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5.4.2
CM-SW-01
For work on the compressor once it has been
commissioned
Standard for all CSW105 compressors
WARNING
The compressor module integrates the entire electronic
The compressor is under pressure!
periphery of the compressor: It allows monitoring the
Serious injuries are possible.
essential operating parameters of the compressor: mo-
Depressurize the compressor!
tor and discharge gas temperature, phase and rotation
Wear safety goggles!
direction monitoring, oil supply and application limits
and thus protects the compressor from operation under
critical conditions. For further information, see Tech-
CAUTION
nical Information ST-150.
Surface temperatures of more than 60°C or be-
low 0°C.
NOTICE
!
Risk of burns or frostbite.
!
The compressor module may be damaged or
Close off accessible areas and mark them.
fail!
Before performing any work on the compressor:
Never apply any voltage to the terminals of CN7
switch it off and let it cool down.
to CN12 – not even for test purposes!
The voltage applied to the terminals of CN13
must not exceed 10 V!
The voltage applied to terminal 3 of CN14 must
not exceed 24 V! Do no apply voltage to the
other terminals!
The following components are completely installed and
wired in the state of delivery:
• Slider position indicator.
Permitted refrigerants
(other refrigerants on request)
• Oil monitoring (OLC-D1).
• Solenoid valves for capacity control and V
• Discharge gas temperature sensor.
• Low pressure and high pressure transmitter.
Oil charge
Modification to these components or their wiring is not
required and should not be done without consulting
Application limits
BITZER.
The following components are not installed and wired in
the state of delivery and need to be connected:
Tab. 1: Application ranges of CS. compressors
• Motor temperature monitoring (PTC sensor in motor
The use of R404A and R507A and other refrigerant
winding).
blends requires individual consultation with BITZER.
• Phase monitoring (in case of a phase failure or inad-
Application limit for CSK61
missibly high phase asymmetry).
CSK61 compressors are only approved for use with
The compressor module internally supplies voltage to
R22 refrigerant, without ECO and LI. The application
the peripheral devices (solenoid valves, oil monitoring
limit goes down to -10°C. Above this value, the applica-
device and slider position indicator) and to the terminal
tion limit corresponds to that for CSH65 compressors
strips CN7 to CN12.
with R22 refrigerant.
Please refer to the Technical Information ST-150 for in-
formation on all connections.
WARNING
Risk of bursting due to counterfeit refrigerants!
Serious injuries are possible!
Purchase refrigerants only from reputable man-
ufacturers and reliable distributors!
SB-170-9
SB-170-9
SB-170-9 RUS
CSH65 .. CSH95, CSW65 ..
CSW95:
R134a, R407C, R450A, R513A,
.
R1234yf, R1234ze(E)
i
CSW105: R134a, R450A,
R513A, R1234yf
CSH: BSE170
CSW: BSE170L
CSH: see brochure SP-171 and BITZER SOFTWARE
CSW: see brochure SP-172 and BITZER SOFTWARE
5.4.3
SE-i1
For work on the electrical and/or electronic system
This protection device with extended monitoring func-
WARNING
tions can be used as an option for all HS.53 .. HS.85
Risk of electric shock!
compressors and CSH and CSW compressors.
Before working on the terminal box, module
Monitoring functions:
housing and electrical lines: Switch off the main
switch and secure it against being switched on
• Temperature monitoring.
again!
• Monitoring of the PTC control circuit to detect any
Close the terminal box and the module housing
short-circuit or line break/sensor failure.
before switching on again!
• Rotation direction monitoring.
NOTICE
!
!
• Monitoring of phase failure and asymmetry.
The compressor module may be damaged or
fail!
• Monitoring of the maximum cycling rate.
Never apply any voltage to the terminals of CN7
For further information, see Technical Information
to CN12 – not even for test purposes!
CT-110.
The voltage applied to the terminals of CN13
must not exceed 10 V!
The voltage applied to terminal 3 of CN14 must
5.4.4
SE-E2
not exceed 24 V! Do no apply voltage to the
Optional protection device for operation with frequency
other terminals!
inverter and soft starter (for a ramp time shorter than
1 s).
• Dimensions and integration in the control identical to
3 Application ranges
SE-E1.
• Suitable for all CS. compressors.
CSH76 .. CSH96:
R134a, R450A,
• Monitoring functions are basically identical to those
R513A, R1234yf,
of SE-E1. However, the SE-E2 monitors phase fail-
R1234ze(E)
ure during the entire running time of the compressor.
For further information, see Technical Information
ST-122.
BSE170L
5.4.5
Monitoring of the oil circuit
• For short circuits without liquid injection (LI) for addi-
tional cooling and for small system volume and small
refrigerant charge: Indirect monitoring with oil tem-
perature sensor (standard)
Risk of air penetration during operation in the vacuum
range
NOTICE
!
!
Lack of oil leads to a too high increase in tem-
NOTICE
perature.
!
!
Potential chemical reactions as well as in-
Risk of damage to the compressor!
creased condensing pressure and rise in dis-
charge gas temperature.
• For circuits with liquid injection (LI) for additional
Avoid air penetration!
cooling and / or for great system volume as well as
parallel compounding: Monitor oil level directly with
WARNING
opto-electronic oil level monitoring (option), see
A critical shift of the refrigerant ignition limit is
chapter Opto-electronic oil level monitoring OLC-D1-
possible.
S, page 26. The connection is on the compressor
Avoid air penetration!
housing, see chapter Connections and dimensional
drawings, page 14, position 8.
CSH65 .. CSH95,
CSW65 .. CSW95,
CSK61:
R22
B320SH
25
5
5
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