Krups EF 472 - Function Tests; Measuring Water Flow Rate

ServiceManualEF472
32
F U N C T I O N  T E S T S
6 F U N C T I O N  T E S T S
6.1 Measurefl owrate
1) Fillthewatertank.
2) Pushtheconnectoradapterintothe
capsulebay.
3) Carefullyclosethehandle,untilthe
adaptersitsfirmlyinthecapsulecage.
4) Pulloutthemount.Theadapterlocks
withthecapsulecage.
5) Placeameasuringcupunderthedrain
hoseofthepressuretester.
6) Switchonthecoffeemachine.
7) Afterheatingup,pressthe"Smallcup"
button.
8) Openthevalveuntilwaterbeginsto
flow.
9) Closethevalveuntilthepressure
gaugeindicates12bar.
Constantlymonitorthepressure
gaugeandifrequiredreadjustthe
valve.Asthetemperature
increases,sodoesthepressure,
readjustthepressureto12bar
whenrequired.
10) Carryoutmeasurementforapprox.30
sec.
11) Atleast60120 mlofwatermustbein
themeasuringcup.
Notices:
• Should<60mlleakout,thenthepump
isdefectiveorthereisaleakinthe
watersystem.
• Largedeviationsinindicatedpressure
whilemeasuring(±4bar)meansthat
thepumpisdefective.