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