
CHILLER 607NT-608NT User manual N - REV20160118_EN.docx
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3.0
INSTALLATION AND MAINTENANCE
ATTENTION!
Do not stress hydraulic connections. To lift or move the unit use the wooden base.
3.1
Electrical requirements and wiring
WARNING!
Failure to follow safety warnings exactly could result in serious injury, death
and property damage. Turn off electrical power at fuse box or service panel before
making any electrical connections and ensure a proper ground connection is made
before connecting line voltage.
WARNING!
All electrical work can be performed only by qualified personnel, in
conformity with low and regulations of the country where the system is being mounted.
The electrical connections must be done following the wiring diagrams, supplied with
the unit.
WARNING!
Wires must be sized for the maximum input power following indications on
wiring diagrams.
WARNING!
Use only copper conductors having sufficient size to carry the required
amount of current.
WARNING!
A properly sized circuit breaker must be used, taking into account the water
pumps and chillers.
WARNING!
Power supply must be within allowable range of ±6% of rated voltage, with
proper phase and frequency.
WARNING!
The unit must be properly grounded to reduce the risk of shock or
electrocution.
WARNING!
The electrical connections must be made to the switchboard located inside
the unit and proper external electrical circuit breaker must be used.