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Siemens
RDG400 Basic Documentation
CE1P3182en
Building Technologies
2015-05-20
2 Summary
2.1 Brief
description
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Single-duct system
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Single-duct system with electric heater
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Single-duct system and radiator/floor heating
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Single-duct system with heating/cooling coil
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2 multifunctional inputs and 1 digital input for keycard contact, external sensor,
etc.
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Operating modes: Comfort, Economy and Protection
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Automatic or manual heating/cooling changeover
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Adjustable commissioning and control parameters
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Minimum and maximum setpoint limitation
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Backlit LCD
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AC 24 V operating voltage
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Modulating PI/P control
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Output DC 0…10 V
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Output signal inversion (DC 10…0 V) as an option
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Output On/Off, PWM or 3-position control
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Adjustable minimum and maximum limitation of air flow output signal
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Maintenance of room temperature via built-in temperature sensor or external
room temperature/return air temperature sensor
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Automatic or manual changeover between heating and cooling mode
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Selection of applications via DIP switches
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Selection of operating mode via the operating mode button on the thermostat
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Display of current room temperature or setpoint in °C and/or °F
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Minimum and maximum setpoint limitation
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Button lock (automatic or manual)
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1 digital input, freely selectable for:
– Operating mode switchover contact (keycard)
– Automatic heating/cooling changeover contact
– Dewpoint sensor
– Electric heater enable
– Fault input
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2 multifunctional inputs, freely selectable for:
– Operating mode switchover contact (keycard)
– Automatic heating/cooling changeover sensor
– External room temperature or return air temperature
– Dewpoint sensor
– Electric heater enable
– Fault input
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Floor heating temperature limit
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Reloading factory settings for commissioning and control parameters
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Wizard function to select working temperature unit °C or °F
Applications
Features
Functions
