Sequence Of Operation; Occupancy Control; Temperature Setpoint Control - Distech Controls ECL-PTU-207 User Manual

Sequence of Operation

Sequence of Operation

Occupancy Control

The nvoEffectOccup (nvoFP02) is managed based on nviSchedule and RoomOccupancy (BV2)
The nviSchedule is usually received from the network and the RoomOccupancy (BV2) is based on
motion detection and occupancy overrides.
The following table describes the sequence of operation for the occupancy control:
nviSchedule
Occupied
Unoccupied
Bypass
Standby
Table 2: Occupancy Control
1. If no motion is connected and schedule is unoccupied, the bypass mode is activated for 60 min-
utes if the room occupancy is set to occupied (EC-Smart-Vue, EC-Smart-Sensor and EC-Smart-
Comfort).
Motion Hold Time
After the last occupancy detection, RoomOccupancy (BV2) is maintained to OCCUPIED for 15 min-
utes (motion hold time default value). If no detection happens during this periodnvoEffectOccup
(nvoFP02) is set to STANDBY (if nviSchedule = OCCUPIED) or UNOCCUPIED (if nviSchedule = UN-
OCCUPIED). When nviSchedule is UNOCCUPIED, this motion hold time is divided by 3.

Temperature Setpoint Control

The actual setpoints nvoEffectHeatSp and the nvoEffectCoolSp are computed according to nvoEffec-
tOccup (nvoFP02)nvoSetPtOffset
nvoEffectOccup (nvoFP02)
Occupied or Bypass
Standby
Unoccupied
Table 3: Actual setpoints values
The effective setpoint nvoEffectSetpt is computed according to HvacModeStatus:
HvacModeStatus value
Heat or Off
Cool
Table 4: Effective setpoint value
40
RoomOccupancy (BV2)
Occupied
Unoccupied
Occupied
Unoccupied
Occupied
Unoccupied
Occupied
Unoccupied
nvoEffectHeatSp
OccHeatSP (nciSetpoints) +
nvoSetPtOffset
StandbyHeatSP (nciSetpoints) +
nvoSetPtOffset
UnoccHeatSP (nciSetpoints)
nvoEffectSetpt
nvoEffectHeatSp
nvoEffectCoolSp
nvoEffectOccup (nvoFP02)
Occupied
Standby
Occupied
Unoccupied
Occupied / Bypass
1
Standby
Occupied
Standby
nvoEffectCoolSp
OccCoolSP (nciSetpoints) +
nvoSetPtOffset
StandbyCoolSP (nciSetpoints) +
nvoSetPtOffset
UnoccCoolSP (nciSetpoints)
ECL-PTU-207 Preloaded Applications