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13. 4BP2, Condenser pressure
14. 4BT7, Compressor discharge temperature
15. 4BT8, Economizer leaving refrigerant temperature
16. 4M2, Evaporator EXV
17. 4M4, Economizer EXV
18. 4M6, Drive cooling EXV
19. 4BT4, Drive cooling supply temperature
20. 4M5, Inlet guide vane second stage actuator
21. 4B1, Condenser liquid level
22. 4M3, Motor bearing control cooling EXV
23. 4M8, Motor cooling EXV
24. 4Y1, Wi-Fi antenna
25. 4K4, Air-Fi® antenna
Optional Control and Output Circuits
Install various optional wiring as required by the owner’s
specifications (refer to “System Control Circuit Wiring (Field
Wiring),” p. 38).
Schematic Wiring Drawings
Please refer to the submittals and drawings that shipped
with the unit. Additional wiring drawings for Agility™ chillers
are available from your local Trane office.
Adaptive Frequency Drive
The Trane TR200 Adaptive Frequency™ Drive (AFD) is an
electronic motor controller that converts alternating current
(AC) mains input into a variable AC waveform output. The
frequency and voltage of the output are regulated to control
the motor speed or torque. The TR200 drive includes the
following features:
• Soft start to minimize inrush current
• Improved harmonic mitigation with direct current (DC)
link reactor
• Integrated power fuse
• Graphical liquid-crystal display (LCD) keypad
• Unit-mounted with factory pre-wiring
• “Trane Drive Utility” for configuration and tracking
Programming
NOTICE
Equipment Damage!
Changing default clockwise phase rotation or
enabling phase reversal protection could prevent
proper chiller operation or cause equipment damage.
• Do NOT change Adaptive Frequency™ drive
(AFD) phase rotation to counterclockwise.
• Do NOT enable phase reversal protection.
Field replacement drives must be programmed via the
keypad interface. Contact your local Trane Service Agency
for assistance.
Building Automation Systems
BACnet Building Automation Control
Network
The BACnet® control network for Symbio™ 800 expands
communications from the unit controls network to the
Tracer® Ensemble™ or Tracer® SC+ building automation
system (BAS) or third party building automation system.
Utilizing BACnet, the BAS allows external setpoint and
configuration adjustment and monitoring of status and
diagnostics. The Symbio 800 utilizes the BACnet defined
TP protocol as defined in ASHRAE standard 135-2004.
This controller works in standalone mode, with Tracer
Ensemble, Tracer SC+ or when connected to a third party
building automation system that supports BACnet.
Modbus Automation Control Network
Allows the user to easily interface with Modbus® RTU
communication protocol via a single twisted pair wiring or
Modbus® TCP over Ethernet from the Symbio™ 800
controller to a factory installed device.
LonTalk Building Automation Systems
The LonTalk® communication protocol for the Symbio™
800 controller expands communications from the unit
controls network to a Tracer® Ensemble™ building
automation system or third party building automation
system. Utilizing LonTalk, the BAS allows external setpoint
and configuration adjustment and monitoring of status and
diagnostics. The Symbio 800 utilizes an FTT-10A free
topology transceiver, which supports non-polarity sensitive,
free topology wiring—which in turn allows the system
installer to utilize star, bus, and loop architectures. This
controller works in standalone mode, peer-to-peer with one
or more other units, or when connected to a Tracer
Electrical Requirements
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