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Home Shop BMS/Auto Control System Room Thermostats Communicating Thermostats RDF660MB
PXG3.W200-2
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REV24RFDC/SET

RDF660MB

Flush mount MODBUS room thermostat for 2-/4-pipe FCU with on/off valves, ECM fan and 2x universal input with optional electrical heater application, fit for both round and square conduit boxes

Flush-mount room thermostat for round and square conduit boxes with LCD for fan coil units and compressors

  • Modbus communications
  • For heating and/or cooling applications
  • 2 or 3-position control outputs
  • ECM fan output
  • 2 multifunctional inputs for 1) keycard contact / window contact (DI) 2) heat / cool changeover (AI & DI)
  • Operating modes: Comfort, Economy and Protection
  • Automatic or manual heating/cooling changeover
  • Adjustable commissioning and control parameters
  • Minimum and maximum setpoint limitation
  • Color of housing: signal white (RAL 9003)
  • Backlit display

Application selectable:

  • 2-pipe system
  • 4-pipe system
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Category: Communicating Thermostats
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Description
Operating voltage
AC 230 V
Power consumption
9 VA
Setpoint setting range
5…40 °C
Switching differential
0.5…6 K
Communication
RS485 Modbus
Analog inputs, number
2
Analog outputs
Fan: DC 0…10 V
Analog output, signal
DC 0…10 V
Digital inputs, number
2
Relay outputs
Fan: Normally open contact , Valve: Normally open contact
Relay outputs, number
2
Relay output, switching voltage
230 V
Relay output, switching current
5 (2)A
Surface treatment
Untreated , Matt
Type of fixing
Recessed round or square conduit box diameter min. 60 mm
Degree of protection
IP30
Dimensions (W x H x D)
86 x 86 x 36 mm
Color
White
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How-to Videos

RDF660 Installation

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