SERVICE MANUAL
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Service manual V1.08 | Nov-2015 | LM0002-EN
Page 19 of 97
3.2.3
Main Power
Connect proper power supply cable (unit maximum running current is
25A 400/415V AC) to LVLØ using “MAIN POWER” connector.
connector position details are in section 2.2.2
(Connection in acc.
with EN-VDE standard). Recommended wire area is 2.5 mm².
Use screw thread M3 (0.5-0.6 Nm torque) and fasten cable in connector.
NOTE:
Max. „MAIN POWER” cable nominal cross section diameter is 2.5 mm².
Connector description, recommended color code (EU Countries):
Phase Conductor
Neutral
Conductor**
Protective
Conductor
Connector
labeling
L1
L2
L3
N
PE
1 Phase
3 Phase
** For connection without neutral see section 0
NOTE:
Mains power can be lost due to downed lines, malfunctions at a sub-station, inclement weather,
planned blackouts or in extreme cases a grid-wide failure. In LVLØ, all devices responsible for
water treatment processes in swimming pool are powered from 1st phase (L1). With regular
generators or an uninterruptible power source with use of an automatic transfer switch you can
connect Phase 1 (L1) to emergency power.
3.2.4
Power extension
Power extension is an instant output arranged for use as service entrance
equipment and it is fused by main power to connect optional distribution
switchboard if needed.
Extension is protected by Main power breaker – RCCB (see section 3.2.2).
Max. “POWER EXTENSION” cable nominal cross section diameter is 2.5 mm².
3.2.5
Power connection options
LVLØ controller can be connected to 50/60Hz power network, 110-415V three-phase with neutral or 220-
-415V without neutral wire. Connection details are in table below.
Connection in three-phase
with neutral wire
Connection in three-phase
without neutral wire
