HAMWORTHY HEATING LTD
QAA73.210
Programmable Room Unit
500001305/B
4.4.2 Switching Times
This setting defines the switching times for space heating and d.h.w. heating. The temperature setpoints of the 2
heating circuits and the d.h.w. usage times change at the times set.
Note: First, select the weekday for which the switching times shall be entered!
4.5 Heating Circuit (HEAT)
In comfort operation, the comfort room temperature setpoint is maintained.
The comfort room temperature setpoint is adjusted with the buttons for the comfort temperature, which are located
on the controller front for direct access by the user. When a button is pressed, the current room temperature set-
point is displayed and when pressed further –
readjusted.
Room temperature
setpoint setting
ranges:
5
Reduced room temperature setpoint (ECONM)
6
Frost protection setpoint of the room temperature (NOFRS)
When the comfort room temperature setpoint is active, the rooms will be heated according to the adjustment
made with the setpoint buttons.
The adjustment made with the buttons is only active in automatic and continuous operation.
The comfort phases depend on the settings made on lines
‘
ON
1’
through
‘
OF
4’.
Comfort temperature and reduced temperature phases for heating circuit.
The reduced room temperature setpoint (ECONM) ensures a lower room temperature during the night, for
instance, to save energy.
It is not possible to set the reduced setpoint above the adjustment made on comfort room temperature setpoint.
During the reduced phases, the reduced room temperature setpoint is maintained. Any lower comfort tempera-
ture is given priority however.
The frost protection room temperature setpoint (NOFRS) function prevents the room temperature from falling be-
low the adjusted frost protection setpoint.
This setting will change the frost protection setpoint of the room temperature.
•
This function is ensured only when the heating plant operates properly!
•
Frost protection for the boiler and the d.h.w. must be ensured by the boiler control
16
Summary of Contents for QAA73.210
Page 2: ......
Page 5: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B iii...
Page 6: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B iv...
Page 17: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B 11...
Page 18: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B 12...
Page 19: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B 13...
Page 34: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B 26...
Page 37: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B 29...
Page 41: ...HAMWORTHY HEATING LTD QAA73 210 Programmable Room Unit 500001305 B 33...
Page 43: ......