Sanyo SGP-E120J2GU2, User Manual

Page: 100 / 175

Construction
E - 13
3. Points regarding electrical construction (indoor unit)
■ Carefully read the “Cautions regarding safety” before beginning the installation work and electrical construction work.
■ The precautions given in this manual consist of specific[ Warnings ]and [ Cautions ]. They are all important items regarding
safety, so they must be carried out.
Their meanings are as described below.
Warning ： Indicates situations in which faulty operation could result in the possibility of serious personal injury or even death.
Caution ： Indicates situations in which faulty operation could result in the danger of personal injury or physical damage.
❋
After completion of the installation and during test run, confirm that there are no abnormalities. Also, in accordance with the
“Operating manual”, explain to the customer how to operate and maintain the system. Also, ask the customer to keep copies of “To
those undertaking the installation construction” and “To those undertaking the electrical construction” together with the
“Operating manual”
Cautions regarding safety
●
The installation and electrical work should be entrusted to the dealer where this system was purchased, or a professional installer.
Incomplete installation carried out by yourself can result in leakage, electric shocks or fire.
●
The installation and electrical work should be carried out, in accordance with “To those undertaking the installation construction”, “
To those undertaking the electrical construction”. If there is a defect in the installation then this can result in water or refrigerant
leakage, electric shocks, or fire.
●
The electrical installation should be carried out by an properly qualified electrician, in accordance with “Technical criteria for
electrical equipment”, “Electrical wiring regulations”, “To those undertaking the installation construction”, “ To those undertaking
the electrical construction”, and the specification for power supply for gas heat pump air conditioners, and be certain to provide a
dedicated power circuit. If the power circuit has insufficient capacity, or if there is a defect in the electrical construction then this
can result in an electric shock, or cause fires.
●
Use a dedicated branch circuit for the electrical cabling, and do not share it with other equipment. Secondary damage can occur as
a result of the circuit breaker tripping.
●
Use only the specified cable (type, size) and carefully join them. Ensure that external force from the cable does not transmit to the
terminals by securing them properly. If the cable joints are not stable then this can result in heat generation and cause fires.
●
If a refrigerant gas leak should occur during construction work, ventilate the area. If refrigerant gas comes in contact with fire then
poisonous gas is generated.
●
For separately sold air purifiers and humidifiers, be sure to use products specified by the company. Also, installation should be
carried out by a specialist contractor. If a defect occurs due to installing by yourself this can result in electrical shocks or fires, or
water leaks.
Warning
(2) Cautions regarding electrical construction
●
Install a grounding connection. Do not connect the grounding cable to gas pipes, water pipes, lightning conductors, or telephone
grounging cables. If the grounding is not sound then this can cause electric shocks.
●
The grounding terminal is inside the electrical equipment box. (D type grounding connection (used to be type 3 grounding
connection)).
●
Static electricity can cause noise, so be sure to install a grounding connection.
●
Be sure to fix a grounding leakage breaker. If a grounding leakage breaker is not installed then this can result in electrical shocks
and fires.
●
Do not install indoor units in locations where flammable gases are generated, flow in, accumulate or leak, or where volatile
flammable materials are handled. This could cause fires due to flammable materials or flammable gases igniting.
Caution
●
Power supply cables and indoor/outdoor operation cables should be fixed using “cord fastening fittings” supplied with the indoor
unit. The cables should not touch any of the following. If there is a defect in the fixing, then this could result in an electric shock
or fires.
1)Electric motors or other high temperature or moving equipment.
2)Refrigerant piping, small diameter pressure reading test pipe, and other parts of the refrigeration circuit.
3)Sharp edges of fixing metals or other objects.
Warning
●
After connecting the cable to the indoor unit, seal the gap at the power inlet with putty.
●
Make sure that no cables are incorrectly connected. (Incorrectly connected cables could cause breakdown)
●
Do not use the same cable for the electrical power supply (AC 230V etc.), the remote control cable and the indoor/outdoor operation
cable, or bring these cables close to each other.
●
Use different signal cable for the remote control cable and the indoor/outdoor operation cable, so that they can be distinguished from
each other.
●
Keep the indoor unit power cable, the remote control cable and the indoor/outdoor operation cables at least 3m from television, radio,
stereo, interphone, personal computer, word processor, and telephone including antenna, operation, and power cables. This can
cause
noise and other undesirable effects.
■
Cautions regarding electrical cabling construction