8
T2612 UNI
TECSYSTEM S.r.l ®
21) PROGRAMMING REHABILITATION IN CASE OF BLOCK (Prg no)
In the event program access is blocked the display will show SET and then display “
noP
”.
To gain access, press the ENT key and return to normal operation. Touch the PRG key and
then, press and hold the TEST key for approximately 7 seconds until the flashing PRG
screen display ends.
NOTE: this procedure removes the lockout feature. To block access again, this feature must
be reprogrammed.
22) RULES FOR WARRANTY
The Product purchased is covered by manufacturer's warranty or the seller's terms and con-
ditions set forth in the "General Conditions of Sale Tecsystem srl", available at
www.tecsystem.it and / or purchase agreement.
The warranty is considered valid only when the product will be damaged by causes attribu-
table to TECSYSTEM srl, such as manufacturing or components defects.
The warranty is invalid if the Product proves tampered / modified, incorrectly connected,
because voltages outside the limits, non-compliance with the technical data for use and as-
sembly, as described in this instruction manual.
Any action about warranty is always at our factory in Corsico-MI, Italy as stated by the
" General Conditions of Sale Tecsystem srl ".
RAEE: This SYMBOL, shown on the unit, indicates that the waste must be subject to
"separate collection”. The end-user must send the unit to the “waste collection centers”,
or return the unit to the dealer against the purchase of a new equivalent device.
23) IMPORTANT NOTICE
Before conducting the insulation test, disconnect the power supply to the unit to avoid dam-
age.
24) 4-20 mA OUTPUT CONNECTION (ONLY FOR MODEL T2612C AND T2612AD)
To 4-20 mA output can be connected a read-out or acquisition device.
The admitted load impedance for each output goes
from 0 to 500 ohm
.
4-20 mA signal is referred to 0-240°C range with accuracy of 1% with respect to full scale
value.
For 0-240 range, the relation current/temperature is the following:
I
out
= (T/15)+4
(T= temperature in °C)
PROGRAMMED DATA DIAGNOSTIC
In case of breaking of the internal storage or corruption of programmed data, just after
switching on it appears
Ech
indication with the relevant reporting of the Fault contact.
In this case, for safety reasons, the default parameters: Alarm Ch1-2-3= 90°C, Trip Ch1-2-
3= 119°C, Ch4= NO, Ch-Fan= 1-2-3, Fan-on= 70°, Fan-off= 60°, HFn= 000 are automati-
cally reloaded.
Eliminate
Ech
indication by pressing
RESET
and run programming to insert desired values.
Finally turn off and turn on again the unit to verify the correct memory working; in case it is