Danfoss ECL 2000, User Manual

Page: 75 / 106

Service Settings
EY.65.H4.02
69
Figure 9. The heat circuit and the hot-water circuit can be operated at the same time
Total stop These parameters determine how the individual heat circuits are operated during night
setback:
Display text Parameter Default value,
range Description
Heat circuit 1,
Heat circuit 2 Default value:
OFF
Range:
ON, OFF
When Total stop for a heat circuit is set
to ON, the circulation pump is switched
off and the motor valve is closed com-
pletely
When Total stop is set to OFF, the heat
circuits are controlled according to the
night setback temperature setting
Safety thermostat The safety thermostat function allows you to specify a maximum limit for the flow
temperature of all circuit types.
Display text Parameter Default value,
range Description
Heat circuit 1
Heat circuit 2
Hot water Default value:
150 °C
Range:
0-200 °C
The maximum flow temperature for the
individual circuits. If the flow tempera-
ture rises 5 K above this setting, the
motor valve supplying the circuit is
driven towards the closed position
When the flow temperature has fallen to
5 K below the specified temperature,
normal control takes over again