English
19SYSHRW
230 Single phase models:
Connection to the terminals N, L and
of the regulation board or the Q1 switch supplied as an
option.
² L : phase
² N : neutral
² : P-E ground
400 V three phase models:
Connection to the terminals N; L1; L2; L3 and PE of the general terminal block X or the Q1 switch
supplied as an option.
12.2.1. POWER SUPPLY
The power supply must be protected by an FFG mains circuit breaker or fuses supplied by the installer.
A switch, in compliance with the characteristics detailed in Chart 1, can be supplied as an option. (It must be
tted near the unit if supplied by the installer).
All the electrical installations and wiring associated with this equipment must comply with local installations
regulations.
CHART 1:
12.2. LEGEND
12. WIRING DIAGRAM AND LEGEND
12.1. WIRING DIAGRAM
SEE APPENDIX
SE 4250 model 19 cooling only or heatpump 230V +/-10% 50Hz
SE 4484 model 19 + Modbus cooling only or heatpump 230V +/-10% 50Hz
SE 4251 model 27/30/36 cooling only or heatpump 3N 400V +/-10% 50Hz
SE 4462 model 27/30/36 + Modbus cooling only or heatpump 3N 400V +/-10% 50Hz
SE 4252 model 42/48/60 cooling only or heatpump 3N 400V +/-10% 50Hz
SE 4485 model 42/48/60 + Modbus cooling only or heatpump 3N 400V +/-10% 50Hz
SE 4253 model 72 cooling only or heatpump 3N 400V +/-10% 50Hz
SE 4486 model 72 + Modbus cooling only or heatpump 3N 400V +/-10% 50Hz
N 724
MODELS
CHARACTERISTIC OF
SWITCH Q1
(gauges minimum for
switch)
without heating with heating
Starting
amperage
Fuse aM
Full load
current (max)
Fuse aM
Full load
current (max)
230V 19
Ith=20 A Pdc=200 A 10A aM 9.6 A 16A aM 14.5 A 38 A
400V
27
Ith=20 A Pdc=200 A 10A aM 7.6 A 10A aM 9.1 A 34.5 A
30
Ith=20 A Pdc=200 A 10A aM 9.8 A 10A aM 10 A 43.5 A
36
Ith=20 A Pdc=200 A 12A aM 10.5 A 12A aM 11.5 A 49.5 A
42
Ith=20 A Pdc=200 A 16A aM 14 A 16A aM 14 A 54 A
48
Ith=20 A Pdc=200 A 20A aM 17.5 A 20A aM 17.5 A 62 A
60
Ith=20 A Pdc=200 A 20A aM 17.8 A 20A aM 18.5 A 71 A
72
Ith=25 A Pdc=200 A 25A aM 22.5 A 25A aM 23.5 A 108 A
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