Installation Guide
Tools Needed:
- Measuring tape
- Screwdriver set
- Drill with bits
- Level
- Support bracket
- Weather stripping
Step-by-Step Installation
- Choose Installation Location: Select a sturdy window that can support the unit's weight, preferably near an electrical outlet.
- Prepare Window Area: Clean the window sill and frame, remove any obstructions, and ensure proper clearance around the unit.
- Install Support Bracket: Secure the mounting bracket to the window sill according to manufacturer specifications.
- Position the Unit: Carefully lift the air conditioner into the window opening, resting it on the support bracket.
- Secure the Unit: Extend the side panels and secure them to the window frame using provided screws.
- Seal the Unit: Apply weather stripping around the unit to prevent air leaks and improve energy efficiency.
- Electrical Connection: Plug into a dedicated 115V, 15A grounded outlet. Do not use extension cords or power strips.
- Test Operation: Turn on the unit and test all functions including cooling, fan speeds, and thermostat settings.
Specifications
| Model Series | 38HKR |
| Type | Window Air Conditioner |
| Color | White |
| Cooling Capacity | 10,000 BTU |
| Room Coverage | Up to 450 sq. ft. |
| Noise Level | 52 dB (Low Speed) |
| Control Type | Electronic Controls with LED Display |
| Energy Rating | Energy Star Certified |
| Energy Efficiency Ratio (EER) | 12.1 |
| Power Requirements | 115V, 60Hz, 15A |
| Dimensions (HxWxD) | 16.5 x 25.5 x 22 inches |
| Weight | 78 lbs |
| Air Flow | 350 CFM |
Warranty Information
- Full Warranty: 1 year parts and labor
- Compressor Warranty: 5 years on sealed system
- Additional Coverage: Optional extended warranty available
For warranty service, contact Carrier Customer Service at 1-800-227-7437 or visit Carrier.com
Key Features
Energy Efficient Operation
Energy Star certified with high EER rating, providing maximum cooling with minimal energy consumption for reduced electricity bills.
Multi-Speed Fan
Three fan speeds (High, Medium, Low) allow customized airflow for optimal comfort and noise control in any situation.
Programmable Timer
24-hour programmable timer lets you set the unit to turn on or off automatically, ensuring comfort when you need it and energy savings when you don't.
Sleep Mode
Automatically adjusts temperature and fan speed throughout the night for optimal sleeping comfort while conserving energy.
Auto Restart
In case of power interruption, the unit automatically resumes operation with previous settings once power is restored.
Washable Filter
Easy-to-clean mesh filter captures dust and particles, improving air quality and maintaining optimal performance.
Operating Modes Explained
Cool Mode
Standard cooling operation with adjustable temperature settings from 64°F to 86°F
Fan Only Mode
Circulates air without cooling, perfect for mild days or improving ventilation
Energy Saver Mode
Cycles compressor and fan to maintain temperature while reducing energy consumption
Dehumidify Mode
Removes excess moisture from the air without overcooling the room
Auto Mode
Automatically switches between cooling and fan modes based on room temperature
Sleep Mode
Gradually increases temperature and reduces fan speed for comfortable sleeping
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit won't turn on | Power issue, circuit breaker tripped, timer set | Check power cord, reset circuit breaker, check timer settings |
| Poor cooling performance | Dirty filter, thermostat set too high, room too large | Clean filter, lower temperature setting, ensure proper room size |
| Water leaking inside | Unit not tilted properly, drain holes blocked | Tilt unit slightly outward, clear drain holes |
| Unit freezing up | Dirty filter, low outdoor temperature | Clean filter, turn off unit to defrost, use in appropriate temperatures |
| Unusual noises | Loose parts, debris in fan, improper installation | Tighten all screws, clear debris, check installation |
| Fan running but no cooling | Compressor issue, refrigerant leak, electrical problem | Contact authorized service technician |
Error Codes
- E1: Room temperature sensor error - Check sensor connection
- E2: Evaporator temperature sensor error - Contact service
- E3: Compressor overload protection - Wait 3 minutes and restart
- E4: System abnormal - Turn off and restart after 10 minutes
- E5: Indoor fan motor error - Check for obstructions
- E6: Communication error - Check control board connections
Manual Downloads
Current Model Manuals
38HKR
10,000 BTU Window AC
40HKR
12,000 BTU Window AC
36HKR
8,000 BTU Window AC
42HKR
14,000 BTU Window AC
Popular Previous Models
38EKR
10,000 BTU Energy Star
40GKR
12,000 BTU with Remote
36FKR
8,000 BTU Quiet Series
42DKR
14,000 BTU Heavy Duty