ASREM4H4S18
From Technical Support Wiki
ASREM4H4S18 is the 18 SEER 18,000 Btu indoor unit of Serene 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 | FAN | Used to select the fan speed in sequence: auto, high, medium, or low. |
| 4 | ROOM TEMPERATURE SETTING | Press to raise the temperature setting. Can also be used to adjust the timer and adjust the current time. |
| 5 | ROOM TEMPERATURE SETTING | Press to lower the temperature setting. Can also be used to adjust the timer and adjust the current time. |
| 6 | SMART | Adjust smart settings. |
| 7 | SWING | Used to stop or start vertical adjustment louver swinging and set the desired up/down airflow direction. |
| 8 | SLEEP | Used to set or cancel Sleep Mode operation. |
| 9 | IFEEL | Used to set IFEEL operation. |
| 10 | CLOCK | Used to set the current time. |
| 11 | TIMER ON | Used to turn the timer function on. |
| 12 | TIMER OFF | Used to turn the timer function off. |
| 13 | SUPER | Used to start/stop the super cool/heat function. (Super cooling operates at high fan speed with a default 64 F temperature setting. Super heating operates at high fan speed with a default 89 F temperature setting.) |
| 14 | DIMMER | Pressing this button will dim the display on the indoor unit. Pressing any button will reverse the dimmer. |
Wiring Diagram
PCB Printed Diagram
| Number | Description |
|---|---|
| 1 | PG Motor Interface |
| 2 | Room temperature sensor |
| 3 | Pipe temperature sensor |
| 4 | Switch buton |
| 5 | Feedback from PG Motor |
| 6 | Up & down swing |
| 7 | Left & right swing |
| 8 | Wiring control or Wifi interface |
| 9 | Display interface |
| 10 | Protective tube |
Exploded View and Parts List
| Number | Part Name |
|---|---|
| 1 | Wiring Distribution Cover Assy |
| 2 | Over Clamp |
| 3 | Wire Terminal Board |
| 4 | Electric Join Box Plate |
| 5 | Electric Box |
| 6 | Indoor Main Control Board Component |
| 7 | Electric Box Cover |
| 8 | Electric Box Cover |
| 9 | Fan Motor |
| 10 | Motor Cover |
| 11 | Motor Guard |
| 12 | Step Motor |
| 13 | Water Pipe Parts |
| 14 | Baffle |
| 15 | Baffle |
| 16 | Installation Plate Assy |
| 17 | Base Holder Part |
| 18 | Vertical Level Vane |
| 19 | Vertical Level Vane |
| 20 | Level Vane |
| 21 | Axis Sheath |
| 22 | Baffle |
| 23 | Bearing |
| 24 | Cross Flow Fan Blade |
| 25 | Refrigeration System |
| 26 | Shell |
| 27 | Remote Controller |
| 28 | Temperature Sensor |
| 29 | Temperature Sensor |
| 30 | Display component |
| 31 | Ornamental Part |
| 32 | Panel |
| Unnumbered | Filter net |