Bitzer CM-RC-01 Technische Daten
KW-233-1
Instructions for mounting the CM-RC-01 add-on kit
Translation of the original document
English....................................................................................................................................................... 2
Anleitung zur Montage des CM-RC-01 Komplettierungsbausatzes
Originaldokument
Deutsch ..................................................................................................................................................... 17
Instructions de montage du kit complémentaire CM-RC-01
Traduction du document original
Français..................................................................................................................................................... 32
4FES-3(Y) .. 4BES-9(Y)
KW-233-12
Table of contents
1 Introduction............................................................................................................................................................3
2 Safety ....................................................................................................................................................................3
2.1 Also observe the following technical documents ...........................................................................................3
2.2 Authorized staff..............................................................................................................................................3
2.3 Residual risks ................................................................................................................................................3
2.4 Safety references...........................................................................................................................................3
2.4.1 General safety references.................................................................................................................. 3
3 Mounting the CM-RC-01 basic kit..........................................................................................................................4
3.1 Opening the cable bushing on the terminal box ............................................................................................4
3.2 Removing the SE-B* motor protection device ...............................................................................................5
3.3 Unscrewing the terminal box from the compressor .......................................................................................5
3.4 Mounting the fixture of the compressor module.............................................................................................6
3.5 Fastening the cable conduit to the terminal box ............................................................................................6
3.6 Screwing the compressor module onto the fixture.........................................................................................7
3.7 Connecting the oil heater...............................................................................................................................7
3.8 Mounting the discharge gas temperature sensor ..........................................................................................8
3.9 Mounting the oil monitoring............................................................................................................................8
3.10 Further electrical connections on the CM-RC-01.........................................................................................10
3.11 Closing the module housing ........................................................................................................................10
3.12 Mounting the cable holders and laying the cables.......................................................................................10
4 Mounting the optional CM-RC-01 extension kits .................................................................................................11
4.1 Mounting the extension kit "Capacity control" (CRII) and "Start unloading" (SU)........................................11
4.2 Mounting the "Pressure transmitter" extension kit .......................................................................................13
4.3 Mounting the "Additional fan" extension kit..................................................................................................14
5 Communication via BEST SOFTWARE ..............................................................................................................15
5.1 Configuration via BEST SOFTWARE ..........................................................................................................16
KW-233-1 3
1 Introduction
This document describes the procedure to follow for
mounting the CM-RC-01 compressor module add-on kit
to the compressor models 4FES-3(Y) .. 4BES-9(Y).
The description explains how to subsequently mount
any component of the basic kit and the optional exten-
sion kits to the compressor. For electrical connection,
please refer to the Technical Information KT-230 en-
closed.
Information
Observe the tightening torques for screwed con-
nections (see also Maintenance Instructions
KW-100)!
2 Safety
Compressor and compressor module have been built in
accordance with state-of-the-art technology and current
regulations. Particular importance has been placed on
user safety.
The notes given in the Operating Instructions for the
compressor must be followed in addition to these Main-
tenance Instructions.
Always keep the Operating Instructions and these
Maintenance Instructions in the vicinity of the refrigera-
tion system during the whole lifetime of the com-
pressor!
2.1 Also observe the following technical documents
Number Topic
KB-104 Operating Instructions ECOLINE com-
pressors
KT-150 Oil heater
KW-100 Tightening torques for screwed connec-
tions
KT-230 Compressor module CM-RC-01
2.2 Authorized staff
All work done on the compressors, the refrigeration
systems and their electronic accessories may only be
performed by qualified and authorized personnel who
have been trained and instructed accordingly. The local
regulations and guidelines will apply with respect to the
qualification and expertise of the specialists.
2.3 Residual risks
Compressors and electronic accessories may present
unavoidable residual risks. This is why any person
working on this device must carefully read this docu-
ment!
The following regulations shall apply:
• the relevant safety regulations and standards (e.g.
EN378, EN60204 and EN60335),
• generally accepted safety rules,
• EU directives,
• national regulations.
2.4 Safety references
are instructions intended to prevent hazards. Safety ref-
erences must be stringently observed!
!
!
NOTICE
Safety reference to avoid situations which may
result in damage to a device or its equipment.
CAUTION
Safety reference to avoid a potentially hazard-
ous situation which may result in minor or mod-
erate injury.
WARNING
Safety reference to avoid a potentially hazard-
ous situation which could result in death or seri-
ous injury.
DANGER
Safety reference to avoid an imminently hazard-
ous situation which may result in death or seri-
ous injury.
2.4.1 General safety references
To be observed when performing work on the
compressor
WARNING
The compressor is under pressure!
Serious injuries are possible.
Depressurize the compressor!
Wear safety goggles!
KW-233-14
When working on the electrical and/or electronic
system, please observe the following
WARNING
Risk of electric shock!
Before working on the terminal box, module
housing and electrical lines: Switch off the main
switch and secure it against being switched on
again!
Close the terminal box and the module housing
before switching on again!
!
!
NOTICE
The compressor module may be damaged or
fail!
Never apply any voltage to the terminals of CN7
to CN12 – not even for test purposes!
The voltage applied to the terminals of CN13
must not exceed 10V!
The voltage applied to terminal 3 of CN14 must
not exceed 24V! Do no apply voltage to the
other terminals!
Never apply voltage to the voltage outputs, not even for
testing.
3 Mounting the CM-RC-01 basic kit
Procedure to follow for mounting the CM-RC-01 basic
kit of the compressor module add-on kit to the
4FES-3(Y) .. 4BES-9(Y) compressors:
• Opening the M16 cable bushing on the terminal box.
• Removing the SE-B* protection device.
• Mounting the seal and fixture for the CM-RC-01
compressor module.
• Fastening the cable conduit of the compressor mod-
ule to the terminal box of the compressor.
• Screwing the compressor module onto the fixture.
• Connecting the oil heater.
• Mounting the discharge gas temperature sensor.
• Mounting the oil monitoring.
• Closing the module housing.
• Mounting the cable holders and cable ties.
• Laying the cables and closing the cable ties.
Fig.1: Overview of all components of the CM-RC-01 basic kit for the
compressors 4FES-3(Y) .. 4BES-9(Y)
3.1 Opening the cable bushing on the terminal box
• Carefully break the perforated section of the
right M16 cable bushing in order to open the
cable bushing.
• Then remove the cover from the terminal box.
KW-233-1 5
3.2 Removing the SE-B* motor protection device
Dismount the SE-B* motor protection device
from the terminal box.
• Pull the orange motor PTC cable off the ter-
minal plate.
• Then loosen the fixing screws of the motor
protection device and remove the device.
3.3 Unscrewing the terminal box from the compressor
• Loosen the 5 marked fixing screws in the
compressor terminal box and remove the ter-
minal box from the compressor.
KW-233-16
3.4 Mounting the fixture of the compressor module
• Position the seal (left figure), then put the fix-
ture on top (right figure).
• Then put the compressor terminal box onto
the fixture and fasten everything to the com-
pressor using the 5 screws in the terminal
box.
3.5 Fastening the cable conduit to the terminal box
• Fasten the cable conduit pre-mounted to the
compressor module to the open (M16) cable
bushing of the compressor terminal box and
guide the motor PTC cable and the protective
earth conductor into the terminal box.
• Connect the orange motor PTC cable of the
compressor module to the terminal plate of
the compressor.
• Screw the protective earth conductor of the
compressor module onto the earth bolts in the
terminal box.
KW-233-1 7
• Close the terminal box and screw down the
cover.
3.6 Screwing the compressor module onto the fixture
• Position the compressor module on the fixture
in such a way that the cable bushings point
towards the motor cover (see figure).
• Screw the compressor module to the fixture
using the 4 enclosed screws. To this end, put
the screws into the guide rails from below.
3.7 Connecting the oil heater
• Put the oil heater cable through a screwed
cable gland on the compressor module and
connect it to the CN4 terminal strip.
Information
For oil heater mounting, see Technical
Information KT-150.
KW-233-18
• Guide the oil heater cable to the compressor
module as shown in the figure.
3.8 Mounting the discharge gas temperature sensor
After mounting new components such as discharge gas
temperature sensor, pressure transmitter, injection
nozzle or injection valve:
WARNING
Serious injuries are possible. New component
may suddenly become detached.
Check the thread.
Carefully screw in the new component. Observe
the tightening torques!
Perform a tightness test before commissioning!
• Remove the sealing plug from the connector
on the cylinder head marked by a circle and
clean the threaded bore.
• Then screw the discharge gas temperature
sensor in (tightening torque 35-40 Nm) and
tighten the connector by hand.
3.9 Mounting the oil monitoring
Information
A prerequisite for mounting the oil monitoring is
a bearing cover with the respective connection
(M20x1.5).
Information
For further details, see Technical Information
KT-180.
Information
Delivery in a pre-setup state:
If the prism unit of the oil monitoring has been
ordered pre-assembled, the compressor will
have already been tested as a whole in the fact-
ory for pressure strength and tightness. In this
case, it will only be necessary to screw on the
opto-electronic unit and to connect it electrically.
Subsequent tightness testing will not be re-
quired in this case.
KW-233-1 9
If subsequently mounting the prism unit of the oil monit-
oring:
!
!
NOTICE
Risk of refrigerant loss!
Check the thread.
Carefully screw the new component in and
tighten it to the prescribed tightening torque.
Perform a tightness test before commissioning!
Mounting the prism unit
Preferably mount the enclosed prism unit, before the
compressor is mounted to the system.
• Tilt the compressor by lifting it up at the bottom of
the bearing cover in order that the oil in the oil
pocket of the bearing cover cannot drain through the
connecting bore.
• Screw the screw (M20x1,5) onto the bearing cover
and thoroughly clean the threaded bore.
• Check the inside and outside of the glass cone of the
prism unit for cleanliness and clean, if required.
• Screw the prism unit with metal gasket into the bear-
ing cover. Tightening torque 75 Nm.
• Perform a tightness test:
DANGER
Risk of bursting due to excessive pressure!
The pressure applied during the test must never
exceed the maximum permitted values!
Test pressure: 1.1-fold of the maximum allow-
able pressure (see name plate). Make a distinc-
tion between the high-pressure and low-pres-
sure sides!
Mounting the opto-electronic unit
!
!
NOTICE
Risk of compressor failure!
Possible failure of the protection device
due to penetrating moisture!
Ensure that the cable connection always
faces down!
• Carefully insert the opto-electronic unit into
the prism unit up to the stop.
• Tighten the union nut of the opto-electronic
unit by hand.
KW-233-110
Following this, any optional extension kits can be
mounted (see chapter Mounting the optional CM-RC-01
extension kits, page 11).
3.10 Further electrical connections on the CM-RC-01
• Voltage supply of the compressor module on ter-
minal strip CN1 (115 .. 230V +10%/-15%, 50/60Hz
– Terminal 1: L
– Terminal 2: N
• Command for compressor start (release signal from
system controller).
• Optionally: Analogue signal for capacity control from
the system controller (0 .. 10 V).
Schematic wiring diagram and further information, see
Technical Information KT-230.
3.11 Closing the module housing
• Screw the protective earth conductor on the
cover contained in the kit.
• Put the cover on the compressor module
housing and fasten it using the 6 enclosed
screws.
3.12 Mounting the cable holders and laying the cables
• Mount one cable holder each on the outside
of the cylinder head (see red circle).
• To this end, loosen the corresponding screws
on the cylinder head, insert the screws again
with cable holders and tighten them (tighten-
ing torque 80 Nm).
• Fasten the plastic clip to the cable holder and
insert a cable tie.
Andere Handbücher für CM-RC-01
6
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