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Summary of Contents for Bosch MDCI Series
- Page 1 Heat Pump Mini VRF Outdoor Unit Climate 5000 VRF MDCI series, monophase / three phase Owner‘s manual MDCI8-1 MDCI12-3 MDCI10-1 MDCI14-3 MDCI12-1 MDCI16-3 MDCI14-1 MDCI18-3 MDCI16-1 Before using your air conditioning unit, please read this manual carefully and keep it for future reference.
- Page 2 Fig. 1 air outlet Bracket air inlet Connection for refrigerant pipework NOTE All the pictures in this manual are for explanation purposes only. They may be slightly different from the air conditioning unit you have purchased (dependent on model). 6 720 862 440 (2016/04) Heat Pump Mini VRF Outdoor Unit...
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Page 3: Table Of Contents
Do not undertake any service or maintenance yourself. Ensure the interconnecting signal wires do not touch bare copper Ensure you appoint a qualified personnel or contact Bosch. pipework. The refrigerant circuit will get hot and melt the cables. Before servicing this equipment, ensure the electricity power supply has been isolated. -
Page 4: Operating Conditions
4 | OPERATING CONDITIONS Display function NOTE Follow the function below (12/14/16 kW). • On completion of installing the air conditioning unit, ensure the electrical power supply is on to the unit for the minimum of 12hrs Normal display Display “--” prior to operation. - Page 5 OPERATION AND PERFORMANCE | 5 • 4.6 Features of heating operation Communication problem: Should the communication between units be lost, switch off the • The fans inside the indoor units may stop periodically to avoid electrical power supply to all indoor/outdoor units. Firstly re-instate discharging the incorrect temperature of air into the room.
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Page 6: Error Codes
6 | ERROR CODES 5. ERROR CODES Table 5-1 (12/14/16 KW) Display Malfunction or Protection M_Home unmatching (Reserve) EEPROM Fault Communication fault of the outdoor chip and the indoor chip Communication error between Main board and IR341 Outdoor unit sensor fault Voltage protection fault Direct-current fan fault Heating fan fault in the area A lasts for 5 minutes... - Page 7 ERROR CODES | 7 Table 5-2 (8/10.5/18 KW) Display Malfunction or Protection Communication malfunction between indoor/outdoor units T3&T4 temperature sensor malfunction Power voltage protection Fan Protection Compressor discharge temperature sensor malfunction EEPROM malfunction A fan in the Aregion run for more than 5 minutes in Heat mode E6 protection has been activated 2 times in 10 minutes Communication malfunction between IR341/main board Hi-pressure protection...
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Page 8: Normal Operation Of Unit
If one of the following malfunctions occur, stop operation, isolate the When the unit is running, a low humming noise will be apparent until ■ electrical power supply and contact Bosch. the unit has stopped. The operation lamp is flashing rapidly (twice every second) ■... - Page 9 TROUBLESHOOTING | 9 Table 7-1 Symptoms Causes Solution • Power failure. • Wait for the electrical power supply to re- • Power switch is off. establish. Unit does not start • Fuse may have been activated. • Switch on the power. •...
- Page 10 10 | TROUBLESHOOTING 7.2 Problems and causes for the remote controller Before asking for servicing or repairing, check the following points. (See in Table 7-2) Table 7-2 Symptoms Causes Solution • Check whether the MODE indicated on the display When automatic mode is selected, the air conditioning is „AUTO“...
- Page 11 NOTES | 11 Heat Pump Mini VRF Outdoor Unit 6 720 862 440 (2016/04)