Page 72
Rev 3 Service Manual MCC Hot / Cold 2021
EWPlus EO LVD
9/12
PAR. DESCRIPTION
RANGE
M.U.
EWPlus 961 EO LVD
EWPlus 971 EO LVD
EWPlus 974 EO LVD
AP1 AP2 AP3 AP4 AP1 AP2 AP3 AP4 AP1 AP2 AP3 AP4
dFn Night mode offset.
0,1 ... 30,0
°C/°F
4,0
4,0
2,0
0,1
4,0
2,0
4,0
4,0
4,0
2,0
4,0
0,1
SPF Fast cooling setpoint.
LSE ... HSE
°C/°F
0,0
0,0
-0,5 -6,8
0,0
-0,5 -2,0
0,0
0,0
-0,5 -2,0 -6,8
dFF Fast cooling offset.
0,1 ... 30,0
°C/°F
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
ESP Virtual door regulator's sensitivity.
0 ... 5
num
0
0
0
0
0
0
0
0
0
0
0
0
dOt Maximun Time Door Open with virtual door switch.
0 ... 255
sec
0
0
0
0
0
0
0
0
0
0
0
0
COMMUNICATION
("Add" folder)
NOTE: all parameters available in the folder are not available in the vectors.
PtS (!) Communication protocol selection (
t
= Televis;
d
= ModBus).
t/d
flag
t
t
t
dEA (!) Device address: indicates the device address to the management protocol.
0...14
num
0
0
0
FAA (!) Family address: indicates the device family to the management protocol.
0...14
num
0
0
0
Pty (!) Modbus parity bit setting (
n
= none;
E
= even;
o
= odd).
n/E/o
flag
n
n
n
StP (!) Modbus stop bit setting.
1b/2b
flag
1b
1b
1b
DISPLAY
("diS" folder)
LOC
LOCk. Setpoint change shutdown. There is still the possibility to enter into
parameters programming and modify these, including the status of this
parameter to permit keyboard shutdown.
n
= no;
y
= yes.
n/y
flag
n
n
n
n
n
n
n
n
n
n
n
n
PS1 PAssword 1. When enabled (
PS1
≠
0
), this is the access key to level 1
parameters (
User
).
0...250
num
0
0
0
0
0
0
0
0
0
0
0
0
PS2 PAssword 2. When enabled (
PS2
≠
0
), this is the access key to level 2
parameters (
Installer
).
0...250
num
15
15
15
15
15
15
15
15
15
15
15
15
ndt Display with decimal point.
n
= no (integers only);
y
= yes (displayed with decimal point).
n/y
flag
y
y
y
y
y
y
y
y
y
y
y
y
CA1
Calibration 1. Positive or negative temperature value added to the value
read by
Pb1
. This sum is used both for the temperature displayed and for
regulation.
-12,0...12,0
°C/°F
0,0
0,0
0,0
0,0
0,0
0,0
0,0
0,0
0,0
0,0
0,0
0,0
CA2
Calibration 2. Positive or negative temperature value added to the value
read by
Pb2
. This sum is used both for the temperature displayed and for
regulation.
-12,0...12,0
°C/°F
0,0
0,0
0,0
0,0
0,0
0,0
0,0
0,0
ddL
Display mode during defrost.
0
= display the temperature read by
Pb1
;
1
= locks the reading on the temperature value read by
Pb1
when
defrosting starts, and until the next time the
SEt
value is reached;
2
= displays the label
deF
during defrosting, and until the next time the
SEt
value is reached. (or until
Ldd
has elapsed).
0/1/2
num
1
1
1
1
1
1
1
1
1
1
1
1
Ldd Timeout value for display unlock -
dEF
label
0 ... 255
min
30
30
30
30
30
30
30
30
30
30
30
30
dro
Select °C or °F for displaying the temperature read by probes.
0
= °C,
1
= °F.
NOTE: switching between °C and °F or vice-versa DOES NOT modify
the SEt, diF values, etc. (e.g. Setpoint=10°C becomes 10°F).
0/1
num
0
0
0
0
0
0
0
0
0
0
0
0
ddd Selection of type of value to be displayed.
0
= Setpoint;
1
= probe Pb1;
2
= probe Pb2;
3
= not used.
0/1/2/3
num
1
1
1
1
1
1
1
1
1
1
1
1
CONFIGURATION
("CnF" folder)
- NOTE: the instrument must be switched off and then on again each time folder CnF parameter configuration is modified to prevent
any malfunction of the configuration and/or current timer operations.
H08
Stand-by operating mode.
0
= display switch off; the loads are active and the device reactivates the
display to signal any alarms;
1
= display switch off, loads and alarms stopped;
2
= display with OFF label, loads and alarms stopped.
0/1/2
num
2
2
2
2
2
2
2
2
2
2
2
2
H11
Configuration of digital input 1/polarity (D.I.1).
0
= disabled;
± 1
= defrost;
± 2
= reduced SET;
±3
= AUX;
± 4
= door switch;
± 5
= external alarm;
± 6
= stand-by (ON-OFF);
± 7
= pressure switch;
± 8
= deep cooling;
± 9
= energy saving;
±10
= door energy saving.
N.B.:
- the “+” sign indicates that the input is active if the contact is closed
- the “-” sign indicates that the input is active if the contact is open
-10 ... 10
num
10
0
9
9
10
9
10
10
10
9
10
9
H12 Configuration of digital input 2/polarity (D.I.2). Same as H11.
-10 ... 10
num
0
0
0
0
0
0
0
0
0
0
0
0
H21
Configurability of digital output 1 (A).
0
= disabled;
1
= compressor;
2
= defrost;
3
= Fans;
4
= alarm;
5
= AUX;
6
= Stand-by;
7
= not used;
8
= condenser fan change rotation;
9
= retain valve.
0 ... 9
num
1
1
1
1
1
1
1
1
1
1
1
1
H22 Configurability of digital output 2 (B). Analogo a H21.
0 ... 9
num
5
5
2
3
3
3
2
8
H23 Configurability of digital output 3 (C). Analogo a H21.
0 ... 9
num
5
5
3
5
H25 Enable/Disable buzzer.
0
= disabled;
4
= enabled;
1-2-3-5-6-7-8-9
= not used
0 ... 9
num
0
0
0
0
0
0
0
0
0
0
0
0
H32
Configurability of DOWN key.
0
= disabled;
1
= defrost;
2
= AUX;
3
= reduced SET;
4
= Stand-by;
5
= deep cooling;
6
= energy saving
0 ... 6
num
0
0
0
0
2
2
0
0
2
2
0
2
H33 Configurability of ESC key. Same as H32
0 ... 6
num
4
4
4
4
4
4
4
4
4
4
4
4
H42 Evaporator probe present (
Pb2
).
n
= not present;
y
= present.
n/y
flag
y
y
y
y
y
y
y
y
reL reLease firmware. Device version: read-only parameter
/
/
/
/
/
/
/
/
/
/
/
/
/
/
tAb tAble of parameters. Reserved: read-only parameter
/
/
/
/
/
/
/
/
/
/
/
/
/
/
COPY CARD
("Fpr" folder)
UL Upload. Programming parameter transfer from instrument to Copy Card.
/
/
/
/
/
/
/
/
/
/
/
/
/
/
Fr
Format Copy Card. Erase all data contained in the Copy Card.
ATTENTION: If parameter “Fr” is used, the data entered will be
permanently lost. This operation cannot be cancelled
/
/
/
/
/
/
/
/
/
/
/
/
/
/
FUNCTION
("FnC" folder)
The following function is available in the ‘
FnC
’ folder:
Function
Function label ACTIVE
Function label INACTIVE
alarm signalled
Reset pressure switch alarms
rAP
rAP
Led ON
NOTES:
• To modify the status of a specified function press the ‘set’ button
• If the unit is switched off, the function labels go back to their default status.
Summary of Contents for Cold MCC
Page 20: ...Page 20 Rev 3 Service Manual MCC Hot Cold 2021 Circuit diagram evaporator tray...
Page 21: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 21 Wiring diagram evaporator tray...
Page 29: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 29 5 1 MCC 90 Drop in Dimensions Self Serve...
Page 39: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 39 6 0 Installation Front door section...
Page 77: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 77 Page intentionally left blank...
Page 103: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 103 Page intentionally left blank...
Page 139: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 139 17 0 Electrical schematics MCC Cold Self Serve...
Page 140: ...Page 140 Rev 3 Service Manual MCC Hot Cold 2021...
Page 141: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 141 17 1 Electrical wiring MCC Cold Self Serve N L...
Page 142: ...Page 142 Rev 3 Service Manual MCC Hot Cold 2021...
Page 143: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 143 17 2 Circuit Diagram MCC Hot Full Serve...
Page 144: ...Page 144 Rev 3 Service Manual MCC Hot Cold 2021 17 3 Electrical wiring MCC Hot Full Serve...
Page 145: ...Rev 3 Service Manual MCC Hot Cold 2021 Page 145...
Page 146: ...Page 146 Rev 3 Service Manual MCC Hot Cold 2021...