Data Sheet for Application

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
2 / 8
Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2021-09-02
A6V10662235_en--_d_--_03
Description
of functions
Basic functions
Options
HVAC
• PID control for heating and cooling.
• The 4 pipe system provides hot and chilled water for
the heating coil and the cooling coil.
• 3-position valves are controlled by triac outputs for
cooling and heating.
• The fan is controlled manual on the room operator unit
or automatic in 3 speeds.
• The temperature is measured in the room operator
unit.
• The application allows customers to adjust the room
temperature setpoints via the room operator unit
including the operation of lighting and blinds.
• The operating modes are Comfort, Pre-Comfort,
Economy and Protection.
• Change of operating mode via room unit, presence
detector, window contact or central command.
• The air flow for heating and cooling is operated in
sequence to the valves. Parallel operation can be
configured.
HVAC
• Optimal energy efficiency by including the option for
room/supply air cascade control, presence detector or
window contact.
• Optional system alarms displayed on the management
station notify building operators of possible faults.
• Optional trends can be activated for room sensors.
Lighting
• The application allows room users to control lighting
via a standard function switching and/or
• The application allows customers to control lighting
operation via room unit.
Lighting
• Optional system alarms displayed on the
management station notify building operators of
possible faults (e.g. defective electronic control gear
or lamps).
• Optional trends can be activated for room lighting.
Blinds
• The application allows room users to operate the
blinds via the following commands:
o Move up/down
o Step up/down
• The reference model applied ensures exact
positioning of the shading products.
• The application allows customers to control shading
operation via room unit.
Blinds
• Optional system alarms displayed on the
management station notify building operators of
possible faults (e.g. defective actuator).
• Reliable, central override of local operation only for
emergencies, service, and cleaning.
• Central weather protection function preventing
damages to shading products due to high winds or
frost.
• Optional trends can be activated for room blinds.