User Manual

ManualsBrandsSiemens ManualsAir ConditioningRLA162.1

CE1N3336en

24.10.2005

Building Technologies

HVAC Products

336

Synco™ 100

Room Temperature

Controller

RLA162.1

with 2 outputs DC 0…10 V plus operating mode selector

Room temperature controller for basic ventilation, air conditioning and heating

plants. Compact design with 2 analog control outputs DC 0…10 V for heating

and/or cooling. Option for external connected temperature sensor (LG-Ni 1000).

Use

Plant types:

• Small ventilation or air conditioning plants with own air handling section

• Small heating plants

• Heating section of larger ventilation or air conditioning plants

• Ventilation zones of ventilation or air conditioning plants with central air handling

Building types:

• Small residential buildings

• Non-residential buildings of all types

• Apartments with a suitable reference room

• Individual rooms (e.g. conference rooms, training centers)

Devices that can be controlled:

• Heating valve actuators

• Cooling valve actuators

• Variable speed drives

• Air damper actuators

• Current valves of electric air heater batteries

Summary of content (8 pages)

PAGE 1
3 336 Synco™ 100 RLA162.1 Room Temperature Controller with 2 outputs DC 0…10 V plus operating mode selector Room temperature controller for basic ventilation, air conditioning and heating plants. Compact design with 2 analog control outputs DC 0…10 V for heating and/or cooling. Option for external connected temperature sensor (LG-Ni 1000).
PAGE 2
Functions Main function • Control of the room or air temperature through modulating control of the actuating device on the water- or air-side with selectable operating action of the control signals for heating only or cooling only or heating and cooling Other functions • • • • • Connection of an external temperature sensor (LG-Ni 1000) Outside temperature compensation (QAC160 active sensor) Operating mode selection (Comfort, Economy, Standby) Setpoint changeover via external contact Test mode as a commi
PAGE 3
Note The relay contact (L–Q1) is purely a manual contact enabled and disabled by the selector switch as described above. The relay is independent of the temperature control functions provided by the controller.
PAGE 4
w Summer compensation (operating action Cooling): If the outside temperature rises from 22 °C to 35 °C, wN + 10 K the setpoint will be continuously raised by 5 K wN + 5 K (LOW) or 10 K (HIGH).
PAGE 5
All functions are selected via the DIP switch block, which comprises 5 switches: Function 1 2 Operating mode 3 4 5 Action Heating and cooling in sequence 2-stage heating 1-stage cooling 1-stage heating Control mode PI (integral action time 600 s) P Test mode Test mode Normal operation Outside temperature compensation HIGH LOW Engineering notes Only one contact is needed to cut the voltage supply when switching off the control system (e.g. time switch).
PAGE 6
Technical data Power supply Operating voltage Frequency Power consumption AC 24 V ±20 % 50 / 60 Hz max. 2 VA Functional data Setting range nominal setpoint Setting range setpoint changeover P-band Integral action time with PI control Dead zone with heating and cooling in sequence Control outputs Y1, Y2 Voltage Current Max. cable length copper cable 1.5 mm2 For signal input B1 For switching input D1 Relay output L, Q1 Voltage Current Contact sensing (input D1–M) 8…30 °C 0…10 K 1…50 K 600 s 1.
PAGE 7
Connection terminals B1 G0 M U9 D1 GND L Q1 Y1 Y2 3336G01 G G U9 B1 D1 G G0 GND L, Q1 U9 Y1 Y2 External temperature sensor Input for operating mode changeover Operating voltage AC 24 V, system potential SP Operating voltage AC 24 V, system neutral SN Ground Relay output, AC 24…230 V Outside temperature sensor DC 0…10 V Control output DC 0…10 V Control output DC 0…10 V 3336A01 Connection diagrams SP AC 24 V B M B1 B1 M Y1 Y2 G0 D1 GND Q1 L N1 L G G0 Y R M U E1 Y1 N SN Room/a
PAGE 8
Application examples ∆p ∆p T B1 N1 3336S01 Y1 Supply air temperature control through control of the heating valve, with manual switching of the supply fan via operating mode selector switch U9 ∆p ∆p N1 Y1 B1 3336S02 T Y2 Extract air temperature control through control of the heating and cooling valve, with outside temperature compensation B1 N1 U9 Y1 Y2 Duct temperature sensor QAM22 Temperature controller RLA162.