Service Manual
Page 1
Commercial Air Conditioning SERVICE MANUAL MULTI upgrade series Models Indoor: AB09CS1ERA AB12CS1ERA AB18CS1ERA AB24ES1ERA AC12CS1ERA AC18CS1ERA AC24CS1ERA AD09LS1ERA AD12LS1ERA AD18LS1ERA AD24LS1ERA Outdoor: 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA z DC inverter technology, high energy efficiency, higher EER A+, energy saving for the user z Universal indoor units for multi upgrade series, Unitary smart DC inverter and HAIER DAC split inverter...
Commercial Air Conditioning SERVICE MANUAL MULTI upgrade series Models Indoor: AB09CS1ERA AB12CS1ERA AB18CS1ERA AB24ES1ERA AC12CS1ERA AC18CS1ERA AC24CS1ERA AD09LS1ERA AD12LS1ERA AD18LS1ERA AD24LS1ERA Outdoor: 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA z DC inverter technology, high energy efficiency, higher EER A+, energy saving for the user z Universal indoor units for multi upgrade series, Unitary smart DC inverter and HAIER DAC split inverter...
Service Manual
Page 49
...supplied to the outdoor and indoor units, please cinfirm that all the 4 dip-switches on the outdoor unit small service PC-board as shown in the table below. The service monitor LEDs indicate the error of wiring, as shown on the indoor unit or pipes, this seven-segment numeric..., at 16 OC. Seven-segment numeric display 1) When unit is failure code. Make sure that is normal. 7) Operate the unit according to the service manual. CN2 CN3 Switch on all the stop valves are fully open. For details about 3 minutes. 6) During cooling operation, frost may ocur on the right...
...supplied to the outdoor and indoor units, please cinfirm that all the 4 dip-switches on the outdoor unit small service PC-board as shown in the table below. The service monitor LEDs indicate the error of wiring, as shown on the indoor unit or pipes, this seven-segment numeric..., at 16 OC. Seven-segment numeric display 1) When unit is failure code. Make sure that is normal. 7) Operate the unit according to the service manual. CN2 CN3 Switch on all the stop valves are fully open. For details about 3 minutes. 6) During cooling operation, frost may ocur on the right...