Accessory List

CC-8104
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 27
TAC System 8000 Four-Step Sequence Controller
Model Chart
Specifications
This controller operates up to four external AC
power handling relays or loads in heating,
ventilating and air conditioning systems. A second
unit can be sequenced to provide up to eight steps.
Features:
• Usable with competitive 135 Ω slidewire controllers.
• Accepts 2 to 15 volt power demand EMS signals.
• Self-contained built in controller.
• Solid state switching output.
• Standard track mounting.
Model No. Description
CC-8104 Refer to Specifications.
Construction Self-contained package with an amplifier.
Sensors
Balco 1000 ohm, requires remote setpoint adjuster (except TS-8111) AT-8100 (order separately).
Slidewire 135 ohm.
Input signals 6 to 9 Vdc or 11 to 14 Vdc from a controller.
Power demand override Contact closure or proportional 2 to 15 Vdc control signal.
Throttling range
3 or 6°F (2 or 3°C), 9°F (5°C) can be obtained by the use of AD-8969-901 (order separately).
Additional ranges obtainable through selection of resistors (not included).
Staged sequencing
35 second delay between stages and return to cold start on power interruption. For electrical ratings
refer to Maximum Electric Ratings Table.
Control output voltage 2 to 15 Vdc is available for sequencing up to two TAC System 8000 controlled devices.
Action Factory set for reverse acting, but can be made direct acting.
Power requirements 24 Vac 50/60 Hz at 13 VA plus VA of each stage, maximum 100 VA.
Power supplies available
6.2 Vdc (5.8 to 6.6 Vdc) 7 mA.
a
a
These regulated and filtered power supplies must not be connected to +20 (red) or +6.2 of other power supplies.
20 Vdc (18.5 to 21 Vdc) 50 mA.
a
Environment
Ambient temperature limits
Shipping and storage: -40 to 140°F (-40 to 60°C).
Operating: 40 to 125°F (4 to 52°C).
Humidity 5 to 95% RH, non-condensing.
Locations NEMA Type 1.
Connections Coded screw terminals for 16 to 20 AWG.
Cover Aluminum.
Mounting In any position. Unit is provided with a section of plastic track for panel installation.
Dimensions 4 H x 9-1/2 W x 2-1/2 D in. (102 x 241 x 63 mm).
General Instructions Refer to F-15809.
C
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8104