Power supply unit
PS-203-60
Page 9
f)
check the Product connection; check main power supply by green LED on the
piano type switch; make sure there is no alarm on dry contacts;
g)
using voltmeter, measure output voltage on connectors’ contacts (for load
connection); measured values shall be 24 V DC. If measured voltage is different from
the rated value, the Product is not ready for operation. Contact the Manufacturer;
h)
transfer the piano type switch to «OFF» position and connect the load;
i)
switch the Product on and check operation of load.
2.3.2
To switch the Product off:
a)
switch off the load (only if a load may be switched off by a switch located on
the load casing; in another case, a load switches off once the Product power is turned
off);
b)
transfer piano type switch «ON/OFF» on the casing to «OFF» position, and
then transfer circuit breakers of main power switchboard to «OFF» position.