CONDENSER IOM MANUAL
3
Refrigerant (R407C or R410A) is used with this
equipment. Death or serious injury may result if personnel
fail to observe proper safety precautions. Great care must
be exercised to prevent contact of liquid refrigerant or
refrigerant gas, discharged under pressure, with any part of
the body. The extremely low temperature resulting from the
rapid expansion of liquid refrigerant or pressurized gas can
cause sudden and irreversible tissue damage.
As a minimum, all personnel should wear thermal protective
gloves and face-shield/goggles when working with
refrigerant. Application of excessive heat to any component
will cause extreme pressure and may result in a rupture.
Exposure of refrigerant to an open flame or a very hot surface
will cause a chemical reaction that will form carbonyl chloride
(hydrochloric/hydrofluoric acid); a highly poisonous and
corrosive gas commonly referred to as FLUOROPHOSGENE.
In its natural state, refrigerant is a colorless, odorless vapor
with no toxic characteristics. It is heavier than air and will
disperse rapidly in a well-ventilated area. In an unventilated
area, it presents a danger of suffocation.
Always refer to the manufacturer’s MSDS provided with the
unit.
Avoid skin contact or inhaling fumes from any acid formed by
burn out of oil and refrigerant. Wear gas mask if area is not
thoroughly ventilated. Wear protective goggles or glasses to
protect eyes. Wear rubber gloves to protect hands. Use care
to avoid spilling compressor burnout sludge. If sludge is
spilled, clean area thoroughly.
When performing soldering or de-soldering operations,
make certain the refrigeration system is fully recovered and
purged and dry nitrogen is flowing through the system at the
rate of not less than 1–2 CFM (.03 - .06 M³/minute).
1.4 General Design
STULZ SCS series remote air cooled condensers are housed
in an aluminum frame cabinet and are rated for outdoor use.
The figures that follow depict the two types of condensers and
identifies the major components. Figure 1 depicts a layout of
a typical -SCS condenser. Figure 2 depicts a layout of a typical
-SCS-MC condenser.
1.4.1 Condenser Coil
The capacity of the condenser, indicated by the unit model
number, is based on the rated capacity of the coil. In the case
of dual circuit units, the model number is based on the
combined capacity of both coils.
1.4.2 -SCS Condenser Coils
-SCS condenser coils are copper tube, aluminum finned
coils.
1.4.3 -SCS-MC Micro-Channel Condenser Coils
-SCS-MC condenser coils are brazed all-aluminum
construction with high performance fins which provide
improved airflow and higher heat transfer.
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