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Marco Ecoboiler T20, Service Manual, Page: 10 / 18

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Marco Ecoboiler T20 Service Manual Download Page 10

T20-T30 Servuce Manual 11/07/2014 

 

 

Page 10 of 18 

 

4.4.  INTERN AL  ARR AN GEMENT:  

 
 

 
 

                                       

 

 
 
 
 
 

 
 
 

                  

 

 
 

4.5.  PCBs:  

 

4.5.1. 

 PCB La yout:  

 

Internal PCB Layout: 

 
PCB Ecoboiler Control (1600345): 

 

Controls the heater switching 

 

Controls the water inlet switching 

 

Controls tank temperature/temperature adjustment 

 

PCB Ecoboiler Display 10L (1600349) consists of: 

 

Power On/Off button

 

 

Power On LED

 

 

Status/Ready LED

 

 

ECO Mode On/Off Button

 

 

ECO Mode On LED

 

 

Summary of Contents for Ecoboiler T20

Page 1: ...0 T30 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 0207 274 4577 UK Fax 0...

Page 2: ...4 TECHNICAL DATA 7 4 1 General Description 7 4 2 External Arrangement 7 4 3 Access to internal components 8 4 4 Internal Arrangement 10 4 5 PCBs 10 4 5 1 PCB Layout 11 4 5 2 PCB Ecoboiler Control 160...

Page 3: ...any damage or injury caused by incorrect or unreasonable installation and operation 2 SAFETY INSTRUCTIONS Read all instructions To protect against electric shock do not immerse mains cord in water or...

Page 4: ...w several gallons through Connect right angled tailpiece of the hose to the inlet valve of the boiler again 3 4 BSP Make sure the sealing washer is fitted here also Turn on water and check for leaks 3...

Page 5: ...ements Normal when machine first fills Check water pressure if this is OK then call service agent 3 Temperature sensor failure o c Call service agent 4 Water not heating Call service agent 5 Temperatu...

Page 6: ...imescale are not covered by warranty Fitting a scale reducer is recommended especially in hard water areas This can reduce the build up of scale but may not stop it altogether The frequency that desca...

Page 7: ...ip Tray mm 690 240 395 518 568 690 240 395 518 568 690 300 395 518 568 Performance Immediate Draw Off litres Max Hourly Output litres hour 20 28 20 56 30 56 Electrical Connection 2 8kW 230V c w 1 5m f...

Page 8: ...ted on the picture and lever apart the front panels from the surround To remove the Front Fascia Top panel after separating the ball stud from the spring clip rotate the top edge of the panel forward...

Page 9: ...by unscrewing the four cross recessed pan headed screws On Tap versions the Tap assembly will need to be removed before the plastic Front Fascia Middle can be removed The Tank can be drained by remov...

Page 10: ...Internal PCB Layout PCB Ecoboiler Control 1600345 Controls the heater switching Controls the water inlet switching Controls tank temperature temperature adjustment PCB Ecoboiler Display 10L 1600349 co...

Page 11: ...tor 10 Earth Tab 11 Daughter PCB Connector low voltage Connects to Daughter PCBs allows switching of more than one element 12 External Connector 13 Thermistor Connector 14 Dip Switch 3 way Allows sele...

Page 12: ...Power On LED s shows that machine is switched on 2 Power On Off switch 3 Status LED s displays error signals via a flashing Red LED 4 Eco Mode On LED s 5 Eco Mode On Of Switch 6 5 way connector to PC...

Page 13: ...that the stop valve is open 2 Check that the inlet solenoid is working 3 If the water level is above the level of the low probe check the probe circuit wiring 3 FLASH CYCLE THERMISTOR OPEN CIRCUIT Di...

Page 14: ...d valve is switched on This is a non recoverable error This checks that the water in the tank is cooled by when the inlet solenoid valve is opened If the water pressure is within the specifications 5...

Page 15: ...d There are 3 level probes on the T20 and T30 Ecoboiler versions The Ecoboiler T20 T30 tank is shown below only the low level probe is visible in the picture 4 8 Descaling Procedure To descale the mac...

Page 16: ...T20 T30 Servuce Manual 11 07 2014 Page 16 of 18 4 9 Wiring Diagram 1000662 Ecoboiler T20 3...

Page 17: ...T20 T30 Servuce Manual 11 07 2014 Page 17 of 18 4 10 Wiring Diagrams 1000663 Ecoboiler T20 6 and T30...

Page 18: ...ap X X X 1502190 Valve Inlet Solenoid X X X 1500985 Element 2 8kW 230V X X X 1600691 Thermistor Assembly X X X 2300463 Level Probe Assembly X X X 2300192 Drip Tray Complete Ecoboiler T20 X X 2300274 D...

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