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Cooling and Heating Recovery Mode Exchanger
1 Safety Precautions
(1)
This product can't be installed at corrosive, inflammable or explosive environment or the place with
special requirements, such as kitchen. Otherwise, it will affect the normal operation or shorten the
service life of the unit, or even cause fire hazard or serious injury. As for above special places, please
adopt special air conditioner with anti-corrosive or anti-explosion function.
(2)
Follow this instruction to complete the installation work. Please carefully read this manual before unit
startup and service.
(3)
Wire size of power cord should be large enough. The damaged power cord and connection wire should
be replaced by exclusive cable.
(4)
After connecting the power cord, please fix the electric box cover properly in order to avoid accident.
(5)
Never fail to comply with the nitrigen charge requirements. Charge nitrogen when welding pipes.
(6)
Never short-circiut or cancel the pressure switch to prevent unit damage.
(7)
Please firstly connect the wired controller before energization, otherwise wired controller cannot be
used.
(8)
Before using the unit, please check if the piping and wiring are correct to avoid water leakage, refrigerant
leakage, electric shock, or fire etc.
(9)
Do not insert fingers or objects into air outlet/inlet grille.
(10) Open the door and window and keep good ventilation in the room to avoid oxygen deficit when the
gas/oil supplied heating equipment is used.
(11) Never start up or shut off the air conditioner by means of directly plug or unplug the power cord.
(12) Turn off the unit after it runs at least five minutes; otherwise it will influence oil return of the compressor.
(13) Do not allow children operate this unit.
(14) Do not operate this unit with wet hands.
(15) Turn off the unit or cut off the power supply before cleaning the unit, otherwise electric shock or injury
may happen.
(16) Never spray or flush water towards unit, otherwise malfunction or electric shock may happen.
(17) Do not expose the unit to the moist or corrosive circumstances.
(18) Under cooling mode, please don't set the room temperature too low and keep the temperature difference
between indoor and outdoor unit within 5ºC(41ºF).
(19) User is not allowed to repair the unit. Fault service may cause electric shock or fire accident s. Please
contact LENNOX appointed service center for help.
(20) Before installation, please check if the power supply is in accordance with the requirements specified on
the nameplate. And also take care of the power safety.
(21) Installation should be conducted by dealer or qualified personnel. Please do not attempt to install the
unit by yourself. Improper handling may result in water leakage, electric shock or fire disaster etc .
(22) Be sure to use the exclusive accessory and part to prevent the water leakage, elect ric shock and fire
accidents.
(23) Make sure the unit can be earthed properly and soundly after plugging into the socket so as to avoid
electric shock. Please do not connect the ground wire to gas pipe, water pipe, lightning rod or telephone
line.
(24) Electrify the unit 8 hours before operation. Please switch on for 8 hours before operation. Do not cut off
the power when 24 hours short-time halting (to protect the compressor).
(25) If refrigerant leakage happens during installation, please ventilate i mmediately. Poisonous gas will
emerge if the refrigerant gas meets fire.
(26) Volatile liquid, such as diluent or gas will damage the unit appearance. Only use soft cloth with a little
neutral detergent to clean the outer casing of unit.
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