Distech Controls RT Series User Manual

29
min pos
Minimum position
Default value = 0%
Outside air damper minimum position.
Will be active only when fan is on ( G terminal ) and the
internal or remote scheduling is in occupied mode.
When internal or remote scheduling is in unoccupied mode
and/or fan is off, minimum position will be set to 0%
0 to 100 % = 0 to 10 Vdc output range
C mech
Mechanical cooling allowed
Default value = Off
In Cooling mode.
Allows the operation of the mechanical cooling if the free
cooling ( economizer ) cannot maintain the cooling setpoint.
Off Typically applies when the MS ( mixed air temperature
sensor ) is installed after the mechanical cooling refrigeration
coils. In this case, mechanical cooling will never operate at the
same time as free cooling.
On Typically applies when the MS ( mixed air temperature
sensor ) is installed before the mechanical cooling
refrigeration coils in the mixing plenum. In this case,
mechanical cooling is allowed when the free cooling (
economizer operation ) cannot maintain the cooling setpoint.
Off or On
mix stpt
Mixed air setpoint
Default value = 55 °F ( 13.0 °C )
Free cooling mixed air setpoint when economizer mode is
enabled.
50 to 90 °F ( 10.0 to 32.0 °C )
MS dis
Display mixed air temperature
Economizer model only, only if sensor
is installed
Used as diagnostic / service help to troubleshoot and
diagnose economizer operation.
Outside air
percentage
0%
5%
10%
15%
20%
25%
30%
Setting for 0-10
Vdc Actuator
0%
5%
10%
15%
20%
25%
30%
Setting for 2-10
Vdc Actuator
0 to
20%
24%
28%
32%
36%
40%
44%

Distech Controls RT Series Specifications

General

Brand	Distech Controls
Model	RT Series
Category	Thermostat
Language	English