AERMEC Variable Multi Flow VMF-E18X Manuel D'utilisation Et D'installation page 21

ELECTRONIC BOARD CONNECTIONS
Connections key:
L - N = Power supply
230V AC - 50Hz
Screw clamps
Minimum cable section = 0.5mm
Maximum cable section = 2.0mm
= EARTH connection
Screw clamp
Minimum cable section = 0.5mm
Maximum cable section = 2.0mm
Y1 = VC/VF control
Screw clamps
Minimum cable section = 0.5mm
Maximum cable section = 1.3mm
Maximum cable length = 30m
Y2 = Accessory control
Screw clamps
Minimum cable section = 0.5mm
Maximum cable section = 1.3mm
Maximum cable length = 30m
N = Neutral
Faston-type connector
Minimum cable section = 0.5mm
FUSE = Protection fuse
Delayed 4A fuse
V3 - V2 - V1 = Inverter module power
supply
Faston-type connector
Dedicated link
CN24 = 0-10V Inverter command
Dedicated link
CN26 = Inverter fault reverse
Dedicated link
SA = Air probe
Analogue input
Removable-type connector
Maximum cable length = 3m
2
2
SW = Water probe
(2 pipes / 4 pipes on heating
exchanger)
Analogue input
2
Faston-type connector
2
Maximum cable length = 3m
SW1 = Water probe
(4 pipes on cooling exchanger)
2
Analogue input
2
Removable-type connector
Maximum cable length = 3m
SP = Presence sensor
Digital input
2
Screw clamps
2
Minimum cable section = 0.2mm
Maximum cable section = 1.0mm
Maximum cable length = 30m
CE = External contact
2
Digital input
Screw clamps
Minimum cable section = 0.2mm
Maximum cable section = 1.0mm
Maximum cable length = 100m
MS = Microswitch
Sliding contact
Maximum cable length = 3m
Out 0-10V
Rif.Inverter
Out 0-10V
In Fault
Inverter
RS485 / E5 = Supervision serial +
Power supply VMF-E5 (5 Poles)
Removable-type connector
Shielded cable size AWG22-5
(0,34 mm - 5 poles + shield)
2
Maximum cable length for the
complete network = 30 m
RS485 = Supervision serial
Removable-type connector
Shielded cable size AWG22-3
(0,34 mm - 3 poles + shield)
2
Maximum cable length for the
complete network = 1000m
E5 = VMF-E5 power supply
Removable-type connector
Shielded cable size AWG22-2
(0,34 mm - 2 poles + shield)
2
Maximum cable length = 30m
2 TTL = Local serial
Removable-type connector
2
Shielded cable size AWG22-3
(0,34 mm 2 - 3 poles + shield)
Total maximum cable length = 30m
(see the diagram showing the connec-
tions between the units)
2
2 E2-E3-E4 = Connection to the control
panel
Dedicated connector
Shielded Twisted Pair cable (Data
transmission cable),
size AWG 22-24
(0.33 - 0.20 mm
Fuse
AVMFE18LJ1710 - 6795748_02
- 4 poles + shield)
2
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