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Accessories electrical installation
SMGB0066 rev.0 - 12/2009
Electrical wiring
Service Manual
3
3.5.2. WEH- Water Electric Heater
General check
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Ensure that the field-supplied electrical components (main power switches, circuit breakers, wires, connectors and
1.
wire terminals) have been properly selected according to the electrical data indicated. Make sure that they comply
with national and regional electrical codes.
Electrical connection must be done by professional installers.
2.
Make sure that the power supply voltage is /-10% of the rated voltage.
3.
Make sure that power supply has an impedance low enough to warranty not reduce the starting voltage more than
4.
85% of the rated voltage.
Check that the earth wire is securely connected, tagged and locked in accordance with national and local codes.
5.
Connect a fuse of specified capacity.
6.
Check periodically the electrical connection tightening
7.
danger
Electrical hazard. Can cause serious injuries or death.
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Do not connect or adjust any wiring or connections unless the main power switch is OFF.
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Make sure that all the power sources are switched OFF.
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Check that the earth wire is securely connected, tagged and locked in accordance with national and local
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codes.
Check and test to ensure that if there is more than one source of power supply, that all are turned OFF.
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Check to ensure that the screws of the terminal block are tightly tightened.
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Crash hazard. Can cause serious injuries.
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Check to ensure that Yutaki fans are stopped before electrical wiring work or periodical check is performed.
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caution
Damage to wires. Risk of fire.
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Protect the wires, drain pipe and electrical parts from water, rats or other small animals. If not protected, rats
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may damage unprotected parts.
Wrap the accessory packing around the wires, and plug the wiring connection hole with the seal material to
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protect the product from any condensed water and insects.
Tightly secure the wires with the cord clamp inside the unit.
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Electrical wiring must comply with national and local codes. Contact your local authority in regards to
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standards, rules, regulations, etc.
Check that the ground wire is securely connected.
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Electrical installation
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Install the unit in a restricted area not accessible by the general public.
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Follow local codes and regulations when selecting field wires, circuit breakers and earth Leakage breakers. (See
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Heater manual).
Customer connection:
