EVCO EVR274N9 - Manual (Page 5)

EVCO S.p.A. | Code 104R200E114 | Page 5 of 10 | PT 14/13 | version 1.1
3 outputs (electromechanical relays) in EVR203, EVR233,
EVR263 and EVR273 models
-
1 x 30 A res. output @ 250 VAC type SPST (K1) for
compressor management in models with power supply
of 115... 230 VAC, 1 x 16 A in-rush res. output @ 250
VAC type SPST (K1) for compressor management in
models with power supply of 230 VAC
- 1 x 8 A res. output @ 250 VAC type SPDT (K2) for cell
light or defrosting management
- 1 x 5 A res. output @ 250 VAC type SPST (K3) for
management of the evaporator fan.
4 outputs (electromechanical relays) in EVR204, EVR234,
EVR264 and EVR274 models
-
1 x 30 A res. output @ 250 VAC type SPST (K1) for
compressor management in models with power supply
of 115... 230 VAC, 1 x 16 A in-rush res. output @ 250
VAC type SPST (K1) for compressor management in
models with power supply of 230 VAC
- 1 x 8 A res. output @ 250 VAC type SPDT (K2) for
defrosting management
- 1 x 5 A res. output @ 250 VAC type SPST (K3) for
management of the evaporator fan
- 1 x 8 A res. output @ 250 VAC type SPST (K4) for
management of the cell light, demisting resistors, aux.
output, alarm output, door resistors, evaporator valve
or condenser fan.
The maximum load current allowed is 10 A.
Type 1 or Type 2 actions: Type 1.
Complementary features of Type 1 or Type 2 actions: C.
Communication port: 1 x TTL serial port with MODBUS
communication protocol (for EVKEY programming key and
other EVCO products).
Operation with EVT100 remote indicator is only allowed in
models with power supply of 115... 230 VAC.
Signal buzzer and alarm: on request.
13 WORKING SET-POINT AND CONFIGURATION PARAMETERS
13.1 Working set-point
PARAM. MIN. MAX. U.M. EVR221 EVR261 EVR202 EVR203 EVR263 EVR204 EVR264 WORKING SET-POINT
EVR231 EVR271 EVR232 EVR233 EVR273 EVR234 EVR274
r1 r2 °C/°F (1) -18,0 -18,0 0,0 -18,0 -18,0 -18,0 -18,0 working set-point; see also r0
13.2 Configuration parameters
PARAM. MIN. MAX. U.M. EVR221 EVR261 EVR202 EVR203 EVR263 EVR204 EVR264 WORKING SET-POINT
EVR231 EVR271 EVR232 EVR233 EVR273 EVR234 EVR274
SP r1 r2 °C/°F (1) -18,0 -18,0 0,0 -18,0 -18,0 -18,0 -18,0 working set-point; see also r0
PARAM. MIN. MAX. U.M. EVR221 EVR261 EVR202 EVR203 EVR263 EVR204 EVR264 MEASUREMENT INPUTS
EVR231 EVR271 EVR232 EVR233 EVR273 EVR234 EVR274
CA1 -25 25,0 °C/°F (1) 0,0 0,0 0,0 0,0 0,0 0,0 0,0 offset cell probe
CA2 -25 25,0 °C/°F (1)not avail.not avail. 0,0 0,0 0,0 0,0 0,0 offset evaporator probe
CA3 -25 25,0 °C/°F (1)not avail.not avail.not avail.not avail.not avail. 0,0 0,0 offset condenser probe
P0 0 1 - - - 1 1 1 1 1 1 1 probe type
0
= PTC
1 = NTC
P1 0 1 - - - 1 1 1 1 1 1 1 degree Celsius decimal point (during normal operation)
1
= YES
P2 0 1 - - - 0 0 0 0 0 0 0 temperature unit of measurement (2)
0
= °C
1 = °F
P3 0 2 - - - not avail.not avail. 1 1 1 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 - - - not avail.not avail.not avail.not avail.not avail. 1 1 fourth input function
0
= digital input (multi-function input 2)
1 = analogue input (condenser probe)
P6 0 4 - - - 0 0 reserved 0 0 0 0 value displayed by the remote indicator (not significant in models with 230 VAC
power supply)
0
= cell temperature
1 = work set-point
2 = evaporator temperature
3 = “cell temperature - evaporator temperature”
4 = condenser temperature (only if P4 = 1)
P8 0 250 0.1 s 5 5 5 5 5 5 5 delay displaying temperature variation detected by the probes
PARAM. MIN. MAX. U.M. EVR221 EVR261 EVR202 EVR203 EVR263 EVR204 EVR264 MAIN REGULATOR
EVR231 EVR271 EVR232 EVR233 EVR273 EVR234 EVR274
r0 0,1 (3) 15,0 °C/°F (1) 2,0 2,0 2,0 2,0 2,0 2,0 2,0 working set-point differential
r1 -99 r2 °C/°F (1) -50 -50 -50 -50 -50 -50 -50 minimum working set-point
r2 r1 99,0 °C/°F (1) 50,0 50,0 50,0 50,0 50,0 50,0 50,0 maximum working set-point
r3 0 1 - - - 0 0 0 0 0 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 0,0 0,0 0,0 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 0,0 0,0 0,0 0,0 0,0 decrease in temperature during “overcooling” function; see also r6
r6 0 240 min 30 30 30 30 30 30 30 duration of “overcooling” function; see also r5
r8 0 1 - - - 0 0 0 not avail.not avail.not avail.not avail. operation in cooling or heating (4)
0 = for cooling
PARAM. MIN. MAX. U.M. EVR221 EVR261 EVR202 EVR203 EVR263 EVR204 EVR264 COMPRESSROR PROTECTION SYSTEM
EVR231 EVR271 EVR232 EVR233 EVR273 EVR234 EVR274
C0 0 240 min 0 0 0 0 0 0 0 delay in switching on of compressor after the device switches on (5)
C1 0 240 min 5 5 5 5 5 5 5 minimum time between two consecutive compressor start-ups; also delay in com-
pressor start-up after conclusion of cell probe error (code “Pr1”) (6) (7)
C2 0 240 min 3 3 3 3 3 3 3 minimum compressor switch-off duration; see also C18 (6) (8)
C3 0 240 s 0 0 0 0 0 0 0 minimum duration of compressor switch on time
C4 0 240 min 10 10 10 10 10 10 10 duration of compressor switch off during cell probe error (code “Pr1”); see also C5
C5 0 240 min 10 10 10 10 10 10 10 duration of compressor switch on during cell probe error (code “Pr1”); see also C4
C6 0,0 199 °C/°F (1)not avail.not avail.not avail.not avail.not avail. 80,0 80,0 condenser temperature is higher than that at which the condenser overheating alarm
is activated (code “COH”) (9)
C7 0,0 199 °C/°F (1)not avail.not avail.not avail.not avail.not avail. 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 not avail.not avail.not avail.not avail.not avail. 1 1 blocked compressor alarm delay (“CSd” code) (10)
C10 0 999 10 h 0 0 0 0 0 0 0 number of operating hours is higher than the limit at which the need for maintenance
is signalled
0
= function absent
C14 0 300 V not avail. 200 not avail.not avail. 200 not avail. 200 mains voltage, below which the compressor is not switched on
C15 0 C14 V not avail. 190 not avail.not avail. 190 not avail. 190 mains voltage below which the compressor is switched off; see also C17
C16 C14 300 V not avail. 255 not avail.not avail. 255 not avail. 255 mains voltage above which the compressor is switched off or is not switched on; see
also C17