Danfoss ECL 2000 User Manual page 61

Charg. temp. diff.
Charging procedure c
Display text Parameter
Cut-in diff. Cut-in differ-
ence
Cut-out differ-
Cut-out diff.
ence
The diagram in Figure 7 illustrates these settings for a circuit with two sensors in-
stalled in the hot-water tank:
Temperature
T
set
Figure 7. Charging procedure c
EY.65.H4.02
This charging proecedure is used in application 5, 6, 7,
8 and 17. The hot-water service system has indirect
storage tank charging and the tank has no internal heat
exchanger.
For this type of system, the following settings are avail-
able:
Default value,
range
Default value:
15 K
Range:
0-50 K
Default value:
10 K
Range:
0-50 K
Upper tank temperature
Cut-in difference
Lower tank temperature
Charging
Description
Charging starts when the upper tank
temperature falls below the setpoint mi-
nus the cut-in difference
Charging ends when the lower tank tem-
perature reaches the setpoint minus the
cut-out difference. Alternatively, charg-
ing ends when the maximum charging
time is exceeded (see page 56)
T = charging temperature
set
Cut-out difference
Service Settings
Time
55