Thermostat Z-Wave Specification
June 26, 2019
Building 36 Technologies
An Alarm.com Company
15
5.1.47
0x2F : RESERVED
5.1.48
0x30 : PIR Enable
•
Default is enabled.
•
Size 1 byte
5.1.49
0x31 : Display Options
•
Bitmask to set display options.
o
Bit 0
–
if ‘1’, show humidity on the main screen in all modes.
•
Default is 0x00
•
Size 1 byte
5.1.50
0x32 : System Configuration (READ ONLY)
•
Summarized report of system configuration
Bits
7
6
5
4
3
2
1
0
Loads
State
Aux Fan Cool Stages
Heat Stages
Fuel
HVAC Type
Z2 Configuration
Z1 Configuration
Reserved
Override
Reserved
•
HVAC Type : 00b
–
Normal, 01b
–
Heat Pump
•
Fuel : 0b
–
Fuel, 1b -Electric
•
Aux Fan : 0b- Disabled, 1b
–
Enabled
•
Override : 1b
–
Relays manually configured, 0b
–
Relays automatically detected
•
Size 4 bytes
5.1.51
0x33 : Thermostat Reset (Write Only)
•
Must write the magic value 0x0B36 to take effect.
•
Size 2 byte
5.1.52
0x34 : Vent Options
•
0x00
–
Disabled
•
0x01
–
Always activate regardless of thermostat operating state
•
0x02
–
Only activate vent when the thermostat operating state is heating.
•
0x03
–
Only activate vent when the thermostat operating state is cooling.
•
0x04
–
Only activate the vent when the thermostat operating state is heating or cooling.
•
Default is 0x04
•
Size 1 byte
