EVCO S.p.A. | EV3B24 | Data sheet ver. 1.0 | Code 1043B24E104 | Page 4 of 6 | PT 12/15
3 = if P4 = 0, “- - -”
if P4 = 1, condenser temperature
if P4 = 2, critical temperature
if P4 = 3, outlet air temperature
4 = if P4 = 0, 1 o 2, “- - -”
if P4 = 3, inlet air temperature
P7 0 100 % 50 inflowing air temperature percentage for the calculation of the CPT temperature
P8 0 250 0,1 s 5 delayed display of temperature changes as detected by the probes
PARAM. MIN. MAX. U.M. DEF. MAIN REGULATOR
r0 0,1 15,0 °C/°F (1) 2,0 working setpoint differential; see also r12
r1 -99 r2 °C/°F (1) -40 minimum working setpoint
r2 r1 199,0 °C/°F (1) 50,0 maximum working setpoint
r4 0,0 99,0 °C/°F (1) 0,0 working setpoint increase during the “energy saving" function; see also i5, i10 and HE2
r5 0 1 - - - 0 cooling or heating operation (4)
0 = cooling
1 = heating
r6 0,0 99,0 °C/°F (1) 0,0 if r5 = 0, working setpoint decrease during the “rapid cooling” function (only if r8 = 1); see also r7
if r5 = 1, working setpoint increase during the “rapid heating” function (only if r8 = 1); see also r7
r7 0 240 min 30 if r5 = 0, “rapid cooling” function duration (only if r8 = 1); see also r6
if r5 = 1, “rapid heating” function duration (only if r8 = 1); see also r6
r8 0 2 - - - 0 this function can be enabled/disabled with the key
0 = none
1 = if r5 = 0, “Rapid cooling” function
if r5 = 1, “Rapid heating” function
2 = “energy saving” function (only if r5 = 0)
r12 0 1 - - - 1 working setpoint differential type
0 = asymmetric
1 = symmetric
PARAM. MIN. MAX. U.M. DEF. COMPRESSOR PROTECTION SYSTEM
C0 0 240 min 0 delay in switching on of compressor after the device switches on (5)
C2 0 240 min 3 minimum compressor switch-off duration (6)
C3 0 240 s 0 minimum duration of compressor switch on time
C4 0 240 min 10 duration of compressor switch off time during a room temperature probe error or inlet air probe error (code “Pr1”); see also C5
C5 0 240 min 10 duration of compressor switch on time during a room temperature probe error or inlet air probe error (code “Pr1”); see also C4
C6 0,0 199 °C/°F (1) 80,0 condenser temperature is higher than that at which the condenser overheating alarm is activated (code “COH”) (7)
C7 0,0 199 °C/°F (1) 90,0 condenser temperature above which the compressor shut down alarm is activated (code “CSd”)
C8 0 15 min 1 compressor shut down alarm delay (code “CSd”) (8)
C10 0 999 10 h 0 number of compressor operation hours above which the request for maintenance is triggered
0 = the request shall never be triggered
PARAM. MIN. MAX. U.M. DEF. DEFROST
d0 0 99 h 8 if d8 = 0, 1 or 2, defrost interval
0 = interval defrost will never be activated
if d8 = 3, maximum defrost interval
d1 0 2 - - - 0 type of defrost
0=
ELECTRIC - during defrost the compressor will remain off and the defrost output will be activated; evaporator fan activity will depend
on F2 parameter
1=
BY HOT GAS - during defrost the compressor will be switched on and the defrost output will be activated; evaporator fan activity will
depend on F2 parameter
2=
VIA STOPPING OF COMPRESSOR - during defrost the compressor will remain switched off and the defrost output will remain
deactivated; evaporator fan activity will depend on F2 parameter
d2 -99 99,0 °C/°F (1) 2,0 evaporator temperature at end of defrost; see also d3
d3 0 99 min 30 if P3 = 0 or 2, defrost duration
if P3 = 1, maximum defrost duration; see also d2
0 = defrost will not be activated
d4 0 1 - - - 0 defrost when device is switched on (5)
1 = YES
d5 0 99 min 0 if d4 = 0, minimum time between switching on of device and activation of defrost (5)
if d4 = 1, delay in activation of defrost after device is switched on (5)
d6 0 2 - - - 1 magnitude displayed during defrost (only if P5 = 0)
0 = room temperature or CPT temperature
1 = if on activation of defrost, the room temperature or CPT temperature is below the “work setpoint + + ∆t”, at maximum “ work
setpoint + ∆t”; if on activation of defrost, the room temperature or CPT temperature is above “work setpoint + ∆t”, at maximum
the room temperature or CPT temperature on activation of defrost (9) (10)
2 = label “dEF”
d7 0 15 min 2 dripping duration (during dripping the compressor will remain switched off and the defrost output will remain deactivated; if d16 = 0,
evaporator fan activity will depend on F2 parameter); if d16 ≠ 0, the evaporator fan shall remain off)
d8 0 3 - - - 0 defrost activation methods
0=
AT INTERVALS - FOR TIME - defrost will be activated once the device has altogether been running for time d0
1=
AT INTERVALS - FOR COMPRESSOR SWITCH-ON - defrost will be activated once the compressor has altogether been switched on
for time d0
2=
AT INTERVALS - FOR EVAPORATOR TEMPERATURE - defrost will be activated when the evaporator temperature has remained below
the temperature d9 for a total time of d0 (11)
3=
ADAPTIVE - defrost will be activated at intervals, whose duration will each time depend on the duration of compressor switch-ons,
the evaporator temperature and the door switch input activation; see also d18, d19, d20, d22, i13 and i14 (11)
d9 -99 99,0 °C/°F (1) 0,0 evaporator temperature is higher than that at which the defrost interval counter is suspended (only if d8 = 2)
d11 0 1 - - - 0 defrost alarm switches off once maximum time limit has been reached (code “dFd”; only if P3 = 1 and in absence of evaporator probe error
(code “Pr2”)
1 = YES
d15 0 99 min 0 minimum time that the compressor must be switched on before defrost can be activated (only if d1 = 1) (12)
d16 0 99 min 0 pre-dripping duration (during dripping the compressor will remain switched off, the defrost output will be activated and the evaporator fan shall
remain off)
d18 0 999 min 40 defrost interval (defrost will be activated when the compressor has been on totally, with the evaporator temperature below that of d22, for
time d18; only if d8 = 3)
0 = defrost will never be activated due to the effect of this condition
d19 0,0 40,0 °C/°F (1) 3,0 evaporator temperature below which the defrost is activated (relative to the evaporator temperatures average, or “evaporator temperatures
average - d19”; only if d8 = 3)
d20 0 999 min 180 minimum consecutive time the compressor must be switched on such as to provoke the defrost activation
0 = defrost will never be activated due to the effect of this condition
d21 0 500 min 200 minimum duration of compressor continuous operation from the switching on of the device (provided that the "cell temperature - working
setpoint" or "CPT temperature - working setpoint" difference exceeds 10 °C/20 °F) and from the activation of the "rapid cooling" function so
as to start the defrost
0 = defrost shall never be activated as a consequence of this condition
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