LG HU161.U33 Manuel d'utilisateur Page 46
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Evacuation
1. Connect the charge hose end described in the
preceding steps to the vacuum pump to evacuate
the tubing and indoor unit.
Confirm the "Lo and Hi" knob of the manifold valve
is open. Then, run the vacuum pump.
The operation time for evacuation varies with tubing
length and capacity of the pump. The following table
shows the time required for evacuation.
2. When the desired vacuum is reached, close the "Lo
and Hi" knob of the manifold valve and stop the
vacuum pump.
Finishing the job
1. With a service valve wrench, turn the valve stem of
liquid side valve counter-clockwise to fully open the
valve.
2. Turn the valve stem of gas side valve counter-
clockwise to fully open the valve.
3. Loosen the charge hose connected to the gas side
service port slightly to release the pressure, then
remove the hose.
4. Replace the flare nut and its bonnet on the gas side
service port and fasten the flare nut securely with
an adjustable wrench. This process is very
important to prevent leakage from the system.
5. Replace the valve caps at both gas and liquid side
service valves and fasten them tight.
This completes air purging with a vacuum pump.
The air conditioner is now ready to test run.
Indoor unit
Outdoor unit
Lo Hi
Manifold valve
Vacuum pump
Open
Open
Pressure
gauge
Required time for evacuation when 30 gal/h
vacuum pump is used
30 min. or more 60 min. or more
0.8 torr or less
If tubing length is less
than 10 m(33 ft)
If tubing length is longer
than 10 m(33 ft)
Piping and Wiring for Outdoor Unit
46 Air-to-Water Heat Pump
1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 46
- AIR-TO-WATER 1
- HEAT PUMP 1
- TABLE OF CONTENTS 2
- 3
- 4 Air-to-Water Heat Pump 4
- Installation Manual 5 5
- 1. Safety Precautions 6
- Operation 7
- Safety Precautions 8
- 8 Air-to-Water Heat Pump 8
- Installation 9
- 2. Installation Part 10
- 3. General Information 11
- 12 Air-to-Water Heat Pump 12
- General Information 12
- Typical Installation Example 13
- CASE 2: 14
- Connecting DHW Tank 14
- Installation Manual 15 15
- Cycle Diagram 16
- Water cycle 17
- Description 18
- Parts and Dimensions 19
- Indoor unit(Internal) 20
- Outdoor unit(External) 22
- Product Heating 23
- Capacity : 5kW,7kW,9kW 23
- U4 Chassis 23
- (unit:mm) 23
- Control Parts 24
- Control Panel 25
- Wiring Diagram : Indoor Unit 25
- Circuit Diagram : Indoor Unit 25
- Wiring Diagram : Outdoor Unit 25
- 26 Air-to-Water Heat Pump 26
- Installation Manual 27 27
- Indoor Outdoor 28
- Installation at Seaside 29
- General Considerations 30
- Service Space 30
- Upper screw 31
- 32 Air-to-Water Heat Pump 32
- AHNW16606A3, AHNW16809A3 33
- Pump model : PY-122NDDD3 33
- Pressure Drop 34
- Installation Manual 35 35
- Installation of Indoor Unit 35
- Water Quality 36
- Frost protection 36
- Refrigerant Piping 37
- Preparation for Piping 38
- Sideways 39
- Backward 39
- Outdoor unit 40
- Continuous 40
- Round pressure terminal 41
- Power wire 41
- Circuit Breaker Specification 42
- Installation Manual 43 43
- Finalizing 44
- Leakage test and Evacuation 45
- Pressure 46
- 48 Air-to-Water Heat Pump 48
- Water Charging 49
- Pipe Insulation 49
- Electrical Wiring 50
- Terminal Block Information 51
- Connecting with Outdoor Unit 52
- Electric Heater Wiring 52
- 8. Accessories Installation 53
- Before Installation 54
- Thermostat 54
- How to wire thermostat 55
- Final check 56
- How to Install DHW Tank 58
- How to Install DHW Tank Kit 59
- DHW tank 60
- How to Wire DHW Tank Heater 61
- Dry Contact 62
- Remote Temperature Sensor 62
- 3WAY VALVE 63
- 2WAY VALVE 64
- 14 15 16 64
- Remote Air Temperature Sensor 65
- Accessories Installation 66
- 66 Air-to-Water Heat Pump 66
- Water In 67
- Water Out 67
- 9. System Set-Up 68
- DIP Switch Information 69
- 70 Air-to-Water Heat Pump 70
- System Set-Up 70
- Installation Manual 71 71
- Installer Setting 72
- Installation Manual 73 73
- Common Setting 74
- Temperature range setting 75
- 76 Air-to-Water Heat Pump 76
- Installation Manual 77 77
- 78 Air-to-Water Heat Pump 78
- Installation Manual 79 79
- 2B.03 2B.03 80
- 2B.01 2B.012B.02 2B.022B.02 80
- Installation Manual 81 81
- Maintenance 82
- Troubleshooting 83
- 84 Air-to-Water Heat Pump 84
- Airborne Noise Emission 85
- Limiting concentration 85
- 86 Air-to-Water Heat Pump 86
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