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RDF302 room thermostat
RDF302 Flush-mount room thermostat for rectangular conduit box with Modbus communications, 2-/4-pipe fan coils or DX type equipment
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Modbus communications
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For heating and/or cooling applications
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2 or 3-position control outputs
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Output for 1-speed or 3-speed fan
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2 multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact
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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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Color of housing: signal white (RAL 9003)
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Backlit display
Application selectable:
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2-pipe system
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2-pipe system with electrical heater
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4-pipe system
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Operating voltage AC 230 V
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Power consumption 7 VA
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Setpoint setting range 5...40 °C
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Switching differential 0.5…6 K
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Communication Bus: Modbus RTU (RS 485)
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Analog inputs, number 2
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Relay outputs Fan: N.O. contacts, non-floating , Valve: N.O. contacts, non-floating
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Relay outputs, number 5
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Relay output, switching voltage AC 230 V
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Relay output, switching current 5 (2) A
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Type of fixing Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm
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Degree of protection IP30
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Dimensions (W x H x D) 86 x 86 x 57 mm
Application selectable:
-
2-pipe system
-
2-pipe system with electrical heater
-
4-pipe system
-
Operating voltage AC 230 V
-
Power consumption 7 VA
-
Setpoint setting range 5...40 °C
-
Switching differential 0.5…6 K
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Communication Bus: Modbus RTU (RS 485)
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Analog inputs, number 2
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Relay outputs Fan: N.O. contacts, non-floating , Valve: N.O. contacts, non-floating
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Relay outputs, number 5
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Relay output, switching voltage AC 230 V
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Relay output, switching current 5 (2) A
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Type of fixing Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm
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Degree of protection IP30
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Dimensions (W x H x D) 86 x 86 x 57 mm