Nespresso EF 473, EF 474 manual Technical data

Page 7

Main Components

Technical data

EF 473

mm 291

Mains

 

Power consumption

 

EUR

230V / 50 Hz

(at all voltages and frequencies)

 

USA /CAN

120 V / 60 Hz

Thermoblock

1’200 W

JAP

100 V / 50-60 Hz

Pump

60 W

Approvals

SEV, CENELEC, CE-conform,

 

 

 

 

 

UL, CUL, MITI

Ratings

 

 

 

 

255 mm

 

166

mm

 

 

EF 474

 

mm

 

291

254 mm

166

mm

 

Cable length

~1,5 m

Pump data

 

Pump pressure

 

- max. permissible

17,5 bar ±1,5 bar

- during coffee preparation

9 -13 bar

(depending on brand of coffee)

Flow performance 120-240 ml/min. at 12 bar

Capacities

 

Water tank

0.9 l

Drip tray

approx. 100 ml

Capsule container

10 - 14 pcs.

 

 

Preheating

8.0

Wh

1 small cup

(40 ml*) 4.5 Wh

1 large cup

(110 ml*) 9.5

Wh

Stand-by mode

(in 1 h) 11

Wh

 

* factory setting

 

 

 

 

Various data

 

 

Pre-heating time approx.

50 s

Safety temperature (thermal cut-off) 167° C

Coffee temperature at outlet

86° C ± 3° C

Weight of machine

approx. 3 kg

 

(without water)

 

 

Service Manual EF 473 / EF 474

7

Version 1.0 en

Image 7
Contents Essenza FS Contents Preface Overview Main ComponentsSerial number codification Overview of rating platesWater circuit Technical data Preparation OperationDo not insert a capsule yet Fill water system Procedure to fill water systemMaking coffee Programming Reset to factory settings Empty water system Coffee machine status Operating modes Left Coffee buttons LED signals RightOperating status of coffee buttons Checking the machine on receipt TroubleshootingFurther details in order to take decision Repair General disassemblyTool Tools Replacing thermoblock and NTCProcedure for flow meter Replacing flow meter and On/Off switchProcedure for On/Off switch Replacing pump Replacing electronic control board with button prints Replacing compact brewing unit CBU Pump Pump On/Off switch Repair Descaling Carefully read safety instructions on decalcifier packageDescaling Sec RinsingMeasuring flow rate Preparation unplug machine from mains Checking for leaks and pump pressureSwitch off machine Open valve to empty pressure gauge Coffee temperature should be approx C ± 3 C 187 F ± 5.4 F Measuring coffee temperatureProcedure machine is switched off Daily care and final cleaningSpare Parts Repair accessoriesSpare parts EF Electronic set 230V EF Coffee outlet & front ring EF 471 package 29 39154 Coffee buttonEF 30 43061 Espresso button EF 26392 Version 1.0 en