Viconics VTR8300 Line Voltage Application Guide Manual do Utilizador descarregar pdf (Página 20)

VTR8300 Fan Coil ControllerApplication Guide

028-6047-03 www.viconics.com | sales@viconics.com February 2015

The PIR can maximize

your energy saving from

10-30% by relaxing

temperature set points in

unoccupied zones during

scheduled periods.

Typical Savings of 10-30%

0 2

4 6 8 10 12 14 16 18 20 22 24

Time of Day (EST)

Energy Usage (KWh)

10%

20%

30%

40%

50%

Saving Percentage

Typical Consumption PIR Thermostat Consumption Savings

APPENDIX A - PASSIVE INFRA-RED (PIR) MOTION DETECTOR COVER SPECIFICATIONS

Initially, the controller is in Stand-by mode. Stand-by setpoints are used at the controller. As soon as the

PIR detects motion, the Occupancy status switches to Occupied and the Stand-By Time timer is reset. The

Occupied setpoints are used. If no motion is detected in the room for the entire Stand-By Time duration

(adjustable parameter), the room then switches to Stand-by mode and stand-by setpoints are used. While in

Stand-by mode, if no motion is detected for the entire Unoccupied Time period (adjustable parameter), the

room switches to Unoccupied mode and uses its Unoccupied setpoints. While in Stand-By or Unoccupied

mode, any motion will switch the room back to Occupied mode.

PIR cover sequence of operation

Typical Detection Pattern for PIR Lens

Energy savings

Horizontal Angles (Typical)

Transverse motion: 4-5 ft/s

/ 1.5 m/s

Recommended installation

height for PIR sensor:

4 - 5 ft. / 1.2-1.5 m

Sensor Ranges

A = 20 ft. / 6.1 m

B = 14 ft. / 4.3 m

C = 11 ft. / 3.4 m

Center

Vertical Angle (Typical)

Center

1 2 ... 15 16 17 18 19 20 21 22 23

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