Evco EV3B24 - Temperature Alarm Parameters; Evaporator Temperature for Alarm Suspension (d22); Minimum Temperature Alarm Threshold (A1); Maximum Temperature Alarm Threshold (A4)

To Next Page

To Previous Page

d22 0,0 19,9 °C/°F (1) 2,0 evaporator temperature above which the defrost interval count shall be suspended (relating to the average of evaporator temperatures, that

is to say, "evaporator temperatures average + d22”; only if d8 = 3); see also d18

PARAM. MIN. MAX. U.M. DEF. TEMPERATURE ALARMS

A1 0,0 99,0 °C/°F (1) 10,0 room temperature or CPT temperature below which the minimum temperature alarm is triggered (code "AL"; it concerns the working

setpoint, that is to say, "working setpoint - A1"); see also A11

0 = alarm absent

A4 0,0 99,0 °C/°F (1) 10,0 room temperature or CPT temperature above which the maximum temperature alarm is triggered (code “AH”; it concerns the working

setpoint, that is to say, "working setpoint + A4”); see also A11

0 = alarm absent

A6 0 99 10 min 12 delay in maximum temperature alarm (code “AH”) after the device is switched on (5)

A7 0 240 min 15 minimum temperature alarm delay (code "AL") and maximum temperature alarm delay (code "AH")

A8 0 240 min 15 delay in maximum temperature alarm (code “AH”) from the conclusion of evaporator fan standstill (13)

A9 0 240 min 15 delay in maximum temperature alarm (code “AH”) following the deactivation of the door switch input (14)

A11 0,1 15,0 °C/°F (1) 2,0 differential of A1 and A4 parameters

PARAM. MIN. MAX. U.M. DEF. EVAPORATOR FAN AND CONDENSATOR FAN

F0 0 4 - - - 3 evaporator fan activity during normal operation

0 = switched off

1 = switched on; see also F4, F5, i10 and HE2 (15)

2 = in parallel with the compressor; see also F4, F5, F9, F15, F16, i10 and HE2 (16)

3 = depending on F1; see also F4, F5, i10 and HE2 (17) (18)

4 = switched off if the compressor is switched off, depending on F1 if the compressor is switched on; see also F4, F5, i10 and HE2 (17)

(19)

F1 -99 99,0 °C/°F (1) -1,0 evaporator temperature above (if r5 = 0) or below (if r5 = 1) which the evaporator fan is switched off (only if F0 = 3 or 4) (7)

F2 0 2 - - - 0 evaporator fan activity during defrost and dripping

0 = switched off

1 = switched on

2 = depending on F0

F3 0 15 min 2 maximum duration of the evaporator fan stop; see also F7 (during the evaporator fan stop the compressor can remain on, the defrost outlet

shall remain deactivated and the evaporator fan shall remain off)

F4 0 240 10 s 30 duration of the evaporator fan switch off during the "energy saving function"; see also F5, i5, i10 and HE2

F5 0 240 10 s 30 duration of the evaporator fan switch on during the "energy saving function"; see also F4, i5, i10 and HE2

F7 -99 99,0 °C/°F (1) 5,0 evaporator temperature below which the evaporator fan is restarted (in respect to the working setpoint, that is to say “working set-point +

F7”); see also F3

F9 0 240 s 10 evaporator fan stop delay after the stop of the compressor (only if F0 = 2)

F11 0,0 99,0 °C/°F (1) 15,0 condenser temperature above which the condenser fan is switched on (7) (20) (21)

F12 0 240 s 30 condenser fan stop delay after the stop of the compressor

F15 0 240 s 60 duration of the evaporator fan stop when the compressor is turned off; see also F8 (only if F0 = 2)

F15 0 240 s 10 duration of the evaporator fan operation when the compressor is turned off; see also F7 (only if F0 = 2)

PARAM. MIN. MAX. U.M. DEF. DIGITAL INPUTS

i0 0 5 - - - 5 effect caused by the activation of the door micro input; see also i2

0 = no effect

COMPRESSOR AND EVAPORATOR FAN SWITCH-OFF - the compressor and evaporator fan will be switched off (for the duration of

the i3 time max. or until the input is deactivated; in the latter case the evaporator fan shall be turned on 5 s after input deactivation)

(22)

EVAPORATOR FAN SWITCH-OFF - the evaporator fan shall be switched off (for the duration of the i3 time max. or until 5s after input

deactivation)

ROOM LIGHTING SWITCH-ON - the room lighting shall be switched on (until 10 s after input deactivation)

COMPRESSOR AND EVAPORATOR FAN SWITCH-OFF AND ROOM LIGHTING SWITCH-ON - the compressor and evaporator fan will be

switched off (for the duration of thr i3 time max. or until the input is deactivated; in the latter case the evaporator fan shall be turned

on 5 s after the input deactivation) and the room lighting shall be switched on (until 10 s after input deactivation) (22)

EVAPORATOR FAN SWITCH-OFF AND ROOM LIGHTING SWITCH-ON - the evaporator fan will be switched off (for the duration of the

i3 time max. or until 5 s after input deactivation) and the room lighting shall be switched on (until 10 s after input deactivation) (22)

i1 0 1 - - - 0 type of door switch input contact

0 = normally open (active input with closed contact)

1 = normally closed (active input with open contact)

i2 -1 120 min 30 delay in signalling of door switch input alarm (code “id”)

-1 = the alarm will not be signalled

i3 -1 120 min 15 maximum duration of the effect caused by the activation of the door micro on the compressor and evaporator fan

-1 = the effect shall last until the input is deactivated

i5 0 6 - - - 2 effect caused by the activation of the multifunction input

0 = no effect

1=“

ENERGY SAVING” FUNCTION ACTIVATION - the “energy saving” function shall be activated (until the input is deactivated), provided

that the "rapid cooling" function is not in progress; see also r4

MULTIFUNCTION INPUT ALARM ACTIVATION (code “iA”) - the device shall continue working regularly; see also i7

AUXILIARY OUTPUT SWITCH-ON - the auxiliary output shall be switched on (until the input is deactivated)

DEVICE SWITCH-OFF - the device shall be switched off (“stand-by” mode, until the input is deactivated)

COMPRESSOR THERMAL PROTECTION ALARM ACTIVATION (code “Cth”) - the compressor shall be switched off (until the input is

deactivated); see also i7

GLOBAL THERMAL PROTECTION ALARM ACTIVATION (code “th”) - all the utilities shall be switched off (until the input is deactivated

and the device shall be switched off (“stand-by” mode) and switched back on or the power supply is cut); see also i7

i6 0 1 - - - 0 type of multifunction input contact

0 = normally open (active input with closed contact)

1 = normally closed (active input with open contact)

i7 -1 120 min 0 if i5 = 2, delay in signalling of multifunction input alarm (code “iA”)

-1 = the alarm will not be signalled

if i5 = 5 or 6, delay in switching on of compressor after the deactivation of the maximum pressure switch alarm (code “Cth”) and after the

deactivation of the global protection alarm (code “th”)

-1 = reserved

i10 0 999 min 0 time that must pass in absence of door switch input activations (after the room temperature or CPT temperature has reached the working

setpoint) for the “energy saving” function to be activated; see also r4, F4, F5 and HE2

0 = the function will never be activated due to the effect of this condition

i13 0 240 - - - 180 number of door switch input activations such as to provoke the defrost activation

0 = defrost will never be activated due to the effect of this condition

i14 0 240 min 32 minimum duration of the door switch input activation such as to provoke the defrost activation

0 = defrost will never be activated due to the effect of this condition

PARAM. MIN. MAX. U.M. DEF. DIGITAL OUTPUTS

u1 0 7 - - - 0 utility managed through the K4 digital output (23)

ROOM LIGHTING - see parameters i0 and u2

DEMISTER HEATING ELEMENTS - see parameter u6

AUXILIARY OUTPUT - see parameters i5 and u2

ALARM OUTPUT