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.
PANEL CUTOUT
RECOMMENDED
29
71
min. 12 mm
min. 15 mm
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 Ascon
Tecnologic, except in the event of alternative agreements.
7 - TECHNICAL DATA
7.1 - ELECTRICAL DATA
Power supply: 12 VAC/VDC ±10%
Frequency AC: 50/60 Hz
7.4 - FUNCTIONAL FEATURES
Power consumption: 4 VA approx.; 5 VA approx with TVRY
Temperature Control: ON/OFF mode
Input/s: 2 inputs for temperature probes: PTC (KTY 81-121, 990
Ω
@ 25°C) or NTC (103AT-2, 10k
Ω
@ 25°C); 1 digital input for free
voltage contacts
Defrost control: interval cycles or at programmed times (Real Time
Clock Defrosting) by Electric Heating or hot-gas/reverse cycle
Measurement range: PTC: -50...150°C/-58... 302°F;
Output/s: up to 4 relay outputs. OUT1: SPST-NO (16A-AC1, 6A-
AC3 250 VAC,1HP 250VAC, 1/2HP 125 VAC); OUT2, 3, 4: SPDT
(8A-AC1, 3A-AC3 250 VAC,1/2HP 250VAC, 1/3HP 125 VAC)
NTC: -50...109°C/-58...228°F
Display resolution: 1° or 0.1°
Overall accuracy: ±(0.5% fs + 1 digit)
Electrical life for relay outputs: 100000 op. (om. VDE)
Sampling rate: 130 ms.
Installation category: II
Serial Interface: RS485 insulated
Measurement category: I
Communication protocol: MODBUS RTU (JBUS)
Protection class against electric shock: Class II for Front panel
Baud rate: 9600 baud
Insulation:
Reinforced insulation between the low voltage part (relay
outputs) and front panel; Reinforced insulation between the low
voltage section (relay outputs) and the extra low voltage section
(supply and inputs); No insulation between supply and inputs; 50 V
insulation between RS485 and extra low voltage section.
Display: 4 Digit Red h 12 mm
Endurance time of the internal clock without power supply: 4 hours
approx. by internal condenser
Compliance: ECC directive EMC 2004/108/CE (EN 61326), ECC
directive LV 2006/95/CE (EN 61010-1)
7.2 - MECHANICAL DATA
7.5 - INSTRUMENT ORDERING CODE
Housing: Self-extinguishing plastic, UL 94 V0
Dimensions: 33 x 75 mm, depth 75.5 mm
TLY 26 a b c d ee f
Weight: 155 g approx.
Mounting: Flush in panel (max. 12 mm) in 29 x 71 mm hole
a: REAL TIME CLOCK DEFROSTING
Connections: 2.5 mm
2
screw terminals block
C
= Yes
Degree of front panel protection: IP 65 mounted in panel with gasket
-
= No
Pollution situation: 2
Operating temperature: 0... 50°C
b: TVRY REMOTE DISPLAY OUTPUT
Operating humidity: 30... 95 RH% without condensation
D
= Yes
Storage temperature: -10... +60°C
-
= No
7.3 - MECHANICAL DIMENSIONS, PANEL CUT-OUT AND
MOUNTING [mm]
c: RS 485 SERIAL INTERFACE
S
= Yes
64
78
35
5.5
MAX 12 mm
PANEL
+ GASKET
BRACKETS
34
19 28
11.5
Def
Out
-
+
OK
Fan
AUX
Aux
TLY 26
-
= No
d: OUTPUT OUT4
R
= Relay
-
= None
ee: SPECIAL CODES
f: SPECIAL VERSIONS
Ascon Tecnologic - TLY26
- OPERATING INSTRUCTIONS - Vr. 02 - 04/14 - ISTR MTLY26ENG02 - PAG. 11
