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Contents

1 Safety Precautions ..........................................................................................1
2 Installation Instructions ....................................................................................2

2.1 Installation Location and Matters Needing Attention ................................ 2
2.2  Installation of the Outdoor Unit ................................................................ 4
2.3 Connection between Indoor and Outdoor Units ....................................... 6
2.4 Refrigerant Charging and Trial Running ................................................... 9

3 Working Principles of the Unit .......................................................................12
4 Parts and Components of the Unit ................................................................13
5 Maintenance ..................................................................................................14

5.1 Check before the Seasonal Use ............................................................. 14
5.2 Check after the Seasonal Use ................................................................ 14

6 Troubleshooting .............................................................................................15

6.1 Check before Contacting Service Center ............................................... 15
6.2 Problem Handling ................................................................................... 16
6.3 Error Description .................................................................................... 16
6.4 After-Sales Service ................................................................................. 21

7 Function Description ......................................................................................22
8 Performance Parameters ..............................................................................23

Содержание GRFMX366R5I

Страница 1: ...u for choosing Commercial Air Conditioners please read this manual carefully before operation and retain it for future reference GRFMX366R5I MAFX96R5I MAFX126R5I MAFX186R5I MAFX246R5I OUTDOOR UNITS IN...

Страница 2: ...u for choosing Commercial Air Conditioners please read this manual carefully before operation and retain it for future reference GRFMX366R5I MAFX96R5I MAFX126R5I MAFX186R5I MAFX246R5I OUTDOOR UNITS IN...

Страница 3: ...to the outdoor unit three minutes later after power recovery Do not frequently power on off the unit otherwise it would cause the compressor fan mainboard electrostatic expansion valve or other impor...

Страница 4: ...6 2 4 Refrigerant Charging and Trial Running 9 3 Working Principles of the Unit 12 4 Parts and Components of the Unit 13 5 Maintenance 14 5 1 Check before the Seasonal Use 14 5 2 Check after the Seaso...

Страница 5: ...le Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of use Never refit the unit and contact the sales agent or the professional installation per...

Страница 6: ...nimize the length and bends of the refrigerant pipe 3 Do not install the outdoor unit under the window or between the buildings to prevent the normal running noise entering the room 4 Where the flow o...

Страница 7: ...ned based on the maximum power maximum amps of the unit The specifications of the power cable listed in the table above are applied to the conduit guarded multi wire copper cable like YJV copper cable...

Страница 8: ...stalled on the base frame which is stable and secure uncouth to withstand the weight of the unit otherwise it would incur vibration and noise 3 During the installation a consideration should be taken...

Страница 9: ...lifting the unit and protect the unit carefully during lifting to prevent damaging the mental sheet which would result in rusting in future 5 The unit should be installed where there is as little as...

Страница 10: ...installed on a concrete base frame with a height of 10cm 5 The installation space of the unit should be as required in Fig 6 Installation Space Requirements of the Outdoor Unit 36K 42K Fig 6 2 3 Conne...

Страница 11: ...ax Length for Single Unit m 20 25 LX Max installation altitude Outdoor unit and indoor unit 15 15 H1 Indoor unit and indoor unit 7 5 7 5 H2 Table 4 Dimension of the Refrigerant Pipe of the Indoor Unit...

Страница 12: ...ed by brackets that is don t let the unit withstand the weight of it CAUTION For the free match D C inverter Muti variable air conditioner unit each pipe should be labeled to tell which system it belo...

Страница 13: ...charged into the refrigerant pipe during the field installation 2 Check if the liquid valve and the gas valve of the outdoor unit are closed fully 3 As shown in the following figure Fig 9 expel the ga...

Страница 14: ...m 3 Example 42K a b c d e Fig 10 Table 8 Indoor Unit Serial No Model Indoor Unit Ducted Type GFH 09 EA K3DNA1A I Indoor Unit Ducted Type GFH 09 EA K3DNA1A I Indoor Unit Ducted Type GFH 09 EA K3DNA1A I...

Страница 15: ...shock Does the wire meet the regulated requirement The unit may break down or the component may be burnt out Is there any obstacle at the air inlet outlet of the indoor outdoor unit The cooling heati...

Страница 16: ...air and then is turned into refrigerant liquid After passing through the throttling device the temperature and pressure of the refrigerant liquid will further decrease and then go the main valve Afte...

Страница 17: ...iable air conditioner unit one outdoor unit is able to drive up to four or five indoor units which can be cassette type duct type wall mounted or floor ceiling type Among them the cassette type and th...

Страница 18: ...vent combustion or deformation 5 1 Check before the Seasonal Use 1 Check if the inlet outlet of the indoor outdoor unit is clogged 2 Check if the earth lead is earthed reliably 3 Check if the batterie...

Страница 19: ...the power supply properly Insufficient batteries voltage of the remote controller Change new batteries Remoter controller out of the control scope Keep the control distance within 8 meters The unit st...

Страница 20: ...e unit squeaks when it is in and after the running It is the sound of frication generated by the skin plate etc which swells due to the temperature change The unit blows out dust When the unit restart...

Страница 21: ...Error Hc Flash 6 times Hc Hc Drive Error Startup Failure Lc Flash 11 times Lc Lc Drive Error DC Fan motor Error LA Outdoor No indoor fan motor H6 Flash 11 times Indoor Compressor phase circuit detecti...

Страница 22: ...ive Error Unit communication error See Table 16 Flash 6 times E6 E6 Indoor Unit n indoor pipe midway temperature sensor error See Table 16 Flash twice E2 E2 Indoor Indoor Evaporator Temp Sensor Short...

Страница 23: ...h 3 times H3 H3 Drive Error IPM Protection H5 Flash 5 times H5 H5 Drive Error Motor Desynchronizing H7 Flash 7 times H7 H7 Drive Error PFC Error Hc Flash 6 times Hc Hc Drive Error Startup Failure Lc F...

Страница 24: ...re sensor error 33 Unit C indoor unit pipe outlet temperature sensor error 14 Unit A indoor pipe inlet temperature sensor error 24 Unit B indoor pipe inlet temperature sensor error 34 Unit C indoor pi...

Страница 25: ...Refer to the real products for the exact position of each component Once errors are displayed on the controller please shut off the air conditioning unit and contact the professionally skilled person...

Страница 26: ...ignal from the wireless controller or it has run for ten minutes Forcible Defrosting How to activate this function when indoor unit runs under the HEAT mode and at 16 it will activate the forcible def...

Страница 27: ...5 24 Max cooling 32 23 48 26 Min cooling 21 15 18 Rated Heating 20 15 7 6 Max heating 27 24 18 Min heating 20 15 15 16 Notes The heating cooling capacity and noise listed below are all measured before...

Страница 28: ...fluorinated greenhouse gas with global warming potential GWP 2087 50 Do not release R410A into the atmosphere Technibel is a TRADE mark of NIBE ENERGY SYSTEMS FRANCE used under licence IMPORTED DISTR...

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