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 fi 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.
