Data Sheet for Product

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Building Technologies Fan-coil controller for wall mounting ACR12 CE1N3578en
HVAC Products 03.10.2005
Technical data
Operating voltage L, N AC 230 V ±10 %
Frequency 50 /60 Hz
Power consumption 3VA (without field devices)
Fuse or circuit breaker in supply lines max. 10 A
Over-voltage category III
Max. cross-sectional area per terminal 2 wires each with 1.5 mm
2
or 1 wire with 2.5 mm
2
Fan control Q1, Q2, Q3 AC 230 V
Max. load, cos ϕ > 0.9 AC 3.3 A (note 1)
Type of automatic action according to EN60730 1.B
Electric heater Q14 AC 230 V
Max. load (purely resistive) 2000 VA (230V, 8.7 A) (note 1)
Type of automatic action according to EN60730 1.B
Triac outputs Y1, Y10 for valve actuators AC 230 V
Steady state load 3.5 VA (one thermal actuator)
Inrush current per output (<1 sec) max. 290mA
(Suited for STA21 valve actuators)
Type of automatic action according to EN60730 1.C
Changeover- or return air sensor B2 - M
Voltage against earth AC 230 V
Cable length max. 10 m
Temperature sensor QAH11 ( NTC Element 3K)
Signal input DU1- GND
Voltage (SELV), terminals open 9 V peak of a halfway rectified
sinusoidal voltage.
Short circuit current Effective value 5 mA
Cable length max. 250 m
Insulation
class II (if correctly installed)
Degree of protection IP 30 (note 2)
Pollution degree 2 according to EN60730.
(Representative of normal
household air circulation)
Operation Class 3K5 to IEC 721
Temperature 0...50 °C
Humidity < 85 % rH
Maximum height 2000 m above sea level
Transport Class 2K3 to IEC 721
Temperature –25...65 °C
Humidity < 95 % rH
- Conformity according to
EMV - directive 89/336/EWG
Power supply
Electrical connections
Outputs
Inputs
Protection class
Housing protection
Environmental
conditions
Norms and standards