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14. Press
to confirm the selection.
15. Press
to go back to the previous screen
button when done.
Note: If the configuration screen is left idle for
10 seconds, it returns to the normal operation screen.
Table 2: WT-4000 Series Room Thermostat Configurable Settings
Settings
Details
Net Config
CH – to change the radio channel number
GI – to change the device network group ID
DI – to change the unique thermostat device ID
Direction
Direct acting – branch line pressure increase
turns on cooling; decrease turns on heating
Reverse acting – branch line pressure increase
turns on heating; decrease turns on cooling
Setpoint,
Branch line pressure when the room
psig (kPa)
temperature and setpoint are equal (heating
and cooling outputs are off)
Gain/
Branch line pressure change needed to change
Sensitivity
the room temperature by 1F° (0.6C°)
Proportional
Temperature range that represents movement
Band –
of the controlled device from fully closed to fully
Proportional
open; typically 6F° (3.6C°) or 4 psi (28 kPa)
Range/
Throttling
Range
Unoccupied
Branch line pressure during the Unoccupied
Mode,
Mode (heating and cooling outputs are off)
psig (kPa)
WT-4000 Series Pneumatic-to-Direct Digital Control (DDC) Room Thermostats Installation Instructions
Commissioning
Table 2 includes a list of configurable settings that
define how WT-4000 Series Room Thermostat
pneumatic pressure commands correlate with the
temperature values. Refer to the HVAC equipment
documentation or service personnel for the actual
values that should be configured on the room
thermostat.
Range
Operational
11 through 26
Two fields separated
by a period; both fields
are 1 through 255
Two fields separated
by a period; first field
is 1 through 159, and
second field is
1 through 246
Pneumatic
N/A
1 to 22 psig
(7 to 152 kPa)
1 to 5 psi/F°
(13 to 65 kPa/C°)
0 to 10F°
(0 to 6C°)
0 to 22 psig
(0 to 152 kPa)
12
Increments
System
Defaults
1
11
1
111.111
1
71.40
N/A
Direct
acting
0.5 psig
9 psig
(3 kPa)
(62 kPa)
0.5 psig
2 psi/F°
(3 kPa)
(26 kPa/C°)
1F°
6F°
(0.6C°)
(3.6C°)
0.5 psig
0 psig
(3 kPa)
(0 kPa)
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