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38
SmartCommand Thermostat
Installation Manual
Network variables
Table 4 shows the network variables for use with the system variable, SVx command.
Table 4.
Network variables
Variable
number
Name
1
System type
2
Fan type
3
Changeover type
4
C/F type
5
Network address
9
Display lock
10
MOT
11
MRT
12
H delta stage 1 on
14
H delta stage 2 on
16
H delta stage 3 on
18
C delta stage 1 on
20
C delta stage 2 on
24
Setpoint h/c delta
69
Service (test) mode
74
Autosend mode
The system type, fan type, and changeover type variables are determined by the controller DIP switch SW1
setting. They can be viewed by the system variable command, but cannot be changed from the network.
Variable data
Default value
0, 1
0
0, 1
0
0, 1
0
0, 1
0
1 to 254
1
0, 1
0
5 to 9 minutes
6 minutes
0 to 9 minutes
6 minutes
0 to 8 degrees
1 degree
0 to 8 degrees
3 degrees
0 to 8 degrees
5 degrees
0 to 8 degrees
1 degree
0 to 8 degrees
3 degrees
3 to 15 degrees
4 degrees
0, 1
0
0, 1
0
Notes
0 = gas/electric, 1 = heat pump
0 = gas (no fan w/heat), 1 = electric
0 = c/o w/cool, 1 = c/o w/heat
0 = Centigrade, 1 = Fahrenheit
Reserved: 0 = host, 255 = global
0 = unlocked, 1 = locked
0 = 20-second test time
0 = 20-second test time
Minimum delta T between h/c setpoints
1 = test mode, sets MRT/MOT = 20 seconds
0 = off, 1 = on, send temp/mode on change
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