Danfoss living connect implementation error?
Posted: 16 Feb 2012 11:40
Let me try to be more detailed about the problems I have with the Danfoss living connect
- I can easily control the temperature manually by changing the temperature under "Device control -> Thermostats when in manual mode". This works well.
- I have created a climate schedule, which should be a 18 degrees from 0:10 to 8:10 and 21 deg the rest of the time.
- When I activate the climate schedule, the displayed temperature under "Thermostats" follows the schedule.
- In expert mode under "Expert commands", I can verify that the ClimateControlSchedule is correct for each of the three devices (thermostats) I have. There are two control points for each day:
7:
hour: 0 (8:51)
minute: 10 (8:51)
state: 0 (8:51)
valid: true (8:51)
8:
hour: 8 (8:51)
minute: 10 (8:51)
state: 30 (8:51)
valid: true (8:51)
I intepret this such that at 0:10, temperature should be at the set-point (of 18 degrees) on the thermostat, and at 8:10 it should change to 18+3=21 degrees
So I am assuming that "state" denotes the delta T from 18 degrees in units of 1/10 of a deg C. Is this correct?
Nontheless, my Danfoss living connect thermostats does not react at all at our around 8:10, so I am wondering if there is some error in the implementation for the Danfoss living connect.
Devices configuration reports Application version 2.6, SDK version 4.28. COuld there be a change in Danfoss' implementation that you are not aware of?
When I read about the living connect elsewhere, it seems to be what is called a setback thermostat, i.e., there is a defined comfort temperature (the setpoint), and then there is a setback temperature for energy saving. This seems to be the opposite of your implementation with a fixed low setpoint (18) and then a delta depending on the climate schedule. Please comment.
Thanks in advance for your feed-back.
- I can easily control the temperature manually by changing the temperature under "Device control -> Thermostats when in manual mode". This works well.
- I have created a climate schedule, which should be a 18 degrees from 0:10 to 8:10 and 21 deg the rest of the time.
- When I activate the climate schedule, the displayed temperature under "Thermostats" follows the schedule.
- In expert mode under "Expert commands", I can verify that the ClimateControlSchedule is correct for each of the three devices (thermostats) I have. There are two control points for each day:
7:
hour: 0 (8:51)
minute: 10 (8:51)
state: 0 (8:51)
valid: true (8:51)
8:
hour: 8 (8:51)
minute: 10 (8:51)
state: 30 (8:51)
valid: true (8:51)
I intepret this such that at 0:10, temperature should be at the set-point (of 18 degrees) on the thermostat, and at 8:10 it should change to 18+3=21 degrees
So I am assuming that "state" denotes the delta T from 18 degrees in units of 1/10 of a deg C. Is this correct?
Nontheless, my Danfoss living connect thermostats does not react at all at our around 8:10, so I am wondering if there is some error in the implementation for the Danfoss living connect.
Devices configuration reports Application version 2.6, SDK version 4.28. COuld there be a change in Danfoss' implementation that you are not aware of?
When I read about the living connect elsewhere, it seems to be what is called a setback thermostat, i.e., there is a defined comfort temperature (the setpoint), and then there is a setback temperature for energy saving. This seems to be the opposite of your implementation with a fixed low setpoint (18) and then a delta depending on the climate schedule. Please comment.
Thanks in advance for your feed-back.