Safety Precautions - York YKCA 18 Installation & Owner's Manual

REQUIRED TOOLS
1. Screw driver 9.
2. Hexagonal wrench 10. Gas leak detector
3. Torque wrench 11. Vacuum pump
4. Spanner 12. Pipe clamp
5. Reamer 13. Pipe cutter
6. Hole core drill 14. Flare tool set
7. Tape measure 15. Electrical circuit tester
8. Thermometer

SAFETY PRECAUTIONS

• Please read this installation manual carefully before starting installation of the unit.
• This air conditioning system contains refrigerant under pressure, rotating parts and electrical connection which
may be dangerous and can cause injury. Installation and maintenance of this air conditioning system should only
be carried out by trained and qualified personnel.
• After unpacking, please check the unit carefully for possible damage.
• Before undertaking any work on the unit, make sure that the power supply has been disconnected.
WARNING & CAUTIONS
EXTENDED PARTS
Manifold gauge 1. Refrigerant pipe
2. Pipe insulation material (Polyethylene foam 9 mm thick)
3. Vinyl tape
4. Putty
Do not attempt to install this unit by yourself. This unit requires installation by
qualified persons.
Do not attempt to service the unit yourself. This unit has no user serviceable
components. Opening or removing the cover will expose you to dangerous
voltage. Tuning off the power supply will not prevent potential electric shock.
Never put hands or objects into the Air Outlet of indoor or outdoor units. These
units are installed with a fan running at high speed. To touch the moving fan will
cause serious injury.
To avoid the risk of serious electrical shock, never sprinkle or spill water or liquid on unit.
Ventilate the room regularly while the air conditioner is in use, especially if there
is also a gas appliance in use in this room. Failure to follow these directions may
result in a loss of oxygen in the room.
To prevent electric shock, turn off the power or disconnect the power supply plug
before beginning any cleaning or other routine maintenance. Follow the directions
for cleaning in this manual
Do not use liquid cleaners or aerosol cleaners, use a soft and dry cloth for cleaning
the unit. To avoid electric shock, never attempt to clean the unit by sprinkling water.
Do not use caustic household drain cleaners in the unit. Drain cleaners can quickly
destroy the unit components (drain pan and heat exchanger coil, etc.)
For proper performance, operate the unit in temperature and humidity ranges
indicated in this manual. If the unit is operated beyond these conditions, it may
cause abnormal functions of the unit or dew dripping from the unit.
Models 18
Liquid 1/4 inch
Gas 1/2 inch
YORK INSTALLATION & OWNER'S MANUAL (EN) 035M80090-000
24 30-48
3/8 inch 1/2 inch
5/8 inch 3/4 inch
3
ENGLISH