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Use
CE1N3573E
17.08.2001
ACR12.320/ALG
ACR12.340/ALG
Fan coil controller
for wall mounting
Pulse width modulated (PWM) valve outputs for thermic actuators, AC 230 V
P or PI control behaviour selectable
3-speed fan control, automatic and manual
Manual switching between heating and cooling operation, or automatic with
changeover (C/O) sensor QAH11
Potential-free input for window contact or occupancy detector
Inbuilt room temperature sensor
Three operating modes: Comfort / Economy / Standby
The status of the operating mode switch
)
( /
are memorised on power failure.
For controlling the room temperature in individual rooms and zones which are heated
and cooled by fan coils. The controllers are suitable for 2- or 4-pipe applications with
manual and automatic fan control.
For control of
• a 3-speed fan
• two valve actuator with ACR12.34x/ALG for 4-pipe applications
• a valve with an electric heater up to 2850 VA with ACR12.32x/ALG
for 2-pipe applications
ACR12.321/ALG
ACR12.341/ALG
ACR12.3x0
ACR12.3x1
(
è
è
è
è
) and changeover switch
Siemens Building Technologies
HVAC Products
3
573
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Related Manuals for Siemens ACR12.3 1 Series
Summary of Contents for Siemens ACR12.3 1 Series
- Page 1 For control of • a 3-speed fan • two valve actuator with ACR12.34x/ALG for 4-pipe applications • a valve with an electric heater up to 2850 VA with ACR12.32x/ALG for 2-pipe applications Siemens Building Technologies CE1N3573E HVAC Products 17.08.2001...
- Page 2 In standby operation, the controller is permanently set to an 8 °C heating setpoint. Adjustment is prohibited, due to the norms of individual countries. Cooling operation is not possible. 2/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products...
- Page 3 P-band electric heater Positioning variable Heating output with ACR12.32x/ALG + ACR12.34x/ALG c/o activated Electric heater output with ACR12.32x/ALG Cooling output with ACR12.32x/ALG + ACR12.34x/ALG, c/o deactivated 3/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001...
- Page 4 I in the neutral zone (control-free zone) or be switched off.The fan start from 0 to stage 1 is linked with a booster call instruction, to beginn with stage 3 for 1 s to warrent a safety start. 4/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products...
- Page 5 Various settings can be made on the printed circuit board of the device using a 12 way DIP switch (see the following diagram). For changes to take effect, the device must be disconnected from the power supply. 5/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products...
- Page 6 Control output for fan speed 1 / AC 230 V Control output for fan speed 2 / AC 230 V Control output for fan speed 3 / AC 230 V 6/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001...
- Page 7 ACR12.320/ALG or ACR12.321/ALG controller Control output for electric heater Window contact, occupancy detector In N1 application, heating valve. In N2 application, cooling or heating valve (changeover) Cooling valve 7/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001...
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Page 8: Safety Check
‘Schrack’ Type RT214730 ( 230 VAC input ; 12 Amps/250V relais contact ). For this Recommended type a rail adapter is available (Schrack RT78625). relais type: 8/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001... -
Page 9: Power Supply
Changeover- or return air sensor B2 - M Inputs Voltage against earth AC 230 V Cable length max. Temperature sensor QAH11 (NTC Element) 9/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001... - Page 10 Product safety Automatic control devices for use in the home and similar applications EN 60730-1 Special requirements for energy controllers EN60730-2-11 Housing Colour RAL 9010 10/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001...
- Page 11 Dimensions 3573M01 61,6 11/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001...
- Page 12 ã1999 Siemens Building Technologies Ltd Subject to change 12/10 Siemens Building Technologies Fan coil controller for wall mounting ACR12 CE1N3573E HVAC Products 17.08.2001...