26
for cooling mode, N/A for water heating mode).
AUX1 Switch – not used.
AUX2 Switch – not used.
SD Switch – not used.
T1 Temp – not used.
T2 Temp – not used.
– DIP Switch Settings
Allows the service technician to view the status of all
dipswitch settings for the connected communicating
controls at the thermostat. NOTE: The unit control
dipswitch settings cannot be changed from the
thermostat.
S1–1 ON = Modbus Master, OFF = Modbus
Slave
S1–2 ON = Diag Master, OFF = Diag Slave
SW1-3 ON = ACC K3 (ACC1) Tracks compressor,
OFF = ACC K3 (ACC1) Tracks blower
SW1-4 ON = ACC K4 (ACC2) Tracks compressor,
OFF = ACC K4 (ACC2) Tracks blower
SW1-5 ON = ACC K7 Tracks compressor, OFF =
ACC K7 Tracks blower
SW1-6 ON = HW HX Enabled, OFF = HW HX
Disabled
– Fault History
Fault History stores and displays the ve most
recent fault or warning codes for the connected
communicating control.
– Clear Fault History
Clear Fault history will clear all fault codes stored
in the thermostat as well as the fault history in any
connected communicating controls.
If installing on
Trilogy® 45 VE,
this step can be
skipped.