Accessory List
CC-8111-xxx Series
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 29
TAC System 8000 Two-Input Controller/Relay
Model Chart
Specifications
Two-input electronic controller with proportional
output and a single state relay output for single
input, differential and reset control in HVAC
systems.
Features:
• True differential on-off controller.
• Dual capability as proportional 2 to 15 Vdc signal and
individual relay output.
• Self contained built in dual input controller.
• Standard track mounting.
Model No.
Power
Requirements
(50/60 Hz) 4 VA
Dial Adjustable Functions Pin Selectable Functions
Setpoint A
a
°F (°C)
a
Units dual marked in °F and °C. For reset control, set setpoint “B” at zero reset point. Set setpoint “A” at control point desired with no reset action from
sensor “B”.
Setpoint B
a
°F (°C)
Differential
Range
Relay
Dropout
Throttling
Range
b
(J4 Jumper)
b
For 3 Vdc output change.
Authority
Ratio
c
(J3 Jumper)
c
Number of degrees change at sensor “B” required to reset sensor “A” one degree. Example: 15:1 means a 15°F change at sensor “B” to reset
sensor “A” 1°F.
Relay
Differential
d
(J5 Jumper)
d
1.5, 2.5, 3, 3.5, 4.5, 5, 5.5, 6, 6.5, 7, 7.5 Vdc differentials can be obtained with an AD-8969-901 (ordered separately).
CC-8111-024
24
41 to 95
(5 to 35)
41 to 95
(5 to 35)
1 to 54 F°
Std. by added
res.1 to 400 F°
2 to 12 Vdc
(IV1 to COM)
Factory set
6Vdc
3,6, or 9 F°
e
(1.6, 3.4 or 5
C°)
e
Factory
set 3 F°
e
9 F° (5 C°) can be obtained with AD-8969-901 (ordered separately).
0.5
0.75
1.0
15.0
Aux.
Factory set 1
0.5
1.0
2.0
4.0 Vdc
(IV1 to COM)
Factory set 1
CC-8111-120 120
CC-8111-240 240
Sensors
Balco
1000 ohm single or dual sensor input. Three sensor input by the use of CN-8101 multipurpose
bridge.
Slidewire 135 ohm.
Controller input signal 1 to 15 Vdc.
Reset control or differential control Requires dual 1000 ohm inputs.
Action
Input A Factory set for direct acting, but can be made reverse acting.
Input B Factory set for reverse acting, but can be made direct acting.
Throttling range Refer to Model Chart.
Relay output SPDT has adjustable dropouts and selectable differential. Refer to Model Chart.
Control output
2 to 15 Vdc, 10 mA maximum, factory calibrated for 7.5 Vdc output with sensor at setpoint
temperature.
Power requirements Refer to Model Chart.
Power supplies available
6.2 Vdc
4 mA. These regulated and filtered power supplies must not be connected to +20 (red) or +6.2 of
other supplies.
20 Vdc
35 mA. These regulated and filtered power supplies must not be connected to +20 (red) or +6.2 of
other supplies.
-
8111
-xxx
r
ies