ACZEM4H4R18
From Technical Support Wiki
ACZEM4H4R18 is the 15 SEER 18,000 Btu indoor unit of the Blue Series.
Remote Control
| # | Name | Description |
| 1 | ON/OFF | Press to start or stop operation. |
| 2 | MODE | Press to select operation mode (Auto/Cool/Dry/Fan/Heat). |
| 3 | + (Raise) | Press to raise the temperature setting. |
| 3 | - (Lower) | Press to lower the temperature setting. |
| 4 | FAN | Press to set fan speed. Rotates between Auto and Speeds 1-4. |
| 5 | SWING | Press to set swing angle. |
| 6 | SLEEP | Press to turn on sleep function. |
| 7 | TIMER | Manage the on and off timer with this button. |
Wiring Diagram
PCB Printed Diagram
| Number | Description |
|---|---|
| 1 | Live wire interface |
| 2 | Neutral wire interface |
| 3 | Fuse |
| 4 | PG motor |
| 5 | Auto button |
| 6 | Up and down swing terminal interface |
| 7 | PG feedback |
| 8 | IDU and ODU communication interface |
| 9 | Display terminal interface |
| 10 | Jumper |
| 11 | Ambient temperature sensor |
| 12 | Tube temperature sensor |
Exploded View and Parts List
| Number | Part Name |
|---|---|
| 1 | Front Panel Sub-Assy |
| 2 | Filter Sub-Assy |
| 3 | Screw Cover |
| 4 | Front Case Sub-Assy |
| 5 | Guide Louver |
| 6 | Air Louver 1 |
| 7 | Helicoid Tongue |
| 8 | Left Axile Bush |
| 9 | Rear Case Assy |
| 10 | Rubber Plug (Water Tray) |
| 11 | O-Gasket of Cross Fan Bearing |
| 12 | O-Gasket Sub-Assy of Bearing |
| 13 | Evaporator Support |
| 14 | Evaporator Assy |
| 15 | Wall Mounting Frame |
| 16 | Cross Flow Fan |
| 17 | Motor Press Plate |
| 18 | Fan Motor |
| 19 | Pipe Clamp |
| 20 | Drainage Hose |
| 21 | Step Motor |
| 22 | Crank |
| 23 | Display Board |
| 24 | Air Louver 2 |
| 25 | Electric Box Assy |
| 26 | Lower Shield of Electric Box |
| 27 | Electric Box |
| 28 | Axile Bush |
| 29 | Terminal Board |
| 30 | Jumper |
| 31 | Electric Box Cover 2 |
| 32 | Main Board |
| 33 | Shield Cover of Electric Box |
| 34 | Electric Box Cover 1 |
| 35 | Remote Controller |
| 36 | Temperature Sensor |
| 37 | Temperature Sensor |