Introduction; R-410A - General Info - Galletti MCI 004H Manuel D'installation

1 - INTRODUCTION

Contents

1.1 - R-410A - General info

R-410A - General info ..........................................................
Safety procedures ................................................................
• This air conditioner adopts the new HFC refrigerant
Dimensions and clearances...............................................
(R410A) which does not destroy ozone layer.
• Technical data ....................................................................... R-410A refrigerant operates at 50%-70% higher
pressures than R-22. Be sure that servicing equipment
Installation .............................................................................
and replacement components are designed to operate
Water connections ...............................................................
with R-410A.
Electrical connections .........................................................
• R-410A refrigerant cylinders have a dip tube which
Connection of Auxiliary Accessories ..............................
allows liquid to flow out with the cylinder in a vertical
System test .............................................................................
position with the valve at the top.
Unit protection devices ......................................................
• R-410A systems should be charged with liquid
Maintenace ............................................................................
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
R-410A - General info
with oils recommended by the compressor
manufacturer.
• A vacuum pump is not enough to remove moisture from
This air conditioner adopts the new HFC refrigerant
oil.
(R410A) which does not destroy ozone layer.
• Oils absorb moisture rapidly. Do not expose oil to
R-410A refrigerant operates at 50%-70% higher pressures
atmosphere.
than R-22. Be sure that servicing equipment and
• Never open system to atmosphere while it is under
replacement components are designed to operate with
vacuum.
R-410A.
• When the system must be opened for service, break
R-410A refrigerant cylinders have a dip tube which allows
vacuum with dry nitrogen.
liquid to low out with the cylinder in a vertical position
• Do not vent R-410A into the atmosphere.
with the valve at the top.
R-410A systems should be charged with liquid
Use this unit only for factory approved applications.
refrigerant. Use a commercial type metering device in the
The capacity and unit code are stated on the nameplate manifold hose in order to vaporize the liquid refrigerant
data. 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.
14
130Η42_9.ινδδ 1
RG66012647
Air / Water Cycle Heat Pump
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CAUTION:
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All copying, even partial, of this manual is strictly forbidden
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
Do not leave system open to atmosphere any longer
CAUTION:
than minimum required for installation.
Do not leave system open to atmosphere any longer
Oil in the compressor is extremely susceptible to
than minimum required for installation.
moisture absorption.
moisture absorption.
Models with hydronic module
MCI004H-
MCI006H-
MCI008H-
MODELS WITH HYDRONIC
MCI012H-
MODULE
MCI015H-
30AWH004H-
30AWH006H-
30AWH008H-
30AWH012H-
30AWH015H-
MODELS WITHOUT
HYDRONIC MODULE
30AWH004X-
30AWH006X-
30AWH008X-
30AWH012X-
30AWH015X-
30AWH 1
26/09/13 09.45