CAUTION
Heat building up at motor housing and pump casing
Pump overheating!
▷
Never insulate the motor and electronic system housings.
5.6 Electrical connection
DANGER
Electrical connection work by unqualified personnel
Danger of death from electric shock!
▷
Always have the electrical connections installed by a trained and qualified
electrician.
▷
Observe regulations IEC 60364 and, for explosion-proof models, EN 60079.
DANGER
Work performed on an energised terminal box
Danger of death from electric shock!
▷
Switch off the supply voltage at least 5 minutes prior to commencing work and
ensure that it cannot be switched on again unintentionally.
WARNING
Incorrect connection to the mains
Damage to the mains network, short circuit!
▷
Observe the technical specifications of the local energy supply companies.
1.
Check the available mains voltage against the data on the name plate.
2.
Select an appropriate start-up method.
NOTE
The cable must be of type H05VV-F 3G1 or similar, with an outside diameter
≥ 7.2 mm. Circuit breaker: 10/16 A (minimal rated current x 1.4) slow blowing fuse
or automatic circuit breaker type C.
NOTE
If the pump set is to be switched off by means of an owner-supplied mains relay,
this relay must meet the following requirements as a minimum: rated
current ≥ 10 A, rated voltage 250 VAC.
NOTE
Connection to the power supply must be effected by means of a fixed power cable
with a minimum cross-section of 3 x 1.5 mm
2
, which is fitted with a plug-type
connection or an all-pole isolating switch with a minimum contact opening of
3 mm.
5 Installation at Site
Rio-Eco N / Rio-Eco Z N / Rio-Eco Therm N
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