Bosch RDCI8/25-3, RDCI12/33-3, RDCI10/28-3, RDCI14/40-3, RDCI16/45-3 User Manual
CLIMATE 5000 VRF
RDCI Series – All DC Inverter Outdoor Units
RDCI8/25-3, RDCI10/28-3, RDCI12/33-3, RDCI14/40-3, RDCI16/45-3
User Manual
Before using your air conditioning unit, please read this manual carefully and keep it for future reference.
6 720 862 438 (2016/04)
2 | IMPORTANT SAFETY INFORMATION
CONTENTS PAGE
IMPORTANT SAFETY INFORMATION ............................................2
DESCRIPTION OF UNIT ............................................................... 2
OPERATION AND PERFORMANCE ............................................... 3
TROUBLESHOOTING ..................................................................3
MALFUNCTION ..........................................................................5
FORCE COOLING AND QUERY ..................................................... 6
AFTER-SALES SERVICE .............................................................. 7
1. IMPORTANT SAFETY INFORMATION
To prevent injury or property damage, the following instructions must
be followed. Incorrect operation due to the instructions in this manual
not being followed may cause harm or damage.
The safty precautions listed here are divided into two categories. Important
safty information is listed which must be read carefully.
WARNING
Failure to observe a warning may result in serious injury.
CAUTION
Failure to observe a caution may result in injury or damage to the
equipment.
WARNING
■ Ensure qualified personnel install the system.
■ Should a refrigerant leak occur, switch off the power to the air
conditioning unit. Turn off any combustible heating devices,
ventilate the room and contact a competent person.
Do not use air conditioning unit until a qualified personal has been to
correct the fault.
Disposal: When disposing of any air conditioning products,
consult with local authority for special disposal.
CAUTION
■ Prior to performing any maintenance work, ensure the unit is
switched off and the electrical power supply has been isolated.
■ Do not remove the fan guard until the unit has been switched off
and the electrical power supply has been safely isolated.
■ Ensure all of the equipment has been grounded.
■ Ensure hands are free from contaminants and are dry prior to
performing any electrical maintenance work.
■ Do not touch the heat exchanger fins.
These fins are sharp and could cause injury. If the fins are damaged,
this will effect the heat exchange performance.
■ Ensure condense drainage has a fall away from the unit.
■ Noise can be amplified should the air outlet be blocked on the
outdoor unit.
■ Do not place any objects on or obstruct any part of the air
conditioning unit.
Refer to instillation instructions for clearances.
■ Do not undertake any service or maintenance yourself.
Ensure you appoint a qualified person or contact Bosch.
■ Before servicing this equipment, ensure the electricity power
supply has been safely isolated.
■ When replacing a fuse, ensure you read the installation manual for
the correct fuse rating and size.
Or contact Bosch for the correct fuse rating.
■ When the unit is running fans will be operating. Keep hands away
from fan blades to prevent injury.
■ Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
■ When disposing of the products, consult with local authority for
special disposal.
■ Keep high frequency equipment away from the unit.
■ The air conditioning unit should not be in contact with oils, gases,
or salty air.
Failure to do so may cause product failure.
■ Ensure the equipment is grounded.
■ To protect against refrigerant leaks, speak to a compe tent person.
When a system is installed in a small room, please install refrigerant
leak detection equipment.
■ Should refrigerant come in to contact with a naked flame, the gas
can be extremely harmful.
■ Do not use the air conditioning unit where chemicals or gases are
present.
■ Ensure only an authorised person operate the appliance.
2. DESCRIPTION OF UNIT
5
▲
■
11
■
▲
2
4
3
■
▲
Fig. 2-1
6 720 862 438 (2016/04) RDCI Series – All DC Inverter Outdoor Units
OPERATION AND PERFORMANCE | 3
Table 2-1
Air inlet (Located on the Left, right and rear sides.)
1
Refrigerant pipe connective opening or outlet for wires
2
Refrigerant pipe connective opening or outlet for wires
3
Floor mount
4
Air outlet (Located on the top of the unit, which will expel hot or cold air
5
depending on the demand.)
NOTE
■ All the pictures in this manual are for explanation purposes only.
Your appliance will differ according to installation and application.
■ On completion of installing the air conditioning unit, ensure
the electrical power supply is on to the unit for the minimum of
12hrs prior to operation. Failure to do so, may result in product
failure. Should the units electrical power supply be interrupted for
a period of more than 24hrs, then the above process will have to
be repeated.
■ Ensure the air inlets and outlets are not blocked. This will decrease
the operational performance of the unit and could lead to product
failure.
3. OPERATION AND PERFORMANCE
■ Cooling and heating operation
• This unit can perform simultaneous cooling and heating of the
indoor units pending on the demand. However the units installed
downstream of the S Box modules on the same refrigeration circuit
cannot perform heating and cooling simultaneously. A fault will be
will be displayed.
1. When set as the Heating Priority Mode, the indoor unit on Cooling
Mode will stop and there will be Standby or in Priority displayed on
the control panel. Those indoor units which are running on Heating
Mode will run continuously.
2. When the Cooling Priority Mode has been set, the indoor unit
on Heating Mode will stop and there will be Standby or No Priority
displayed on the control panel. Those indoor units which are
running on Cooling Mode will run continuously.
3. When priority mode is selected, the first indoor unit turned
on will be master and will override all the indoor units. If the first
unit turned on (master) is in heating mode, then all other indoor
units will be in heating mode or in standby mode. This process is
the same for cooling should the first unit (master) select a cooling
demand. Should a demand be selected on an indoor unit which is
different to the ‚master‘ indoor units demand, an error code will
appear on the controller.
■ Features of heating operation
• When heating mode is selected, the unit will not blow warm air out
immediately. It can take 5-10 minutes to warm up depending on the
ambient temperature.
• During operation, the fan motor in the outdoor unit may stop
running under high temperatures.
• When a indoor unit is in standby, the fan will stop running to avoid
draft.
■ Defrost in the heating operation
• During heating operation, frost can accumulate on the outdoor unit.
To increase efficiency, the unit will start defrosting automatcally
for approximately 2 - 10minutes depending on the amount of
accumulated frost. The frost will then thaw and drip away from the
unit.
• During defrosting, both the outdoor unit and indoor unit fans will
periodically stop.
■ Operation conditions
• For optimum performance operate the system under the following
temperatures:
Table 3-1
Temperature
Mode
Cooling mode -5°C ~ 48°C 17°C ~ 32°C below 80%
Heating mode -20°C ~ 24°C ≤27°C
Mixed mode -5°C ~ 24°C
NOTE
When the unit is running outside it‘s normal parameters, the unit
will shut down as a protection device is fitted inside the unit.
■ Protection Device
This protection device will stop the unit automatically. When
protection device is activated, the running indicator flashes.
The protection device may have been activated as a result of the
following circumstances.
■ Cooling operation:
• The air inlet or air outlet on the outdoor unit is blocked.
• Strong winds are continuously blowing on the air outlet.
■ Heating operation:
• The indoor unit filters are blocked.
■ Electrical power to the unit is interrupted
• Should the electrical power supply be interrupted, all operation of
the unit will stop. Isolate the main electrical supply to the unit until
the electrical power supply has returned and stabilised.
• When the electrical power supply is re-established, the controller
will flash and will begin to initialise.
• Push the ON/OFF button again if you want to restart the unit
should the initialisation not work first time.
■ Communication problem
Should the communication between units be lost, switch off the
electrical power supply to all indoor/outdoor units. Firstly reinstate the power to the indoor units, then re-instate the power to
the outdoor unit.
■ Heating capacity
• If the outdoor ambient temperature decreases, then the output of
heat discharged from the indoor units will also decrease.
• In cold temperatures the unit will default to heating mode only.
NOTE
Do not attempt to re-activate the electrical power supply to the unit
via the protection device until the problem has been solved.
Outdoor
temperature
Indoor
temperature
Cooling mode
17°C ~ 32°C
Heating mode
≤27°C
Room
relative
humidity
4. TROUBLESHOOTING
Please read the following basic checks
CAUTION
■ Should a malfunction occur, isolate the electrical power supply to
both the indoor and outdoor units. Or should the fuse or leakage
protector frequently trip. Contact a competent person.
RDCI Series – All DC Inverter Outdoor Units 6 720 862 438 (2016/04)
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