TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions
17
Table 4: Selection Options for Sequence of Operation in Four-Pipe Applications
Selection
Option
Control
Curve
Terminal Numbers Used (See Table 1 and Figure 5.)
On/Off Control
Floating Control
Proportional
0 to 10 VDC Control
(0): Cooling Only
See Figure 20.
10:
Normally Open
(N.O.) Cooling
11:
Normally Closed
(N.C.) Cooling
10:
Open Cooling
11:
Closed Cooling
10:
Proportional Cooling
(1): Heating Only
See Figure 21.
8:
N.O. Heating
9:
N.C. Heating
8:
Open Heating
9:
Closed Heating
9:
Proportional Heating
(2): Cooling and Reheat
See Figure 22.
6 and 7:
Reheat
10:
N.O. Cooling
11:
N.C. Cooling
6 and 7:
Reheat
10:
Open Cooling
11:
Closed Cooling
6 and 7:
Reheat
10:
Proportional Cooling
(3): Heating and Reheat
See Figure 23.
6 and 7:
Reheat
8:
N.O. Heating
9:
N.C. Heating
6 and 7:
Reheat
8:
Open Heating
9:
Closed Heating
6 and 7:
Reheat
9:
Proportional Heating
(4): Cool/Heat Four-Pipe
See Figure 24.
8:
N.O. Heating
9:
N.C. Heating
10:
N.O. Cooling
11:
N.C. Cooling
8:
Open Heating
9:
Closed Heating
10:
Open Cooling
11:
Closed Cooling
9:
Proportional Heating
10:
Proportional Cooling
(5): Cool/Heat Four-Pipe
and Reheat
See Figure 25.
6 and 7:
Reheat
8:
N.O. Heating
9:
N.C. Heating
10:
N.O. Cooling
11:
N.C. Cooling
6 and 7:
Reheat
8:
Open Heating
9:
Closed Heating
10:
Open Cooling
11:
Closed Cooling
6 and 7:
Reheat
9:
Proportional Heating
10:
Proportional Cooling
Figure 20: Cooling Only,
Two- or Four-Pipe Applications
Temperature Increase
(Increments of 1F°/0.5C°)
Device Closed
Cooling Setpoint
Device Opened
On/Off, Floating,
or Proportional
Output
F
IG
:c
ln
g
_
n
ly
Figure 21: Heating Only,
Two- or Four-Pipe Applications
Temperature Increase
(Increments of 1F°/0.5C°)
Device Closed
Heating Setpoint
Device Opened
On/Off, Floating,
or Proportional
Output
F
IG
:h
tn
g
_
n
ly
Figure 22: Cooling with Reheat,
Two- or Four-Pipe Applications
Temperature Increase
(Increments of 1F°/0.5C°)
Heating Setpoint
Device
Closed
Cooling Setpoint
Device
Opened
F
IG
:c
ln
g
_
w
th
_
rh
t
Deadband
Reheat
On/Off, Floating,
or Proportional
Outputs
Heating Output
Cooling Output
Off
Off
On
On
