DCN 141-01128-04 10/6/08
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ZWave Command Class Information
The TZ43 supports the following Command Classes
Zwave Command Class Comments
COMMAND_CLASS_THERMOSTAT_MODE The operating mode of the TZ43 thermostat
COMMAND_CLASS_THERMOSTAT_OPERATING
_STATE
Returns the operating state of the HVAC system
COMMAND_CLASS_THERMOSTAT_SETPOINT The TZ43 Setpoint (heat or cool)
COMMAND_CLASS_THERMOSTAT_FAN_MODE The Fan Mode
COMMAND_CLASS_THERMOSTAT_FAN_STATE The HVAC system mechanical fan state
COMMAND_CLASS_SENSOR_MULTILEVEL Returns the temperature as displayed by the TZ43. Note this
temperature is the TZ43’s working temperature and includes any
averaging sensors
COMMAND_CLASS_VERSION Returns various Zwave version information
COMMAND_CLASS_CLOCK Used to set the TZ43’s real-time clock
COMMAND_CLASS_MANUFACTURER_SPECIFIC Returns Manufacture and Product information
COMMAND_CLASS_CONFIGURATION Used to read/write internal TZ43 variables. The majority of the
variables are accessable via the on-screen menu, the
CONFIGURATION command class is used to remotely set the
variables. It is recommended that you have a thourough
understanding of the variables before making any changes. See
variable table below
COMMAND_CLASS_LOCK Used to implement the Display Lock, locking the thermostat keys
TZ43 Variable Table
Variable
Number
Description Minimum
Value
Maximum
Value
Notes
1 System Type 0 1 0 = Gas/Elec, 1 = HeatPump
2 Fan Type 0 1 0 = Gas, 1 = Elec
3 Change Over Type 0 1 0 = w/Cool, 1 = w/Heat
4 C/F Type 0 1 0 = C, 1 = F
9 Display Lock 0 1 0 = Unlocked, 1 = Locked
10 MOT 5 9 Minimum OFF Time
11 MRT 1 9 Minimum Run Time
12 H Delta Stage 1 On 1 8 Stage Timers
13 H Delta Stage 1 Off 0 8
14 H Delta Stage 2 On 1 8
15 H Delta Stage 2 Off 0 8
16 H Delta Stage 3 On 1 8
17 H Delta Stage 3 Off 0 8
18 C Delta Stage 1 On 1 8
19 C Delta Stage 1 Off 0 8
20 C Delta Stage 2 On 1 8
21 C Delta Stage 2 Off 0 8
25 SB Mode 0 1 Setback mode, 0 = No Setback, 1 = Setback
69 Service Mode (Test) 0 1 0 = No Service Mode, 1 = Service Mode enabled
75 Fan Cycler ON Time 0 120 On duration of Fan Cycler
76 Fan Cycler OFF Time 0 120 Off duration of Fan Cycler
77 2nd Stage Heat Enable 0 1 0 = No 2
nd
Stage Heat, 1 = 2
nd
Stage Heat
78 Aux Heat Enable 0 1 0 = No Aux Heat, 1 = Aux Heat enabled
79 2nd Stage Cool Enable 0 1 0 = No 2
nd
Stage Cool, 1 = 2
nd
Stage Cool