GREAT WATER Isotemp 0551R Installation And Operating Instructions Manual - Page 5

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3.5 Electrical Connections

The tank is supplied with a pre-wired power cord that can be fitted with a connector or wired

into an electrical connection box.

All US tanks are supplied with a 750 watt 110VAC heating element. Current draw on this circuit

will be 7 to 8 amps. Please protect this circuit with an appropriate sized circuit breaker. Rec-

ommended wiring: good quality 12/2 tinned duplex boat wire.

under the connection cover where the power connections are made. Always unplug the heater

and/or turn off all circuit breakers and disconnect shore power connections before removing

the connection cover. The electrical circuit is controlled by a service thermostat set at 167°F

(75°C) and by two overheat protectors that are set at 203°F (95°C). If the overheat protectors

trip they must be manually reset. This is done by pressing the small rectangular button in the

center of the protector. See Fig. 3.

Fig. 3

El ec tr ic al

he atin g e le m en t

A diagram of the electrical circuit is also provided. See Fig. 4.

ELECTRICAL

HEATER

Fig. 4

Ov er loa d p ro te ctio n

m anu al res et button s

SERVICE

THERMOSTAT

There is a three terminal strip

Th erm osta t

(at 75 °C / 16 7° F)

OVERHEAT

PROTECTION

green-yellow

black

blue

OVERHEAT

PROTECTION

green

black

white

PLATE

SOCKET