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Siemens RDS120-B Technical Instructions page 11

Smart thermostat
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Connections to Multifunctional Inputs X1 - M - X2
- Parallel connection
- Input function
Outputs
Relay Contact Capacity
Voltage
Current
Operational Data
Setpoint Range
45 to 95°F (7...35°C)
Built-in Room Temperature Sensor
Temperature range
32 to 122°F
Built-in Room Humidity Sensor
Humidity range
0% to 100%
System Compatibility
System Compatibility
Conventional
Heat pump
Connections
Interfaces
Micro USB
Wiring Connections
Screw terminals
Siemens Industry, Inc.
Smart Infrastructure
Max. 20 thermostats per switch
Selectable
24 Vac (±20%)
Min. 0.02 A, Max. 1A per output
Accuracy at 77°F (25°C)
±0.9 °F or 0.5°C
Accuracy at 77°F (25°C)
± 5% r.h.
2 stages cooling, 3 stages heating
2 stages cooling and 2 stages heating (+2
stages auxiliary heating)
A service port is provided for firmware
upgrade and on-site diagnosis
Solid wires or prepared stranded wires:
Max. 1 × 16 to 20 AWG
Display resolution
1 °F (0.5°C)
Display resolution
1%
A6V11727385
06/20/2019
11

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