ASCON TECNOLOGIC - TLZ 12 P - OPERATING INSTRUCTIONS - Vr.02 - ISTR-MTLZ12PENG02- PAG. 6
21
LAL
threshold
OFF ÷ 100.0
°C/°F
OFF
22
dAL
Temperature Alarms
Differential
0.0 ÷ 30.0
°C/°F
2.0
23
ALd
Temperature Alarms
delay
OFF ÷ 99.59
min.sec
OFF
24
PAL
delay at power on
hrs.min
2.00
25
dALd
defrost
OFF ÷ 24.00
hrs.min
1.00
26
USrb
Function mode key U:
OFF= No Function
1= ON/STAND-BY
OFF / 1 OFF
27
diF
logic of digital input:
0 = No function
1= Start defrost
2= End defrost
3= External alarm
-3 / -2 / -1 / 0
/ 1 / 2 / 3
0
28
PASS
parameter functions
OFF ÷ 9999 OFF
29
SP
Set Point SPLL ÷ SPHL
0.0
6 - PROBLEMS, MAINTENANCE AND GUARANTEE
6.1 - SIGNALLING
Error Signalling:
Error Reason Action
E1
-E1
The probe may be
interrupted or in short
circuit, or may measure a
value outside the range
allowed
Check the correct
connection of the probe
with the instrument and
check the probe works
correctly
EEPr
Internal memory error Check and if necessary
re-programme the
parameters function.
In probe error status, the output OUT behaves as set by the
parameters “tonE” and “toFE”.
Other Signalling:
Message Reason
od
Delay in switching on in progress
dEF
Defrosting in progress with “dLo”=Lb
PdEF
Post-defrosting in progress with “dLo”=Lb
HI
Maximum temperature alarm in progress
LO
Minimum temperature alarm in progress
AL
Digital input alarm in progress
6.2 - CLEANING
We recommend cleaning of the instrument with a slightly wet cloth
using water and not abrasive cleaners or solvents which may
damage the instrument.
6.3 - GUARANTEE AND REPAIRS
The instrument is under warranty against manufacturing flaws or
faulty material, that are found within 12 months from delivery date.
The guarantee is limited to repairs or to the replacement of the
instrument.
The eventual opening of the housing, the violation of the instrument
or the improper use and installation of the product will bring about
the immediate withdrawal of the warranty’s effects.
In the event of a faulty instrument, either within the period of
warranty, or further to its expiry, please contact our sales
department to obtain authorisation for sending the instrument to
our company.
The faulty product must be shipped to ASCON TECNOLOGIC with
a detailed description of the faults found, without any fees or
charge for Tecnologic, except in the event of alternative
agreements.
7 - TECHNICAL DATA
7.1 - ELECTRICAL DATA
Power supply: 12 VAC/VDC, 24 VAC/VDC, 100..240 VAC +/- 10%
Frequency AC: 50/60 Hz
Power consumption: 3 VA approx.
Input/s: 1 input for temperature probes: Pt1000 or NTC (PT-24C2,
100 K Ω @ 25 °C); 1 digital input for free voltage contacts
Output/s: up to 2 relay outputs: OUT SPST-NO (16A-AC1, 6A-AC3
250 VAC) or SPDT 16A-AC1, 6A-AC3 250 VAC) and AL SPST-NO
(5A-AC1, 2A-AC3 250 VAC).
Electrical life for relay outputs: OUT SPST-NO: 100000 op. ; SPDT:
50000 op. (om. VDE); AL: 100000 op.
Installation category: II
Measurement category: I
Protection class against electric shock: Class II for Front panel
Insulation: Reinforced insulation between the low voltage part
(supply H type and relay outputs) and front panel; Reinforced
insulation between the low voltage section (supply type H and relay
outputs) and the extra low voltage section (inputs); Reinforced
between supply and relay outputs; No insulation between supply F
type and inputs.
7.2 - MECHANICAL DATA
Housing: Self-extinguishing plastic, UL 94 V0
Dimensions: 33 x 75 mm, depth 64 mm
Weight: 115 g approx.
Mounting: Flush in panel in 29 x 71 mm hole
Connections: 2,5 mm
2
screw terminals block
Degree of front panel protection : IP 65 mounted in panel with
gasket
Pollution situation: 2
Operating temperature: 0 ... 50 °C
Operating humidity: 30 ... 95 RH% without condensation
Storage temperature: -10 ... +60 °C
7.3 – MECHANICAL DIMENSIONS, PANEL CUT-OUT AND
MOUNTING [mm]
75
33
5
64
28
Out Def AL
TLZ 12
RECOMMENDED
PANEL CUTOUT
29
71
min. 15 mm
min. 12 mm
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