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Distech Controls RT Series User Manual

Distech Controls RT Series
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26
For multi stage models, heat cph
applies to W1 & W2
For heat pump models, heat cph
applies to W1 only
(Emergency heat )
maximum number of cycles that the equipment will turn ON
and OFF in one hour.
Note that a higher C.P.H will represent a higher accuracy of
control at the expense of wearing mechanical components
faster.
3, 4, 5, 6,7 & 8 C.P.H.
cool cph
Cooling stages cycles per hour
Default value = 4 C.P.H.
For multi stage models, cool cph
applies to Y1 & Y2
For heat pump models, cool cph
applies to Y1 & Y2 in cooling and
heating independently of the
reversing valve position
Will set the maximum number of cooling stage cycles per
hour under normal control operation. It represents the
maximum number of cycles that the equipment will turned on
and off in one hour.
Note that a higher C.P.H will represent a higher accuracy of
control at the expense of wearing mechanical components
faster.
3 or 4 C.P.H.
Deadband
Minimum deadband
Default value = 2.0 °F ( 1.1 °C )
Minimum deadband value between the heating and cooling
setpoints. If modified, it will be applied only when any of the
setpoints are modified.
2, 3 or 4 °F ( 1.0 to 2.0 °C )
fan cont
Fan control
Default value = On
For multi stage models, fan control
applies to W1 & W2
For heat pump models, fan control
applies to W1 only (Emergency
heat)
Fan control in heating mode.
When selecting On; the thermostat in all cases will always
control the fan (terminal G).
Valid for On or Auto fan mode
When selecting Off; the fan ( terminal G ), when heating
stages ( terminals W1 & W2 ) are solicited, will not be
energized. The fan in this case will be controlled by the
equipment fan limit control.
Valid only for Auto fan mode. On fan mode will leave the fan
always on.
On or Off
fan del
Fan delay
Default value = Off
Fan delay extends fan operation by 60 seconds after the call
for heating or cooling ends.
Valid only for Auto fan mode. “On” fan mode will leave the fan
always on.
Off or On
ToccTime
Temporary occupancy time
Default value = 3 hours
Temporary occupancy time with occupied mode setpoints
when override function is enabled
When the thermostat is in unoccupied mode, function is
enabled with either the menu or DI1 or DI2 configured as
remote override input.
0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 & 12 hours
cal RS
Room air temperature sensor
calibration
Default value = 0.0 °F or °C
Offset that can be added/subtracted to actual displayed room
temperature
± 5.0 °F ( ± 2.5 °C )
cal OS
Outside air temperature sensor
calibration
Default value = 0.0 °F or °C
Offset that can be added/subtracted to actual displayed
outside air temperature
± 5.0 °F ( ± 2.5 °C )
H stage
Number of heating stages. Applicable
to 2 stage models only
Default value = 2 stages
For heat pump models, H stage is
limited to 1 stage only (W1 Aux.
Heat)
Will revert the operation of 2 stages thermostat to single stage
operation only when the second heating step is not needed.
1 or 2 stages
C stage
Or
HP stage
Number of cooling stages
2 stages model only
Default value = 2 stages
For heat pump models, HP stage
Will revert the operation of 2 stage thermostat to single stage
operation only when the second cooling step is not needed.
1 or 2 stages

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Distech Controls RT Series Specifications

General IconGeneral
BrandDistech Controls
ModelRT Series
CategoryThermostat
LanguageEnglish

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