EN-31
EN
Supply air fan operation check state (C = on; O = off)
Return air fan operation check state (C = on; O = off)
Fire detection sensor check state (F = no fire; O = fire detected)
Rotary heat exchanger operation check state (F = on; O = fault)
Changeover thermostat state (Cooling or Heating)
State of electric pre-heater (F = on without fault, O = off or faulty)
State of electric heater heating (F = on without fault, O = off or faulty)
Hydraulic coil 1 pump operation check state (F = on, O = off)
Hydraulic coil 2 pump operation check state (F = on, O = off)
Humidifier operation check state (F = on without fault, O = de-energised or faulty)
Elec. heater load shedding
Electric heater load shedding monitoring state (C=No electric heater start-up, O=Electric heater
Remote control status (C = on; O = off) or "Presence detection"
(C = presence, O = no presence)
2.5.2 Outputs
Supply air fan control value
Return air fan control value
Water coil No.1 valve control value in "Cooling" mode (or Heating)
Water coil No.2 valve control value in "Heating" mode (or Cooling)
Heat exchanger wheel speed control value
Screen visible for "Ceiling-Mounted" or "Vertical" units
Heat exchanger bypass damper opening valve
Heat exchanger bypass control state ( = open; = closed)
"Danger" fault summary relay state
"Maintenance" fault summary relay state
Unit insulation damper control state
State of electric heaters control 1
State of electric heaters control 2