0.68a 76w
Part. No. Ysk65-bj
Ccac part no. Ac361042
Rpm. 950/850 /750
Cap 3uf/440v
By Conception Carrier
Monday, January 17, 2011
Central air conditioner compressors
What are air conditioner
compressors?
Air conditioning compressor is
the heart of the air conditioner
units. It’s the mechanical
components that use electricity
and capacitor as the single
energy source to operate it.
The air conditioning compressor
is the ac parts that cause the air
conditioner refrigerant to flows
in a cycle.
What are the types of air
conditioning compressors?
There are five main types of air
conditioner compressors:
1. Reciprocating
2. Rotary compressor
3. Centrifugal compressor
4. screw compressors
5. Scroll compressors
All five groups of air conditioner
compressors work the same
way, but their internal methods
of compressing refrigerant
vapors are different.
The most common compressor is
the reciprocating compressor. It
comes into two domes or
housing:
1. Open compressors
2. Hermetic compressors
Hermetic compressor is the most
common air conditioner
compressors found in residential
AC units and light commercial
units. So, the only compressor I’ll
being focusing here is hermetic
compressors.
Hermetic compressor comes into
two types:
1. Sealed or welded hermetic
compressors
2. Semi-hermetic (this compressor
has nuts and bolts holding it
together.)
Sealed hermetic compressors
Welded hermetic compressors
aka tin can or sealed hermetic
are throwaway compressors.
There is no way of get inside the
compressor, unless it ’s cut open.
There’re few companies that
open this compressor, they are
specialize this kind of works. Air
conditioner compressors
manufacture opens the sealed
hermetic compressors to
examine it. Otherwise, its a
throwaway.
In sealed hermetic compressors
the motor and crankshaft are in
vertical position. It used the
suction refrigeration from the air
conditioner evaporator to cool
the internal compressor at an
operating temperature.
The air conditioner compressors
have a safety device inside to
protect the compressor from
heating. This device is internal
overload. The air conditioning
compressor is the most
expensive AC parts in condenser
units; it ’s wise to protect the
compressor.
In a hermetic compressors
there ’re two important tubes
that welded with the hermetic
shell. These two tubes are:
1. Suction line
2. Discharge line
The suction line is the larger line
connecting to the indoor air
conditioner evaporator. The air
conditioner compressors pull the
refrigerant through the suction
line and releases it to the air
conditioner condenser through
the discharge line.
In split-central air conditioner
units, the suction is always
insulating to prevent the cool
refrigerant from absorbing
outside heat.
Semi-hermetic compressors
This is the air conditioning
compressors that have nuts and
bolts. The motor and the
compressor are inside the heavy
iron cast. This is the compressor
that can be fixed by removing
the bolts and shells that holding
it together.
There aren’t many residential
that used these types of
compressor, but you could find
in larger home and light
commercial. It can be fixed in the
field, if you have the necessary
air conditioner equipment.
Central air conditioning
compressor Video
Make sure to press the Play
button in the player controls to
watch it. Enjoy!
Central air conditioner
compressor Training Videos
made by Danfoss
How does a central air
conditioner compressor works?
The central air conditioner
compressor works by using an
electricity to energize the motor;
which it turns cause compressor
crankshaft to rotates.
Reciprocating compressors are a
piston-cylinder type of pump.
The main parts include a
cylinder, piston, connecting rod,
crankshaft, cylinder head and
valves. The operating cycle of a
reciprocating compressor is
shown below.
On the down stroke of the
piston, a low pressure area is
created between the top of the
piston, the cylinder head and the
suction line of the air
conditioning evaporator. Cold
refrigerant vapor rushes
through the suction valve inlet
and into the low pressure area.
On the up stroke, the suction
valve closes and the exhaust
(discharge) valve is forced open
with the increasing pressure. The
vapor is compressed and forced
into the discharge (high) side of
the refrigeration system.
When the piston reaches the top
of the cylinder, the discharge
valve closes, and the suction
valve opens as the piston starts
down again drawing in cold
refrigerant vapor to complete
the cycle.
Note that the connecting rod
attached between the crankshaft
and piston serves to change
rotary motion into reciprocating
(back and forth) motion.
The piston rings prevent the
vapor from escaping between
the piston and cylinder walls and
improve the operating
efficiency.
The compressor housing or
crankcase contains the bearing
surfaces for the crankshaft and
stores the oil that lubricates the
compressor parts.
The process of the air
conditioning compressors are
showed between points 1 and 2
on the PH chart.
In split- central air conditioner
units, the compressor is located
outside within the condenser
units. It ’s a vapor pump!
Compressors produce a pressure
different between the low side
(suction pressure) and high sides
(discharge pressure) of the
refrigeration system.
This is achieved by pulling of
low pressure, low temperature,
superheated refrigerant vapor
from the suction (evaporator)
side.
It pulls the correct amount of
refrigerant to fill the volume. The
refrigerant goes through the
compressor, after it crosses the
compressor it then creates a
high temperature, high pressure
superheated refrigerant vapor to
the high pressure side (air
conditioner condenser side).
The compression of the vapor
causes the transfer of heat
energy to flows from the low
side to the high side of the
system.
As the air conditioning
compressors compression the
refrigerant, additional heat is
added to the refrigerant. These
heats are:
1. Heat of compression
2. Mechanical friction heat
3. Compressors winding heat
4. Other suction line heat
The pressure different created
by the operation of the
compressor is responsible for
refrigerant flow through the
refrigeration cycle.
compressors?
Air conditioning compressor is
the heart of the air conditioner
units. It’s the mechanical
components that use electricity
and capacitor as the single
energy source to operate it.
The air conditioning compressor
is the ac parts that cause the air
conditioner refrigerant to flows
in a cycle.
What are the types of air
conditioning compressors?
There are five main types of air
conditioner compressors:
1. Reciprocating
2. Rotary compressor
3. Centrifugal compressor
4. screw compressors
5. Scroll compressors
All five groups of air conditioner
compressors work the same
way, but their internal methods
of compressing refrigerant
vapors are different.
The most common compressor is
the reciprocating compressor. It
comes into two domes or
housing:
1. Open compressors
2. Hermetic compressors
Hermetic compressor is the most
common air conditioner
compressors found in residential
AC units and light commercial
units. So, the only compressor I’ll
being focusing here is hermetic
compressors.
Hermetic compressor comes into
two types:
1. Sealed or welded hermetic
compressors
2. Semi-hermetic (this compressor
has nuts and bolts holding it
together.)
Sealed hermetic compressors
Welded hermetic compressors
aka tin can or sealed hermetic
are throwaway compressors.
There is no way of get inside the
compressor, unless it ’s cut open.
There’re few companies that
open this compressor, they are
specialize this kind of works. Air
conditioner compressors
manufacture opens the sealed
hermetic compressors to
examine it. Otherwise, its a
throwaway.
In sealed hermetic compressors
the motor and crankshaft are in
vertical position. It used the
suction refrigeration from the air
conditioner evaporator to cool
the internal compressor at an
operating temperature.
The air conditioner compressors
have a safety device inside to
protect the compressor from
heating. This device is internal
overload. The air conditioning
compressor is the most
expensive AC parts in condenser
units; it ’s wise to protect the
compressor.
In a hermetic compressors
there ’re two important tubes
that welded with the hermetic
shell. These two tubes are:
1. Suction line
2. Discharge line
The suction line is the larger line
connecting to the indoor air
conditioner evaporator. The air
conditioner compressors pull the
refrigerant through the suction
line and releases it to the air
conditioner condenser through
the discharge line.
In split-central air conditioner
units, the suction is always
insulating to prevent the cool
refrigerant from absorbing
outside heat.
Semi-hermetic compressors
This is the air conditioning
compressors that have nuts and
bolts. The motor and the
compressor are inside the heavy
iron cast. This is the compressor
that can be fixed by removing
the bolts and shells that holding
it together.
There aren’t many residential
that used these types of
compressor, but you could find
in larger home and light
commercial. It can be fixed in the
field, if you have the necessary
air conditioner equipment.
Central air conditioning
compressor Video
Make sure to press the Play
button in the player controls to
watch it. Enjoy!
Central air conditioner
compressor Training Videos
made by Danfoss
How does a central air
conditioner compressor works?
The central air conditioner
compressor works by using an
electricity to energize the motor;
which it turns cause compressor
crankshaft to rotates.
Reciprocating compressors are a
piston-cylinder type of pump.
The main parts include a
cylinder, piston, connecting rod,
crankshaft, cylinder head and
valves. The operating cycle of a
reciprocating compressor is
shown below.
On the down stroke of the
piston, a low pressure area is
created between the top of the
piston, the cylinder head and the
suction line of the air
conditioning evaporator. Cold
refrigerant vapor rushes
through the suction valve inlet
and into the low pressure area.
On the up stroke, the suction
valve closes and the exhaust
(discharge) valve is forced open
with the increasing pressure. The
vapor is compressed and forced
into the discharge (high) side of
the refrigeration system.
When the piston reaches the top
of the cylinder, the discharge
valve closes, and the suction
valve opens as the piston starts
down again drawing in cold
refrigerant vapor to complete
the cycle.
Note that the connecting rod
attached between the crankshaft
and piston serves to change
rotary motion into reciprocating
(back and forth) motion.
The piston rings prevent the
vapor from escaping between
the piston and cylinder walls and
improve the operating
efficiency.
The compressor housing or
crankcase contains the bearing
surfaces for the crankshaft and
stores the oil that lubricates the
compressor parts.
The process of the air
conditioning compressors are
showed between points 1 and 2
on the PH chart.
In split- central air conditioner
units, the compressor is located
outside within the condenser
units. It ’s a vapor pump!
Compressors produce a pressure
different between the low side
(suction pressure) and high sides
(discharge pressure) of the
refrigeration system.
This is achieved by pulling of
low pressure, low temperature,
superheated refrigerant vapor
from the suction (evaporator)
side.
It pulls the correct amount of
refrigerant to fill the volume. The
refrigerant goes through the
compressor, after it crosses the
compressor it then creates a
high temperature, high pressure
superheated refrigerant vapor to
the high pressure side (air
conditioner condenser side).
The compression of the vapor
causes the transfer of heat
energy to flows from the low
side to the high side of the
system.
As the air conditioning
compressors compression the
refrigerant, additional heat is
added to the refrigerant. These
heats are:
1. Heat of compression
2. Mechanical friction heat
3. Compressors winding heat
4. Other suction line heat
The pressure different created
by the operation of the
compressor is responsible for
refrigerant flow through the
refrigeration cycle.
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