WMF 800 - 2;3.6.1.2 Inlet Pipe T2-22

Engin eering
T2-22
© WMF800 / 900 / 1000S / 1000proS Edition 07/2014 - KMT
2/3.6.1.2 Inlet pipe
Theinowcomesdirectlyfromthehot
waterboilerviatheinletvalve.
2/3.6.2 Thermostat
Thetemperaturelimitersprevent
thesteamboilertemperaturefrom
increasingtoomuchinthecase
ofamalfunction.Ifthecut-off
temperatureisexceeded,thecontacts
openandarelocked.
Theprotectivecoverspreventsshort-
circuitsifthereisaleak.
Theservicetechnicianisprotected
fromaccidentalcontactandpossible
electrocution.
Technical data: thermostat
Shut-offtemperature +155°C±5K correspondstoabout
3-3.5bar
Thermostat service life:
Thermostat
90,000brewingcyclesoramaximumof6years
Technician instructions
Aftercoolingdown,thecontactcanbeclosedagainbypressingtheresetbutton.
Thetemperaturelimitermaybescrewedinwithamaximumof100Ncm(proper
hand-tightening).
Iftrippedwithoutanapparentreason,thenthehotwaterboilerandtheCPUmustbe
replaced.
Ifthereismechanicaldamageorevidenceofcorrosion,thetemperaturesensormust
bereplacedforsafetyreasons.
Error message on the display
• Trippingofthetemperaturelimitercanbetracedtofaultslistedinthesteamboiler
chapter
• Display“heatingup...”doesnotturnoffafterbeingswitchedoffandon.
h e ating u p...
See steam boiler chapter
See instructions, error messages, troubleshooting
Part 6