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EVCO S.p.A. | Code 1043S205E104 | Page 5 of 8 | PT 04/15 | version 1.0

13

WORKING SET-POINT AND CONFIGURATION PARAMETERS

13.1

Working set-point

PARAM.

MIN.

MAX.

U.M.

EVRS204 EVRS205 WORKING SET-POINT

r1

r2

°C/°F  (1) -18,0

-18,0

working set-point; see also r0

13.2

Configuration parameters

PARAM.

MIN.

MAX.

U.M.

EVRS204 EVRS205 WORKING SET-POINT

SP

r1

r2

°C/°F  (1) -18,0

-18,0

working set-point; see also r0

PARAM.

MIN.

MAX.

U.M.

EVRS204 EVRS205 MEASUREMENT INPUTS

CA1

-25

25,0 °C/°F  (1)

0,0

0,0

offset cell probe

CA2

-25

25,0 °C/°F (1)

0,0

0,0

offset evaporator probe

CA3

-25

25,0 °C/°F  (1)

0,0

0,0

offset condenser probe

P0

0

1

- - -

1

1

probe type
0

=

PTC

1

=

NTC

P1

0

1

- - -

1

1

degree Celsius decimal point (during normal operation)
1

=

YES

P2

0

1

- - -

0

0

temperature unit of measurement (2)
0

=

°C

1

=

°F

P3

0

2

- - -

1

1

evaporator probe function
0

=

probe absent

1

=

defrosting probe and probe for evaporator fan thermostating

2

=

probe for evaporator fan thermostating

P4

0

1

- - -

1

1

third input function
0

=

digital input (door microswitch/multi-function input 1)

1

=

analogue input (condenser probe)

P8

0

250

0,1 s

5

5

delay displaying temperature variation detected by the probes

PARAM.

MIN.

MAX.

U.M.

EVRS204 EVRS205 MAIN REGULATOR

r0

0,1 (3)

15,0 °C/°F  (1)

2,0

2,0

working set-point differential

r1

-99

r2

°C/°F  (1)

-50

-50

minimum working set-point

r2

r1

99,0 °C/°F (1) 50,0

50,0

maximum working set-point

r3

0

1

- - -

0

0

locking of working set-point calibration (using the procedure described in paragraph 9.1)
1

=

YES

r4

0,0

99,0 °C/°F  (1)

0,0

0,0

increase in temperature during “energy saving” function; see also i0, i5 and i10

r5

0,0

99,0 °C/°F  (1)

0,0

0,0

decrease in temperature during “overcooling” function; see also r6

r6

0

240

min

30

30

duration of “overcooling” function; see also r5

PARAM.

MIN.

MAX.

U.M.

EVRS204 EVRS205 COMPRESSROR PROTECTION SYSTEM

C0

0

240

min

0

0

delay in switching on of compressor after the device switches on (4)

C1

0

240

min

5

5

minimum time between two consecutive compressor start-ups; also delay in compressor start-up after conclusion of cell probe error
(code “

Pr1

”) (5) (6)

C2

0

240

min

3

3

minimum compressor switch-off duration; see also C18 (5) (7)

C3

0

240

s

0

0

minimum duration of compressor switch on time

C4

0

240

min

10

10

duration of compressor switch off during cell probe error (code “

Pr1

”); see also C5

C5

0

240

min

10

10

duration of compressor switch on during cell probe error (code “

Pr1

”); see also C4

C6

0,0

199

°C/°F  (1) 80,0

80,0

condenser temperature is higher than that at which the condenser overheating alarm is activated (code “

COH

”) (8)

C7

0,0

199

°C/°F  (1) 90,0

90,0

condenser temperature is higher than the limit at which the compressor blocked alarm is activated (code “

CSd

”)

C8

0

15

min

1

1

blocked compressor alarm delay (code “

CSd

”) (9)

C10

0

999

10 h

0

0

number of operating hours is higher than the limit at which the need for maintenance is signalled
0

=

function absent

C11

0

240

s

3

3

compressor 2 start delay after the start of compressor 1 (only if u1 and/or u11 = 7) (10)

PARAM.

MIN.

MAX.

U.M.

EVRS204 EVRS205 DEFROSTING

d0

0

99

h

8

8

if d8 = 0, 1 or 2, defrosting interval (11)
0

=

interval defrosting will never be activated

if d8 = 3, maximum defrost interval

d1

0

2

- - -

0

0

type of defrosting
0

=

ELECTRIC - during defrosting the compressor will remain off and the defrosting output will be activated; evaporator fan
activity will depend on parameter F2

1

=

BY HOT GAS - during defrosting the compressor will be switched on and the defrosting output will be activated; evaporator
fan activity will depend on parameter F2

2

=

VIA STOPPING OF COMPRESSOR - during defrosting the compressor will remain switched off and the defrosting output will
remain deactivated; evaporator fan activity will depend on parameter F2

d2

-99

99,0 °C/°F  (1)

2,0

2,0

temperature at end of defrosting (only if P3 = 1); see also d3

d3

0

99

min

30

30

if P3 = 0 or 2,  defrosting duration
if P3 = 1, maximum defrosting duration; see also d2
0

=

defrosting will not be activated

d4

0

1

- - -

0

0

defrosting on device switch-on (4)
1

=

YES

d5

0

99

min

0

0

if d4 = 0, minimum time between switching on of device and activation of defrosting; see also i0 and i5 (4)
if d4 = 1, delay in activation of defrosting after device is switched on ; see also i0 and i5 (4)

d6

0

1

- - -

1

1

temperature displayed during defrosting
0

=

cell temperature

1

=

if at the time of defrosting activation, the cell temperature is lower than the “working set-point + r0”, at most “working
set- point + r0”; if at the time of defrosting activation, the cell temperature is higher than the “working set-point + r0”,
at most the cell temperature when defrosting is activated(12)

d7

0

15

min

2

2

dripping duration (during dripping the compressor will remain switched off and the defrosting output will remain deactivated; if d16
= 0, evaporator fan activity will depend on parameter F2; if d16 

 0, the evaporator fan will remain switched off)

d8

0

3

- - -

0

0

defrosting activation methods
0

=

AT INTERVALS - defrosting will be activated once the device has altogether been running for time d0

1

=

AT INTERVALS - FOR COMPRESSOR SWITCH-ON - defrosting will be activated once the compressor has altogether been
switched on for time d0

2

=

AT INTERVALS - FOR EVAPORATOR TEMPERATURE - defrosting will be activated when the evaporator temperature has
remained below the temperature d9 for a total time of d0 (13)

3

=

ADAPTABLE - defrosting will be activated at intervals, whose duration will each time depend on the duration of compressor
switch-ons and the evaporator temperature; see also d18, d19 and d22 (13)

d9

-99

99,0 °C/°F  (1)

0,0

0,0

evaporator temperature is higher than that at which the defrost interval counter is suspended (only if d8 = 2)

d11

0

1

- - -

0

0

enabling of defrosting alarm concluded for maximum duration (code “

dFd

”; only if P3 = 1 and in absence of an evaporator probe

error (code “

Pr2

”)

1

=

YES

d15

0

99

min

0

0

minimum time that the compressor must be switched on before defrosting can be activated (only if d1 = 1) (14)

d16

0

99

min

0

0

predripping duration (during predripping the compressor will remain switched off, the defrosting output will be activated and the
evaporator fan will remain switched off)

Содержание EV3S204

Страница 1: ...ts etc equipment containing powerful magnets large diffusers etc areas affected by direct sunlight rain humidity excessive dust mechanical vibrations or shocks any metal parts next to the control modu...

Страница 2: ...vations of the door microswitch input after the cell temperature has reached the work set point the en ergy saving function is activated until the input is activated again During function Energy Savin...

Страница 3: ...he LED is on the temperatures will be displayed using the degree Celsius grade unit of measure ment see parameter P2 if the LED is flashing the energy saving function is in progress with effect only o...

Страница 4: ...ctors removable screw connection terminal block user interface 6 pole connector serial port The maximum length of the analogue input and digital input connection cables must be less than 10 m 32 808 f...

Страница 5: ...or u11 7 10 PARAM MIN MAX U M EVRS204 EVRS205 DEFROSTING d0 0 99 h 8 8 if d8 0 1 or 2 defrosting interval 11 0 interval defrosting will never be activated if d8 3 maximum defrost interval d1 0 2 0 0 t...

Страница 6: ...4 only if F0 5 F6 0 1 0 0 operation for low or high percentage of relative humidity only if F0 5 25 0 LOW RELATIVE HUMIDITY the evaporator fan will operate in parallel with the compressor see also F4...

Страница 7: ...WTICHING ON THE AUXILIARY OUTPUT the auxiliary output will be switched on only if u1 and or u11 2 until the input is deactivated 11 MULTIFUNCTION SWITCHING OFF THE DEVICE the device will be switched o...

Страница 8: ...is stopped the temperature alarms are absent provided that these were signalled after the activation of defrosting 17 during activation of the door microswitch input the maximum temperature alarm is...

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