Operation Manual

10


– blockedwaterlter(cleanitoutaccordingtochapter7)
Heater does not start
– heater’sinletexchangedwithoutlet
– waterowsuppressedtoomuch
– blockedwaterlter(cleanitoutaccordingtochapter7).
– waterpressureinsystemtoolow
– lackofpowerbecauseofblownfuse.

– voltagetoolow(powerinstallationoverloaded)
– temperatureofenteringwatertoolow
– waterowtoohigh(adjustwaterowaccordingtochapter6)

– waterowtoohigh(adjustwaterowaccordingtochapter6)
– temperatureofenteringwatertoolow
– highvoltagedrop(seeitem1,table2)

– waterowsuppressedtoomuchbycontrolvalve(adjustwaterowaccordingtochap-
ter6)
– blockedwaterlter(cleanitoutaccordingtochapter7)
– waterpressureinwatersystemtoolow

– waterpressureoscillationinwatersystem
– waterowsuppressedtoomuchbyshutoff–suppressingvalve

– voltagerushinpowersupplysystem
– changesofwaterowinresultofpressurechangesinwatersystem