Service Manual HOBART GmbH An ITW-Company EFFICIENT RELIABLE INNOVATIVE ECOMAX 402/452/502 Start Serial No.: 8663 000 8663 3999 EEPROM: 897547-6 Facelift as of Serial No.: 8663 4000 EEPROM: 897547-7 ECOMAX 602/62/AM-0/AM- Start Serial No.: 8657 00 8667 2999 EEPROM: 897547-6 Facelift as of Serial No.: 8657 3000 EEPROM: 897547-7 This document is produced for internal use only. The detailed settings and servicing must be carried
CoNTENTS. STANdARd ModElS overview... 3............ 2. MAChINE dimensions... 5...... 3. INSTAllATIoN... 6......... 4. CoNTRolS... 7 5. INITIAl BooSTER fill (facelift SEE page 32)... 8 6. hydraulic SChEMATICS... 9.............................. 7. filling... 6........................ 8. washing... 22... 9. hood details... 23 0. ElECTRoNIC CoNTRol... 24................ dosage TIMES... 3 2 facelift february 20... 32.........
. STANdARd ModElS overview. ECoMAx 402 GlASSwAShER (G-SERIES) No. device Code EEpRoM ) program No. (led) programs Racks/hr. Glasses/hr. wiring diagram Ecomax 402-0 Ecomax 402-2 Ecomax 402S-0 Ecomax 402S-2 Ecomax 402-20 Ecomax 402S-20 Note: The green ).2 ECoMAx 452 frontdoor-dishwasher (f-series) No. device Code EEpRoM program No. (led) programs Racks/hr. Glasses/hr. wiring diagram Ecomax 452-90 Ecomax 452-9 Ecomax 452-90 Ecomax 452-9: caster at the rearside..3 ECoMAx 502 frontdoor-dishwasher (f-series) No. device Code EEpRoM ) program No. (led) programs Racks/hr. Teller/hr. wiring diagram Ecomax 502-0 Ecomax 502-2 Ecomax 502S-0 Ecomax 502S-2 Ecomax 502-20 Ecomax 502S-20 7 Ecomax 502-2 Ecomax 502-30 Ecomax 502-4 Note: The green ) Remarks for device code Ecomax 402/502: Ecomax -0/-2 (without "S") Ecomax -2 Ecomax -20 Ecomax -2 Ecomax -30 Ecomax -4 S means that a softener is integrated. S
.4 ECoMAx 602/62 hood-dishwasher No. device Code EEpRoM ) program No. (led) programs Racks/hr. wiring diagram Ecomax 602-0 / AM-0 / AM- Ecomax 602 - Ecomax 602S - Ecomax 62-0 Ecomax 62S -0 7 Ecomax 62-40 Ecomax 62-4 Ecomax 62-4 Note: The green ) Remarks for device code Ecomax 602/62/AM0/AM-: Ecomax 602-0/AM-0/AM- Ecomax 602-/all 62 Ecomax 62-40 S means that a softener is integrated. S
2. MAChINE dimensions 2. ECoMAx 402/452/502 dimensions (mm) Ecomax 402 Ecomax 452 Ecomax 502 2.2 ECoMAx 602/62 73 740 635 82 07 200* 860* 480* 440 960* 07 635
3. INSTAllATIoN 3. ElECTRICAl CoNNECTIoN 3.2 water CoNNECTIoN The machines must be operated with potable water. for water with an extremely high mineral content an external demineralization is strongly recommended. Machines without softener: max. 60 C Machines with softener: max. 60 C line flow Ecomax 402-0 / 402-2 / 502-0 / 502-2 / 602-0 / AM-0 / AM- (without rinse pump M2): below 2 bar, provide a rinse pump at site. above 6 bar, provide a pressure reducing valve. All other models (with rinse pump): Important:less than 0.8 bar. above 6 bar, provide pressure reducer at source. A not kink or cut 3.3 drain CoNNECTIoN Machine with drain pump (optional) Machine without drain pump max. 650 mm max. 00 mm
4. CoNTRolS 2 2 4 5 3 H H2 6 7 H3 H4 on/stop permanent After switch off, the machine is not voltage free! 2 program buttons 2 3 drain/off button After switch off, the machine is not voltage free! 4 display Temperature indication wash Tank Temp. B2 all models Booster Temp. B all models except -402 model -402 only 5 display Temperature indication Rinse 6 Salt required 7 Regeneration indicator Note:
5. INITIAl BooSTER fill (facelift SEE page 32) before. H7 H6 H5 H4 H27 H26 H25 H24 led allocation:. 2. Push program 3. three times. 4. ATTENTIoN: S03 0 Remarks: <l.0 l.0 for machines with pressure booster: for machines with pressure-less booster:
6. hydraulic SChEMATICS 6. legend of CoMpoNENTS for ECoMAx 402/502 (ECoMAx 452: SEE page 3) Ecomax 402 402S 402 402S 502 502S 502 502S -0-2 -0-2 -20-20 -0-2 -0-2 -20-20 B Temperature sensor booster X X X X X X X X X X X X B2 Temperature sensor tank X X X X X X X X X X X X B3 Pressure transmitter booster --- --- X X X X --- --- X X X X B4 Pressure transmitter tank X X X X X X X X X X X X E Booster heating 5.50 kw 400/3/N/PE 3x3A/3x6A --- --- --- --- --- --- A A A A --- --- E Booster heating 3.70 kw 230//N/PE x25a --- --- --- --- --- --- --- --- --- --- A A E Booster heating 3.70 kw 230//N/PE x20a --- --- --- --- X X --- --- --- --- --- --- E Booster heating.80 kw 230//N/PE x3a/x6a A A A A A A --- --- --- --- X X E2 Tank heating.80 kw X X X X X X X X X X X X M C M C M2 C2 Wash pump 0.25 kw 5.0 µf X X X X X X --- --- --- --- --- --- Wash pump 0.37 kw 0.0 µf --- --- --- --- --- --- X X X X X X Rinse pump 0.4 kw, 0.6A 4.0 µf --- --- X X X X --- --- X X X X M3 Rinse aid dispenser X X X X X X X X X X X X M4 Detergent dispenser Kit X Kit X X X Kit X Kit X X X M5 Drain pump Kit X Kit X X X Kit X Kit X X X S Reed-switch hood/door X X X X X X X X X X X X S2 Impeller --- --- X X --- X --- --- X X --- X S3 --- --- X X --- X --- --- X X --- X Y --- --- X X X X --- --- X X X X Y X X --- --- --- --- X X --- --- --- --- Y3. Valve resin --- --- X X --- X --- --- X X --- X Y4.2 Switching valve softener --- --- X X --- X --- --- X X --- X X X X X X X X X X X X X 2 --- --- X X X X --- --- X X X X X X --- --- --- --- X X --- --- --- --- 3 Pressure-less booster --- --- X X X X --- --- X X X X Pressure booster X X --- --- --- --- X X --- --- --- --- 4 Wash arms X X X X X X X X X X X X 5 Rinse arms X X X X X X X X X X X X 6 Salt chamber --- --- X X --- X --- --- X X --- X 7 Resin --- --- X X --- X --- --- X X --- X Notes: A drain pump 402 0-240784- drain pump 402S 0-5054- drain pump 502 0-240785- drain pump 502S 0-5053- detergent dispenser 402/502 0-240786-
6.. SChEMATIC for ECoMAx 402-0/502-0/502-30/502-4 (with pressure BooSTER) 4 5 S 2a 5 4 Y 5 l/min B4 B2 E2 3a B M E M3 Drain Booster draining 6..2 SChEMATIC for ECoMAx 402-2/452-90/502-2 (with pressure BooSTER) 4 5 S 2a 5 4 Y 5 l/min B4 B2 M4 E2 3a B M E M3 M5 Booster draining Drain
6..3 SChEMATIC for ECoMAx 402-20/452-9/502-20/502-2 (with pressure-less BooSTER) 4 5 S Note: Ecomax 452-9 2 5 l/min Y 5 4 M3 B4 B2 M4 E2 3 B B3 M E M2 Drain M5 Booster draining 6..4 SChEMATIC for ECoMAx 402S-0/502S-0 (with pressure-less BooSTER) 4 5 S 2 S2 5 l/min Y 5 4 M3 B4 B2 E2 M 6 S3 Y4.2 7 3 B E B3 M2 Drain Y3. Booster draining
6..5 SChEMATIC for ECoMAx 402S-2/402S-20/502S-2/502S-20 (with pressure-less BooSTER) 4 5 S 2 S2 5 l/min Y 5 4 M3 M4 B4 B2 E2 M 6 S3 Y4.2 7 3 B E B3 M2 Drain M5 Y3. Booster draining
6.2 legend of CoMpoNENTS for ECoMAx 602/62/AM-0/AM- Ecomax 602-0 602-4 Ecomax 602- Ecomax 602S- Ecomax 62-0 Ecomax 62S-0 AM-0 AM- B Temperature sensor booster X X X X X X X B2 Temperature sensor tank X X X X X X X B3 Pressure transmitter booster - - - X X X X - - - - - - B4 Pressure transmitter tank X X X X X X X E Booster heating 5.50 kw A - - - - - - - - - - - - A A E Booster heating 6.0 kw - - - A A A A - - - - - - Booster heating 4.0 kw Multiphasing 230/50/ 25A - - - X X X X - - - - - - E2 Tank heating 2.50 kw X X X X X X X M Wash pump 0.40 kw/2.5 µf X X X - - - - - - X X Wash pump 0.73 kw/6 µf - - - - - - - - - X X - - - - - - M2 Rinse pump - - - X X X X - - - - - - M3 Rinse aid dispenser X X X X X X X M4 Detergent dispenser X X X X X M5 Drain pump X X X S Reed-switch hood X X X X X X X S2 Impeller - - - - - - X - - - X - - - - - - S3 - - - - - - X - - - X - - - - - - Y - - - X X X X - - - - - - Y X - - - - - - - - - - - - X X Y3. Valve resin - - - - - - X - - - X - - - - - - Y4.2 Switching valve softener - - - - - - X - - - X - - - - - - X X X X X X X 2 - - - X X X X - - - - - - 2a X - - - - - - - - - - - - X X 3 Pressure-less booster - - - X X X X - - - - - - Pressure booster X - - - - - - - - - - - - X X 4 Wash arms X X X X X X X 5 Rinse arms X X X X X X X 6 Salt chamber - - - - - - X - - - X - - - - - - 7 Resin - - - - - - X - - - X - - - - - - Notes: A drain pump 602/AM-0-0-240784- detergent dispenser 602/AM-0-0-246480-
6.2. SChEMATIC for ECoMAx 602-0/602-4/AM-0/AM- with pressure BooSTER S 4 5 2a 5 l/min Y 5 4 M4 only AM- M4 B4 B2 E2 M 3a B E M3 Drain Booster draining 6.2.2 SChEMATIC for ECoMAx 602-/62-0/62-40/62-4 with pressure-less BooSTER 4 S 2 S2 5 5 l/min Y M4 B4 B2 E2 M B3 M3 3 B E M2 M5 DRAIN booster draining
6.2.3. SChEMATIC for ECoMAx 602S-/62S-0 with pressure-less BooSTER 4 S 2 S2 5 5 l/min Y M4 B4 B2 E2 M 6 Y4.2 B3 M3 S3 7 B E 3 M2 M5 Y3. Drain Booster draining
7. filling 7. waterbreak with flowmeter 200 impulses per liter. 00 ml All Ecomax machines with "S" Ecomax 402-20 / 502-20 / 602- / 62-0 / 62-40 / 62-4 Flowmeter Water flow Connection for filling supply Water flow Connection for filling supply Overflow Water for regeneration Fresh water to booster or softener Overflow Blind plug Fresh water to booster or softener 7..2. double-ball BACkflow preventer (402-0/-2 / 452-90 / 502-0/-2 / 602-0 / AM-0 / AM-) have Ecomax 452-9 Overflow Water flow connection for filling supply Y Fresh water to booster
7.2 pressure TRANSMITTER B3/B4 output Voltage pressure Transmitter B3 Booster (if installed) 85 C output Voltage * pressure Transmitter B4 Tank * Additions for pressure transmitter B4 (tank): Ecomax Tank heating on Tank filled Tank heating on while washing NoTE: pcb detail Transmitter Arrangement Press. Transmitter Tank Press. Transmitter Booster Temp. Probe Tank Temp. Probe Booster B4 B3 B2 B 0 + 0 + 0 9 8 7 6 5 X4 Voltage Signal from Transmitter 0 V +5 V Voltage Signal from Transmitter 0 V +5 V B3 Pressure transmitter Booster (not for Ecomax 402-0/-2, 502-0/-2, B4 Pressure transmitter Tank NoTE: 5 V x4 pin 5 (+5 V) and x4 pin 6 (0 V) pressure transmitter booster B3,x4 pin 8 (+5 V) and x4 pin 9 (0 V) B4. x4 pin 7 (+) and x4 pin 6 (0 V) pressure transmitter booster B3,x4 pin 0 (+) and x4 pin 9 (0 V) B4. If the sensor B3, B4 is outside the "normal" range (> 4.0 V / < 0.3 V), then the control is switched off.
7.3 dosing EquIpMENT dispensers Ecomax part No. delivery Rate hose Inside detergent Rinse aid pre-adjusted Values detergent Rinse aid dosage detergent y or rinse pump M2. M pump. Rinse aid. end of wash cycle.
7.4 SofTENER (only for MAChINES with "S" option) 7.4. GENERAl y3. Salt capacity: Salt consumption: Softener setting: In case of softener replacement the fastening nut has to be Special tool needed (softener wrench 775920-) NoTE: Active softener regeneration is indicated during operation by prolonged.
7.4.2 SofTENER ChECk procedure what you need to verify the softener function: how, respectively, where to measure? Adjustment of softener setting according to the hardness of incoming water: Approximate values if softener function is o.k.: for example: further steps: immediately after the program cycle has ceased. Never run the softener test program at the beginning of the herein described procedure because it rect. proceed as follows in case of too high hardness and/or conductivity values: y4.2 chloride content is at an acceptable level to prevent corrosion.
7.5 BooSTER / TANk / TEMpERATuRE probes parts with Booster part Numbers Ecomax 402 Ecomax 452/502 Ecomax 602/62 Booster Volume/water Consumption Rinse Cycle 402 452/502 602 pressure Booster pressureless Booster Tank Volume/Tank heating 402 452/502 602 NoTE: If one of the temperature probes (B/B2) is out of "normal" range (>99 C approx. /< C), then the control is switched off. Service, customer, or machine selection menu can be still opened. The probes can be checked in the service menu (see section 0.2 Service diagnostics on page 25).
8. washing 8. TEChNICAl data wash pump/rinse pump ModEl part No. Voltage / freq. / phases Current Capacitor power Impeller Ecomax 602 AM-0/AM- Ecomax 62 Ecomax 402 Ecomax 452/502 Ecomax 602/ AM-0/AM- Ecomax 62 The Service kits include: Ecomax part No. Voltage / freq. / phases Current Capacitor power Impeller 602S/602-, 62(S) 402S-0/402S-2, 402-20/402S-20 502 same codes NoTE:
9. hood details hood lift handle support 6 X Y 60 3 6 Spring bolt (for all models): 883683-2 x y Adjustment of tension springs non-insulated hood Tension spring: 883636-3 A tion or closes. Too much spring force: cycle. Make sure that in "stand-by" position, the hood neither opens nor slowly closes.
0. ElECTRoNIC CoNTRol 0. CuSToMER SETTINGS Requirements: Machine off and hood/door open. SETTING details: left display Right display detergent dosage Time Rinse Aid dosage Time water hardness. AdjuSTMENT of detergent dosage quantity (led h0 on): 2. AdjuSTMENT of RINSE AId dosage quantity (leds h0 and h on): 3. AdjuSTMENT of water hardness CloSE 4. detergent SuCTIoN hose 5. RINSE AId SuCTIoN hose 6. INITIAl BooSTER fill To ExIT ThE MENu:
0.2 SERVICE diagnostics (facelift SEE page 32) Requirements: Machine off and hood/door open.. INpuT SIGNAlSon S = h20 h29 and h9 h28 and h8 B B2 ok. B3 B4 ok. SETTING details: Input signals B B3 S8 S7 S6 S5 S4 S3 S2 S
2. output CoNTRol ( SETTING details: Control outputs Ecomax: Control outputs Ecomax: k/e M2 M5 y y4.2 M4 y3. M3 k2/e2 M k/e y M5 M4) M3 k2/e2 M Relayh20 3. INITIAl BooSTER fill SETTING details:
4. SwITChING functions SETTING details: Switching functions S0 S09 S08 S07 S06 S05 S04 S03 S02 S0 Thermostop booster activated led on deactivated led off 5. TEST ModE operation unit ( To ExIT ThE MENu: output control Switching functions door. BAE
0.3 MAChINE TypE SETTING (facelift SEE page 32) Requirements: Machine off and hood/door open. ExAMplE: is indicated by led h0 5 is indicated by. program NuMBER SElECTIoN ExCEpTIoN: of the currently programmed program number is SETTING details: left display Right display program Number Selection program Number 0 09 08 07 06 05 04 03 02 0 Machine Type To ExIT ThE MENu:
0.4 SofTENER TEST program (only MAChINES with "S" option) Requirements: Machine off and hood/door open. 2. SofTENER TEST program ( SETTING details: left display Right display Sequential operation 0. 9. Pause 8. 7. Pause 6. 5. Pause 4. 3. Pause 2.. details Notes: opened. To ExIT ThE MENu:
0.5 printed CIRCuIT BoARd (facelift SEE page 34) fitting position of board: S DOOR SWITCH S2 IMPELLER SWITCH S3 2 3 4 5 6 7 8 9 0 2 SALT DEFICIENCY PE PRES. TRANSMITTER TANK PRES. TRANSMITTER BOOSTER TEMP. PROBE TANK TEMP. PROBE BOOSTER B4 B3 B2 B P O I U N T P O I U N T OPERATION PANEL 2 3 4 5 6 7 8 9 0 X5 X4 X3 SLOT: E-EPROM (897547-6) LED A PE L N X0 RL RL2 RL9 RL8 RL7 RL6 RL5 RL4 RL3 RL0 2 3 N L 3 2 N L 3 2 N L 3 2 N L 3 2 N L 3 2 N L 3 2 N L 3 2 2 N L 3 2 X0 X9 X8 X7 X6 X5 X4 X3 X2 X NoTE: 3 EEpRoM 897547-6 / 897547-7 (Ecomax facelift) must be ordered separately. LED
. dosage TIMES Ecomax 402 (3 leds) Rinse volume per cycle: 2.50 l detergent pump 3.00 l/h Rinse Aid pump 0.40 l/h Ecomax 452/502 (3 leds) Rinse volume per cycle: 2.90 l detergent pump 3.00 l/h Rinse Aid pump 0.40 l/h Ecomax 602/62 (3 leds) Rinse volume per cycle: 2.90 l detergent pump 3.00 l/h Rinse Aid pump 0.40 l/h
2 facelift february 20 2. NEw EquIpMENT ANd program functions Ecomax 402/502: 8663 4000 Ecomax 602/62/AM: 8657 3000 Ecomax 702: 8656 00 display panel: red instead of green. Temperature values are also displayed. 70 65 60 55 50 45 85 80 75 70 65 60 Implementation of new software: program Number Selection program Number 0 09 08 07 06 05 04 03 02 0 Machine Type Machines without drain pump: pressure booster wash tank is reached rinse pump booster is reached
2.2 TEMpERATuRE ModIfICATIoN 70 65 60 55 50 45 85 80 75 70 65 60 70 65 60 55 50 45 85 80 75 70 65 60 TEMpERATuRE SETTING (f02 ANd f05): ( rinse temperature display. Tank Temp. B2 all models F02= >70 C F02= >65 C F02= >60 C F02= >55 C F02= >50 C F02= >45 C -------- -------- -------- -------- Booster Temp. B all models except -702 F05= >85 C F05= >80 C F05= >75 C F05= >70 C F05= >65 C F05= >60 C -------- -------- -------- -------- To change the setting of the wash To change the setting of the rinse
2.3 ChANGES on ThE CIRCuIT BoARd NoTE: 5 3 cannot be used in combination EEpRoM 897547-7. Door switch Fill level Salt deficiency 2 S 2 2 S2 S3 B4 Pressure transmitter TANK o + LED LED 2 X3 observe notch B3 B2 Pressure transmitter BOOSTER Temperature sensor TANK B Temperature sensor BOOSTER + o X4 Part number EEPROM 897547-7 LED 3 PE X0 L N Slot for BAE A2 X5 Main board: Part number: 897545-5 RL RL2 RL9 Rl8 RL7 RL6 RL5 RL4 RL.3 Booster heating K RL0 L N L N L N L N L N L N L N IN OUT L N X0 X9 X8 X7 X6 X5 X4 X3 X2 X LED LED 2 LED 3 NoTE:
NoTES
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