User Manual
Page 4
.... 3 Earthing wire should be sure to take measures to ensure efficient discharge. Safety Cautions WARNING! The falling of refrigerant leakage. sible for installing the conditioner. Use discharge pipe correctly to prevent the refrigerant from leaking. Installed electrical-leaking circuit breaker. If conditioner is installed in case of goods and people may cause...
.... 3 Earthing wire should be sure to take measures to ensure efficient discharge. Safety Cautions WARNING! The falling of refrigerant leakage. sible for installing the conditioner. Use discharge pipe correctly to prevent the refrigerant from leaking. Installed electrical-leaking circuit breaker. If conditioner is installed in case of goods and people may cause...
User Manual
Page 8
Installation Procedure Installation of outdoor unit AU36NAIBEA AU42NAIBEA AU52NAIBEA 948 Power wiring Terminal 380 1250 25 340 580 4. Refrigerant piping (1) Outline piping Flare connection Gas pipe 3-way stop valve Indoor unit Liquid pipe Flare connection Outdoor unit AU242AHBEA AU282AHBEA AU28NAHBEA 3-way stop valve Flare connection Gas pipe Indoor unit Liquid pipe 3-way stop valve Outdoor unit 3-way stop valve AU142AFBEA AU182AFBEA AU36NAIBEA AU42NAIBEA AU52NAIBEA 7
Installation Procedure Installation of outdoor unit AU36NAIBEA AU42NAIBEA AU52NAIBEA 948 Power wiring Terminal 380 1250 25 340 580 4. Refrigerant piping (1) Outline piping Flare connection Gas pipe 3-way stop valve Indoor unit Liquid pipe Flare connection Outdoor unit AU242AHBEA AU282AHBEA AU28NAHBEA 3-way stop valve Flare connection Gas pipe Indoor unit Liquid pipe 3-way stop valve Outdoor unit 3-way stop valve AU142AFBEA AU182AFBEA AU36NAIBEA AU42NAIBEA AU52NAIBEA 7
User Manual
Page 9
...leakage. (4) Piping connection Connecting method (indoor unit) Apply refrigerant oil at half union as sands enter the pipe. Model One way piping length AU142AFBEA AU182AFBEA AU242AHBEA AU282AHBEA AU28NAHBEA AU36NAIBEA AU42NAIBEA AU52NAIBEA less than 40 m less than 30 m Do not... twist or crush piping. Installation Procedure Refrigerant piping (2) Piping size AU142AFBEA AU182AFBEA AU242AHBEA AU282AHBEA AU28NAHBEA AU36NAIBEA AU42NAIBEA AU52NAIBEA Liquid pipe Gas pipe ...
...leakage. (4) Piping connection Connecting method (indoor unit) Apply refrigerant oil at half union as sands enter the pipe. Model One way piping length AU142AFBEA AU182AFBEA AU242AHBEA AU282AHBEA AU28NAHBEA AU36NAIBEA AU42NAIBEA AU52NAIBEA less than 40 m less than 30 m Do not... twist or crush piping. Installation Procedure Refrigerant piping (2) Piping size AU142AFBEA AU182AFBEA AU242AHBEA AU282AHBEA AU28NAHBEA AU36NAIBEA AU42NAIBEA AU52NAIBEA Liquid pipe Gas pipe ...
User Manual
Page 10
...the pressure drops, check the leakage in close state. Third step: 3.0 MPa (30kg/cm2g) pressurize about 24 hours. Installation Procedure Refrigerant piping 5. Low pressure peizometer Indoor Outdoor High pressure peizometer 3-way valve totally closed (Gas side) VL VH Meter separator Completely tightened Flare...first to the pipe connection mode as the following figure shown. methods to prevent the nitrogen entering the circulation system of refrigerant pipe, it again or tighten the nut tightly again. 9 TUBING BRING BRAZED LINE PRESSURE GAUGE SWEAT JOINT LARGE SLIP-ON...
...the pressure drops, check the leakage in close state. Third step: 3.0 MPa (30kg/cm2g) pressurize about 24 hours. Installation Procedure Refrigerant piping 5. Low pressure peizometer Indoor Outdoor High pressure peizometer 3-way valve totally closed (Gas side) VL VH Meter separator Completely tightened Flare...first to the pipe connection mode as the following figure shown. methods to prevent the nitrogen entering the circulation system of refrigerant pipe, it again or tighten the nut tightly again. 9 TUBING BRING BRAZED LINE PRESSURE GAUGE SWEAT JOINT LARGE SLIP-ON...
User Manual
Page 11
... air inside the system. If after 3 hours vacuumizing, it still cannot reach the vacuum degree below -755mmHg, it is : Refrigerant charging amount = (L-5) x M (g) For AU142AFBEA, AU182AFBEA, M=30 For AU242AHBEA, AU282AHBEA, AU28NAHBEA, AU36NAIBEA, AU42NAIBEA, AU52NAIBEA M=65 Only in COOLING operation can be charged from the charging nozzle of (lower than 5m, it can charge...
... air inside the system. If after 3 hours vacuumizing, it still cannot reach the vacuum degree below -755mmHg, it is : Refrigerant charging amount = (L-5) x M (g) For AU142AFBEA, AU182AFBEA, M=30 For AU242AHBEA, AU282AHBEA, AU28NAHBEA, AU36NAIBEA, AU42NAIBEA, AU52NAIBEA M=65 Only in COOLING operation can be charged from the charging nozzle of (lower than 5m, it can charge...