Siemens RDG100 Thermostat Instruction Manual
Siemens RDG100 Thermostat
Siemens RDG100 Thermostat
Siemens RDG100 Thermostat Instructions
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Siemens RDG100 Thermostat Specifications
| Feature | Specification |
|---|---|
| Product Models Covered | RDG100, RDG100T |
| Operating Voltage | AC 230 V, 50/60 Hz |
| Power Consumption | Max. 8 VA / 1 W |
| Internal Fuse | None (External preliminary protection required) |
| External Circuit Breaker | Max. C 10 A (AC 230 V mains supply line) |
| Fan Control Outputs (Q1, Q2, Q3-N) | AC 230 V, 5 mA...5(4) A resistive (inductive) |
| Control Outputs (Y1, Y2, Y3, Y4-N) | AC 230 V, 8 mA...1 A (Power limitation: 3A fast microfuse, non-exchangeable) |
| Output Types (Valves) | On/Off, PWM, 3-position (triac outputs) |
| Fan Type | 1-speed or 3-speed |
| Multifunctional Inputs (X1-M/X2-M) | NTC (3 kΩ at 25 °C), 0...49 °C (32...120 °F) temperature range. Digital: DC 0…5 V, max. 5 mA. Max. 80 m cable length. |
| Digital Input (D1-GND) | SELV DC 6…15 V, 3…6 mA. Selectable (NO/NC). |
| Built-in Room Temperature Sensor | Measuring range: 0…49 °C (32…120 °F) Accuracy: < ± 0.5 K (± 1 °F) at 25 °C (77 °F) |
| Temperature Calibration Range | ± 3.0 K (± 6 °F) |
| Setpoint Setting Resolution | 0.5 °C (1 °F) |
| Current Temperature Display Resolution | 0.5 °C (1 °F) |
| Control Switching Differential (Heating) | 2 K (0.5…6 K) / 4 °F (1...12 °F) adjustable |
| Control Switching Differential (Cooling) | 1 K (0.5…6 K) / 2 °F (1...12 °F) adjustable |
| Environmental Operation Conditions | 0…50 °C (32…122 °F), <95% r.h. (non-condensing) |
| Protection Class | II as per EN60730 |
| Degree of Protection | IP30 to EN60529 |
| Housing Front Color | RAL 9003 white |
| Dimensions (H x W x D) | 128.0 x 93.0 x 30.8 mm (5.04 x 3.66 x 1.21 inches) |
| Weight | 0.30 kg |
Siemens RDG100 Thermostat Details
The Siemens RDG100 thermostat is engineered for a diverse range of HVAC applications, ensuring optimal climate control in various settings. It supports 2-pipe fan coil units, including configurations with electric heaters or integrated radiator/floor heating. Furthermore, it's suitable for 4-pipe fan coil units, 2-stage heating or cooling setups, and universal heating/cooling systems, even accommodating compressors in DX-type equipment.
This thermostat provides significant flexibility through its two multifunctional inputs (X1, X2) and one digital input (D1). These inputs can be freely configured for purposes such as keycard contact, external temperature sensors (room or return air), dewpoint monitoring, electric heater enablement, or fault signaling. This adaptability allows for tailored control strategies based on specific room or system requirements.
Users can choose between several operating modes: Comfort, Economy, and Protection, which can be selected via the thermostat's operating mode button or external contacts. For models like the RDG100T, an additional Auto Timer mode is available, featuring 8 programmable timers to automatically switch between Comfort and Economy modes throughout the week, complete with a 48-hour power reserve clock.
Beyond standard temperature maintenance, the RDG100 incorporates several advanced features. An automatic or manual heating/cooling changeover function ensures seamless transition between seasons. To prevent issues in 2-pipe changeover systems, a configurable purge function periodically opens the valve to ensure accurate medium temperature acquisition.
Fan control is highly customizable, offering automatic or manual operation for 1-speed or 3-speed fans. Features like "Fan kick" periodically run the fan at low speed during the dead zone to enhance air circulation and prevent moisture damage. A "Fan start booster" momentarily increases fan speed to overcome inertia, and "Fan overrun" ensures adequate cooling after the electric heater switches off.
For energy efficiency and comfort, the thermostat includes minimum and maximum setpoint limitations, preventing extreme temperature settings. A "Clean fan filter reminder" proactively alerts users when maintenance is due, contributing to system longevity and efficiency. Furthermore, a button lock function, either automatic or manual, prevents unauthorized adjustments to settings.
The thermostat also supports "Extended Comfort" and "Temporary Timer" functions, allowing occupants to briefly override standard operating modes for increased presence or absence. For the RDG100T model, an infrared remote control receiver provides convenient remote adjustment of operating modes and setpoints.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Siemens RDG100 Thermostat, and we answer them below.
