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Ascon Tecnologic - Y39 Line - Operating Instructions - Pag. 16

10.3  Functional Features

Temperature Control: ON/OFF mode;
Defrost control: Interval cycles or evaporator temperature by 
Electric Heating/Compressor stops or hot-gas/reverse cycle
Measurement range: NTC: -50 ÷ 109°C/-58 ÷ 228°F,  
PTC: -50 ÷ 150°C/-58 ÷ 302°F;
Display resolution: 1° or 0.1°;
Overall accuracy: ±(0.5% fs + 1 digit);
Sampling rate: 130 ms;
Display: 3 Digit  Red (Blue optional) h 15.5 mm;
Software class and structure: Class A;
Compliance: Directive  2004/108/CE (EN55022: class B; 
EN61000-4-2: 8kV air, 4KV cont.; EN61000-4-3: 10V/m; 
EN61000-4-4: 2kV supply and relay outputs, 1kV inputs; 
EN61000-4-5: supply 2kV com. mode, 1kV\ diff. mode; 
EN61000-4-6: 3V),
Directive 2006/95/CE (EN 60730-1, EN 60730-2-9),
Regulation 37/2005/CE (EN13485 air, S, A, 2,- 50°C +90°C 
with probe NTC 103AT11).

11  HOW TO ORDER

MODEL

Y39 -

  Instrument with mechanical keyboard

Y39S - 

Instrument with Sensitive Touch keyboard

a:  POWER SUPPLY

H

 =  100 ÷ 240 VAC

G

 =  12 ÷ 24 VAC/VDC

F  =  12 VAC/VDC

b:  OUT1 OUTPUT

R

 Out1 Relay SPST-NO 16A

(for resistive loads)

d:  OUT3 OUTPUT

R

 =  Out3 Relay SPST-NO 5A 

(for resistive loads)

-

  = 

Not present

c:  OUT2 OUTPUT

R

 =  Out2 Relay SPDT 8A 

(for resistive loads)

-

  = 

Not present

e:  Buzzer

B

  = 

Buzzer

-

  = Not present

f:  Terminals

-

  =  Fixed Screw power terminals

(standard);

E

  =  Removable screw power terminals;

N

 =  Removable screw power terminals

(the fixed part only).

g:  DISPLAY

-

  = 

Red

B

 = 

Blue

c

a

-

Y39

b

d e f g h i j

h, i, j

RESERVED CODES;

kk, ll

SPECIAL CODES.

kk

ll

Note: 

To order the Optional Screw type Bracket necessary 
to obtain the IP65 Front protection degree, please, 
contact your Ascon Tecnologic supplier

Summary of Contents for Y39

Page 1: ...rature probes and a digital input alterna tive to a temperature input in addition can be equipped with an internal buzzer that is the sound system for alarms The 3 outputs can be can all be configured for controlling the compressor or the temperature control device the defrosting device the evaporation fan or alternatively any of the previ ous functions using an auxiliary device or an alarm The 3 ...

Page 2: ...atus ON ON OFF OFF or inhibited flashing 12 LED Stand By When the instrument is in Stand by mode is the only lit LED 2 PROGRAMMING 2 1 Fast Set Point Programming The normal mode to program the setpoint is done by mo mentarily pressing the key the display shows SP or SP2 alternated to the programmed value To change it press the key to increase the value or to decrease it These keys increase or decr...

Page 3: ...e protected parameters Previous Parameter Next Parameter SET PARAMETER Increase Value Decrease Value 35 0 25 5 NOT Protected PARAMETERS NORMAL MODE Hold for 2 s Hold for 5 s PARAMETERS PROGRAM MODE INS CORRECT PASSWORD Increase Value Decrease Value 0 R P PASSWORD REQUEST S LS a HA 2 5 Reset Parameters to Default Value The instrument allows the reset of the parameters to those values programmed in ...

Page 4: ...er must ensure that EMC rules are respected also after instrument installation if necessary using proper filters 4 INSTALLATION WARNINGS 4 1 Mechanical Mounting The instrument in case 78 x 35 mm is designed for flush in panel mounting Make a hole 71 x 29 mm and insert the instrument fixing it with the provided special brackets In order to obtain the declared front protection degree use the screw t...

Page 5: ...nction and the display is turned OFF except for the Stand by LED The transition between Standby and ON status is equivalent to power ON the instrument providing the electrical power In case of power failure the system always sets itself in the condition it was in before the black out The ON Stand by function can be selected Pressing the key for at least 1 s if t UF 4 Pressing the key Aux for at le...

Page 6: ...after the i ti time all the control outputs are disabled the alarm is activated and the instrument alternately shows ON the display the label AL and the variable set at para meter i dS 10 Instrument Switch ON OFF ON Stand by of instrument via NO contact closing the digital input and after the i ti time the instrument is switched ON while it is placed in Stand by when the digital input is open 11 A...

Page 7: ...OUT ot off off ON ON ON time Pr1 Temp Pr1 In the event of probe error it is possible to set the instrument so that the output continues working in cycles according to the times programmed with parameters r t1 activation time and r t2 deactivation time If a probe error occurs the instrument activates the output for the r t1 time then deactivates it for the r t2 time and so on whilst the error remai...

Page 8: ...nterval and automatic defrost start modes are set with parameter d dC rt At real time power ON intervals d di interval is count ed referring to the total time the instrument is switched ON Mode currently used in the refrigerators systems ct At time intervals of the compressor operation output ot switched ON Mode typically used in the posi tive temperature refrigerators systems with defrost by stop...

Page 9: ... A ends because the d tE temperature has been reached defrost B ends when d dE time has elapsed as temperature d tE has NOT been reached defrost C does not take place as the evaporator temperature is higher than d tS d tE d ts dF off off off off d di dSd ON ON ON time d di Defrost d de 1 Temp EP Example of electric defrost with evaporator temperature control The defrost ends when d dE time has ela...

Page 10: ...ion similar to AL but with inverse logic function output active in normal conditions disabled in alarm n Function is similar to An but with inverse logic function output active in normal conditions disabled in alarm The instrument is equipped with the alarm memory function which can be activated via the A tA parameter A tA values are oF The instrument disables the alarm signal when the alarm statu...

Page 11: ...t is possible to enable disable the auxiliary output if configured as o Fo 2 2 Pressing the key for at least 1 s it is possible to enable disable a continuous cycle 3 Pressing the key for at least 1 s it is possible to select one of the 2 stored Set Point in rotation Once the selection has been made the display shows flashing the active Set Point code for about 1 s SP SP2 4 Pressing the key for at...

Page 12: ...upplied by the instrument Supply TLCNV Cable 7 8 9 6 5 4 ON TX RX TTL TLCNV B GND A RS 485 3 2 1 For additional info please consult the TLCNV instruction manual 7 PROGRAMMABLE PARAMETERS TABLE Here below is a description of all the parameters available on the instrument Some of them may not be present because depend on the model type of instrument S Set Point parameters Parameter Description Range...

Page 13: ...essor output conditioning Et Electrical heating with evaporator temperature control EL 24 d di Defrosting interval oF 0 01 9 59 h min 99 5 h min x 10 6 00 25 d Sd 1st defrost delay at power oF Defrost at power on 0 01 9 59 h min 99 5 h min x 10 6 00 26 d dE Length max of defrost cycle oF 0 01 9 59 min s 99 5 min s x 10 20 0 27 d tE Defrost stop temperature 99 9 999 C F 8 0 28 d tS Defrost enable t...

Page 14: ... and continuous cycle and unlock display delay after defrost oF 0 01 9 59 h min 99 5 h min x 10 1 00 52 A oA Alarm delay with door open oF 0 01 9 59 min s 99 5 min s x 10 3 00 o Outputs and buzzer configuration parameters Parameter Description Range Default 53 o o1 OUT1 function oF No function ot Temp Control compressor dF Defrosting Fn Fan Au Auxiliary At Silenceable alarm AL Not silenceable Alar...

Page 15: ...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 alterna tive agreements 10 TECHNICAL DATA 10 1 Electrical Data Power supply 12 VAC DC 12 24 VAC DC 100 240 VAC 10 AC Frequency 50 60 Hz Power consumption 4 VA approx Input s 3 inputs for temperature probes PTC KTY 81 121 990W 25 C or NTC 103AT 2 10kW...

Page 16: ...e 2006 95 CE EN 60730 1 EN 60730 2 9 Regulation 37 2005 CE EN13485 air S A 2 50 C 90 C with probe NTC 103AT11 11 HOW TO ORDER MODEL Y39 Instrument with mechanical keyboard Y39S Instrument with Sensitive Touch keyboard a POWER SUPPLY H 100 240 VAC G 12 24 VAC VDC F 12 VAC VDC b OUT1 OUTPUT R Out1 Relay SPST NO 16A for resistive loads d OUT3 OUTPUT R Out3 Relay SPST NO 5A for resistive loads Not pre...

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