Master / Sub Wired Controller Operation - Lennox V0STAT51P-3 Installation & Operation Instructions

Master / Sub Wired Controller Operation

Up to two controllers can be connected to an indoor unit or group of indoor units. When two con-
trollers are connected, one controller is the master controller and one is the sub controller for that
indoor unit or group of indoor units.
Both the master and sub controller can change the indoor unit's operation. Other functionality is
limited to the master controller.
Function
ON/OFF
Mode(Auto/Cooling/
Heating/Dry/Fan
Fan Speed
Setpoint
Swing
Schedule (including
holidays)
Override
Temperature Unit Dis-
play Setting (°F/°C)
Setpoint Limit
HA HB COM 12V
Figure 86. Master/Sub Configuration: V0STAT51 Master & V0STAT51 Sub
Table 4. Master/Sub Controller Operation of Indoor Unit
Master Controller
Available
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Sub Controller
Available
Yes
Yes
Yes
Yes
Yes
No
No
No
No
66
Synchronize
Controller Display
Yes
Yes
Yes
Yes
Yes
No
No
No
No
HA HB COM 12V
HA HB COM 12V