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 type
z High voltage communication, convenient wiring work
z Multiple control types
z 10℃ constant temperature control
z Universal power supply for 50Hz and 60Hz
z Central control function available
z New friendly refrigerant R410a, zero ODP, environment protection
Manual code: SYJS-017-10REV.0 Edition: 2010-12-10
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