Fan Coils - Hitachi YUTAKI RWM-2R1E Installation & Operation Manual

UNIT CONTROLLER (PC-ARFH2E)

9.13.4.8 Fan coils

221 PMML0575 rev.2 - 03/2022
Controlled fan zones:
Fan coil usage assignation in function of Mode and Room:
• Deactivated
• Heating
• Cooling
• Heating & Cooling
Delay ON time:
Delay time to start Fan operation for Fan 1 or Fan 2 only in
heating operation. Purpose of this control is to make sure water
temperature at fan coil is hot enough before fan is started in order
to ensure user comfort.
Demand OFF Actions:
The purpose of this control is to enhance user comfort by allowing
to stop fan or keep it in operation when Demand OFF conditions
by room temperature are fulfilled.
The best user comfort is typically achieved by stopping the fan
in heating applications and keeping it in operation for cooling
operations.
Configure the Demand OFF action for Heating or Cooling
operation in Room 1 or Room 2.
• Nothing
• Stop fan