ASKCI4H4R18
From Technical Support Wiki
ASKCI4H4R18 is the 17-16 SEER 18,000 Btu outdoor unit of the Sky Split Series.
Wiring Diagram
PCB Printed Diagram
| Number | Description |
|---|---|
| 1 | Live wire input |
| 2 | Neutral wire input |
| 3 | Control power output [1-DC bus voltage, 3-GND] |
| 4 | DC Fan Motor 2 |
| 5 | DC Fan Motor 1 |
| 6 | Control power output [1-GND 2-18V, 3-15V] |
| 7 | Communication line [1-3.3V, 2-TX, 3-RX, 4-GND] |
| 8 | Communication line [1-pin GND, 2-pin B and 3-pin A] |
| 9 | Communication line [1-pin+12V, 2-pin B, 3-pin A, 4-pin GND] |
| 10 | High pressure switch for fan speed adjustment |
| 11 | High pressure switch for system protection |
| 12 | Low pressure switch for system protection |
| 13 | Compressor overload protection |
| 14 | Temperature Sensor |
| 15 | Electronic expansion valve line |
| 16 | Compressor electrical heater |
| 17 | Chassis electrical heater |
| 18 | 4-way valve |
Exploded View and Parts List
| Number | Part Name |
|---|---|
| 1 | Front Grill |
| 2 | Cabinet |
| 3 | Axial Flow Fan Sub-Assy |
| 4 | Fan Motor |
| 5 | Left Side Plate |
| 6 | Motor Support |
| 7 | Clapboard |
| 8 | Compressor and Fittings |
| 9 | Compressor Overload Protector (External) |
| 10 | Electric Heater (Compressor) |
| 11 | 4-Way Valve Assy |
| 12 | Top Cover Sub-Assy |
| 13 | Right Side Plate Sub-Assy |
| 14 | Condenser Assy |
| 15 | Handle |
| 16 | Valve Support |
| 17 | Drainage Joint |
| 18 | Cut Off Valve Assy |
| 19 | Chassis Sub-Assy |
| 20 | Capacitor CBB61 |
| 21 | Temperature Sensor |
| 22 | Main Board |
| 23 | Electric Box Sub-Assy |
| 24 | Electric Box Assy |
Piping Sizes
| Liquid Side | Gas Side |
|---|---|
| 1/4" | 3/8" |