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5.6 - Field control wiring
IMPORTANT: Field connection of interface circuits may
lead to safety risks: Any control box modification must
maintain equipment conformity with local regulations.
Precautions must be taken to prevent accidental electrical
contact between circuits supplied by different sources:
•
The routing selection and/or conductor insulation
characteristics must ensure dual electric insulation.
•
In case of accidental disconnection, conductor fixing
between different conductors and/or in the control
box prevents any contact between the conductor ends
and an active energised part.
Selection of minimum and maximum wire sections for connection to 30XA units
30XA
Max.
connectable
section*
Section
mm² (per phase) mm² (per phase) m
252
2 x 185
302
2 x 185
352
2 x 185
402
2 x 185
452
2 x 185
2 x 185
504
502
2 x 185
602
2 x 240
702
2 x 240
752
2 x 240
802
2 x 240
854
2 x 240
852
2 x 240
904
2 x 240
902
2 x 240
1002
4 x 300
Circuits A and B/C (common routing)
2 x 240/3 x 240
1112
1212
2 x 240/3 x 240
1312
2 x 240/3 x 240
1382
2 x 240/3 x 240
1402
2 x 240/2 x 240
1502
4 x 300/2 x 240
1702
2 x 240/2 x 300
Option 81
1402
8 x 240
1502
8 x 240
1112
5 x 240
1212
5 x 240
5 x 240
1312
1382
5 x 240
*
Connection capacities actually available for each machine, defined according to the connection terminal size, the control box access opening size and the available
space inside the control box.
** Selection simultation result considering the hypothesis indicated.
*** If the maximum calculated section is for an XLPE cable type or specified "not compatible", this means that it exists a risk to exceed the real connection capacity
available. Special attention must be given to the selection.
Note: The currents considered are given for a machine equipped with a hydronic kit operating at maximum current.
28
Calculation favourable case:
Suspended aerial lines (standardised routing No. 17)
XLPE insulated cable
Section**
Max. length for
voltage drop <5%
1 x 95
190
1 x 95
190
1 x 120
197
1 x 150
200
1 x 185
205
1 x 240
205
1 x 240
205
2 x 95
190
2 x 120
198
2 x 120
198
2 x 150
200
2 x 150
200
2 x 150
200
2 x 185
205
2 x 185
205
2 x 240
205
1 x 185/2 x 120
291/240
1 x 240/2 x 150
310/270
2 x 120/2 x 120
260/240
2 x 120/2 x 150
240/270
2 x 240/1 x 240
280/310
2 x 300/1 x 240
300/310
2 x 185/2 x 185
260/260
-
-
-
-
Refer to the 30XA/30XAS/30XW Touch Pilot control
manual and the certified wiring diagram supplied with the
unit for the field control wiring of the following features:
•
Remote on/off switch
•
Demand limit external switch
•
Remote dual set point
•
Alarm, alert and operation report
•
Evaporator pump control
•
Heat reclaim condenser pump control (option)
•
Hot water valve control (option)
•
Set point reset via outside air temperature sensor
reset
•
Various interlocks on the Energy
ManagementModule (EMM) board (option).
Calculation unfavourable case:
Conductors in conduits or multi-conductor cables in closed conduit
(standardised routing No. 41)
PVC insulated cable, if possible
Cable type
Section**
mm² (per phase) m
XLPE Cu
2 x 95
XLPE Cu
2 x 95
XLPE Cu
2 x 95
XLPE Cu
2 x 120
XLPE Cu
2 x 150
XLPE Cu
2 x 185
XLPE Cu
2 x 185
XLPE Cu
2 x 240
XLPE Cu
2 x 185
XLPE Cu
2 x 240
XLPE Cu
2 x 240
XLPE Cu
2 x 240
XLPE Cu
2 x 240
XLPE Cu
Not compatible
XLPE Cu
Not compatible
XLPE Cu
4 x 185
XLPE Cu
2 x 240/3 x 240
XLPE Cu
2 x 150/2 x 240
XLPE Cu
2 x 240/2 x 240
XLPE Cu
2 x 240/2 x 240
XLPE Cu
Not compatible
XLPE Cu
4 x 240/2 x 150
XLPE Cu
Not compatible
-
-
-
-
Max. length for
Cable type***
voltage drop <5%
450
PVC Cu
420
PVC Cu
390
PVC Cu
400
PVC Cu
420
PVC Cu
430
PVC Cu
430
PVC Cu
440
PVC Cu
330
XLPE Cu
370
XLPE Cu
330
XLPE Cu
320
XLPE Cu
320
XLPE Cu
-
-
-
-
320
XLPE Cu
600/530
PVC Cu/PVC Cu
380/380
XLPE Cu/XLPE/Cu
420/400
XLPE Cu/XLPE Cu
400/380
XLPE Cu/XLPE Cu
-
-
400/380
XLPE Cu/XLPE Cu
-
-
-
-
-
-
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