RLC-SVU01B-E4
16
Controls Interface
Capacity Limited by Low Liquid Level (2)
Shutting Down (1)
Operational Pumpdown (2)
Front Panel Lockout (2)
Diagnostic Shutdown - Manual Reset (2)
Diagnostic Shutdown - Auto Reset (2)
Start Inhibited by External Source (2)
Start Inhibited by BAS (2)
Service Override (1)
Service Pumpdown (2)
The circuit is experiencing low refrigerant liquid levels and the EXV is
at or near full open. The compressors on the circuit will be unloaded
to prevent tripping.
The given circuit is still running but shutdown is imminent. The circuit
is going through either a compressor run-unload mode or a circuit
operational pumpdown to dry out the evaporator (cold OA ambient
only). Shutdown is necessary due to one (or more) of the following
sub-modes:
The circuit is in the process shutting down by performing an
operational pumpdown just prior to stopping the last running
compressor. The EXV is commanded closed. Pumpdown will
terminate when both the liquid level and the evaporator pressure.
The circuit has been manually locked out by the circuit lockout setting
and is in the process of shutting down - the nonvolatile lockout -
setting is accessible through either the DynaView or TechView.
The circuit is in the process of shutdown due to a latching diagnostic.
The circuit is in the process of shutdown due to a diagnostic that may
automatically clear.
The circuit is in the process of shutdown due to a command from the
external circuit lockout hardwired input.
The circuit is in the process of shutdown due to a command from the
Building Automation System (e.g. Tracer)
The given circuit is in a Service Override mode
The circuit is running with fan control, via a manual command to
perform a Service Pumpdown. Its respective EXV is being held wide
open, but the manual liquid line service valve should be closed.
(1) Top level mode
(2) Sub-mode