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FH
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INSTALLATION INSTRUCTIONS
Consequently, staff must know the tools, the transportation procedure for the compressor and refrigerant, and the safety precautions and
regulations that apply to maintenance and repair work. Do-not use ignition sources while handling flammable refrigerants.
2.6. Protection of the compressor's electric terminal
The disintegration of the insulation (glass bead) on a compressor electrical terminal due to physical shock or over heating can result in terminal
venting . Oil and refrigerant can spray out of the compressor if one of the terminal pins is ejected from the hermetic terminal, this mixture can be
ignited by electricity/ spark and produce flames that can lead to serious burns or death. Any accidental damage to the electrical terminal during
compressor's installation or operation must be scrapped.
To reduce the risk of electrocution or serious burns or death from terminal venting with ignition never energize the system unless the compressor's
protective terminal cover is securely fastened and the compressor is properly connected to ground.
Since the compressor is not equipped with protection in the case of an external fire, it is appropriate for the equipment manufacturer to secure
the installation to prevent a fire. Adequate means of purging and protection against exceeding permissible limits (see conditions on the PED label)
must be provided. Compressors should not be installed in a corrosive or dusty environment.
3. SPECIFICATIONS - MARKING COMPRESSORS IN THE FH
3.1. Identification label and designation:
Only compressors FH****P, FH****U and FH****N are subject to and comply with the requirements of category II under the Pressure Equipment
Directive PED 2014/68/EU. Reference free internal volume 6.16 L.
Reminder: CAT I compressors covered by the Low Voltage Directive do not fall within the scope of the PED Directive.
Category II compressor labels include additional information (*):
Informations according to EN 378-2:
Ref.
Designation
a
Voltage
b
Frequency
c
Number of phases
d
Bill of Material
e
Refrigerant
f
Model Number
g
Serial number
h
Maximum allowable pressure (*)
i
Min/max temperature (*)
j
1.1 * PS (*)
k
Registration number of the notified body (*)
l
Manufacturing and testing date (*)
m
Free volume
FH****P compressors are qualified for R455A and R454C
FH **** N compressors are qualified for R1234yf.
FH **** U compressors are qualified for R-290.
The Identification label of these compressors has a yellow
Flammable warning logo as shown opposite:
In the case of multi-fluid compressors, the Printed PS pressure = at the pressure of the fluid + binding to TS maxi.
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