1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your ACiQ 4 Ton 16.5 SEER2 High Efficiency Heat Pump Condenser. Please read this manual thoroughly before installation and use, and retain it for future reference. Proper installation and maintenance are crucial for optimal performance and longevity of the unit.

Figure 1: ACiQ 4 Ton 16.5 SEER2 High Efficiency Heat Pump Condenser outdoor unit.
2. Safety Information
Always adhere to local codes and regulations. Installation and servicing must be performed by qualified, licensed HVAC technicians. Failure to do so can result in property damage, personal injury, or death, and may void your warranty.
- Electrical Safety: Ensure the power supply is disconnected before performing any maintenance or service.
- Refrigerant Handling: This unit uses R454B refrigerant. Only certified personnel should handle refrigerants.
- Sharp Edges: Exercise caution when handling components, as some parts may have sharp edges.
- Heavy Equipment: The unit is heavy. Use proper lifting techniques and equipment during installation to prevent injury.
3. Product Features
The ACiQ 4 Ton 16.5 SEER2 Heat Pump Condenser is designed for high efficiency and reliable performance across a wide range of temperatures.
- Extreme Heat Technology: Provides consistent heating performance down to -22°F (-30°C) and maintains full heating power at 0°F (-18°C).
- Inverter Technology: Advanced inverter compressor adjusts power output to match demand, ensuring precise temperature control, reduced energy consumption, and quieter operation.
- Dual Functionality: Offers both powerful heating and efficient cooling for year-round comfort.
- Durable Construction: Features an aluminum coil for long-lasting reliability and fiberglass-free insulation to enhance efficiency and reduce condensation.
- All-Season Performance: Equipped with a chassis and crankcase heater for winter protection and high-temperature cooling capabilities for summer operation.

Figure 2: Unit operating effectively in cold temperatures, down to -22°F.

Figure 3: Unit operating effectively in hot temperatures, up to 122°F.
4. Setup and Installation
The ACiQ Heat Pump Condenser is designed as part of a split system. Proper installation requires professional expertise to ensure optimal performance, safety, and compliance with all applicable codes.
4.1 Site Selection
Choose a location for the outdoor unit that allows for adequate airflow, minimizes noise disturbance, and provides easy access for maintenance. Ensure the unit is installed on a level, stable surface.

Figure 4: The compact design of the ACiQ outdoor unit compared to traditional systems.
4.2 Air Handler Unit Compatibility
This condenser is compatible with multi-positional air handler units, allowing for flexible installation in upflow, downflow, or horizontal configurations.

Figure 5: Various installation orientations for the indoor air handler unit.
4.3 Electrical and Refrigerant Connections
All electrical wiring and refrigerant line connections must be performed by a licensed technician according to the wiring diagrams provided with the unit and all local and national electrical codes.
5. Operating Instructions
Once installed, your ACiQ Heat Pump Condenser will work in conjunction with your indoor air handler and thermostat to maintain desired temperatures.
- Thermostat Control: Use your compatible thermostat to set desired heating or cooling modes and temperatures.
- Inverter Operation: The inverter technology allows the unit to modulate its capacity, providing consistent comfort and energy savings. Expect quieter operation compared to traditional on/off systems.
- Seasonal Transitions: The system automatically switches between heating and cooling modes based on thermostat settings and ambient conditions.
6. Maintenance
Regular maintenance ensures the efficiency and longevity of your heat pump system. It is recommended to have a qualified technician perform annual inspections and servicing.
- Clean Outdoor Unit: Keep the area around the outdoor unit clear of debris, leaves, and vegetation to ensure proper airflow.
- Coil Cleaning: The unit features a self-cleaning function. For deeper cleaning, consult a professional.
- Filter Replacement: Regularly check and replace the air filters in your indoor air handler unit as per its manual.
- Drainage: Ensure the condensate drain line is clear and free of obstructions.

Figure 6: Maintain clear surroundings for optimal unit performance.
7. Troubleshooting
Before contacting customer support, review these common issues and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit not turning on | No power, tripped breaker, thermostat issue | Check power supply and circuit breaker. Verify thermostat settings. |
| Insufficient heating/cooling | Dirty air filter, blocked outdoor unit, low refrigerant | Clean/replace air filter. Clear debris from outdoor unit. Contact a technician for refrigerant check. |
| Unusual noises | Loose parts, fan obstruction, compressor issue | Inspect for loose panels or obstructions. If noise persists, contact a technician. |
For issues not listed or if problems persist, contact a qualified HVAC technician or ACiQ customer support.
8. Specifications
| Specification | Value |
|---|---|
| Brand | ACiQ |
| Model Number | ACiQ-48-HPD |
| Capacity | 4 Tons (48,000 BTU) |
| SEER2 Efficiency | 16.5 |
| Refrigerant Type | R454B |
| Product Dimensions (D x W x H) | 16.34 x 38.58 x 38.39 inches |
| Noise Level | 56 dB |
| Voltage | 120 Volts |
| Wattage | 14500 watts |
| Installation Type | Split System |
9. Warranty and Support
ACiQ provides a comprehensive warranty for this product:
- 7-Year Parts Warranty
- 12-Year Compressor Warranty
These warranty terms are valid when the unit is installed by a qualified technician and registered online with the manufacturer. Please visit the official ACiQ website for warranty registration and detailed terms and conditions.
For technical support, service inquiries, or to locate a certified installer, please refer to the contact information provided on the ACiQ website or your purchase documentation.





