18
VI.KT.F2.02
© Danfoss 06/2008
DH-SMT/DK
DH-SMT/DK
VI.KT.F2.02
© Danfoss 06/2008
19
P1 exercise (pump exercise)
7022
Setting range
Factory setting
ON / OFF
OFF
Exercises the pump to avoid blocking in periods without heat demand.
ON:
The pump is switched ON for 1 minute every third day around noon.
OFF:
The pump exercise is not active.
M1 exercise (valve exercise)
7023
Setting range
Factory setting
ON / OFF
OFF
Exercises the valve to avoid blocking in periods without heat demand.
ON:
The valve receives a signal to open and close every third day around
noon.
OFF:
The valve exercise is not active.
P1 frost T (frost protection)
7077
Setting range
Factory setting
OFF / -10 ... 20 °C
10 °C
When the DHW temperature is below the set temperature in ‘P1 frost T’, the controller automatically
switches ON the circulation pump to protect the system.
OFF:
No frost protection.
-10 ... 20:
The circulation pump is ON when the flow temperature (S3) is below
the set value.
P1 heat T (heat demand)
7078
Setting range
Factory setting
-20 ... 50 °C
20 °C
When the desired flow temperature is above the set temperature in ‘P1 heat T’, the controller
automatically switches ON the circulation pump to meet the heat demand.
-20 ... 50:
The circulation pump is ON above the set value.
Application
7000
Standby T (standby temperature)
7093
Setting range
Factory setting
5 ... 40 °C
10 °C
Set the desired flow temperature at standby.
5 ... 40:
Desired standby flow temperature.
Ext. (external override)
7141
Setting range
Factory setting
OFF / SETBACK / COMFORT
OFF
Choose mode for ‘Ext.’ (external override).
The override can be activated for setback or comfort mode. For override, the controller
mode must be AUTO (scheduled operation).
OFF:
The controller's schedule is not overridden.
SETBACK:
The controller is in setback mode when terminals 11 and 12 are short-
circuited.
COMFORT:
The controller is in comfort mode when terminals 11 and 12 are short-
circuited.
Min. on time (min. activation time gear motor)
7189
Setting range
Factory setting
2 ... 50
3
The min. pulse length in milliseconds for activation of the gear motor.
Setting
Value x 20 ms
2
40 ms
10
200 ms
50
1000 ms
The setting should be kept as high as acceptable to increase the lifetime of the actuator.
