Rex-royal S300 Tech Manual
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Rex-royal S300 Tech Manual

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Tech Manual
Service
Rex-Royal S300 (2020)
EN |
  02/2021

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Summary of Contents for Rex-royal S300

  • Page 1 Tech Manual Service Rex-Royal S300 (2020) EN |   02/2021...
  • Page 2 This document and its entire contents are protected by copyright and are the in- tellectual property of Rex-Royal AG. The document must not be passed on to third parties and is only allowed to be used for the intended purpose. It must be kept in a safe place and protected from access by unauthorised persons.

  • Page 3: Table Of Contents

    Contents General Information Explanation of symbols Preventive Maintenance Cycles of Service Cleaning of the machine Cleaning and calibration of the grinders Adjustment of the hydraulic block Water pump pressure Steam boiler pressure Decalcifying Function control Product quality Removal-tool Service Menu Machine Settings Filter capacity Resetting the filter capacity...
  • Page 4 Detail Brewing unit Coffee piston „CP“ Brewing water piston „BP“ Cover Grinder Coffee boiler Steam boiler Hydraulic unit | Armoured tube Instant module Hot water outlet Steam wand Milk system M Armatures M Milk system CF Front door Armatures CF Pump support (Refrigerator) CF boiler Drip tray...

  • Page 5: General Information

    General Information Introduction The manufacturer reserves the right to make product improvements. We guaran- tee that this manual respects the technological status at the time the machine is supplied. We are open to any suggestions from technicians who may improve the product and the manual.

  • Page 6: Preventive Maintenance

    Preventive Maintenance The recommended actions and part replacements below will ensure the quality of products and the reliability of the machine. These actions are based on a reoccur- ring preventive maintenance schedule as a function of brew cycle counts. The machine will automatically display the Service required message to the oper- ator when the service interval setting is reached.

  • Page 7: Water Pump Pressure

    Water pump pressure Adjust the water pump pressure during brewing to approx. 9 bar or adjust the pump pressure in menu 20 on 11bar. Steam boiler pressure When pressure-testing, the measured pressure should correspond to the in Menu 6.06 programmed pressure. Decalcifying Descale your water nozzle according to the level of water hardness.

  • Page 8: Machine Settings

    Service Menu Machine Settings The following parameters must be carefully checked by performing a preventive maintenance. Filter capacity Once the set value is reached, the message „Filter change“ appears on the display. Selection: 0 — 10‘000 l 6.19 Milk suck in time 0.0 s 6.21 Filter capacity 6.22 Filter reset liter...

  • Page 9: Service Interval

    Service interval Once the set value is reached, the message „Maintenance required“ appears on the display. Selection: 0 — 100‘000 cycles 6.22 Filter reset litre 6.23 Service interval 20 kZyk 6.24 Service reset cycle 0 Zyk Reset service cycles To reset maintenance, the value is set to 0 or the MIN key is pressed and confirmed. Selection: 0 —...

  • Page 10: Machine Maintenance

    Service Menu Machine maintenance Error messages Displays the last 60 error messages with time and date. Errorhistory The error history shows following error messages: Code/Name Description E1 NTC Coffee Boiler Interruption of the coffee boiler temperature sensor E2 NTC Steam Boiler Interruption of the steam boiler temperature sensor E3 Flow Error Flowmeter does not send any pulses...

  • Page 11: Opening The Coffee Machine

    Housing Opening the coffee machine Size 2.5 Empty the water system if necessary. Ensure, that the coffee machine is disconnected the mains plug before dissemble. It must be voltage free!

  • Page 12: Detail

    Detail Brewing unit Coffee piston „CP“ Protect the micro sieve from grease and fill the gap between the wiping ring and the o-ring gaskets with plenty of grease. Pay attention to the installation position of the seal art.no. 140590. Recommended 140590 047464 050062...

  • Page 13: Brewing Water Piston „Bp

    Brewing water piston „BP“ Remove coffee residues from the brew piston and the coffee powder funnel. Size 3 Size 2.5 | 3 058803 380mm 047744 050062 044731 044731 30‘000 60‘000...

  • Page 14: Cover

    Detail Brewing unit Cover Ensure the two half shells are in good condition and clean before reassemble the brewing unit. It should also be considered that the screws of the brewing unit are not over-tightened. (3Nm) Size 4 Size 2.5 | 4 Size 11 047703 047924...

  • Page 15: Grinder

    Grinder After approx. 120‘000 cycles the grinder has to be maintained. This is a guide value and can change depending on coffee beans. After the maintenance, the grinder has to be recalibrated to in the menu 21. Size 4 Size 3 057419 (pair) 057793...

  • Page 16: Coffee Boiler

    Detail Coffee boiler Check the coffee boiler on scale buildings and leakages. Size 13 | 14 | 17 Recommended Tea Outlet Option Bypass 056379 056379 Brewvalve TEV (flow) 056379 Teavalve Option Instant 032809 (2kW) 032890 (3kW) *Only for CT/CTI/CF/CFI...

  • Page 17: Steam Boiler

    Steam boiler Check the steam boiler on scale buildings and leakages. Size 13 | 14 | 17 | 22 Recommended 056379* 056379 056379* Teavalve (watertime) CST/CTH 049897 (Nozzle) 056379* 058625 MCT/MCSTI Steam wand 032809 (2kW) 032890 (3kW) 30‘000 120‘000 / 3 years *Option Coffee outlet hot...

  • Page 18: Hydraulic Unit | Armoured Tube

    Detail Hydraulic unit | Armoured tube Decalcify the hydraulic unit if needed. The water hardness of the armoured tube should also be checked. Size 6 Size 3 Size 13 | 14 | 17 | 20 049896 056373 Cold water admixing valve KWV 058618 056373...

  • Page 19: Instant Module

    Instant module Remove powder and dirt residues from the instant unit and check all motors. Size 13 | 14 | 17 050022 057253 050149 057252 051003 057651 057254 140009 056379 058855 340mm 050125 058855 38mm 30‘000 60‘000 120‘000 / 5 years...

  • Page 20: Hot Water Outlet

    Detail Hot water outlet Decalcify water nozzle and hot water outlet tube (HW) if necessary. Size 9 050024 050052 050101 HW-tube 050101 Nozzle...

  • Page 21: Steam Wand

    Steam wand Remove milk residues and milk stone from the steam wand. Size 9 | 17 | 27 Size 5 050052 050052 050101 050129 040170 050101 Nozzle 050128 048250 30‘000 60‘000...

  • Page 22: Milk System M

    Detail Milk system M Milk frother Remove milk residues and milk stone from all milk frother parts and ensure an absolute hygienic system. 050064 048428 050107 058290 049248 058319 050107 048427 050107 048124 047913...

  • Page 23: Armatures M

    Armatures M Remove milk residues and milk stone. Ensure the aeration of the air valve and read- just the foam quality. Calibrate the milk pump according the preferred temperature in Menu 24. Size 3 Size 3 Size 8 Size 11 | 13 | 17 056379 Hotmilk steamvalve...

  • Page 24: Milk System Cf

    Detail Milk system CF Milk outlet Remove milk residues and milk stone from all milk outlet parts and ensure an abso- lute hygienic system. 049982* *050105 *050105 049935* *049936 047913* *also contained in the milk outlet kit CF (Art.no. 033677)

  • Page 25: Front Door

    Front door Remove milk residues and milk stone. Ensure the aeration of the air valve and read- just the foam quality. Calibrate the milk pump according the preferred temperature in Menu 24. Size 3 Size 3 Size 11 | 13 | 17 058857 790mm 058858...

  • Page 26: Armatures Cf

    Detail Milk system CF Armatures CF Remove milk residues and milk stone. Ensure the aeration of the air valve and read- just the foam quality. Calibrate the milk pump according the preferred temperature in Menu 24. Size 3 Size 3 | 6 Size 11 | 13 | 14 | 17 | 20 058858 058858...

  • Page 27: Pump Support (Refrigerator)

    Pump support (Refrigerator) 058858 300mm 056111 056391 VEN 1 056391 VEN 2 VEN 3 056391 VEN 4 058858 100mm 058858 100mm 050108 049897 058858 1100mm 050150 (Seal) 050066 058843 270mm 30‘000 60‘000 120‘000...

  • Page 28: Cf Boiler

    Detail Milk system CF CF boiler Check the steam boiler on scale buildings and leakages. Size 2.5 | 4 Size 13 | 14 | 17 | 22 Recommended Release 056379* 058295* 033681 050067* 050102* 049972* *Contained in the repair kit boiler CF (Art.no. 140212)

  • Page 29: Drip Tray

    Drip tray Clean the drip tray and replace both contact sheets. Check the contact sheets by removing and reinserting the drip tray multiple times. Size 4 Option waste water drip cup 048647 (+1) 050141 050115 048647 30‘000 120‘000 / 3 years...

  • Page 30: Maintenance Overview

    Maintenance overview Basic version CT (Coffee, Tea) Art.no. Description Page 30‘ 60‘ 90‘ 120‘ 032809 Coffee boiler 2kW 032890 Coffee boiler 3kW 040170 Seal 044731 Sieve 047464 Micro sieve 047653 Toothed belt disk 047703 Flute bolt 047744 Bellows 047924 Rotation lock 048647 Contact plate 050011...

  • Page 31: Steam Boiler Ms (Milk, Steam)

    Steam boiler MS (Milk, Steam) Art.no. Description page 30‘ 60‘ 90‘ 120‘ 032809 Steam boiler 2kW 032890 steam boiler 3kW Nozzle ø0.4mm 049896 049897 Nozzle ø0.6mm 056373 Plunger (2-way) Plunger (2-way) 056379* 058618 Check valve 058625 Safety valve Maintenance effort (min) Steam wand S (Steam) Art.no.

  • Page 32: Milk System M (Milk) With Milk Pump

    Maintenance overview Milk system M (Milk) with milk pump Art.no. Description page 30‘ 60‘ 90‘ 120‘ 049897 Nozzle ø0.6mm 050077 O-ring 050108 O-ring 050139 O-ring 050150 O-ring 056354 Plunger (3-way) 056373 Plunger (2-way) 056379 Plunger (2-way) 058618 Check valve 058843 Silicon tube (mm) 058857 Flexion tube blue (mm)

  • Page 33: Milk System Cf (Compactfoam)

    Milk system CF (CompactFoam) Art.no. Description page 30‘ 60‘ 90‘ 120‘ 033677 Milk outlet CF 033681 CF boiler heater 049897 Nozzle ø0.6mm 050066 O-ring 050105 O-ring 050108 O-ring 050150 O-ring 056111 Seal kit 056379 Plunger (2-way) 056391 Membrane 25-27 058803 Flexion tube transparent (mm) 1300 1300 1300 1300 058843...
  • Page 34 Notes...
  • Page 36 Rex-Royal AG | Swiss Coffee Machines | Industriestrasse 34 | CH-8108 Daellikon / Zuerich T: +41 44 847 57 57 | F: +41 44 847 57 59 | info@rex-royal.ch | www.rex-royal.ch Art.no. ------...

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