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Midea MSMBBU-12HRFN1(BW) / MOB03-12HFN1 [31/64] Adding the refrigerant after running the system for many years
![Midea MSMBBU-12HRFN1(BW) / MOB03-12HFN1 [31/64] Adding the refrigerant after running the system for many years](/views2/1311440/page31/bg1f.png)
DM16-01.01.22en Mission Inverter
Service manual 31
8.5 Adding the refrigerant after running the system for many years
Procedure:
1). Connect the charge hose to the 3-way service port, open the 2-way valve and the 3-way valve.
Connect the charge hose to the valve at the bottom of the cylinder. If the refrigerant is R410A, make
the cylinder bottom up to ensure liquid charge.
2). Purge the air from the charge hose.
Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the
air (be careful of the liquid refrigerant).
3) Put the charging cylinder onto the electronic scale and record the weight.
4) Operate the air conditioner at the cooling mode.
5) Open the valves (Low side) on the charge set and charge the system with liquid refrigerant.
6).When the electronic scale displays the proper weight (refer to the gauge and the pressure of the low
side), disconnect the charge hose from the 3-way valve’s service port immediately and turn off the air
conditioner before disconnecting the hose.
7). Mount the valve stem caps and the service port
Use torque wrench to tighten the service port cap to a torque of 18N.m.
Be sure to check for gas leakage.
Содержание
- Mission inverter series 1
- Service manual 2016 1
- Contents 2
- Installation 3
- Precaution 3
- Safety precaution 3
- Warning 3
- Caution 4
- Operational 5
- Function 6
- Inverter 6
- Model names of indoor outdoor units 6
- Dm16 01 1 2en mission inverter 7
- Service manual 7 7
- Specification 7
- Mission inverter dm16 01 1 2en 8
- Service manual 8
- Dm16 01 1 2en mission inverter 9
- Service manual 9 9
- Mission inverter dm16 01 1 2en 10
- Service manual 10
- Dimension 11
- Indoor unit 11
- Outdoor unit 14
- Dm16 01 1 2en mission inverter 15
- For moba02 09hfn1 for moba02 09hfn1 15
- Service manual 15 15
- For mob03 12hfn1 mob02 18hfn1 16
- Mission inverter dm16 01 1 2en 16
- Service manual 16
- Capacity tables 18
- Heating 18
- Mission inverter dm16 01 1 2en 18
- Msmbau 09hrfn1 bw moba02 09hfn1 cooling 18
- Service manual 18
- Dm16 01 1 2en mission inverter 19
- Heating 19
- Msmbbu 12hrfn1 bw mob03 12hfn1 cooling 19
- Service manual 19 19
- Heating 20
- Mission inverter dm16 01 1 2en 20
- Msmbcu 18hrfn1 bw mob02 18hfn1 cooling 20
- Service manual 20
- Dm16 01 1 2en mission inverter 21
- Heating 21
- Msmbdu 24hrfn1 bw moca01 24hfn1 cooling 21
- Service manual 21 21
- Indoor outdoor 22
- Mission inverter dm16 01 1 2en 22
- Refrigerant cycle diagram 22
- Service manual 22
- Wiring diagram 23
- Connecting the cables 26
- Installation details 26
- Wrench torque sheet for installation 26
- Caution 27
- Dm16 01 1 2en mission inverter 27
- Pipe length and the elevation 27
- Service manual 27 27
- System reliability 27
- The capacity test is based on the standard length and the maximum permissive length is based on the 27
- The pipe length and refrigerant amount 27
- Installation for the first time 28
- Adding the refrigerant after running the system for many years 31
- Re installation while the indoor unit need to be repaired 32
- Re installation while the outdoor unit need to be repaired 34
- Operation characteristics 36
- Abbreviation 37
- Display function 37
- Electronic function 37
- Main protection 39
- Operation modes and functions 40
- Outdoor fan and compressor stop 2 temperature setting function is disabled and no setting temperature is displayed 3 indoor fan can be set to high med low auto 4 the louver operates same as in cooling mode 5 auto fan 40
- Decrease 41
- Resume 41
- 2 8 heating 45
- 3 point check function 45
- And prevents household things freezing when the house is unoccupied for a long time in severe cold weather 45
- Dm16 01 1 2en mission inverter 45
- In heating operation the preset temperature of the air conditioner can be as lower as 45
- Memorize the maximum angle of the louver during operation if the power fails or the end user shuts down the unit in the turbo mode the louver will restore to the default angle 45
- Press the led display or led or mute button of the remote controller three times and then press the air direction or swing button three times in ten seconds the buzzer will keep ring for two seconds the air conditioner will enter into the information enquiry status you can press the led display or air direction button to check the next or front item s information when the ac enter the information enquiry status it will display the code name in 2 seconds the details are as follows 45
- Service manual 45 45
- Which keeps the room temperature steady at 45
- Mission inverter dm16 01 1 2en 46
- Service manual 46
- The details are as follows 46
- When the ac enter into the information enquiry status it will display the code value in the next 25 46
- Dm16 01 1 2en mission inverter 47
- Service manual 47 47
- Troubleshooting 47
- Indoor unit error display 48
- Eeprom a read only memory whose contents can be erased and reprogrammed using a pulsed voltage for the location of eeprom chip please refer to the below photos 49
- Trouble shooting 49
- Indoor outdoor unit s communication diagnosis and solution e1 50
- Mission inverter dm16 01 1 2en 50
- Service manual 50
- Trouble shooting 50
- Fan speed has been out of control diagnosis and solution e3 52
- Mission inverter dm16 01 1 2en 52
- Service manual 52
- Trouble shooting 52
- Check blocking of system and clear the blocking 54
- Check leakage of system 54
- Mission inverter dm16 01 1 2en 54
- Power off then restart the unit 2 minutes later 54
- Refrigerant leakage detection diagnosis and solution ec 54
- Service manual 54
- Trouble shooting 54
- E4 e5 f1 f2 f3 55
- Mission inverter dm16 01 1 2en 56
- Overload current protection diagnosis and solution f0 56
- Service manual 56
- Trouble shooting 56
- Dm16 01 1 2en mission inverter 57
- Ipm malfunction or igbt over strong current protection diagnosis and solution p0 57
- Pm continuity check 57
- Service manual 57 57
- Trouble shooting 57
- Mission inverter dm16 01 1 2en 58
- Over voltage or too low voltage protection diagnosis and solution p1 58
- Service manual 58
- Trouble shooting 58
- Conditions 59
- Dm16 01 1 2en mission inverter 59
- Error code 59
- High temperature protection of compressor top diagnosis and solution p2 59
- If the sampling voltage is not 5v the led will display the failure 59
- Malfunction decision 59
- Pcb faulty 59
- Power supply problems 59
- Service manual 59 59
- Supposed causes 59
- System leakage or block 59
- Trouble shooting 59
- 0 inverter compressor drive error diagnosis and solution p4 60
- Mission inverter dm16 01 1 2en 60
- Service manual 60
- Trouble shooting 60
- Dm16 01 1 2en mission inverter 61
- Main parts check main parts check 1 temperature sensor checking 61
- Service manual 61 61
- Appendix 62
- Mission inverter dm16 01 1 2en 62
- Service manual 62
- Temperature sensor resistance value table for t1 t2 t3 t4 c k 62
- Dm16 01 1 2en mission inverter 63
- Ppendix 2 63
- Service manual 63 63
- Temperature sensor resistance value table for t5 c k 63
- Compressor checking 64
- Mission inverter dm16 01 1 2en 64
- Service manual 64
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