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5.4.2
CM-SW-01
4.3 Connecting the pipelines
Standard for all CSW105 compressors
WARNING
The compressor is under pressure!
The compressor module integrates the entire electronic
Serious injuries are possible.
periphery of the compressor: It allows monitoring the
Depressurize the compressor!
essential operating parameters of the compressor: mo-
Wear safety goggles!
tor and discharge gas temperature, phase and rotation
direction monitoring, oil supply and application limits
and thus protects the compressor from operation under
NOTICE
critical conditions. For further information, see Tech-
!
!
Potential chemical reactions due to air penetra-
nical Information ST-150.
tion!
Proceed swiftly and keep shut-off valves closed
NOTICE
!
until evacuation.
!
The compressor module may be damaged or
fail!
Never apply any voltage to the terminals of CN7
4.3.1
Pipe connections
to CN12 – not even for test purposes!
The pipe connections are suitable for pipes in all com-
The voltage applied to the terminals of CN13
mon dimensions in millimetres and inches. Brazed con-
must not exceed 10 V!
nections have stepped diameters. The pipe will im-
The voltage applied to terminal 3 of CN14 must
merge more or less depending on its dimensions. If ne-
not exceed 24 V! Do no apply voltage to the
cessary, the bushing may even be cut at the end with
other terminals!
the largest diameter.
The following components are completely installed and
wired in the state of delivery:
4.3.2
Shut-off valves
• Slider position indicator.
CAUTION
• Oil monitoring (OLC-D1).
Depending on the operation mode, the shut-off
valves may become very cold or very hot.
• Solenoid valves for capacity control and V
Risk of burning or frostbite!
• Discharge gas temperature sensor.
Wear suitable protective equipment!
• Low pressure and high pressure transmitter.
NOTICE
Modification to these components or their wiring is not
!
!
Do not overheat the shut-off valves!
required and should not be done without consulting
Cool the valve body and the brazing adapter
BITZER.
during and after the brazing operation.
The following components are not installed and wired in
Maximum brazing temperature 700°C!
the state of delivery and need to be connected:
For welding, dismount the pipe connections and
the bushes.
• Motor temperature monitoring (PTC sensor in motor
winding).
• Phase monitoring (in case of a phase failure or inad-
missibly high phase asymmetry).
The compressor module internally supplies voltage to
the peripheral devices (solenoid valves, oil monitoring
device and slider position indicator) and to the terminal
strips CN7 to CN12.
Please refer to the Technical Information ST-150 for in-
formation on all connections.
SB-170-9
SB-170-9
SB-170-9 RUS
5.4.3
SE-i1
When turning or mounting shut-off valves:
This protection device with extended monitoring func-
NOTICE
tions can be used as an option for all HS.53 .. HS.85
!
!
Risk of damage to the compressor.
compressors and CSH and CSW compressors.
Tighten screws crosswise in at least 2 steps to
Monitoring functions:
the prescribed tightening torque.
Test tightness before commissioning!
• Temperature monitoring.
• Monitoring of the PTC control circuit to detect any
When retrofitting the ECO shut-off valve:
short-circuit or line break/sensor failure.
Information
• Rotation direction monitoring.
To increase the corrosion protection, it is recom-
• Monitoring of phase failure and asymmetry.
mended to coat the surface of the ECO shut-off
valve.
• Monitoring of the maximum cycling rate.
For further information, see Technical Information
4.3.3
Pipelines
CT-110.
Use only pipelines and system components which are
5.4.4
SE-E2
• clean and dry inside (free from slag, swarf, rust and
phosphate coatings) and
Optional protection device for operation with frequency
inverter and soft starter (for a ramp time shorter than
• which are delivered with an air-tight seal.
1 s).
Depending on the compressor versions, they are sup-
• Dimensions and integration in the control identical to
plied with blanking plates on the pipe connections or
SE-E1.
shut-off valves. These must be removed before per-
forming the strength pressure and tightness tests and
• Suitable for all CS. compressors.
commissioning the system.
• Monitoring functions are basically identical to those
of SE-E1. However, the SE-E2 monitors phase fail-
Information
.
ure during the entire running time of the compressor.
The blanking plates are only designed to serve
i
as a transport protection. They are not suitable
For further information, see Technical Information
as a separation between different system sec-
ST-122.
tions during the strength pressure test.
5.4.5
Monitoring of the oil circuit
NOTICE
!
!
For systems with rather long pipelines or for
• For short circuits without liquid injection (LI) for addi-
brazing operations without protective gas:
tional cooling and for small system volume and small
Install the suction-side cleaning filter (mesh size
refrigerant charge: Indirect monitoring with oil tem-
< 25 μm).
perature sensor (standard)
NOTICE
NOTICE
!
!
!
Risk of compressor damage!
!
Lack of oil leads to a too high increase in tem-
Generously sized filter dryers should be used to
perature.
ensure a high degree of dehydration and to
Risk of damage to the compressor!
maintain the chemical stability of the circuit.
Make sure to choose a suitable quality (molecu-
• For circuits with liquid injection (LI) for additional
lar sieves with specially adapted pore sizes).
cooling and / or for great system volume as well as
parallel compounding: Monitor oil level directly with
Information
opto-electronic oil level monitoring (option), see
Notice for mounting the suction-side cleaning fil-
chapter Opto-electronic oil level monitoring OLC-D1-
ter, see manual SH-170.
S, page 26. The connection is on the compressor
housing, see chapter Connections and dimensional
drawings, page 14, position 8.
25
11
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