1592021021 XC1008-1011-1015D GB A5 r.1.5A 12.10.2009 XC1008-1011-1015D 29/66
otA2 =
for the optimization of the suction pressure/temperature, (dynamic set point) circuit 2
(dynamic set of suction circuit 2)
AI27
Probe 4 AUX calibration:
-12.0 ÷ 12.0
°
C; -120 ÷ 120 °F
AI28
Alarm relay on with auxiliary probe fault:
nu =
relay not present;
ALr:
all the C(i) outputs set as ALr;
ALr1:
all C(i) outputs set as ALr1,
ALr2:
all C(i) outputs set as ALr2.
6.1.6
Safety Digital Inputs (Di2-Di13)
DI2
Low pressure switch polarity (term. 52 - 53) – circuit 1:
oP=
LP d.i. enabled by voltage absence;
cL=
LP d.i. enabled by voltage presence.
DI3
Low pressure switch polarity (term. 56 - 57) – circuit 2:
oP=
LP d.i. enabled by voltage absence;
cL=
LP d.i. enabled by voltage presence.
DI4
High pressure switch polarity (term. 54 - 55) – circuit 1:
oP=
HP d.i. enabled by voltage absence;
cL=
HP d.i. enabled by voltage presence.
DI5
High pressure switch polarity (term. 58 - 59) – circuit 2:
oP=
HP d.i. enabled by voltage absence;
cL=
HP d.i. enabled by voltage presence.
DI6
Relay activated in case of pressure switch alarm:
nu =
no relay activation, only visual signalling;
Alr:
all the C(i) outputs set as ALr;
ALr1:
all the C(i)
outputs set as ALr1,
ALr2:
all the C(i) outputs set as ALr2
DI7
Compressor alarm inputs polarity - circuit 1
oP=
d.i. enabled by voltage absence;
cL=
d.i. enabled by voltage presence.
DI8
Compressor alarm inputs polarity - circuit 2
oP=
d.i. enabled by voltage absence;
cL=
d.i. enabled by voltage presence.
DI9
Fan alarm inputs polarity - circuit 1
oP=
d.i. enabled by voltage absence;
cL=
d.i. enabled by voltage presence.
DI10
Fan alarm inputs polarity - circuit 2
oP=
d.i. enabled by voltage absence;
cL= d.i. enabled by voltage presence.
DI11
Manual reset of compressor alarms signalled by d.i.
no =
automatic recover of alarm: regulation restart when the correspondent digital input is disabled
yES =
manual recover for the alarms of compressors
DI12
Manual reset of fan alarms signalled by d.i.
no =
automatic recover of alarm: a fan restarts when the correspondent digital input is disabled
yES =
manual recover for the alarms of fan
DI13
Relay activated in case of compressor or fan alarms:
nu =
no relay activation, only visual signalling;
Alr:
all the C(i) outputs set as ALr;
ALr1:
all the C(i)
outputs set as ALr1,
ALr2:
all the C(i) outputs set as ALr2
6.1.7
Digital Inputs (Di14-Di27)
DI14
Polarity of configurable digital input 1 (term 36-37)
oP:
the digital input is activated by opening the contact;
CL:
the digital input is activated by closing the contact.
DI15
Function of configur. configurable digital input 1 (term. 36-37)
ES1
= energy saving circuit 1
ES2
= energy saving circuit 2
OFF1 =
circuit 1 stand –by
OFF2 =
circuit 2 stand –by
LL1 =
liquid level alarm for circuit 1
LL2 =
liquid level alarm for circuit 2