Controls; Unit Controller - Trane SCWM Series Installation, Operation And Maintenance Manual

Controls

Unit Controller

The MSC uses the UC600 control platform for monitoring
and control. XM expansion modules are used to expand
the UC600's I/O capabilities.
In the control panel, the following modules are used:
• UC600
• TD7-touch screen display and user interface
• XM70.1
• XM32.2
• XM32.3
• XM32.12
• XM32.4 (70-80 ton units only)
• XM30.5 (70-80 ton units only)
• XM30.6 (70-80 ton units only)
• XM32.13-GBAS option
• XM30.14-GBAS option
• XM30.15-GBAS option
Table 23. Points list
Hardware
Connection
PI
BO1
BO2
BO3
BO4
AO1/UI9
AO2/UI10
AO3/UI11
AO4/UI12
UC600 AO5/UI13
AO6/UI14
UI1
UI2
UI3
UI4
UI5
UI6
UI7
UI8
PKG-SVX027A-EN
Point Name
Supply Duct Static Pressure Sensor
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Water Side Economizer
High Duct Temp Cutout (Optional)
Compressor 1 Speed Command
Compressor 1 High Pressure Cutout
Compressor 2 High Pressure Cutout
Compressor 2 Safety Circuit Stauts
Compressor 3 High Pressure Cutout
Compressor 3 Safety Circuit Status
Discharge Air Temperature Local
Entering Air Temperature Local
ESTOP
Exterior Auto/Stop
Compressor 1 Status
Occupancy Input
Note: The number after the dot in the name (example:
XM30.#) is the IMC bus address, which is set using
the rotary switches on the module.
Remotely mounted in the compressor cassettes, the
following modules are used:
• XM30.7-Entering/Leaving Condenser water
temperature sensors, condenser water strainer in/out
water pressure sensors
• XM30.8-Compressor A: discharge/suction pressure
sensors, suction temperature, and WRV position
control
• XM30.9-Compressor B: discharge/suction pressure
sensors, suction temperature, and WRV position
control
• XM30.10-Compressor C: discharge/suction pressure
sensors, suction temperature, and WRV position
control
• XM30.11-Compressor D: discharge/suction pressure
sensors, suction temperature, and WRV position
control
Honeywell Pressure Sensor
2VDC = 0%, 10VDC = 100%
Open = Tripped, Closed = Normal
1.7VDC = Min Speed, 10VDC = Max Speed
Open = Alarm, Closed = Normal
Open = Alarm, Closed = Normal
Open = Circuit Open, Closed = Circuit Complete
Open = Alarm, Closed = Normal
Open = Circuit Open, Closed = Circuit Complete
10K Ohm Resistor Trane Type 2
10K Ohm Resistor Trane Type 2
Open = Normal, Closed = Emergency Stop
Open = Auto, Closed = Exterior Stop
Open = Off, Closed = Runing
Open = Unoccupied, Closed = Occupied
Point Setup
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