EVCO S.p.A. | EV3203 | Instr uction sheet ver. 1.

0 | Code 1043203E103 | Page 1 of 2 | PT 2/17

Controllers for refrigerated cabinets, counters and islands,

EV3203 with energy-saving strategies
4 USER INTERFACE AND MAIN FUNCTIONS VAL. DESCRIPTION
149 value to restore the factory settings (default)
161 value to store customized settings as default
Touch the SET key (or do not operate for 15 s): the display will
4. show the label “dEF” (when value “149” is set) or the label
“MAP” (when value “161” is set).

5. Touch the SET key.

6. Touch the UP or DOWN key within 15 s to set “4”.

E ENGLISH
- Controllers for low temperature units. Touch the SET key (or do not operate for 15 s): the display will
- Power supply 230 VAC or 12-24 VAC/DC (according to the model). 7. show for 4 s “- - -“ flashing, then the device will exit the proce-
- Cabinet probe and auxiliary probe (PTC/NTC). dure.
- Door switch/multi-purpose input. 8. Interrupt the power supply to the device.
- Compressor relay 16 A res. @ 250 VAC. Touch the SET key 2 s before action 6. to exit the procedure be-
9.
- Cooling or heating operation. forehand.

1 MEASUREMENTS AND INSTALLATION 7 CONFIGURATION PARAMETERS

4.1 Switching the device on/off
Measurements in mm (inches). To be fitted to a panel, snap-in brackets provided.
1. If POF = 1 (default), touch the ON/STAND-BY key for 4 s. N. PAR. DEF. SETPOINT MIN... MAX.
1 SP 0.0 setpoint r1... r2
If the device is switched on, the display will show the P5 value ("cabinet temperature" default); N. PAR. DEF. ANALOGUE INPUTS MIN... MAX.
if the display shows an alarm code, see the section ALARMS.
2 CA1 0.0 cabinet probe offset -25... 25 °C/°F
LED ON OFF FLASHING
3 CA2 0.0 auxiliary probe offset -25... 25 °C/°F
compressor on compressor off - compressor protection active
4 P0 1 probe type 0 = PTC 1 = NTC
- setpoint setting active
5 P1 1 enable °C decimal point 0 = no 1 = yes
defrost active - - defrost delay active
6 P2 0 temperature unit of measure- 0 = °C 1 = °F
- dripping active
ment
evaporator fan on evaporator fan off evaporator fan stop active
7 P4 1 auxiliary probe function 0 = disabled
1 = evaporator probe (de-
- energy saving active - -
frost + fan)
- low consumption ac-
2 = evaporator probe (fan)
tive
3 = condenser probe
view temperature - -
°C/°F 8 P5 0 value displayed 0 = cabinet temperature
1 = setpoint
device off device on device on/off active
2 = auxiliary temperature
9 P8 5 display refresh time 0... 250 s : 10
N. PAR. DEF. REGULATION MIN... MAX.
If 30 s have elapsed without the keys being pressed, the display will show the “Loc” label and
10 r0 2.0 setpoint differential 1... 15 °C/°F
the keypad will lock automatically.
11 r1 -40 minimum setpoint -99 °C/°F... r2
INSTALLATION PRECAUTIONS
- The thickness of the panel must be between 0.8 and 2.0 mm (1/32 and 1/16 in) 4.2 Unlock keypad 12 r2 50.0 maximum setpoint r1... 99 °C/°F

- Ensure that the working conditions are within the limits stated in the TECHNICAL Touch a key for 1 s: the display will show the label “UnL”. 13 r4 0.0 setpoint offset in energy saving 0... 99 °C/°F
SPECIFICATIONS section. 14 r5 0 cooling or heating operation 0 = cooling
- Do not install the device close to heat sources, equipment with a strong magnetic field, 4.3 Set the setpoint 1 = heating
in places subject to direct sunlight, rain, damp, excessive dust, mechanical vibrations Check that the keypad is not locked. 15 r12 1 position of the r0 differential 0 = asymmetric
or shocks. 1 = symmetric
1. Touch the SET key.
- In compliance with safety regulations, the device must be installed properly to ensure N. PAR. DEF. COMPRESSOR MIN... MAX.
adequate protection from contact with electrical parts. All protective parts must be Touch the UP or DOWN key within 15 s to set the value within 16 C0 0 compressor on delay after pow- 0... 240 min
2.
fixed in such a way as to need the aid of a tool to remove them. the limits r1 and r2 (default “-40... 50”) er-on
17 C2 3 compressor off minimum time 0... 240 min
3. Touch the SET key (or do not operate for 15 s).
2 ELECTRICAL CONNECTION 18 C3 0 compressor on minimum time 0... 240 s
19 C4 0 compressor off time during cabi- 0... 240 min
N.B. 4.4 Activate manual defrost (if r5 = 0, default) net probe alarm
- Use cables of an adequate section for the current running through them. Check that the keypad is not locked. 20 C5 10 compressor on time during cabi- 0... 240 min
- To reduce any electromagnetic interference connect the power cables as far away net probe alarm
1. Touch the UP key for 2 s.
as possible from the signal cables. 21 C6 80.0 threshold for high condensation 0... 199 °C/°F
If P4 = 1 (default), defrost is activated provided that the evaporator temperature is lower than warning differential = 2 °C/4 °F
the d2 threshold. 22 C7 90.0 threshold for high condensation 0... 199 °C/°F
alarm
5 ADDITIONAL FUNCTIONS 23 C8 1 high condensation alarm delay 0... 15 min
5.1 View/delete compressor functioning hours N. PAR. DEF. DEFROST (if r5 = 0) MIN... MAX.
Check that the keypad is not locked.
24 d0 8 automatic defrost interval 0... 99 h
1. Touch the DOWN key for 4 s. 0 = only manual
if d8 = 3, maximum interval
2. Touch the UP or DOWN key within 15 s to select a label. 25 d1 0 defrost type 0 = electric
1 = hot gas
LAB. DESCRIPTION 2 = compressor stopped
CH view compressor functioning hours
26 d2 8.0 threshold for defrost end -99... 99 °C/°F
rCH delete compressor functioning hours 27 d3 30 defrost duration 0... 99 min
3. Touch the SET key. se P3 = 1, maximum duration
28 d4 0 enable defrost at power-on 0 = no 1 = yes
Touch the UP or DOWN key to set “149” (when label “rCH” is se- 29 d5 0 defrost dealy after power-on 0... 99 min
4.
lected).
30 d6 1 value displayed during defrost 0 = cabinet temperature
5. Touch the SET key. 1 = display locked
2 = dEF label
Touch the ON/STAND-BY key (or do not operate for 60 s) to exit 31 d7 2 dripping time 0... 15 min
6.
the procedure.
32 d8 0 defrost interval counting mode 0 = device on hours
1 = compressor on hours
5.2 View the temperature detected by the probes
2 = hours evaporator tem-
Check that the keypad is not locked.
perature < d9
1. Touch the DOWN key for 4 s. 3 = adaptive
33 d9 0.0 evaporation threshold for auto- -99... 99 °C/°F
2. Touch the UP or DOWN key within 15 s to select a label. matic defrost interval counting
34 d11 0 enable defrost timeout alarm 0 = no 1 = yes
LAB. DESCRIPTION
35 d15 0 compressor on consecutive time 0... 99 min
Pb1 cabinet temperature
for hot gas defrost
PRECAUTIONS FOR ELECTRICAL CONNECTION Pb2 auxiliary temperature
36 d18 40 adaptive defrost interval 0... 999 min
- If using an electrical or pneumatic screwdriver, adjust the tightening torque. 3. Touch the SET key. if compressor on + evapora-
- If the device has been moved from a cold to a warm place, the humidity may have tor temperature < d22
caused condensation to form inside. Wait about an hour before switching on the Touch the ON/STAND-BY key (or do not operate for 60 s) to exit 0 = only manual
4.
power. the procedure. 37 d19 3.0 threshold for adaptive defrost 0... 40 °C/°F
- Make sure that the supply voltage, electrical frequency and power are within the set (relative to optimal evaporation optimal evaporation tempera-
limits. See the section TECHNICAL SPECIFICATIONS. 6 SETTINGS
temperature) ture - d19
- Disconnect the power supply before doing any type of maintenance. 6.1 Setting configuration parameters
38 d20 180 compressor on consecutive time 0... 999 min
- Do not use the device as safety device. for defrost 0 = disabled
1. Touch the SET key for 4 s: the display will show the label “PA”.
- For repairs and for further information, contact the EVCO sales network. 39 d22 2.0 evaporation threshold for adap- 0... 19 °C/°F
2. Touch the SET key. tive defrost interval counting optimal evaporation tempera-
3 FIRST-TIME (relative to optimal evaporation ture + d22
1. Install following the instructions given in the section MEASUREMENTS AND INSTALLA- Touch the UP or DOWN key within 15 s to set the PAS value (de-
3. temperature)
TION. fault “-19”).
N. PAR. DEF. ALARMS MIN... MAX.
2. Power up the device as shown in the section ELECTRICAL CONNECTION and an internal Touch the SET key (or do not operate for 15 s): the display will
4. 40 A1 10.0 threshold for low temperature 0... 99 °C/°F
test will be run. show the label “SP”.
alarm (relative to setpoint) SP - A1
The test normally takes a few seconds, when it is finished the display will switch off.
5. Touch the UP or DOWN key to select a parameter. 0 = disabled
3. Configure the device as shown in the section Setting configuration parameters.
41 A4 10.0 threshold for high temperature 0... 99 °C/°F
Recommended configuration parameters for first-time use.
6. Touch the SET key. alarm (relative to setpoint) SP + A4
PAR. DEF. PARAMETER MIN... MAX.
0 = disabled
SP 0.0 setpoint r1... r2
7. Touch the UP or DOWN key within 15 s to set the value. 41 A6 12 high temperature alarm delay af- 0... 99 min x 10
P0 1 probe type 0 = PTC 1 = NTC
ter power-on
P2 0 temperature unit of measurement 0 = °C 1 = °F
8. Touch the SET key (or do not operate for 15 s). 43 A7 15 high/low temperature alarms de- 0... 240 min
d1 0 defrost type 0 = electric 1 = hot gas
lay
2 = compressor stopped Touch the SET key for 4 s (or do not operate for 60 s) to exit the
9. 44 A8 15 high temperature alarm delay af- 0... 240 min
procedure.
ter defrost
Then check that the remaining settings are appropriate; see the section CONFIGURA-
45 A9 15 high temperature alarm delay af- 0... 240 min
TION PARAMETERS. 6.2 Restore the factory settings (default) and store customized settings as default
ter door closing
4. Disconnect the device from the mains.
46 A11 2.0 high/low temperature alarms re- 1... 15 °C/°F
5. Make the electrical connection as shown in the section ELECTRICAL CONNECTION with- N.B.
set differential
out powering up the device. - Check that the factory settings are appropriate; see the section CONFIGURATION
N. PAR. DEF. FANS MIN... MAX.
6. For the connection in an RS-485 network connect the interface EVIF22TSX or PARAMETERS.
47 F0 3 evaporator fan mode during 0 = off 1 = on
EVIF23TSX, to activate real time functions connect the module EVIF23TSX (or use - the storing of customized settings overwrites the default.
normal operation 2 = on if compressor on
EV3... XU); see the relevant instruction sheets.
3 = thermoregulated (with
7. Power up the device.
1. Touch the SET key for 4 s: the display will show the label “PA”. F1)
4 = thermoregulated (with
2. Touch the SET key. F1) if compressor on
48 F1 -1.0 threshold for evaporator fan op- -99... 99 °C/°F
3. Touch the UP or DOWN key within 15 s to set the value. eration differential = 2 °C/4 °F
49 F2 0 evaporator fan mode during de- 0 = off 1 = on
frost and dripping 2 = according to F0
EVCO S.p.A. | EV3203 | Instr uction sheet ver. 1.0 | Code 1043203E103 | Page 2 of 2 | PT 2/17
50 F3 2 evaporator fan off maximum 0... 15 min
time
51 F4 30 evaporator fan off time during 0... 240 s x 10
energy saving
52 F5 30 evaporator fan on time during 0... 240 s x 10
energy saving
N. PAR. DEF. DIGITAL INPUTS MIN... MAX.
53 i0 1 door switch/multi-purpose input 0 = disabled
function 1 = compressor + evapora-
tor fan off
2 = evaporator fan off
3 = energy saving
4 = iA alarm
5 = iA alarm (pressure
switch)
54 i1 0 door switch/multi-purpose input 0 = with contact closed
activation 1 = with contact open
55 i2 30 open door alarm delay -1... 120 min
-1 = disabled
if i0 = 3, multi-purpose input
alarm delay
if i0 = 4, compressor on de-
lay after alarm reset
56 i3 15 regulation inhibition maximum -1... 120 min
time with door open -1 = until the closing
57 i10 0 door closed consecutive time for 0... 999 min
energy saving after regulation temperature
< SP
0 = disabled
58 i13 180 number of door openings for de- 0... 240
frost 0 = disabled
59 i14 32 door open consecutive time for 0... 240 min
defrost 0 = disabled
N. PAR. DEF. ENERGY SAVING (if r5 = 0) MIN... MAX.
60 HE2 0 energy saving maximum duration 0... 999 min
-1 = until the door opening
61 HE3 0 consecutive time without operat- 0... 240 min
ing on keys for low consumption
N. PAR. DEF. SAFETIES MIN... MAX.
62 POF 1 enable ON/STAND-BY key 0 = no 1 = yes
63 PAS -19 password -99... 999

8 ALARMS

COD. DESCRIPTION RESET REMEDIES

Pr1 cabinet probe alarm automatic - check P0
Pr2 auxiliary probe alarm automatic - check probe integrity
- check electrical connection
AL low temperature alarm automatic check A1
AH high temperature alarm automatic check A4
id open door alarm automatic check i0 e i1
COH high condensation warning automatic check C6
CSd high condensation alarm manual - switch the device off and on
- check C7
iA multi-purpose input alarm automatic check i0 and i1
dFd defrost timeout alarm manual - touch a key
- check d2, d3 and d11

9 TECHNICAL SPECIFICATIONS

Purpose of the control device Function controller

Construction of the control device Built-in electronic device
Container Black, self-extinguishing
Category of heat and fire resistance D
Measurements
75.0 x 33.0 x 59.0 mm (2 15/16 x 1 5/16 x 75.0 x 33.0 x 81.5 mm (2 15/16 x 1 5/16 x
2 5/16 in) with fixed screw terminal blocks 3 3/16 in) with removable screw terminal
blocks
Mounting methods for the control device To be fitted to a panel, snap-in brackets pro-
vided
Degree of protection provided by the cover- IP65 (front)
ing
Connection method
Fixed screw terminal blocks for wires up to Removable screw terminal blocks for wires up
2,5 mm² to 2,5 mm²; by request
Maximum permitted length for connection cables
Power supply: 10 m (32.8 ft) Analogue inputs: 10 m (32.8 ft)
Digital inputs: 10 m (32.8 ft) Digital outputs: 10 m (32.8 ft)
Operating temperature From 0 to 55 °C (from 32 to 131 °F); from 0
to 50 °C (from 32 a 122 °F) in EV3... N3
Storage temperature From -25 to 70 °C (from -13 to 158 °F)
Operating humidity Relative humidity without condensate from
10 to 90%
Pollution status of the control device 2
Conformity
RoHS 2011/65/CE WEEE 2012/19/EU REACH (EC) Regulation
1907/2006
EMC 2014/30/UE LVD 2014/35/UE
Power supply
230 VAC (+10% -15%), 50/60 Hz (±3 Hz), max. 2 VA insulated in EV3... N7
12-24 VAC/DC (+10% -15%), 50/60 Hz (±3 Hz), max. 4 VA/2W in EV3... N3, provided by a
SELV class 2 source
Earthing methods for the control device None
Rated impulse-withstand voltage 4 KV
Over-voltage category III; II in EV3... N3
Software class and structure A
Analogue inputs 2 for PTC or NTC probes (cabinet probe and
auxiliary probe)
PTC probes Sensor type KTY 81-121 (990  @ 25 °C, 77 °F)
Measurement field From -50 to 150 °C (from -58 to 302 °F)
Resolution 0.1 °C (1 °F)
NTC probes Sensor type ß3435 (10 K  @ 25 °C, 77 °F)
Measurement field From -40 to 105 °C (from -40 to 221 °F)
Resolution 0.1 °C (1 °F)
Digital inputs 1 dry contact (door switch/multi-purpose)
Dry contact Contact type 5 VDC, 1.5 mA
Power supply None
Protection None
Digital outputs 3 electro-mechanical relays (compressor, defrost and evapo-
rator fan)
Compressor relay (K1) SPST, 16 A res. @ 250 VAC
Defrost relay (K2) SPDT, 8 A res. @ 250 VAC
Evaporator fan relay (K3) SPST, 5 A res. @ 250 VAC; SPST, 2 A res. @
250 VAC (30,000 cycles) in EV3... N3
Type 1 or Type 2 Actions Type 1
Additional features of Type 1 or Type 2 ac- C N.B.
tions The device must be disposed of according to local regulations governing the collection
Displays 3 digits custom display, with function icons of electrical and electronic waste.

This document and the solutions contained therein are the intellectual property of EVCO and thus pro-
tected by the Italian Intellectual Property Rights Code (CPI). EVCO imposes an absolute ban on the full
or partial reproduction and disclosure of the content other than with the express approval of EVCO. The
customer (manufacturer, installer or end-user) assumes all responsibility for the configuration of the de-
vice. EVCO accepts no liability for any possible errors in this document and reserves the right to make
any changes, at any time without prejudice to the essential functional and safety features of the equip-
ment.

EVCO S.p.A.
Via Feltre 81, 32036 Sedico (BL) ITALY
telefono 0437 8422 | fax 0437 83648
email info@evco.it | web www.evco.it