6
T2612 UNI
TECSYSTEM S.r.l ®
15) WORKING PROGRAM CONTROL
To review the entered values momentarily press PRG key, “
viS
” appears and continue to do
so advancing to each programmed value. Press ENT to return to normal operating mode.
16) LAMP TEST
It is advisable to carry out this test on a regular basis to ensure all lamps are functioning
normally. Pressing the TEST key at any time allows the user to test all lamps, initially all
LED’s illuminate.
17) ALARM RELAYS TEST
All relays may be tested using the following procedure.
Press and hold the TEST key for 5 seconds, changing to the main screen display
tSt
appear.
Release the test key when the yellow relay test LED TEST ON illuminates.
The first relay to test will be indicated with the LED flashing.
The relays to test are the following, in sequence:
•
“Flt”
: RTD fault relay
•
“Fan 1”
: 1st cooling relay
•
“Fan 2”
: 2nd cooling relay
•
“Alr”
: alarm relay
•
“trP”
: trip relay
Use the Scroll
▲
or
▼
keys to make the selection. Press the SET key to perform the test on
the selected relay. To reset press the RESET key and will appear ON and OFF on display.
To discontinue operation and revert to normal operation, press the TEST key.
At the start of the test, a timer is automatically initiated which reverts the unit to normal
operation if no inputs are detected for a period of five minutes.
18) ALARM RELAY EXCLUSION
If you want to exclude the ALARM signal press RESET key: relay de-energises itself and
LED ALARM, which was fixed, will start to blink. If the transformer temperature goes up to
TRIP temperature - 5°C, the relay ALARM
Exclusion system is automatically disconnected when the temperature goes under the
ALARM threshold.
19) BUZZER
T2612 unit includes a buzzer that is operating when any alarm status occurs, except for Fan
1 and Fan 2 outputs
By pushing the TEST/MUTE key you can stop the buzzer.
If any lamp is not functioning the unit must be returned for repair.
