Haier 1U71S2SS5FA - Before Installation

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Where corrosive gas, such as sulphurous acid gas, is
produced.
Corrosion of copper pipes or soldered parts may
cause the refrigerant to leak.
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system, andcause malfunction of the equipment.
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Where the air contains high levels of salt such as that
near the ocean.
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In vehicles or vessels.
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Where acidic or alkaline vapour is present.
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The unit may stop for several minutes during
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"thermostat stop" operation.
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This appliance is intended to be used by expert or
trained users in shops, in light industry and on farms,
or for commercial use by lay persons.
Provide a logbook
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international codes, it may be necessary to provide a
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This manual describes the procedures for handling,
installing and connecting 1U~1 units.
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CAUTION
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required. 5HIHUWRSDUDJUDSK6HOHFWLRQRI
piping material" on page 14.
NOTICE: Insulation resistance of the
compressor
If, after installation, refrigerant accumulates in the
compressor, the insulation resistance can drop, but if
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check if the insulation resistance of the comressor
has risen or not.
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refrigerant in the compressor.
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interrupter is triggered:
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frequencies.
This unit has an inverter, so an interrupter capable
of handling high frequencies is needed to prevent
malfunction of the interrupter itself.
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The refrigerant requires strict cautions for keeping the
system clean, dry and tight.
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should be prevented from getting mixed into the system.
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additional refrigerant must be charged in its liquid
state.(If the refrigerant is in state of gas, its composition
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The connected indoor units must be indoor units
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unit installation manual.
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This outdoor unit requires the pipe branching
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for details.
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disconnected discharge thermistor and suction
thermistor, burning of the compressor may occur.
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the plates to avoid mistakes.
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When closing the service panels, take care that the
tigntening torque does not exceed 4.1 N.M.