Trane SCWM Series User Manual

82
PKG-SVX027D-EN
Table 23. Compressor warning
Warning: Compressor 1 Cond Limit Status (In Alarm)
Notification Class Action Reason
Typical Causes Reset Required
HVAC Warning. Compressor speed will be
limited to keep the
compressor from exceeding
the Condenser Control
Pressure Setpoint.
Head Pressure has
exceeded the condenser
Control Pressure Setpoint.
• High Condenser Water
Temperature.
• Malfunctioning TXV.
• Non Condensable in the
refrigerant.
• Low water flow in the
condenser, or no water
flow.
• Condenser Valve
malfunctioning.
No Reset required, Warning
clears when conditions no
longer exists.
Warning: Compressor 1 Frostat Limit Status (In Alarm)
Notification Class Action Reason
Typical Causes Reset Required
HVAC Warning. Compressor speed will be
limited to keep the
compressor from causing
frost buildup on the
evaporator coil.
The Saturated suction
refrigerant temperature is
calculated to be below 36
degrees.
• Low Airflow across the
coil.
• Malfunctioning TXV.
• Dirty Air Filters.
• Dirty Evaporator Coil.
No Reset required, Warning
clears when conditions no
longer exists.
Warning: Compressor (2-4) High Discharge Press Warning (In Alarm)
Notification Class Action Reason
Typical Causes Reset Required
HVAC Warning. No action is taken on the
fixed speed compressor, this
is an informational warning
only.
Head Pressure has
exceeded the condenser
Control Pressure Setpoint.
• High Condenser Water
Temperature.
• Malfunctioning TXV.
• Non Condensable in the
refrigerant.
• Low water flow in the
condenser, or no water
flow.
• Condenser Valve
malfunctioning.
No Reset required, Warning
clears when conditions no
longer exists.
Warning: Compressor (2-4) Frostat Warning (In Alarm)
Notification Class Action Reason
Typical Causes Reset Required
Diagnostics

Trane SCWM Series Specifications

General

Brand	Trane
Model	SCWM Series
Category	Industrial Equipment
Language	English