The installing electrician is responsible to ensure electrical compliance with all local and national wiring rules and standards
- Connection to the Electricity Supply
It is a requirement of Seeley International that all coolers be wired with a dedicated circuit to the distribution board adhering to Local and National wiring standards. Ensure that the power supply corresponds to the rating indicated on the serial plate.
RPB600-1000 coolers have either 25mm diameter knockouts or holes in the corner pillars and side panels, use one of these holes for the conduit entry. Wire the unit in accordance with the wiring diagram supplied and the local supply regulations.
RPB1200-1800 ) have a separate mains isolator located on a corner pillar. Wire the mains power to the isolator.
- Mounting the Control Switch - Mount the control switch in the most desirable location.
- Two Speed Three Phase Units
Controls for two speed air conditioners are 240 Volt Clipsal switch plate pattern.
No adjustment of minimum or maximum speed is necessary.
Control circuit wiring is via a 240V 5 wire system.
Wire the unit in accordance with the wiring diagram supplied and the local supply regulations.
- Circuit Breakers
The type of Circuit Breaker refers to the current range at which the circuit breaker trips instantaneously. When selecting the type of circuit breaker, it is important to consider the maximum current that can be expected during normal operation, which most of the time is during equipment start-up. In other words, the type of circuit breaker must be selected so that it allows the inrush (start-up) current without tripping, but not higher run (normal operation) currents.
Type B Circuit Breakers
Typical Minimum instantaneous inrush trip current on start-up: 3 to 5 times breaker rated current.
This type of circuit breaker is used for purely resistive loads, or loads with a very small inductive component.
· Lighting circuits (non-inductive)
· General purpose outlets
Type C Circuit Breakers
Typical Minimum instantaneous inrush trip current on start-up: 5 to 10 times breaker rated current.
This type of circuit breakers is used for loads with a moderate inductive component, typically electrical equipment which uses low-kW motors or specific types of lighting:
· Domestic Air conditioners (Small Induction Motors)
· Residential / Commercial Pumps
· Fans
· Lighting which uses ballasts with an inductive component
Type D Circuit breakers
Typical Minimum instantaneous inrush trip current on start-up: 10 to 20 times breaker rated current.
This type of circuit breaker is used for loads with a very high inductive component, typically found in industrial settings:
· Commercial Air Conditioners (Large typically 3 phase induction motors)
· Large transformers
· Compressors
· X-ray equipment
· Welding equipment
Regards
Seeley International
Technical Support
Phone:1300 650 399
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