Bosch ODU-FA Instruction Manual
6 720 862 462 (2017/05) GB
Before using your fault alarm, please read this manual carefully and keep it for future reference.
CLIMATE 5000 VRF
Outdoor Unit Failure Alarm
ODU-FA
Installation-user manual
FAULT ALARM
INSTALLATION AND OPERATION MANUAL
ODU-FA
1. SAFETY PRECAUTIONS
• Read the safety precautions carefully prior to installation.
• Stated below are important safety issues that must be followed.
• After completing the installation, ensure the unit operates correctly
during start-up operation. Please instruct the customer on how to
operate the unit and keep it maintained. Also, inform customers that
they should store this installation manual along with the owner‘s
manual for future reference.
WARNING
Failure to observe a warning may result in serious injury
or damage.
CAUTION
Failure to observe a caution may result in injury or
damage to the equipment.
WARNING
Installation of this unit must be in accordance with this
installation manual.
This unit must only be installed, serviced and maintained by
trained and qualified personnel.
2. OTHER PRECAUTIONS
Installation Location
Preparation before installation
1. Prior to installation, check the following accessories are complete.
Name Qty. Remarks
1Fault Alarm 1 ODU-FA
2Self tapping screws 4ST3.9×25 (for mounting the
unit to a wall)
3Self tapping screws 4M4×20 (for mounting the
unit to a wall)
4Wall plugs 4(for mounting the unit to a
wall)
5Fault Alarm installation
and operating manual 1
2. Prepare the following assemblies on the site.
Name Qty Specification
( Only for
reference )
Remark
1Electrical power
supply
AC198-242V
2*0.75mm²
Input power
AC198-242V
2Electrical appliance
used with fault alarm
Sepcification
AC198-242V
Max.current 3.15A
3Wiring conduit 1 Insulated
sleeve
Secured to wall
4Shielded 3-core
PE cable
2 RVVP Series For communication
cabling
Installation Notice
1. Communication cables are low voltage and must not be connected
to a mains electrical power supply. Communication cables must also
b e kept a w ay f ro m m a in s e l e c t r i c a l c a b l e s t o av o id in t e r f e re n c e .
2. The shielded layer of the shielded cable must be terminated to
ground.
3. The communication wiring supplying the fault alarm must be
continuous without connections.
4. Do not use a Megger to test the communication wiring.
2 | SAFETY PRECAUTIONS
6 720 862 462 (2017/05) CLIMATE 5000 VRF
3. INSTALLATION
Instruction:
1. Below is an example of how to install, when connecting to a computer;
2. The maximum of one fault alarm can connect to a computer;
3. One computer can connect to a fault alarm or a centralised controller, but not both together;
4. One computer can connect to the maximum of 32 outdoor units;
5. When this fault alarm module is connected to a computer with a third network control system, the default address for the alarm module will be 16
and this cannot be changed.
6. Electrical power supply and fault output.
161mm
95mm
Power inputAC
198-242 V
Self-furnish power
strips2*0.75mm²
Fault alarm outputAC
198-242 V
Self-furnish wire2*0.75mm²
Electrical appliance current
used for fault alarm ＜3.15A
Fault alarm output module
Fault alarm main control panel
Fault alarm cover
Fault alarmoperation,
fault display lamp
Fault alarm base
Use electric drill to drill four holes with φ6mm
and depth are 30mm, and then put the plastic
expanded tube into the holes.
Fix the base at the holes,
and use the cross screwdriver
to screw the cross recessed pan
head tapping screws into the
plastic expanded tube,and fix the base.
CLIMATE 5000 VRF 6 720 862 462 (2017/05)
INSTALLATION |3
Computercommunication
connecting
Air-conditioner
communicationconnecting
Computer communication
connecting Air-conditioner
communication connecting
4. SYSTEM WIRING SPECIFICATION
The following wiring layouts are acceptable.
CAUTION
The maximum outdoor units that one ODU-FA can connect to is ≤32. The maximum refrigeration systems that one ODU-FA can connect to is ≤8.
5. FAULT ALARM SYSTEM WIRING DIAGRAM
Outdor unit
Fault alarm
RS232 terminal:
Plug in the COM port of computer
RS485 invert RS232 module
Connect a 120 ohm resister at
the beginning and the end of the
communication circuit.
Connect other
central controller
Better way of stripping the communication wire
F1 F1 F2 F2 E
F2 F1 E K2 K1
Main control
panel
NO.1 Outdoor unit(main unit)
Main control
panel
NO.1 Outdoor unit(main unit 1)
Main control
panel
NO.1 Outdoor unit(main unit 2)
Main control
panel
NO.1 Outdoor unit(main unit 3)
Ground the shield-
ing layer of the
shielded cable.
Ground the shield-
ing layer of the
shielded cable.
Power input
KWH meter
Notice: when the KWH meter is
connected to outdoor unityou can
read energy consumption in the
outdoor monitor!
Communication between
KWH meter and outdoor
power
Connect a 120 ohm resister at
the beginning and the end of the
communication circuit.
Main control
panel
NO.1 Outdoor unit(main unit 3)
Main control
panel
NO.1 Outdoor unit(main unit 2)
Main control
panel
NO.1 Outdoor unit(main unit 1)
Main control
panel
NO.1 Outdoor unit(main unit )
Ground the shield-
ing layer of the
shielded cable.
Ground the shield-
ing layer of the
shielded cable.
Outdoor unit system figure
Fault alarm figure
Fault alarm
wiring base figure
Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit Outdor unit
Fault alarm
K2 K1 E K2 K1 E K2 K1 E K2 K1 E
K2 K1 E
K2 K1 E
K2 K1 E
K2 K1 E
Main control
panel
Outdoor unit
K2 K1 E
4 | SYSTEM WIRING SPECIFICATION
6 720 862 462 (2017/05) CLIMATE 5000 VRF
6. OPERATION METHOD
1 Fault alarm model and main parameters
Model ODU-FA
Input voltage AC 198V 242V
Environment temperature -5~43
Environment humidity RH40%~RH90%
Certification requirement EMCEMI meet the CCC certification request
Appliance safety standard GB4706.32-2004
2 Fault alarm function summary
Main functions as following:
1. Connect the outdoor unit through K1 K2 E three terminals, and connect the
RS485 shift RS232 module 3rd generation network solution by F1 F2 E, and
then finally connect to the computer.
2. The output power will be the same as the input power side.
3. With LED indication.
3 LED Display
When there is no fault, the LED will be permanently on.
When there is a fault, the LED will flash.
CAUTION
1 First install the Fault alarm, after set the fault protection by the
outdoor main panel 2 minutes, observe the indication lamp
whether be flashed or not, then judge whether the Fault alarm
communicate with the outdoor unit.
2 The appliance connected off the fault alarm must have a AC
supply of 198-242V and must be below 3.15A.
CLIMATE 5000 VRF 6 720 862 462 (2017/05)
OPERATION METHOD |5
7. NOTES
6 | NOTES
6 720 862 462 (2017/05) CLIMATE 5000 VRF
CLIMATE 5000 VRF 6 720 862 462 (2017/05)
NOTES |7
Bosch Thermotechnology Ltd.
CotswoldWay, Warndon, Worcester WR4 9SW
All Enquiries: 0330 123 3004
www.bosch-industrial.co.uk
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