Precautions - Lennox COMFORT Installation Manual

1. PRECAUTIONS

SAFETY CONSIDERATIONS
Installation and servicing of air conditioning equipment can be hazardous due to system pressure and
electric components. Only trained and qualified service personnel should install, repair or service air
conditioning equipment.
All other operations should be performed by trained service personnel. When working on air
conditioning equipment, observe precautions in the literature, tags and labels attached to the unit and
other safety precautions that may apply. Follow all safety codes. Wear glasses and work gloves. Use
quenching cloth for brazing and unbrazing operations. There are fire extinguishers available for all
brazing operations.
WARNING
This manual describes the installation of specified indoor and outdoor units. Do not install them
connected with any other indoor or outdoor unit .Mismatching of units and incompatibility between
control devices in the two units could lead to damage of both units .
WARNING
Before performing service or maintenance operations on system, turn off main power switch of the unit.
Electrical shock could cause personal injury.
This unit shall be installed in accordance with national wiring regulations.
WARNING
If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or similarly
qualified person in order to avoid a hazard.
The means for disconnection from the supply having a contact separation of at least 3 mm in all poles.
CAUTION
1. Wire the outdoor unit, then wire the indoor unit. You are not allow to connect the air conditioner with
the power source until wiring and piping the air conditioner is done.
2. For installation of the indoor unit, outdoor unit, and connection piping in between, follow the
instructions given in this manual as strictly as possible.
3. Installation in the following places may cause trouble. If it is unavoidable using in such places,
please consult with the dealer.
(1) A place full of machine oil.
(2) A saline place such as coast.
(3) Hot-spring resort.
(4) A place full of sulfide gas.
(5) A place where there are high frequency machines such as wireless installation, welding
machine, medical facilities.
(6) A place of special environmental conditions.
4. Don't install this unit in the laundry.
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