Key Operation - Peco Performance PRO T4900 School Serie Mode D'emploi

KeY oPeRaTIon

KeY oPeRaTIon KeY oPeRaTIon
system key
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used to control the operating mode of the Performance PRO T4900 Series thermostats.
The options available are dependent on System Type selected in Service Menu 110 (see
Advanced Configuration in "Performance PRO T4900 School Series Installation guide").
System modes are:
HEAT – Select for the system to operate in heating mode only. Only one setpoint is
displayed.
COOL – Select for system to operate in cooling mode only. Only one setpoint is displayed.
AuTO – Allows system to control to both the Heat and Cool Setpoints. The system will
automatically changeover between heating and cooling modes as room temperature
varies. Cool Setpoint must always be greater than Heat Setpoint by the deadband value.
OFF – Disables all thermostat outputs; only zone temperature and time are displayed.
EMERgENCY (Em)– Emergency heat can be used when the Heat Pump cannot keep up
with the heat load. use Service Menu 110 (System Type 6 & 11) to enable.
note: Deadband is the user-defi ned minimum difference between the Cool Setpoint and
Heat Setpoint (see Service Menu 380).
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