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Room temperature controller Type CR24-B1
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Room temperature controller ETN-24-VAV-227-P

Room temperature controller type ALT24/SUPER

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RC 

For the individual temperature control in rooms

Reduced operating costs due to intelligent sensor technology

  • Temperature range 10 – 45 °C
  • For variable volume flow systems and 2-pipe or 4-pipe water applications
  • with integral temperature sensor

 


Optional equipment

  • Room occupant can select the operating type
  • Remote control for RC/M1

General information

Application

  • Room temperature controller for single room applications
  • Ideally suited for the control of VAV terminal units using Easy, Compact, or Universal controllers
  • Comfortable control of room temperature
  • Low energy requirement due to demand-based operating modes
  • Cooling and/or heating mode
  • Device versions with different output sequences for various ventilation and air conditioning systems, including air-water systems.


Variants

  • B1: Room temperature controller with one analogue output for cooling or heating (changeover mode)
  • B2: Room temperature controller with two analogue outputs for cooling or heating (3 point)
  • B3: Room temperature controller with three analogue outputs for cooling or heating (0 – 10 V DC and 3 point)
  • M1: Room temperature controller with two analogue outputs for cooling or heating (0 – 10 V DC)


Technical information

Function, Technical data, Specification text, Order code

  • Function
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODE

Functional description

Room temperature controller and VAV terminal unit, including control components, form a functional unit that allows occupants to control the room temperature individually and at the lowest possible energy consumption. It also allows to control the water valves of hot water or chilled water systems.
The room temperature control is a closed loop control. The controller is fitted with a temperature sensor that measures the room temperature. The setpoint value can be a constant value or it can be changed by room occupants.
The controller compares the actual value with the setpoint value and alters the volume flow rate setpoint value and/or the valve settings accordingly.
The room temperature control is P control or PI control.
Maximum energy efficiency is achieved because of demand-based operating modes that can be activated by the room occupant or at a higher level.

Operating modes
Energy-saving mode
The room temperature is so that devices will not suffer, i.e. the setpoint temperature for heating is very low, and the setpoint temperature for cooling is very high, i.e. in a room with an open window.

Stand-by mode
The setpoint temperature for heating is slightly reduced, and the setpoint temperature for cooling is slightly increased, e.g. for a room that is currently not used.

Frost
If the room temperature falls below 10 °C, the anti-freeze function is activated.

Changeover
Changeover from cooling to heating or from heating to cooling.

Boost
The room can be ventilated, heated, or cooled with maximum volume flow (qvmax) at maximum output.

Room temperature controller CR24-B1

Supply voltage24 V AC ± 20%, 50/60 Hz
Power rating3 VA
External temperature sensorType NTC, 5 kΩ, 10 – 45 °C
External setpoint value changes0 – 10 V DC corresponding to 0 – 10 K
Output for variable volume flow0 – 10 V DC, max. 5 mA
IEC protection classIII (Protective extra-low voltage)
Protection levelIP 30
EC conformityEMC according to 2004/108/EC
Dimensions (B × H × T)84 × 99 × 32 mm
Weight0.105 kg


 


 

Room temperature controller CR24-B2

Supply voltage24 V AC ± 20%, 50/60 Hz
Power rating3 VA
External temperature sensorType NTC, 5 kΩ, 10 – 45 °C
External setpoint value changes0 – 10 V DC corresponding to 0 – 10 K
Output for variable volume flow0 – 10 V DC, max. 5 mA
Output heating valve3-point, 24 V AC, max. 0.5 A, 10 VA, optimised for actuators with a runtime of approx. 150 s
IEC protection classIII (Protective extra-low voltage)
Protection levelIP 30
EC conformityEMC according to 2004/108/EC
Dimensions (B × H × T)84 × 99 × 32 mm
Weight0.105 kg


 


 

Room temperature controller CR24-B3

Supply voltage24 V AC ± 20%, 50/60 Hz
Power rating3 VA
External temperature sensorType NTC, 5 kΩ, 10 – 45 °C
External setpoint value changes0 – 10 V DC corresponding to 0 – 10 K
Output for variable volume flow0 – 10 V DC, max. 5 mA
Output for heating/cooling0 – 10 V DC, max. 5 mA
Output heating valve3-point, 24 V AC, max. 0.5 A, 10 VA, optimised for actuators with a runtime of approx. 150 s
IEC protection classIII (Protective extra-low voltage)
Protection levelIP 30
EC conformityEMC according to 2004/108/EC
Dimensions (B × H × T)84 × 99 × 32 mm
Weight0.105 kg


 


 



Room temperature controller ALT24/SUPER

Supply voltage24 V AC, 50/60 Hz
Power rating1.2 VA
External temperature sensorThermistor NTC 50 kΩ at 25 °C
Outputs 11, 12, and 1324 V AC, max. 2.6 A
Output 1424 V AC, max. 1 A
Output 15 and 16 (via jumper)24 V AC or 0 to 10 V DC, max. 5 mA
Inputs T1, IN (configurable)U/I - D/I and 0 - 10 V
IEC protection classIII (Protective extra-low voltage)
Protection levelIP 30
EC conformity

2014/30/EU (EMC Directive)
2014/35/EU (Low Voltage Directive)
2011/65/EU (Rohs conformity)

FlammabilityUL 94 V–0
Ambient temperature (operation / storage)

0 bis +50 °C / -10 bis +60 °C

Ambient air humidity (operation / storage)80 % RH
MaterialPC-ABS
Dimensions (B × H × T)92 × 80 × 22 mm
Weight0.136 kg

Specification text

Room temperature controller for the control of VAV terminal units Attractive unit for wall mounting, with a setpoint value adjuster and a push button to select the operating mode Integral temperature sensor (NTC) and input for external temperature measuring unit. Voltage output 0 – 10 V DC for connection to an electronic volume flow controller for cooling or heating and cooling in changeover mode.


Technical data

  • Supply voltage: 24 V AC, 50/60 Hz
  • Power rating: 3 VA
  • External setpoint changes: 0 – 10 V DC
  • Output for variable volume flow rate: 0 – 10 V DC


RCB1
| |
1 2
1 Type
RC
Room temperature controller

2 Variant
B1
CR24-B1
B2 CR24-B2
B3 CR24-B3
M1 ALT24/SUPER
M2 Remote control for M1

Variants

  • Varianten

Application

  • Room temperature controller CR24-B1 with one output, for single room applications
  • Cooling or heating mode (changeover)
  • Analogue output 0 – 10 V DC for the control of VAV terminal units with Easy, Compact or Universal controllers

Parts and characteristics

  • Attractive unit for wall mounting, signal white (RAL 9003)
  • Integrated temperature sensor
  • Setpoint value adjuster
  • Operating mode push button
  • Status indicator light
  • Analogue output 0 – 10 V DC for variable volume flow control
  • Analogue inputs 0 – 10 V DC for external temperature sensor and for external setpoint changes
  • Digital inputs for energy-saving mode, standby operation or changeover
  • Micro switch for configuration
  • Communication port for adjustment devices

Commissioning

  • Configure the control function using a micro switch
  • Functional test



Downloads

informazioni di prodotto

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Siamo qui per te

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Il nostro dipartimento per la gestione delle richieste ti contatterà appena possibile.
Per domande di carattere generale riguardanti i nostri prodotti o servizi, è possibile contattare:
Tel.: +39 029829741 | Fax: +39 029829760