Service Manual
Page 2
Functions Product Specifications Refrigeration Cycle Diagram Pipe Length and tha Flevation 10 iring uiagram Operation Details Display Function noels Function ns a a ion Operation Disassembly of the parts (Indoor Unit) -way valve 43 Cycle Troubleshooting Guide Electronic Parts Troubleshooting Guide ectronic Control Device e AO Exploded View and Replacement Parts List 2
Functions Product Specifications Refrigeration Cycle Diagram Pipe Length and tha Flevation 10 iring uiagram Operation Details Display Function noels Function ns a a ion Operation Disassembly of the parts (Indoor Unit) -way valve 43 Cycle Troubleshooting Guide Electronic Parts Troubleshooting Guide ectronic Control Device e AO Exploded View and Replacement Parts List 2
Service Manual
Page 10
Length 0 m(ft) 30(100) Additional Refrigerant g/m(oz/ft) 30(0.32) Outdoor unit Indoor unit Outdoor unit Oil trap Indoor unit .1 In case more than 5m (16.4ft) * Capicity is based on standard length and maximum allowance length is the basis of reliability. * Oil trap should be installed per 5-7 meters(16.4-23.0ft). -10- Pipe length and the elevation Capacity (Btu/h) 30k (50Hz, 60Hz) Pipe Size GAS LIQUID 5/8" 3/8" Standard Length m(ft) 7.5(25) Max. Elevation © m(ft) 15(50) Max.
Length 0 m(ft) 30(100) Additional Refrigerant g/m(oz/ft) 30(0.32) Outdoor unit Indoor unit Outdoor unit Oil trap Indoor unit .1 In case more than 5m (16.4ft) * Capicity is based on standard length and maximum allowance length is the basis of reliability. * Oil trap should be installed per 5-7 meters(16.4-23.0ft). -10- Pipe length and the elevation Capacity (Btu/h) 30k (50Hz, 60Hz) Pipe Size GAS LIQUID 5/8" 3/8" Standard Length m(ft) 7.5(25) Max. Elevation © m(ft) 15(50) Max.
Service Manual
Page 13
....suff While prc of e knioor heat exchanger from frosting • 5- . Low OFF Smiting fan speed ON han rtes r. relmrsing vabzeisilelayed for2-m-trwrtes-trrpreve-nt-the-refrigerant-gasincalm=il noise when the.
....suff While prc of e knioor heat exchanger from frosting • 5- . Low OFF Smiting fan speed ON han rtes r. relmrsing vabzeisilelayed for2-m-trwrtes-trrpreve-nt-the-refrigerant-gasincalm=il noise when the.
Service Manual
Page 21
... can be installed as high on the wall as non serviceable installation. 2) Piping length and elevation Capacity (Btuiti) 30k Sandard Pipe Size l_ten F EleMvaaxtiOn leInlgIxil Refrigerant GAS LIQUID m(-t) C m(ft) lm(ft) girn(ort) 516. 3/8' 7.5(25) 15(50) 30(100) 30(1.102) Outdoor unit Outdoor unit Indoor unit Oil trap Indoor unit...
... can be installed as high on the wall as non serviceable installation. 2) Piping length and elevation Capacity (Btuiti) 30k Sandard Pipe Size l_ten F EleMvaaxtiOn leInlgIxil Refrigerant GAS LIQUID m(-t) C m(ft) lm(ft) girn(ort) 516. 3/8' 7.5(25) 15(50) 30(100) 30(1.102) Outdoor unit Outdoor unit Indoor unit Oil trap Indoor unit...
Service Manual
Page 34
... position. Indoor unit 2) Air purging with liquid soap. A\ CAUTION To avoid nitrogen entering the refrigerant system in the refrig- Manifold valve Pressure gauge Charge hos Nitrogen gas cylinder(in the refrigerant circuit may freeze and block capillary tubing. ■ Water may lead to use a stop valve... for leaks with vacuum pump 1. AIR PURGING 1) Air purging Air and moisture remaining in the refrigerant system have been properly connected and all joints of parts in a liquid state, the top of the cylinder must be higher than 150 P.S.I ...
... position. Indoor unit 2) Air purging with liquid soap. A\ CAUTION To avoid nitrogen entering the refrigerant system in the refrig- Manifold valve Pressure gauge Charge hos Nitrogen gas cylinder(in the refrigerant circuit may freeze and block capillary tubing. ■ Water may lead to use a stop valve... for leaks with vacuum pump 1. AIR PURGING 1) Air purging Air and moisture remaining in the refrigerant system have been properly connected and all joints of parts in a liquid state, the top of the cylinder must be higher than 150 P.S.I ...
Service Manual
Page 36
... unit can work below .(Cooling) Outside ambient TEMP The pressure of optimum condition is now ready for 15-20 minutes, then check the system refrigerant charge: 1. CAUTION: Be sure to 7.1 P.S.I .G.) NOTE: If the actual pressure are installed correctly. 1, Reattach the cover by pulling it...been collected in the outdoor unit. - 36 - Ensure the difference between the intake temperature and the discharge is serviced. At that all refrigerant gas will have been properly connected. 2. Bolt Tubing connection 3. The air conditioner is as outdoor temperature decreases. Do not use . ...
... unit can work below .(Cooling) Outside ambient TEMP The pressure of optimum condition is now ready for 15-20 minutes, then check the system refrigerant charge: 1. CAUTION: Be sure to 7.1 P.S.I .G.) NOTE: If the actual pressure are installed correctly. 1, Reattach the cover by pulling it...been collected in the outdoor unit. - 36 - Ensure the difference between the intake temperature and the discharge is serviced. At that all refrigerant gas will have been properly connected. 2. Bolt Tubing connection 3. The air conditioner is as outdoor temperature decreases. Do not use . ...
Service Manual
Page 44
... 44 - Use torque wrench to tighten the service port nut to the open position. - Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg/cm2g. (6) Disconnect the charge set and the gas cylinder, and set the Liquid side and Gas side... the liquid side valve approximately 45° for 3 seconds then closing it for gas leakage. - Be sure to check for gas leakage. (5) Discharge the refrigerant. - 1) Re-air purging (Re-installation) Indoor unit C Liquid side Closed 3-Way valve ti Outdoor unit Gas side Closed 3-Way valve oe Gas cylinder ...
... 44 - Use torque wrench to tighten the service port nut to the open position. - Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg/cm2g. (6) Disconnect the charge set and the gas cylinder, and set the Liquid side and Gas side... the liquid side valve approximately 45° for 3 seconds then closing it for gas leakage. - Be sure to check for gas leakage. (5) Discharge the refrigerant. - 1) Re-air purging (Re-installation) Indoor unit C Liquid side Closed 3-Way valve ti Outdoor unit Gas side Closed 3-Way valve oe Gas cylinder ...
Service Manual
Page 45
... is discharged too suddenly, the refrigeration oil will not be discharged. - 45 - If there is no air in the refrigerant cycle (the pressure when the air conditioner is not running is higher than 1 kg/cm2G), discharge the refrigerant until the gauge indicates 0 kg.../cm2G. - Leave the valve on the charge set and discharge the refrigerant until the gauge indicates 0.5 to 1 kg/cm2G. Discharge the refrigerant gradually; 2) Balance refrigerant of the 3-way valve (Gas leakage) Indoor unit c ) ( --russ% -11117, Liquid side -7\ 3-Way valve Open ''t Outdoor unit...
... is discharged too suddenly, the refrigeration oil will not be discharged. - 45 - If there is no air in the refrigerant cycle (the pressure when the air conditioner is not running is higher than 1 kg/cm2G), discharge the refrigerant until the gauge indicates 0 kg.../cm2G. - Leave the valve on the charge set and discharge the refrigerant until the gauge indicates 0.5 to 1 kg/cm2G. Discharge the refrigerant gradually; 2) Balance refrigerant of the 3-way valve (Gas leakage) Indoor unit c ) ( --russ% -11117, Liquid side -7\ 3-Way valve Open ''t Outdoor unit...
Service Manual
Page 46
... not move (approximately 5 minutes after turning off the vacuum pump). (4) Disconnect the charge hose from the vacuum pump. - Vacuum pump oil. Evacuation (All amount of refrigerant leaked) Indoor uni Liquid side 3-Way valet" Open ❑utdoor unit Gas side 3-Way valve Open Vacuum pump Wj L OPEN CLOSE • Procedure (1) Connect the...
... not move (approximately 5 minutes after turning off the vacuum pump). (4) Disconnect the charge hose from the vacuum pump. - Vacuum pump oil. Evacuation (All amount of refrigerant leaked) Indoor uni Liquid side 3-Way valet" Open ❑utdoor unit Gas side 3-Way valve Open Vacuum pump Wj L OPEN CLOSE • Procedure (1) Connect the...
Service Manual
Page 47
...charging cylinder. - If you dis-connected from previous procedures. If the system can not be charged with the specified amount of the liquid refrigerant). If the system has been charged with larger amounts of the cylinder and press the check valve on the charge set to purge the ...using a gas cylinder, also use a scale and reverse the cylinder so that the system can be charged with a little at the bottom of liquid refrigerant while operating the air conditioner. (4) Immediately disconnect the charge hose from the charge hose. - Use torque wrench to tighten the service port nut to...
...charging cylinder. - If you dis-connected from previous procedures. If the system can not be charged with the specified amount of the liquid refrigerant). If the system has been charged with larger amounts of the cylinder and press the check valve on the charge set to purge the ...using a gas cylinder, also use a scale and reverse the cylinder so that the system can be charged with a little at the bottom of liquid refrigerant while operating the air conditioner. (4) Immediately disconnect the charge hose from the charge hose. - Use torque wrench to tighten the service port nut to...
Service Manual
Page 48
... inen-the-reeffl-aw-humidity is low. The temperature can be measured by attaching the thermome*FtiFfh putty. All ameunt-ef-refrigerant leaked out. liNFrfimsErwtoctilivriinilwrevIt - 48 difference : less than 80% of operation. Difference - ChedFrefrigeration cycle. D3011: Current (1 -...less-than 8°C(14 Current • over 8°C(147) g current - Fiefrigerant leakege Clog of refrigerant (Leakage) Clogging Dcsc►'iptinn is usually 4.-5-50 kg/cm2C(Cooling) at the beginning of rated-current 4 Operarry Current Temp. rise...
... inen-the-reeffl-aw-humidity is low. The temperature can be measured by attaching the thermome*FtiFfh putty. All ameunt-ef-refrigerant leaked out. liNFrfimsErwtoctilivriinilwrevIt - 48 difference : less than 80% of operation. Difference - ChedFrefrigeration cycle. D3011: Current (1 -...less-than 8°C(14 Current • over 8°C(147) g current - Fiefrigerant leakege Clog of refrigerant (Leakage) Clogging Dcsc►'iptinn is usually 4.-5-50 kg/cm2C(Cooling) at the beginning of rated-current 4 Operarry Current Temp. rise...