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2

Description of functions

Operating phase

Start up

Final phase

Self-circulation

Connection to 
bottom of boiler

Connection to 
bottom of tank

Connection to 
top of boiler

Summary of Contents for 21-60

Page 1: ... event of electrical power failure stopping the pump transfer the heat in the boiler to the tank through self circulation Operation Laddomat 21 60 functions fully automatically provided that pump start and stop is automated See page 3 The settings described in this User manual are normally made only once The Laddomat requires no special supervision or service Technical data Pump Laddomat LM6 stand...

Page 2: ...2 Description of functions Operating phase Start up Final phase Self circulation Connection to bottom of boiler Connection to bottom of tank Connection to top of boiler ...

Page 3: ... delivery temperature The lower the return temperature the longer the heat in the tank lasts Dimensioning Generous pipe dimensions and short lengths guarantee operating reliability even when the demand for heat is high This also allows effective self circulation in the event of power failure Recommended pipe dimensions at a maximum boiler to tank distance of 2 m Total length would then be 2 2 m 6 ...

Page 4: ...ch the boiler before the other tanks are completely filled Tank 2 will be virtually unused If the system is connected incorrectly the warm water and the heat will run out earlier than estimated after the burner has stopped since tank 1 will cool down more quickly than the other If these requirements cannot be met there are other connection options Equal pipe lengths To achieve equal resistance it ...

Page 5: ...5 NOTE See information on page 3 about the expansion vessel Connection suggestions Bottom connection of the expansion vessel gives reduced heat losses Alternative installation with open expansion vessel ...

Page 6: ...mp which may result in stoppages Instructions for replacing the thermostat in Laddomat 21 60 Check that the pump is switched off Close the three shut offs Unscrew the cover opposite the pump Remove the cover with the spring plunger and thermostat from Laddomat 21 60 The thermostat is held in place on the plunger by an O ring Detach the thermostat from the plunger carefully using a screwdriver see ...

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