English
16 SysHrw
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.
13.2.1. 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
fitted 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:
13.2. LEGEND
13. WIRING DIAGRAM AND LEGEND
13.1. WIRING DIAGRAM
SEE APPENDIX
SE 4254
models 096/120
cooling only or heatpump
3N 400V +/-10% 50Hz
SE 4487
models 096/120 + modbus
cooling only or heatpump
3N 400V +/-10% 50Hz
N 764
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)
400V
096
Ith = 40 A
Pdc = 200 A
25 A aM
20.4 A
32 A aM
27 A
114.6 A
120
Ith = 40 A
Pdc = 200 A
25 A aM
24 A
32 A aM
32 A
122.4 A
13.2.2. DESCRIPTION OF WIRING DIAGRAM REFERENCES
FFG
: Fuses according to chart 1 (not supplied)
Q1
: Main switch (supplied as an option)
FF7
: Magneto-thermal trip switch
KA1
: Phase cut-out and sequence control module
X1
: Connection terminal block
X2
: Connectionr block for wire heating
13.2.2.1. COOLING
M1
: Refrigeration compressor.
K1
: M1 compressor power contactor. (three phase models only)
LP
: Automatic reset Low Pressure pressostat.
HP
: Automatic reset High Pressure pressostat.
RV1
: 4 way valve for cycle inversion.
SW
: condensed water level detector
