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

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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