Introduction; R-410A - General Info - CIAT EREBA 8H Installation Manual

1 - InTroducTIon

1.1 - R-410A - General info

• This air conditioner adopts the new HFC refrigerant
(R410A) which does not destroy ozone layer.
• R-410A refrigerant operates at 50%-70% higher
pressures than R-22. Be sure that servicing equipment
and replacement components are designed to operate
with R-410A.
• R-410A refrigerant cylinders have a dip tube which
allows liquid to flow out with the cylinder in a vertical
position with the valve at the top.
• R-410A systems should be charged with liquid
refrigerant. Use a commercial type metering device in
the manifold hose in order to vaporize the liquid
refrigerant before it enters in the unit.
• As for other HFC, R-410A refrigerant is only
compatible with oils recommended by the compressor
manufacturer.
• A vacuum pump is not enough to remove moisture
from oil.
• Oils absorb moisture rapidly. Do not expose oil to
atmosphere.
• Never open system to atmosphere while it is under
vacuum.
• When the system must be opened for service, break
vacuum with dry nitrogen.
• Do not vent R-410A into the atmosphere.
Use this unit only for factory approved applications.
The capacity and unit code are stated on the nameplate
data.
12
INSTALLATION
SITING THE UNIT
WATER CONNECTIONS
ELECTRICAL CONNECTIONS
CONTROL WIRING (Optional)
POWER WIRING
FILLING THE SYSTEM
FLUSHING WATER AND AIR
CHECKING FOR WATER LEAKS
CONFIGURING AND CHECKING THE SYSTEM
CAUTION:
• Do not leave system open to atmosphere any longer
than minimum required for installation.
• Oil in the compressor is extremely susceptible to
moisture absorption.