Gree MULTIU48HP230V1BO Installation & Owner'S Manual Download Page 31

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Super Free Match Series

12.2

Problem Handling

The conditions listed below are not classified into errors.

The unit does

not run

When restart the unit soon after
it is stopped

The overload protection switch of the unit let
the startup delayed for three minutes

As soon as power supply is on

The unit will stand by for approximate one
minute

The unit blows

out mist

When the cooling operation
starts

The hi-humidity air indoor is cooled quickly

The unit

generates noise

The unit “clatters” as soon as it
starts running

It is the sound generated during the
initialization of the electronic expansion
valve

The unit “swishes” during the
cooling operation

It is the sound when the refrigerant gas runs
inside the unit

The unit “swishes” when it is
started or stopped

It is the sound when the refrigerant gas stops
running

The unit “swishes” when it is in
and after the running

It is the sound when the draining system is
operating

The 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 restarts after it is
not used for a long time

The dust inside the unit is blown out again

The unit emits

odors

When the unit is running

The odors absorbed in are blown out

12.3

Error Description

If some error occurs when the unit is running, the error code will be displayed and check for

more details about the meaning of each error.

Errors of definition

Main control display for outdoor unit

Indoor

unit code

Testing

board code

Yellow LED

Red LED

Green LED

The compressor is startup

Flash 1 time

IPM current protection

Flash 3 times

IPM temperature protection

Flash 5 times

PFC current protection

Flash 7 times

PFC temperature protection

Flash 8 times

Low voltage protection

Flash 9 times

High voltage protection

Flash 10 times

Low pressure protection

Flash 11 times

High pressure protection

Flash 12 times

High pressure switch protection

Flash 13 times

Capacitor charging error

Flash 14 times

AC current protection

Flash 15 times

Summary of Contents for MULTIU48HP230V1BO

Page 1: ...or choosing Gree air conditioners please read this installation owner s manual carefully before operation and keep it for future reference GREE reserves the right to change this contents of this manual without notice due to product improvement or modification GREE Electric Appliances Inc of Zhuhai reserves the final right to interpret this manual ...

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Page 3: ...oors is conflict with the modes of outdoor units it will be indicated on the display of the wired controller in five seconds and then the indoor unit will stop In this case please harmonize their work modes the cooling mode is compatible with the dry mode 9 If the supply power fails when the unit is running then the indoor unit will send the start signal to the outdoor unit three minutes later aft...

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Page 5: ... of Connecting Pipe 9 6 2 Dimension of Connecting Pipe 10 6 3 Connection of Branch Pipe 10 6 4 Connection of Refrigerant Pipes 11 6 5 Connection of Refrigerant Pipe 12 6 6 Leak Test 13 6 7 Vacuum Operation 13 6 8 Refrigerant Charging 14 7 Electrical Wiring Work 17 7 1 Wiring Connection 17 7 2 Requirements of Power Circuit and Cable 17 7 3 Ground Requirements 18 7 4 Precautions on the Electrical Wi...

Page 6: ...Contacting Service Center 24 12 2 Problem Handling 25 12 3 Error Description 25 13 Maintenance 28 13 1 Outdoor Condenser 28 13 2 Drain Pipe 28 13 3 Check before the Seasonal Use 28 13 4 Maintenance after Seasonal Use 28 14 After sales Service 28 ...

Page 7: ...ent on the nameplate Make sure the power supply is safe 8 This air conditioner must be properly grounded through the receptacle to avoid electric shock The ground wire shouldn t be connected with gas pipe water pipe lightning arrester or telephone line 9 If refrigerant leaks while work is being carried out ventilate the area If the refrigerant comes in contact with a flame it produces toxic gas 10...

Page 8: ...rn off the power supply Otherwise it may cause electric shock or damage 28 Do not spray water on the air conditioner or it will cause malfunction or electric shock 29 The air conditioner is not support to install in the circumstances as the following that where there is full of mist of oil damp or corrosive gas flammable gases the acidic or alkaline vapor and the ocean 30 Volatile liquid like thin...

Page 9: ...Otherwise it will produce toxic gas when the refrigerant contacts with the fire 2 2 Precaution for Installation The unit is so heavy that it is more than 110kg so more than two persons will be needed to remove the unit The package cannot bear it so do not grasping it When remove the units please place the hands on the corner and take care not to hurt the hands by the fins It is very likely to disp...

Page 10: ...tial house business office hotel and where especially applicable to the place with variable load change Gree air conditioner is absolutely your best choice 3 1 Names of Main Parts NO Name Fan motor Axial flow fan blade Electrical box Gas side stop valve Liquid side stop valve Fig 1 3 2 Combinations for Outdoor and Indoor Units Table 1 Sorts MULTIU48HP230V1BO No of indoor units to be connected 2 n ...

Page 11: ...ig 2 3 4 Working Temperature Range Table 2 Sorts Maximum cooling 54 129 Minimum cooling 10 50 Maximum heating 27 81 Minimum heating 35 31 Outdoor unit Power supply wire for outdoor unit and BU module 3 wires Connection pipe Transmission line 2 wires Power supply wire for indoor unit 4 wires Ground Power 60Hz 208 230V Power 60Hz 208 230V Power 60Hz 208 230V Power 60Hz 208 230V Ground Ground The 1st...

Page 12: ...ration or noise after installation 1 The installation of the air conditioner must be in accordance with the national and local laws and regulations 2 The quality of the installation will affect the capability of air conditioner directly The installation should be left to a licensed HVAC technician Please contact your dealer if you have any questions after installation Licensed HVAC technicians wil...

Page 13: ...ing Space 1 In case of installing only one unit In case obstacles exist around the unit the required installation space is in the Fig 4 2 In case of installing multiple units 2 units or more In case multiple rows of series installation the required installation space is in the Fig 5 Fig 4 unit mm Fig 5 unit mm ...

Page 14: ... holes in the installation location A The outlet side B Bottom view mm C Drain hole Fig 6 3 Fix the unit securely with the foundation bolts You can get the M10 or M12 foundation bolts nuts and washers from the market Fig 7 4 Rubber or spring shock absorbers should be used during the installation of the outdoor unit to meet the noise and vibration requirements 5 Screw the foundation bolts into the ...

Page 15: ...O 1A 1B 1C 2A 2B 2C 3A 3B 80 263 Between indoor unit and BU module 1A 1B 1C 2A 2B 2C 3A 3B 15 49 Between indoor unit and the 1st branch L4 1B L2 L5 2A L2 L3 3B 40 131 Maximum allowable length Between outdoor and indoor units H1 30 99 Between outdoor units and BU modules H2 30 99 Between BU and BU modules H3 15 49 Between indoor and indoor units H4 15 49 Minimum allowable length Between outdoor and...

Page 16: ... BU modules used Y type branch pipe of FQ01A A will be chosen FQ01A A Liquid pipe FQ01A A Gas pipe Fig 9 2 Y type branch pipe is equipped with auxiliary tubes to adjust the diameter of different pipes If the dimension of the pipe selected is different from the dimension of branch pipe joint Cut the copper tube in the middle with tube cutter and clear up burrs Please do that as following figure Fig...

Page 17: ... pipe in the appropriate place and remove the burrs Install the nut before the flaring operation Check the flared portion whether there is fractured or not Fig 12 2 Precaution for elbow operation The elbow operation could be done by hands Be careful and do not damage the pipe Fig 13 If the thermal insulation of the refrigerant pipe is not removed please do not bend the pipe Otherwise it maybe lead...

Page 18: ...4 48 Φ19 05 3 4 1 0 1 25 70 75 52 55 Fig 14 CAUTION 1 During the connection of the indoor unit and BU module to the refrigerant pipe never pull any joints of the indoor unit and the BU module by force otherwise the capillary pipe or other pipe may crack which then would result in leakage 2 The refrigerant pipe should be supported by brackets that is don t let the unit withstand the weight of it 3 ...

Page 19: ...t 3 Turn on the Hi knob and Lo knob NOTICE The leak test should be done simultaneously at both the gas and liquid stop valves 4 Open the pressure reducing valve pressurize the connection pipes to 1 0 MPa 10 bar slowly wait fifteen minutes and make sure that the pressure will not drop 5 Rise the pressure to 4 0 MPa 40 bar slowly wait 24 hours and make sure the pressure will not drop 6 If the pressu...

Page 20: ...arge of the outdoor unit from the nameplate NOTICE 1 The refrigerant charge of the outdoor unit does not include the charged additionally in the indoor unit BU module and the refrigerant pipe 2 For the length of the connecting pipe is decided on the field the amount of additional refrigerant shall be decided depending on the dimension and the length of the liquid pipe used on the field 3 It does n...

Page 21: ...B Φ6 35 1 4 5 16 3 8 1C Φ6 35 1 4 5 16 3 8 2A Φ6 35 1 4 5 16 3 8 2B Φ6 35 1 4 5 16 3 8 2C Φ6 35 1 4 5 16 3 8 The total length of the liquid pipes 20 10 10 5 5 5 5 5 5 70m 229 5 8feet Thus the total length is over than 30m 98 3 8feet so the air conditioner needs to add refrigerant Additional refrigerant charge Σ the Liquid Pipe Length of Φ6 35 0 022kg m Σ the Liquid Pipe Length of Φ9 52 0 054kg m 1...

Page 22: ...to the system b Turn on the R410A tank and the Lo knob charge the R410A refrigerant into the unit from the gas side stop valve The Hi knob should be closed completely c Turn off the R410A tank and the Lo knob immediately when adding refrigerant is enough Turn on the power of the air conditioner and set heating mode running more than 0 5h when outside temperature is lower than 15 59 DB a Refer to t...

Page 23: ...s Sectional area MULTIU48HP230V1BO 3 6 0 mm2 Recommended cable of BU module Pieces Sectional area 3 0 75 mm2 Transmission line Pieces Sectional area 2 1 5 mm2 Recommended cable of indoor unit Pieces Sectional area 4 0 75mm2 Capacity of the air switch MULTIU48HP230V1BO 50A BU module 10A NOTICE 1 The total length of the transmission line between the outdoor unit and the furthest BU module is not mor...

Page 24: ...be used for other purpose or cut off Otherwise it will cause the hazard of electric shock 4 The reliable ground terminal should be provided and the ground wire cannot be connected to any of the following places a Water pipe b Coal gas pipe c Sewage pipe d Lightning rod e Telephone line f Other unreliable places considered by a professional 7 4 Precautions on the Electrical Wiring Work WARNING 1 Th...

Page 25: ...er cable and transmission line from damage by the pipes or others an interval of at least 2cm 3 4inch away is essential 7 Screw the coping plate front side plate right connection board front connection board back 8 Cover the through holes with sealing materials to prevent the water dust or small animals going into the outdoor unit CAUTION 1 The transmission line and the power cable must be separat...

Page 26: ... at a certain gradient 1 50 1 100 so as to avoid bulges of pipes where there might be water bends 2 The drainage pipeline is form of the hard PVC pipes for common purposes which can be purchased locally The diameter of the PVC pipes is not less than 17mm 11 16inch and the pipeline should be fixed as close to the BU module as possible 3 Insert the drain hose into the drain hole of drainage pipeline...

Page 27: ...nt pipe and transmission line together with tape and separate them from the drain pipe to prevent the condensate water overflowing 5 Wrap the pipe from the bottom of the outdoor unit to the top of the pipe where it enters the wall During the wrapping the later circle should cover half of the former one CAUTION 1 At intervals of about 1 meter 3 1 4feet fix the refrigerant pipes to the wall with bra...

Page 28: ...h of connection pipes and refrigerant charge amount been recorded It is not easy to decide the charge amount of refrigerant 10 2 Test Operation 1 Before test operation The appearance of the unit and the refrigerant pipes cannot be damaged during the installation Do not switch on power before installation is finished completely Electrical wiring must be connected correctly and securely The stop val...

Page 29: ...ction section displays the numbers of the indoor units the data section will display the outside temperature For example the 35 is represented of 35 If the function section displays the address of the indoor unit the data section will display the model of the indoor unit for example the 35 is represented of 35 model Normal The code of running state Code Running state Code Running state UE Pressure...

Page 30: ...tage of the remote controller is insufficient Replace with new batteries Remote controller is out of the control scope The distance shall be within 8m The unit stops soon after it starts Air inlet or outlet of indoor unit or outdoor unit is blocked Remove the obstacles Cooling or heating is abnormal Air inlet or outlet of indoor unit or outdoor unit is blocked Remove the obstacles Temperature sett...

Page 31: ... 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 restarts after it is not used for a long time The dust inside the unit is blown out again The unit emits odors When the unit is running The odors absorbed in are blown out 12 3 Error Description If some error occurs when ...

Page 32: ...mes LU Frequency limitation for compressor discharge temperature Flash 9 times F9 Frequency limitation for low pressure Flash 10 times Pn Frequency limitation for high pressure Flash 11 times F6 Discharge temperature sensor error Flash 12 times F5 F5 Outdoor temperature sensor error Flash 13 times F3 F3 Suction temperature sensor error Flash 15 times dc Condenser temperature sensor error Flash 16 ...

Page 33: ...Communication error between the main board and driving board P6 Communication error between the main board and testing board CE Gas sensor error of indoor unit Fn Humidity sensor error of indoor unit L1 Water full error of indoor unit E9 E9 Jumper terminal error of indoor unit C5 C5 Phase lack of power supply dJ Fan motor error of outdoor unit L3 Refrigerant recovery mode Fo Fo Display mode of Red...

Page 34: ...ours before the start of operation so as to ensure the successful startup of the air conditioning unit Check the outdoor unit to ensure the installation of it is steady Contact the appointed service center if there is any abnormal condition 13 4 Maintenance after Seasonal Use Turn off the power supply of the air conditioning unit and set the status of the power supply switch as OFF Clean the filte...

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Page 36: ...TRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com CAT NO GREE_MULTIU_INSTALL OWNERS_48MBH_03112020 ...

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