icemak er will not star t. a) P ower Suppl y 1 . Off , blown fuse , or tripped breaker . 1 . T urn on, replace, or r eset. 2. P ower cor d unplugged. 2. Plug into outlet. 3. Loose connection. 3. Tight en. 4. Bad contacts. 4. Check f or continuity and replace . [...]

21 Pr oblem P ossible Cause Remed y [1] The icemak er will not star t (continued). f) Gear Motor Int er nal Ov erload (Ther mal P rot ect or) 1 . Open. 1 . Allow to cool and r eset. Check gear mot or bearings, auger bearings (see "V .C .1 . Upper Bear ing W ear Check"), and supply v oltage. Check f or e v aporat or fr eeze-up . g) Optiona[...]

22 Pr oblem P ossible Cause Remed y [4] Gear mot or and compressor st ar t, but no ice is produced (continued). b) Refrigerant Line 1 . Gas leaks. 1 . Check f or leaks with a leak detect or . Reco v er , repair , replace drier , ev acuate, and rechar ge. See "V .A. Ser vice f or Refrigerant Lines." 2. Refrigerant lines or components restr[...]

23 3. Other Pr oblem P ossible Cause Remed y [1] Abnormal noise. a) F an Motor 1 . Bear ing worn out. 1 . Replace f an motor . 2. F an blade def ormed. 2. Replace f an blade. 3. F an blade does not mov e freely . 3. Replace f an blade and/or f an motor . b) Compressor 1 . Mounting pad out of position. 1 . Reinstall. 2. Bearings wor n out or cylinde[...]

24 D . Optional Dr ain Pump HS-0248 1 . O verview As ice melts, w at er drains fr om the storage bin int o the drain pump reservoir . W hen the drain pump's lo wer  oat s witch closes, the pump mot or energizes and pumps out the wat er . If wat er cannot be pumped out of the drain pump r eser voir due t o a b loc k ed discharge hose , bad c[...]

25 7) Make sur e all hose connections are secur e , then reinst all the lo wer r ear panel and upper rear panel in their corr ect positions. W ARNING! Make sur e that there are no wires pinc hed betw een the r ear co v ers and icemak er . 8) Resecur e the vent hose t o the icemaker . CA UTION! The vent hose m ust be at tached and secured t o the ic[...]

26 V . R emov al and R eplacement of Components W ARNING 1 . This unit should be diagnosed and repair ed only b y quali ed ser vice personnel t o reduce the risk of death, electr ic shoc k, serious injur y , or re . 2. Mov e the pow er s witch to the "OFF" position and unplug the unit fr om the electrical outlet befor e ser vicing. [...]

27 2. Brazing W ARNING 1 . R-1 34a itself is not ammab le at atmospher ic pr essur e and t emperatur es up to 21 2°F (1 00°C). 2. R-1 34a itself is not e xplosiv e or poisonous. Howe ver , when exposed t o high temper atur es (open  ames), R-1 34a can be decomposed t o f or m hy drouoric acid and carbonyl uoride both of which are haza[...]

28 6) A liquid charge is r ecommended when charging an R-1 34a sy stem. Place the ser vice cylinder on the scales; if the ser vice cylinder is not equipped with a dip tube, in v er t the ser vice cylinder , then place it on the scales. Open the high-side val v e on the g auge manif old. 7) Allow the s ystem t o charge with liquid until the pr oper [...]

29 1 5) Evacuat e the syst em, then charge it with r efrigerant. See the nameplate f or the requir ed refrigerant char ge. 1 6) Connect the t er minals and r eplace the t erminal cov er in its corr ect position. 1 7) Replace the contr ol bo x, louver , and panels in their correct positions. 1 8) Plug the unit back in. Mov e the po wer s witch to th[...]

30 A uger Cut ter (motionless) Extruding Head and Upper Bearing Ev aporat or He x Head Bolt with W asher Thumbscre w Housing and Low er Bearing Gear Motor Spline Coupling Mechanical Seal Spring Retainer Allen Head C ap Scre w O-Ring F ig. 6 Drain Hose Connection Ev aporat or Flange P acking Reservoir Hose Connection Spout Allen Head C ap Scre w wit[...]

31 7) Grasp the t op of the auger and mo v 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 . 8. Check se v eral locations around the auger shaf t. If the gauge goes between the shaf t and the bearing at any point or if the beari[...]

32 2. Remo v al 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 st orage bin. 4) W hile maintaining a hold on the door , remov e the hinge stop pin fr om hinge (B). P ull ou[...]

33 8) Remo ve the clamp securing the drain plug , then low er the drain hose int o a container . Remo ve the drain plug t o drain the wat er fr om the r eser v oir and ev aporator assemb ly . 9) Af ter all of the wat er has drained, replace the dr ain hose , drain plug , and drain clamp in their original positions. 1 0) R emov e the packing . 1 1) [...]

34 9) Disconnect the drain hose and r eser v oir hose from the e vaporat or . 1 0) R emov e the packing . 1 1) Remov e the allen head cap scre ws securing the e xtruding head and ev aporator  ange. Remo ve the e vaporat or ange , then grasp the cut ter and car efull y lif t out the cut ter and e xtruding head. Grasp the t op of the auger and [...]

35 5. Remo v al and R eplacement of Mechanical Seal and Lo w er Housing 5a. Mechanical Seal 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 st orage bin. 4) W hile maintaining a hold on the door , remov e the[...]

36 1 8) Install the low er par t of the mechanical seal onto the lo wer housing . 1 9) Lower the e vapor at or down and secur e it to the lo wer housing . 20) Install the auger assemb l y with the upper par t of the mechanical seal at tached. Replace the cut ter , extruding head, and e v aporat or ange in their corr ect positions. 21) Open the w[...]

37 the f an mot or assemb l y int o the unit. Connect the f an motor wires , then replace the remo ved par ts in the re v er se order of which the y were r emov ed. 6) Replace the louv er and panels in their correct positions . 7) Plug the unit back in. Mov e the power s witch to the "ON" position. E. Remo val and R eplacement of W ater R[...]

38 VI. Cleaning and Maintenance This icemaker m ust be cleaned and maintained in accor dance with the instr uction manual and labels pr o vided with the icemak er . Consult with your local distrib ut or about cleaning and maintenance service. T o obtain the name and phone number of your local distrib ut or , visit www .hoshizaki.com or call Hoshiza[...]

39 3) W hile maintaining a hold on the door , remov e the hinge stop pin fr om hinge (B). P ull out the bot tom of the door slightl y , then gently r emov e the door fr om hinge (A). See Fig . 1 0. 4) Remo ve the 2 scr e ws securing the top panel, then lif t it of f. 5) Remo ve all ice fr om the st orage bin. 6) Remo ve the slope fr om the st orage[...]

40 1 2) Allow the icemaker t o sit for 1 0 minut es bef ore operation. If you placed a clamp on the reservoir hose in st ep 1 1, remo v e it bef ore operation and r eplace the spout in its correct position. 1 3) Plug the unit back in. Mov e the po wer s witch to the "ON" position. 1 4) Allow the unit to mak e ice using the solution. When [...]

41 5. Sanitizing Pr ocedur e - F inal 1) Remo ve the drain plug t o drain any r emaining solution. 2) Af ter all of the solution has drained, r eplace the drain plug in its correct position. 3) Remo ve the r eser v oir cov er . P our the sanitizing solution int o the r eser v oir until the solution star ts t o  o w thr ough the ov er ow hose [...]

42 B. Maintenance The maintenance schedule belo w is a guideline. More frequent maint enance may be requir ed depending on wat er quality , the icemak er's en vir onment, and local sanitation regulations . W ARNING 1 . Only quali ed ser vice technicians should at tempt t o ser vice this icemak er . 2. Mov e the pow er s witch to the "O[...]

43 1 . St or age Bin Dr ain In some conditions, slime ma y build up inside the st orage bin drain and pre v ent wat er from dr aining pr operly . T o pre v ent this buildup , perf or m the follo wing procedure once e v er y 3 months or as of t en as necessar y f or conditions. 1) Mov e the power s witch to the "OFF" position. 2) Remo ve a[...]

44 C. Pr eparing the Icemak er f or Long Stor age C A UTION When st or ing the icemak er f or an ext ended time or in sub-freezing temper atur es , f ollow the instructions below to pr ev ent damage. When the icemak er is not used for t wo or thr ee day s under nor mal conditions, it is suf ficient t o mov e the power s witch to the "OFF"[...]