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Summary of Contents for Technibel GRFMX366R5I
- Page 1 Air conditioners FREE-MATCH MULTISPLIT USER AND INSTALLATION MANUAL OUTDOOR UNITS INDOOR UNITS MAFX96R5I GRFMX366R5I MAFX126R5I MAFX186R5I MAFX246R5I Thank you for choosing Commercial Air Conditioners, please read this manual carefully before operation and retain it for future reference. V 11/15...
- Page 2 Air conditioners FREE-MATCH MULTISPLIT USER AND INSTALLATION MANUAL OUTDOOR UNITS INDOOR UNITS MAFX96R5I GRFMX366R5I MAFX126R5I MAFX186R5I MAFX246R5I Thank you for choosing Commercial Air Conditioners, please read this manual carefully before operation and retain it for future reference. V 11/15...
- Page 3 User Notice ◆ The total capacity of the indoor units which runs at the same time can not exceed 150% of that of the outdoor units; otherwise, the cooling (heating) effect of each indoor unit would be poor. ◆ Switch the main power on 8 hours before starting the unit, helpful for a successful startup. ◆...
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Page 4: Table Of Contents
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 ............... -
Page 5: Safety Precautions
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 1 Safety Precautions Please read this manual carefully before using and operating correctly as instructed in this manual. Please especially take notice of the following two symbols： Warning! It indicates improper operation which will lead to human casualty or severe injury. Caution! It indicates improper operation which will lead to injury or property damage. -
Page 6: Installation Instructions
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 2 Installation Instructions 2.1 Installation Location and Matters Needing Attention The installation of the unit must comply with the national and local safety regulations. The installation quality directly affects the normal use, so the user should not carry out the installation personally, instead, the installation and debugging should be done by technician according to this manual. - Page 7 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 3) Do not pull the power cord by force. 4) The electric installation should be carried out by the professional personnel as instructed by the local laws, regulations and also this manual. 5) The diameter of the power cord should be large enough and once it is damaged it must be replaced by the dedicated one.
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Page 8: Installation Of The Outdoor Unit
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit OUTDOOR UNIT INDOOR UNIT D INDOOR UNIT C INDOOR UNIT B INDOOR UNIT A Fig.1 OUTDOOR UNIT INDOOR UNIT E INDOOR UNIT D INDOOR UNIT C INDOOR UNIT B INDOOR UNIT A Fig.2 (5) Noise Precautions 1) The air conditioning unit should be installed where ventilation is in good condition, otherwise... - Page 9 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit The following rules should be followed when the installation location is being considered so as to let the unit run well enough. 1) The discharged air from the outdoor unit won’t return back and enough space should be left for maintenance around the unit.
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Page 10: Connection Between Indoor And Outdoor Units
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 1087 1015 Fig. 5 2) During the transportation of the outdoor unit, two lifting ropes long enough must be used in four directions and the separation included angle must be less than 40°prevent the center of unit deviating. - Page 11 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit (2) Energy Level and Capacity Code of the Indoor and Outdoor Units Table 2 Energy Level Capacity Code Indoor Unit Outdoor Unit 1) The outdoor unit with capacity level 36 can drive up to four sets of indoor units, while the outdoor unit 42 can drive up to five.
- Page 12 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit Pipe Flare Nut Ordinary Fig. 7 Table 5：Moments of Torque for Tightening Screws Diameter Wall Thickness（mm） Moment of Torque φ6.35mm ≥ 0.5 15-30(N·m) φ9.52mm ≥ 0.71 30-40(N·m) φ12.7mm ≥ 1 45-50(N·m) φ15.9mm ≥...
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Page 13: Refrigerant Charging And Trial Running
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit (6) Wrap the Pipe with Tape 1) Bundle the refrigerant pipe and electric wire together with tape, and separate them from the drain pipe to prevent the condensate water overflowing. 2) Wrap the pipe from the bottom of the outdoor unit to the top of the pipe where it enters the wall. - Page 14 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit If the total refrigerant pipe length (liquid pipe) is smaller than that listed in the table below, no additional refrigerant will be charged. Table 7 Model Total Liquid Pipe Length (a+b+c+d+e) ≤ 40m ≤...
- Page 15 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit Total Table 11 Refrigerant Pipe Diameter Total Length(m) Additional Refrigerant Charge(kg) Φ15.9 Φ12.7 Φ9.52 Φ6.35 Total (3) Items to be checked after the Installation Table 12 Items to be Checked Possible Errors Check Results Has each part and component of the unit The unit may fall off, vibrate or generate...
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Page 16: Working Principles Of The Unit
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 3 Working Principles of the Unit Schematic Diagram of Free Match Series Inverter Heat Pump Multi VRF System Fig. 11 Schematic Diagram of Free Match Series Inverter Heat Pump Multi VRF System The outdoor and indoor units start to work once the power is switched on. -
Page 17: Parts And Components Of The Unit
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 4 Parts and Components of the Unit System Structure Outdoor Unit Duct Type Indoor Duct Type Indoor Cassette Type Wall Mounted Unit(Round air Unit(Rectangular Indoor Unit Indoor Unit outlet) air outlet) Fig. 12 For the free match D.C.inverter Muti-variable 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. -
Page 18: Maintenance
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 5 Maintenance WARNING! The unit can only be cleaned after the unit is turned off and the main power is cut off; ① otherwise it would cause an electric shock hazard. Do not dampen the air conditioner, as it would cause an electric shock hazard and never ②... -
Page 19: Troubleshooting
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 6 Troubleshooting WARNING! In the event of abnormal conditions (like, stinky smell), please shut off the main power ① supply immediately and then contact the appointed service center; otherwise the continuous abnormal running would damage the air conditioning unit and also would cause electric shock or fire hazard etc.. -
Page 20: Problem Handling
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 6.2 Problem Handling The conditions listed below are not classified into errors. Table 14 Conditions Causes When restart the unit soon after it The overload protection switch of the unit let the The unit is stopped. - Page 21 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit Indoor Unit Water Full Flash 9 times Indoor Error Refrigerant Recovery Quick Quick Special Mode Flashing Flashing Mode Outdoor Ambient Flash 3 times Outdoor Temp Sensor Error Outdoor Mid-Coil Flash 4 times Outdoor Temp Sensor Error Outdoor Discharge Air...
- Page 22 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit AC Contactor Flash 3 times Flash 3 times Flash 3 times Drive Error Protection Flash 12 Current Sensor Error Drive Error times Sensor Connection Flash 3 times Flash 3 times Flash 3 times Drive Error Protection Over Voltage...
- Page 23 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit High Discharge Temp Flash 4 times Outdoor Protection Outdoor & Communication Error Flash 6 times Indoor Indoor Unit Water Full Flash 9 times Indoor Error Refrigerant Recovery Special Flash once Flash once Mode Mode Outdoor Ambient Temp...
- Page 24 Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit Temp Drift Protection Drive Error Drive Board Ambient Drive Error Temp Sensor Error Charging Circuit Error Flash 17 times Drive Error Unit n communication Flash 6 times Indoor error Table 16 Unit n indoor pipe midway temperature Flash twice Indoor...
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Page 25: After-Sales Service
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit LED88 Fig.13 Outdoor Unit: 36-42K (Note: 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 personnel for troubleshooting. -
Page 26: Function Description
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 7 Function Description Refrigerant Recovery The refrigerant can be recovered from either the indoor unit or the outdoor unit. From the outdoor unit: it is available to recover the refrigerant from the outdoor unit by pressing “SW3”... -
Page 27: Performance Parameters
Free Match D.C.inverter Muti-variable Air Conditioner Outdoor Unit 8 Performance Parameters Rated Working Conditions of the Air Conditioning Unit Table 18 Working Temperature Range Indoor side state Outdoor side state Dry bulb temp. ℃ Wet bulb temp. ℃ Dry bulb temp. ℃ Wet bulb temp. - Page 28 The unit contains R410A, a 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 & DISTRIBUTED BY ARGOCLIMA SPA - Via Alfeno varo, 35 - 25020 - Alfianello (BS) Italy...
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