Earthing; Finishing; Test Run; Annual Maintenance - Toshiba RAV-SM1603AT-E Installations-Handbuch

Digital Inverter
8

EARTHING

• Be sure to connect earth wire. (grounding work)
Incomplete grounding cause an electric shock.
Connect the earth line properly following applicable technical standards.
Connecting an earth line is essential to prevent electric shock and to reduce noise and electricity charge
on the outdoor unit surface due to high frequency generated by the frequency converter (inverter) in the
outdoor unit.
If you touch the charged outdoor unit without earth line, you may feel electric shock.
9

FINISHING

After the refrigerant pipe, inter-unit wires, and drain pipe have been connected, cover them with finishing
tape and clamp them to the wall with off-the-shelf support brackets or equivalent.
Keep the power wires and indoor/outdoor connecting wires off the valve on the gas side or pipes that
have no heat insulator.
10

TEST RUN

• Turn on the leakage breaker at least 12 hours before starting a test run to protect the
compressor during startup.
To protect the compressor, power is supplied from the 220-240 VAC input to the unit to preheat the
compressor.
• Check the following before starting a test run.
• All pipes are connected securely without leak.
• The valve is open.
If the compressor is operated with the valve closed, the outdoor unit is overpressurized, which may
damage the compressor or other components.
If there is a leak at a connecting part, air is sucked and the internal pressure further increases, which
may cause a burst or injury.
• Operate the air conditioner in the correct procedure specified in the Owner's Manual.
11

ANNUAL MAINTENANCE

• For Air conditioning system which is operated regularly, cleaning and maintenance of the indoor/
outdoor units are strongly recommended.
As a general rule, if an indoor unit is operated for about 8 hours daily, the indoor/outdoor units will need
to be cleaned at least once every 3-month. This cleaning and maintenance shall be carried out by a
qualified person.
Failure to clean the indoor/outdoor units regularly will result in poor performance, icing, water leaking
and even compressor failure.
Outdoor Unit Installation Manual
WARNING
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