User guide

GLOSSARY–9
SPEED = BAUDS
Programming of the transmission speed in bits per second (baud rate).
S.S. or STATIC SW
Static switch; used to transfer the load to the bypass ac input (MAINS2) power source
without interruption to the load.
S.S. PROTECTIVE DEVICE FAULT
Indicates a fault on the voltage surge protection circuit connected to the bypass ac input
(MAINS2) power source.
S.S. THERMO
Indicates an overtemperature condition on the SCRs of the static switch assembly.
SS&CP
System status and control panel; the front panel of the UPS that contains the controls
and indicators.
SYNC. or SYNCHRO
Synchronization.
SW
Switch.
SW TO MAN BY-PASS
Switch to manual bypass.
Technician
Refers to an electronic technician qualified to maintain and repair electronic equipment.
Not qualified to install electrical wiring. Compare with Electrician.
Temp.
Temperature.
TEST POSITION
Indicates that the inverter has been stopped and is not available. The load is on manual
bypass (Q4S is open, Q5N is open, and Q3BP is closed).
THERMAL OVERLOAD
Indicates that an overload (between 120% and 150%) has occurred.
THERMO
Abbreviation for overtemperature.
TRANSF.
Transfer.
TRANSFO
Transformer.
TRANSFO THERMO
Indicates an overtemperature condition on the inverter output transformer T5.
U
Voltage.