York JVOHQ Series Installation & Maintenance Manual page 6

WARNING
!
● Please do not use sprays such as pesticide, oil paint, hair spray or other flammable gases within 1
meter of the unit.
● If the circuit breaker acts or fuse acts frequently, please stop the system operation immediately and
contact your local dealer or customer service.
● Ensure that the grounding wire is securely connected. If not, it may cause an electrical failure. Do
not connect the grounding wire to the gas pipe, tap water pipe, lightning rod or telephone grounding
wire.
● Use fuse of specified capacity.
● While you perform brazing, ensure that there are no combustible around it. Please wear leather
gloves while using refrigerant to prevent freezing.
● Prevent mice and other small animals damaging the wiring and the electrical components. If
unprotected parts are bitten, it may lead to fire.
● Securely connect and fix the wiring, do not apply external force on terminal blocks, this may cause
the terminal to loosen and can cause a fire.
● Ensure that the foundation is robust enough to install the unit. If not, the appliance can fall and break.
● Do not install the unit in the presence of large amounts of oil, steam, organic solvents and corrosive
gases (ammonia, sulphide and acid, so on). Because corrosion may cause refrigerant leakage,
electrical failure, performance degradation and unit damage.
● Please follow the installation manual and all the relevant provisions, standards for electrical
construction. Otherwise, electric failure of fire may occur due to insufficient capacity or mismatch of
specifications.
● Use specified wiring between the units and select the correct wiring between the appliances.
Otherwise,it will cause an electrical malfunction or fire.
● Make sure that the terminals are tightened with the specified torque. Otherwise it will cause a fire or
electrical fault at the terminal block.
● If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
● If there is fire, please cut-off the power supply immediately.
● This appliance can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been given
supervision or instruction concerning use of the appliance in a safe way and understand the hazards
involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be
made by children without supervision.
● Means for disconnection from the supply mains, which have a contact separation in all poles that
provide full disconnection under overvoltage category III conditions, must be incorporated in the fixed
wiring in accordance with the wiring rules.
● The appliance shall be installed in accordance with national wiring regulations.
● The maximum working pressure is 4.15MPa. This maximum working pressure shall be considered
when connecting the outdoor unit to indoor units.
● The refrigerant used in the outdoor unit is R410A. Please refer to "Additional Refrigerant Charge" of
this manual for the refrigerant charging.
● The outdoor unit shall only be connected to indoor units suitable for the same refrigerant (R410A).
● The unit is a partial unit air conditioner, complying with partial unit requirements of the International
Standard, and must only be connected to other units that have been confirmed as complying with
corresponding partial unit requirements of the International Standard.
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