Siemens RDG400 Wall-mounted room thermostat with LCD for VAV heating and cooling systems

Siemens RDG400 Wall-mounted room thermostat with LCD for VAV heating and cooling systems

Modulating PI control
∂ Control depending on the room or the return air temperature
∂ Output for DC 0…10 V actuator and auxiliary output On/Off, PWM or
3-position
∂ Automatic or manual heating/cooling changeover
∂ Operating modes: Comfort, Economy and Protection
∂ 3 multifunctional inputs for keycard contact, external sensor, etc.
∂ Adjustable commissioning and control parameters
∂ Minimum and maximum setpoint limitation
∂ Minimum and maximum limitation of air flow signal DC 0…10 V
∂ Output signal inversion as an option
∂ Operating voltage AC 24 V
∂ Backlit display