User guide

EVCO S.p.A. | Codice 104RS200E214 | Page 5 of 8 | PT 24/13 | version 2.1
14 WORKING SETPOINT AND CONFIGURATION PARAMETERS
14.1 Working set-point
PARAM. MIN. MAX. U.M. EVRS204 EVRS205 WORKING SETPOINT
r1 r2 °C/°F (1) -18,0 -18,0 working set-point; see also r0
14.2 Configuration parameters
PARAM. MIN. MAX. U.M. EVRS204 EVRS205 WORKING SETPOINT
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 thermosatating
P4 0 1 - - - 1 1 third input function
0 = digital input (micro switch/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 10.1)
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 above which the blocked compressor alarm is activated (“CSd” code)
C8 0 15 min 1 1 blocked compressor alarm delay (“CSd” code) (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 switch-on delay from compressor 1 switch-on (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 se P3 = 0 or 2, defrosting duration
se 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 TEMPERATUREE - 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 defrosting alarm switches off once maximum time limit has been reached (code “dFd”; only if P3 = 1 and in absence of an
evaporator probe (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)