TEC2664Z-3 BACnet® MS/TP Rooftop Controller for Stand-Alone and Networked Zoning Systems
Installation Instructions
11
C stage Sets the number of Cooling stages.
Default: 2
(1): One stage of cooling
(2): Two stages of cooling
Note: Two-stage rooftop controller operation reverts to one-stage
operation only when the second cooling step is not required.
H lock
5
Discontinues Heating operation in
response to the outside air
temperature. Requires that an
outside air temperature sensor be
installed and connected.
Default: 120.0°F/49.0°C
Range: -15.0°F/-26.0°C to 120.0°F/49.0°C
C lock
5
Discontinues Cooling operation in
response to the outside air
temperature. Requires that an
outside air temperature sensor be
installed and connected.
Default: -40.0°F/-40.0°C
Range: -40.0°F/-40.0°C to 95.0°F/35.0°C
2/4event Sets the number and configuration
of events.
Default: 2 events
(2 events): Sets up programming for the following:
Event 1 is for Occupied setpoints.
Event 2 is for Unoccupied setpoints.
(4 events): Sets up programming for the following:
Event 1 is for Occupied setpoints.
Event 2 is for Unoccupied setpoints.
Event 3 is for Occupied setpoints.
Event 4 is for Unoccupied setpoints.
Aux cont Energizes peripheral devices
(lighting equipment, exhaust fans,
and economizers).
Default: n.o.
(n.c.): Contact open = Occupied; contact closed = Unoccupied
(n.o.): Contact closed = Occupied; contact open = Unoccupied
Note: The contact toggles with the internal Occupied/Unoccupied
schedule (or the remote NSB contact if DI1 is used).
Prog rec Enables Progressive recovery.
Default: off
Note: Progressive recovery is
automatically disabled if DI1 is
configured for remote NSB.
(on): Progressive recovery enabled
Note: The programmed Occupied schedule time is the time at
which the desired Occupied temperature is attained. The rooftop
controller automatically optimizes the equipment start time.
(off): Progressive recovery disabled
Note: The programmed Occupied schedule time is the time at
which the system restarts.
Occ CL
4
If network communication is lost
with the zone controller(s), the
return air sensor controls the rooftop
controller to maintain this Cooling
setpoint.
Default: 72.0°F/22.0°C
Range: 54.0°F/12.0°C to 100.0°F/37.5°C
Occ HT
4
If network communication is lost
with the zone controller(s), the
return air sensor controls the rooftop
controller to maintain this Heating
setpoint.
Default: 70.0°F/21.0°C
Range: 40.0°F/4.5°C to 90.0°F/32.0°C
Unocc CL
4
If network communication is lost
with the zone controller(s), the
return air sensor controls the rooftop
controller to maintain this
Unoccupied Cooling setpoint.
Default: 82.0°F/28.0°C
Range: 54.0°F/12.0°C to 100.0°F/37.5°C
Table 2: Installer Configuration Menu (Part 4 of 5)
Parameter
Appearing
on Display
Description and Default Selection Options
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