129
INSTALLATION
INSTALLATION
2.11.3
Resistance to short circuit current
Description
NXC - NXH
044
048
056
064
072
080
084
096
104
122
142
164
Value without upstream protection
Short assigned current (1s)
3.36
3.36
3.36
3.36
3.36
3.36
3.36
5.62
5.62
5.62
5.62
5.62
Icw
kA eff
Admissible assigned
peak current
20
20
20
20
20
15
15
20
20
15
20
15
Ipk
kA pk
Value with upstream protection
Conditional short circuit
assigned
current
40
40
40
40
40
40
40
40
40
40
30
30
Icc
kA eff
Associated
Schneider switch - Compact
series
(1)
NS100H NS100H NS100H NS100H NS100H NS100H NS100H NS100H NS160H NS160H NS250H NS250H
-
(1) If another type of switch is used, check that its characteristics are compatible with those of the Schneider compact series indicated
in the table.
2.11.4
Auxiliary connections to be performed by the installer
Scheda
SIOB 1
J1
J34
J3
J23
J22
J9
CR
CS1
CF CDS
CRH
Factory connections
Connections to be made by the installer
32
33
65
66
73
74
75
76
34
CS
CL1
CL2
37
38
35
49
49A
63
64
30
31
59
60
OA
OC
Scheda
AUX 1
J2
CR1
51
52
53
54
55
56
57
58
69
70
CR2
CR3
CR4
CA
NXC-NXH 044-084
CR
Remote on/off contact
CS
Setpoint management contact
CL1
Load 1 limitation contact
CL2
Load 2 limitation contact
CF
Flow switch contact
CRH
Heating/cooling mode switch
contact
OC
Compressor on/off signal output
OA
Remote alarm signal output
CDS
Desuperheater mode switch contact
(*)
CS1
Setpoint management contact
(4-20 ma) (*)
CR1
Electric heating element 1 contact(*)
CR2
Electric heating element 2 contact(*)
CR3
Electric heating element 3 contact(*)
CR4
Electric heating element 4 contact(*)
CA
Auxiliary boiler contact (*)
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Страница 169: ...169 ALARM CODES INSTALLATION ...
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