Trane SCWG 020, SCWG 025, SCWG 030, SCWG 035, SIWG 020, SIWG 025, SIWG 030, SIWG 035, SCRG 020, SCRG 025, SCRG 032, SIRG 020, SIRG 025, SIRG 032 Heating System User Manual


 
SCXG-SVX01B-EN 77
Owner General
Information
Points List
RTM Module:
Binary inputs
Emergency stop
External auto/stop
Unoccupied/occupied
Dirty filter
VAV changeover with hydronic heat
Binary outputs
VAV box drive max (VAV units only)
CV unoccupied mode indicator (CV units
only)
Alarm
Fan run request
Water pump request (water-cooled
only)
Analog input
Airside economizer damper minimum
position
Analog output
Outside air damper actuator
Heat Module:
Analog output
GBAS Module:
Binary inputs
Demand limit contacts
Binary outputs
Dirty filter relay
Refrigeration fail relay
Heat fail relay
Supply fan fail relay
Active diagnostics
Analog inputs
· Occupied zone cooling setpoint
· Occupied zone heating setpoint
· Unoccupied zone cooling setpoint
· Unoccupied zone heating setpoint or
minimum outside air flow setpoint
· Supply air cooling setpoint
· Supply air heating setpoint
· Supply air static pressure setpoint
ECEM Module:
Analog inputs
Return air temperature
Return air humidity
In addition, units with a VOM have:
Binary inputs
VOM mode A, unit off
VOM mode B, pressurize
VOM mode C, exhaust
VOM mode D, purge
VOM mode E, purge w/duct pressure
control
Binary output
V.O. relay
TCI Module:
Binary input
Enthalpy enable airside economizer
Binary outputs
Compressor on/off status
Ventilation status
Condenser water flow status
Heat status
Analog outputs
Supply air pressure
Supply air temperature
Suction temperature of each circuit
Entering economizer water temperature
Zone temperature
Entering condenser water temperature
Supply air temperature reset signal
Morning warmup sensor temperature
Entering air temperature
Analog inputs
Cooling and heating setpoints
VAV discharge air temperature
setpoints
Supply air pressure setpoint
Cooling and heating enable/disable
Air economizer enable/disable
Airside economizer minimum position
Unit priority shutdown