WMF 800 - Oscillation Pump

Engin eering
T2-10
© WMF800 / 900 / 1000S / 1000proS Edition 07/2014 - KMT
2/3.4 Oscillation pump
WMF800 / 900 WMF1000S / 1000proS
Thepumpproducespressureforallsystemsinthecoffeemachine.Itincreasesthe
freshwaterpressuretobrewingpressureforcoffee(4-9bar).Itisinoperationforall
coffeeoperationsexceptfortheproductionofsteam.
Thepumpisattachedbelowtothebasepan.
Technical data: oscillation pump
Powersupply 24VAC50/60Hz
Currentdraw 48W
Supplyvolume 0.65l/min.
Maximumpressure 16baragainsttheblock
Error without display message
• Hotwaterissprayingstrongly
• Fluctuatingmeteredquantitiesofhotwater
• Fluctuatingmeteredquantitiesafterpauses
• Fluctuatingmeteredquantitiesofcoffee
• Pumpisveryhotinnormaloperation
• Pumpisnotworkingand/orisnotdeliveringpressure
• Non-returnvalveinpumpoutletstuckafterlongdowntime
See flow errors chapter 2/3.7
See instructions, error messages, troubleshooting
Part 6