Peco T170 Application Manual

Peco T170 Application Manual

Hospitality thermostat occupancy sensing

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T170 Hospitality Thermostat

Occupancy Sensing

HVAC
System
Control
T170 / SB200 Application Guide
OCCUPANCY
SENSOR
DOOR
SWITCH
WINDOW SWITCH
Issued 1/19/06
OCCUPANCY OPERATION:

Occupied State:

- Thermostat waits for a door open.

Door Open:

- Thermostat waits for a door close.
- If door is open more than 5 minutes the
thermostat turns the HVAC system outputs to
OFF.

Door Close:

- On door close the thermostat looks for
occupancy.
- If the thermostat find occupancy it goes to
Occupied State.
- If thermostat does not find occupancy it goes
to Unoccupied State.

Unoccupied State:

- the thermostat goes into unoccupied setback
mode, as determined by factory or user settings.
- Thermostat continues to monitor the
occupancy sensor and will go to Occupied State
if it see occupancy.

Door/ Window Switch Only:

- Thermostat will disable the HVAC outputs if
open for longer than 5 minutes.
ISSUES:
- Timing of return to occupied temperature.
- Thermostat display in unoccupied setback
mode.

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