User Manual

Application Sheet INT201
Fan coil unit with staged fan, heating and cooling coil (4 pipe) on
triac output including lighting and blinds operation
DXR2..10-
101A
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Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2019-02-21
A6V10662235_en--_c_--_03
∂ Heating with LTHW and cooling with CHW
∂ Modulating control of heating and cooling valve (4 pipe) on triac output
∂ Automatic or manual 3-speed fan control
∂ Including the control of 4 lighting zones & 2 blinds
∂ Room temperature and fan speed operation via KNX PL-Link room operator unit with temperature
measurement & lighting and blinds operation
Plant diagram
DXR2… Room automation station
B1 Extract air temperature sensor Q6, Q7 2 blinds motors
B3 Supply air temperature sensor R Room
D1 Window contact R1 Room operator unit with
D2 Presence detector temperature sensor
Q1 3-speed fan YC Cooling coil valve
Q2, Q3, 4 lighting zones YH Heating coil valve
Q4, Q5
Function diagrams Heating/cooling valves 1-2-3 speed fan
Q Fan output signal SpH Effective heating setpoint
Q1.1 Fan speed 1 TR Room temperature
Q1.2 Fan speed 2 Y Valve output signal
Q1.3 Fan speed 3 YC Cooling coil valve
SpC Effective cooling setpoint YH Heating coil valve