Terminal identification
UIO1
COM
UIO2
COM
UIO3
RS485 SLAVE
RS485 SLAVE
SYLK MASTER
SYLK MASTER
DO1
DO2
DO3
DIO1
DIO2
Power supply guidelines and requirements
Fig 12. Thermostat terminal assignments
Do NOT wire the thermostat to line voltage.
Terminal Name
Table 2 Terminal identification
Terminal Label
UIO1
COM
UIO2
COM
UIO3
-
+
DO1
DO2
DO3
DIO1
DIO2
Description
Universal input/output
Common
Universal input/output
Common
Universal input/output
BACnet/Modbus Communications
BACnet/Modbus Communications
Sylk bus
Sylk bus
Configurable relay output
Configurable relay output
Configurable relay output
Configurable relay output, configurable
analog/relay input
Configurable relay output, configurable
analog/relay input
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