2.2.107. Thermostat Fan Mode Command Class, version 2¶
The Thermostat Fan Mode Command Class, version 2 is used for the HVAC’s systems manual fan.
The commands not mentioned here will remain the same as specified for Thermostat Fan Mode Command Class (Version 1).
2.2.107.1. Thermostat Fan Mode Set Command¶
This command is used to set the fan mode in the device
7 |
6 |
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2 |
1 |
0 |
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Command Class = COMMAND_CLASS_THERMOSTAT_FAN_MODE (0x44) |
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Command = THERMOSTAT_FAN_MODE_SET (0x01) |
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Off |
Reserved |
Fan Mode |
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Off (1 bit)
The “Off bit” set to “1” will switch the fan fully OFF regardless of what fan mode has been set. In order to activate a fan mode the “Off bit” MUST be set to “0”.
Fan Mode (4 bits)
This field MUST comply with the values indicated for version 2 and older in Table 2.533.
Reserved
This field MUST be set to 0 by a sending node and MUST be ignored by a receiving node.
2.2.107.2. Thermostat Fan Mode Report Command¶
This command is used to report the fan mode in a device.
7 |
6 |
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4 |
3 |
2 |
1 |
0 |
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Command Class = COMMAND_CLASS_THERMOSTAT_FAN_MODE (0x44) |
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Command = THERMOSTAT_FAN_MODE_SET (0x01) |
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Reserved |
Fan Mode |
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Fan Mode (4 bits)
Refer to description under the Thermostat Fan Mode Set Command.
Reserved
This field MUST be set to 0 by a sending node and MUST be ignored by a receiving node.
