WT-4000 Series Pneumatic-to-Direct Digital Control (DDC) Room Thermostats Installation Instructions
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WT-4000 Series Pneumatic-to-DDC Room
Thermostat Configuration Parameters
The variables included in Table 3 define the
WT-4000 Series Pneumatic-to-DDC Room Thermostat
configuration parameters and regulate room thermostat
operation.
Table 3: WT-4000 Series Room Thermostat Configuration Parameters (Part 1 of 2)
Parameter
Description
Configuration
Method
Occupied Mode
Setpoint value
Zone setpoint temperature
Configuration tool
Comfort Zone upper delta;
default = 3F° (1.8C°)
Upper temperature bound on deviation from configuration
parameters setpoint during Occupied Mode
Configuration tool
Comfort Zone lower delta;
default = 3F° (1.8C°)
Lower temperature bound on deviation from parameter setpoint
during Occupied Mode
Configuration tool
Unoccupied Mode
Constrained float upper limit;
default = 85°F (29°C)
Defines upper temperature limit in Unoccupied Mode;
HVAC equipment remains off while the zone temperature is
between the upper and lower limits
Configuration tool
Constrained float lower limit;
default = 55°F (13°C)
Defines lower temperature limit in Unoccupied Mode;
HVAC equipment remains off while zone temperature is
between the upper and lower limits
Configuration tool
Override Mode
Override duration;
default = 120 minutes
Room thermostat override duration (240 minute maximum
duration); after time limit expires, room thermostat goes into
regularly scheduled mode
Configuration tool
Override Mode
Comfort Zone upper delta;
default = 14F° (8.4C°)
Comfort Zone upper delta during Override Mode
Configuration tool
Override Mode
Comfort Zone lower delta;
default = 14F° (8.4C°)
Comfort Zone lower delta during override Mode
Configuration tool
Other Parameters
Network configuration
(Net Config)
CH: To change the radio channel number; default = 11
GI: To change the device network group ID; default = 111.111
DI: To change the unique thermostat device ID; default = 71.40
Configuration tool,
room thermostat
Operational modes
1: Occupied
2: Unoccupied
Factory configured
Dead zone delta;
default = 1F° (0.6C°)
Temperature range around setpoint, to prevent HVAC from
chattering
Configuration tool
Room thermostat protection
zone – upper limit;
default = 95°F (35°C)
Maximum temperature allowed in zone; fail-safe feature
applicable to all zones
Factory configured
Room thermostat protection
zone – lower limit;
default = 40°F (4°C)
Minimum temperature allowed in zone; fail-safe feature
applicable to all zones
Factory configured
Default Occupied Mode start
time in the event of wireless
communication failure;
default = 06:00 A.M.
Time of day (0 to 24 hours) in the event the room thermostat
goes offline for an extended duration
Factory configured
