[SOLVED] NEST always Celsius?

Add-ons Bindings
#1

Hi,

I just upgraded to OH 2.4, and using the NEST API 2.4.0 (firmware 5.9.3-6). I have a simple site map configured to see and set the temperature of a thermostat.

 Text item=HallwayThermostat_Temperature label="Current Temperature [%.0f °F]" icon="temperature"
 Setpoint item=HallwayThermostat_SetPoint label="Set Temperature [%.0f °F]" icon="temperature" minValue=65 maxValue=80 step=1

The thermostat is set to Fahrenheit, and when changing the temperature at the NEST unit, OpenHAB is updated correctly.

2018-12-28 10:01:41.146 [vent.ItemStateChangedEvent] - HallwayThermostat_Temperature changed from 74.0 to 75.0
2018-12-28 10:27:17.156 [vent.ItemStateChangedEvent] - HallwayThermostat_Temperature changed from 75.0 to 74.0

However, when I try to set the temperature from OpenHAB, I see the below messages in openhap.log.`

2018-12-28 09:58:47.399 [WARN ] [t.internal.handler.NestBridgeHandler] - Nest API error: Temperature F value is too high: 166.0
2018-12-28 09:58:50.080 [WARN ] [t.internal.handler.NestBridgeHandler] - Nest API error: Temperature F value is too high: 165.0
2018-12-28 09:59:10.337 [WARN ] [t.internal.handler.NestBridgeHandler] - Nest API error: Temperature F value is too high: 164.0
2018-12-28 09:59:13.057 [WARN ] [t.internal.handler.NestBridgeHandler] - Nest API error: Temperature F value is too high: 163.0

Apparently, the number is “converted”, as if I was trying to set the temperature in Celsius, and a value in Fahrenheit is sent. For instance, trying to set 74F, I see “value too high 165” in the log, as if I was trying to set 74C, which is 165.2F.

Or is it just something I configured incorrectly?

If I change everything to Celsius (thermostat, as well as OpenHAB configuration), it works perfectly.

Thank you in advance,
Miki.

#2

Can you post your items, please?

#3

Thank you so much for the quick response! :slight_smile:

I created my Nest items with the PaperUI, so I hope it’s OK if I post the corresponding lines from /var/lib/openhab2/jsondb/org.eclipse.smarthome.core.items.Item.json.

  "HallwayThermostat_Mode": {
    "class": "org.eclipse.smarthome.core.items.ManagedItemProvider$PersistedItem",
    "value": {
      "groupNames": [],
      "itemType": "String",
      "tags": [],
      "label": "Mode"
    }
  },
  "HallwayThermostat_Temperature": {
    "class": "org.eclipse.smarthome.core.items.ManagedItemProvider$PersistedItem",
    "value": {
      "groupNames": [],
      "itemType": "Number",
      "tags": [],
      "label": "Temperature",
      "category": "Temperature"
    }
  },
  "HallwayThermostat_SetPoint": {
    "class": "org.eclipse.smarthome.core.items.ManagedItemProvider$PersistedItem",
    "value": {
      "groupNames": [],
      "itemType": "Number",
      "tags": [],
      "label": "Set Point",
      "category": "Temperature"
    }
  },

Let me know if this is not what you wanted, or if you need something else.

Thanks again,
Miki.

#4

Go to PaperUI -> Configuration -> System -> Regional Settings -> Show more -> Measurement System
And select Imperial (US)

2 Likes
#5

Gaah! That easy! :slight_smile: Thanks a bunch!

#6

Please tick the solution mark under the post that gave you the solution. Thanks
And add a like!! Thanks