Advertisement
18. WIRING DIAGRAM
1.4
PIN DESCRIPTION
I/O
oA2
Relay outputs
P1 to P2
Temperature probes
D.I.
Digital input 1
Hot Key / Freq
Hotkey connector and Frequency output for VSC
Line
Relay Power Supply "Line"
Terminal 6
Neutral for high and low voltage power supply
Terminal 7
Line for high and low voltage power supply
19. DEFAULT SETTING VALUES
Description
Label
SEt
Set Point
LS
Minimum Set point
US
Maximum Set point
Compressor regulation differential in normal
HY
mode
Variable Speed Compressor Differential in
HY1
normal mode
odS
Output activation delay at start-up
AC
Anti-short cycle delay
Maximum time with compressor on
MCo
(0=disabled)
Regulation percentage=F(P1; P2) (100=P1;
rtr
0=P2)
CCt
Maximum duration for Pull Down
Pull Down phase differential (SET+CCS or
CCS
SET+HES+CCS)
Threshold for automatic activation of Pull
oHt
Down in normal mode (SET+HY+oHt)
Con
Compressor ON time with faulty probe
CoF
Compressor OFF time with faulty probe
PbC
Probe selection
ot
Probe P1 calibration
P2P
Probe P2 presence
oE
Probe P2 calibration
Minimum value for Variable Speed
FMi
Compressor (RPM * 10)
Maximum value for Variable Speed
FMA
Compressor (RPM * 10)
Output value when Variable Speed
Fr0
Compressor is OFF
tSt
PI regulator: temperature sampling time
iSt
PI regulator: integral sampling time
Signal output variation for Variable Speed
voS
Compressor (SET-HY≤T≤SET+HY)
Signal output variation for Variable Speed
vo2
Compressor (SET-HY-HY1≤T<SET-HY e
SET+HY<T≤SET+HY+HY1)
Signal output variation for Variable Speed
vo3
Compressor (SET-HY-HY1<T e
T>SET+HY+HY1)
Variable Speed Compressor (in percentage)
PdP
during any Pull Down
Time with Variable Speed Compressor at
t1F
minimum before stopping it
Compressor speed (in %) in case of any
SPi
probe error during Con interval
Compressor speed (in %) during any defrost
Aod
cycle (valid if tdf=in)
Compressor speed during any pre-defrost
AoF
phase (valid if tdf=in)
tHv
PI regulator: max interval for output variation
tLv
PI regulator: min interval for output variation
PI regulator: range for output value
rSr
calculation (RPM * 10)
Str
PI regulator: delay before range drift
PI regulator: divisor for PI response time
dPt
reduction (acts on both par. tSt and iSt)
Sampling time to calculate the average
SAt
compressor speed before any desfrost cycle
1592029740 XRi20CH EN r2.0 2021.07.14
DESCRIPTION
LT
NT
Level
Unit
-20.0
3.0
°C
-50.0
-50.0
Pr2
°C
50.0
50.0
Pr2
°C
0.3
2.0
Pr1
°C
0.7
1.0
Pr1
°C
1
1
Pr1
min
30
1
Pr1
sec
0
0
Pr2
min
100
0
Pr2
00:00
01:00
Pr2
hh:mm
0.0
0.0
Pr2
°C
0.0
0.0
Pr2
°C
20
20
Pr2
min
5
5
Pr2
min
ntC
ntC
Pr2
0.0
0.0
Pr1
°C
no
no
Pr2
0.0
0.0
Pr2
°C
200
200
Pr2
RPM*10
450
450
Pr2
RPM*10
0
0
Pr2
RPM*10
01:00
01:00
Pr2
sec
10.00
05:00
Pr2
sec
2
3
Pr2
RPM*30
5
7
Pr2
RPM*30
7
10
Pr2
RPM*30
90
nU
Pr2
%
0
0
Pr2
min
30
80
Pr2
%
70
0
Pr2
%
50
0
Pr2
%
90
30
Pr2
sec
30
10
Pr2
sec
40
120
Pr2
RPM*10
60
20
Pr2
sec
2
1
Pr2
8
1
Pr2
min
CMn
Continuous control ON in normal mode
CME
Continuous control ON in energy saving
Compressor speed threshold to activate
MnP
lubrication (valid only for variable speed
compressors, 0=disabled)
Time range with compressor speed below
tMi
MnP to activate lubrication cycle
Time range with compressor speed at 100%
tMA
to activate lubrication cycle
Temperature measurement unit: Celsius;
CF
Fahrenheit
rES
Temperature resolution: decimal, integer
Lod
Probe default displayed
Temperature display delay (resolution 10
dLy
sec)
Probe visualization percentage=F(P1;P2)
dtr
(ex: dtr=1 means VALUE=0.01*P1+0.99*P2)
tdF
Defrost type: electric heating, hot gas
dFP
Probe selection for defrost control
dtE
End defrost temperature
Interval between two successive defrost
idF
cycles
MdF
Maximum length of defrost cycle
dSd
Start defrost delay
Compressor off-cycle before starting any
StC
defrost
dFd
Displaying during defrost
Temperature display delay after any defrost
dAd
cycle
Fdt
Draining time
Drain heater enabled after draining time (par.
Hon
Fdt)
dPo
Defrost cycle enebled at stat-up
Pd2
Defrost output deactivation delay
dAF
Pre-defrost time
FAP
Probe selection for evaporator fan
FSt
Evaporator fan stop temperature
HyF
Evaporator fan regulator differential
FnC
Evaporator fan operating mode
Fnd
Evaporator fan delay after defrost cycle
Differential temperature for cyclic activation
FCt
of evaporator fans (0=disabled)
Ft
Evaporator fan controlled during defrost
Evaporator fan ON time in normal mode
Fon
(with compressor OFF)
Evaporator fan OFF time in normal mode
FoF
(with compressor OFF)
FAC
Probe selection for condenser fan
St2
Set Point 2 Regulation (for condenser fan)
Hy2
Set Point 2 differential (for condenser fan)
FCC
Condenser fan operating mode
Fd4
Condenser fan deactivation delay
ALP
Probe selection for temperature alarms
Temperature alarms configuration: relative,
ALC
absolute
ALU
High temperature alarm
ALL
Low temperature alarm
AFH
Temperature alarm differential
ALd
Temperature alarm delay
dAo
Temperature alarm delay at start-up
AP2
Probe selection for 2nd temperature alarm
AL2
2nd low temperature alarm
AU2
2nd high temperature alarm
AH2
2nd temperature alarm differential
Ad2
2nd temperature alarm delay
dA2
2nd temperature alarm delay at start-up
Compressor OFF due to 2nd low
bLL
temperature alarm
Compressor OFF due to 2nd high
AC2
temperature alarm
SAF
Differential for anti-freezing control
tbA
Alarm relay deactivation
oA2
Relay output oA2 configuration
AOP
Alarm relay polarity
1Ao
Analogue output 1 configuration
XRi20CH
yes
no
Pr2
yes
no
Pr2
nu
nu
Pr2
%
00:00
00:00
Pr2
hh:mm
0
0
Pr2
min
°C
°C
Pr2
dE
dE
Pr2
P1
P1
Pr2
00:00
00:00
Pr2
min
99
99
Pr2
in
in
Pr2
nP
nP
Pr2
8.0
12.0
Pr1
°C
12
12
Pr2
hh
30
30
Pr1
min
0
0
Pr1
sec
0
0
Pr2
sec
dEF
dEF
Pr2
0
0
Pr2
min
5
5
Pr2
min
00:00
00:00
Pr2
hh:mm
no
no
Pr2
0
0
Pr2
sec
0
0
Pr2
min
nP
nP
Pr2
0.0
10.0
Pr2
°C
1.0
2.0
Pr2
°C
C_n
C_n
Pr2
5
0
Pr2
min
1
0
Pr2
°C
no
no
Pr2
0
0
Pr2
min
0
0
Pr2
min
nP
nP
Pr2
0.0
15.0
Pr2
°C
1.0
10.0
Pr2
°C
O_n
C_n
Pr2
0
0
Pr2
sec
P1
P1
Pr2
Ab
Ab
Pr1
150.0
150.0
Pr1
°C
-100.0
-100.0
Pr1
°C
2.0
2.0
Pr1
°C
0
0
Pr1
min
00:00
00:00
Pr1
hh:mm
nP
nP
Pr1
-20.0
0.0
Pr2
°C
20.0
0.0
Pr2
°C
2.0
0.1
Pr2
°C
0
0
Pr2
min
00:00
00:00
Pr2
hh:mm
no
no
Pr2
no
no
Pr2
0.0
0.0
Pr2
°C
yes
yes
Pr2
LiG
LiG
Pr2
CL
CL
Pr2
FrE
FrE
Pr2
6/8
Advertisement
