Marco Ecoboiler WMPB3 Service Manual Download Page 8

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Service Manual Ecoboiler wallmount 1000671 100676 061010

Page 8 of 18

4.4. ACCESS TO INTERNAL COMPONENTS:

ANY MAINTENANCE WORK ON ANY
ECOBOILER PRODUCT SHOULD ONLY BE
CONDUCTED BY A TRAINED SERVICE
ENGINEER.

Removal

Disconnect the machine from the
electrical supply.

Allow to cool sufficiently.

The removable Side Panels are fixed at
the top of the machine.

Unscrew with a Philips head screwdriver.

Remove the panels in an upward and
outward motion.

Reassembly

To re-attach the side panels, complete the
removal actions in steps 4 & 5 in reverse order.
Ensure that the panel screws are securely
fastened.

Reassembly

To re-attach the side panels, complete
the removal actions in steps 4 & 5 in
reverse order. Ensure that the panel
screws are securely fastened.

Summary of Contents for Ecoboiler WMPB3

Page 1: ...boiler WMT3 Ecoboiler WMPB3 SERVICE MANUAL Marco Beverage Systems Ltd 63d Heather Road Sandyford Industrial Estate Dublin 18 Republic of Ireland Ireland Tel 01 295 2674 Ireland Fax 01 295 3715 UK Tel...

Page 2: ...ning 6 3 7 Limescale 6 3 8 Cautions and Safety Tips 6 4 TECHNICAL DATA 4 1 General Description 6 4 2 External Arrangement 7 4 3 Internal Arrangement 7 4 4 Access to internal components 8 4 5 PCBs 9 4...

Page 3: ...orised by Marco should carry out installation and maintenance of these machines Marco accepts no responsibility for any damage or injury caused by incorrect or unreasonable installation and operation...

Page 4: ...derside o When the machine is plumbed from the rear connect right angled tailpiece to the inlet valve of the boiler again BSP o When the machine is plumbed from the underside connect non angled tailpi...

Page 5: ...calibration process the steps below should be followed 5 If the tactile switch is pressed too early and the temperature is set lower than desired the tester should simply repeat calibration 6 If the t...

Page 6: ...earthed Risk of flooding The hose supplied with this unit is non toxic food quality tested to 190psi However a hose is not a permanent connection It is therefore advisable to switch off boiler and cl...

Page 7: ...ed centre panel Top tank access Lid High Level Probe Assembly 2300463 Low Level Probe Assembly 2300463 PCB Ecoboiler Control 1600345 ELEMENT 2 4kW 230V 1500950 Valve inlet Solenoid 1502190 Overflow Tu...

Page 8: ...ol sufficiently 3 The removable Side Panels are fixed at the top of the machine 4 Unscrew with a Philips head screwdriver 5 Remove the panels in an upward and outward motion Reassembly To re attach th...

Page 9: ...lace 4 5 PCBs 4 5 1 PCB Layout Internal PCB Layout PCB Ecoboiler Control 1600345 Controls the heater switching Controls the water inlet switching Controls tank temperature temperature adjustment PCB E...

Page 10: ...Tab 2 Inlet Solenoid Tab 3 Neutral Tabs 4 Transformer 5 Mains Live In Tab 6 Relays Heater Switch the element 7 Heater Tab 8 On Off 2 way Connector Short circuited on this Ecoboiler machines power swit...

Page 11: ...via a flashing RED LED 4 Eco Mode On LED s 5 Eco Mode On Of Switch 6 5 way connector to PCB Ecoboiler LED connector 7 4 way connector to PCB Ecoboiler BUTTONS connector 4 6 TROUBLESHOOTING DIAGNOSTIC...

Page 12: ...this error is detected This is a recoverable error When the correct range of resistance is measured normal operation resumes Probable causes 1 The thermistor probe is unplugged from the 4way connecto...

Page 13: ...cooled by when the inlet solenoid valve is opened If the water pressure is within the specifications 5 50psi the inlet solenoid should not be on for more than a few seconds If this water temperature h...

Page 14: ...trol inputs into the PCB and are critical to the operation of the machine The wiring to these should be checked regularly and the probes themselves should be cleaned whenever the machine is serviced O...

Page 15: ...rain hose is located at the base of the machine which is accessible by removing right side panel Use ScaleKleen Marco part No 8000270 or similar Follow instructions carefully Remove lid located on the...

Page 16: ...Service Manual Ecoboiler wallmount 1000671 100676 061010 Page 16 of 18 4 9 Wiring Diagrams...

Page 17: ...Service Manual Ecoboiler wallmount 1000671 100676 061010 Page 17 of 18...

Page 18: ...PCB Ecoboiler Display 10L Rev 1 0 X X 1600691 Thermistor Assembly X X X X 2100279 Tap Hot Water X X 2301463 Level Probe Assembly X X X X 8000240 Urn Cleanser 800g Tub X X X X 8800121 Descale Box 6 Pac...