1. Introduction
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your Friedrich Packaged Terminal Air Conditioner (PTAC), Model PDE07K3SG. Please read this manual thoroughly before operating the unit to ensure safe and efficient use.
2. Important Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons. This unit operates on 230/208V and requires a dedicated 20A power supply with a NEMA 6-20P plug configuration. Ensure proper grounding and professional installation where required.
- Do not operate the unit with a damaged power cord or plug.
- Do not insert fingers or foreign objects into air discharge areas.
- Ensure the unit is properly installed in a wall sleeve before operation.
- Disconnect power before performing any maintenance or cleaning.
- Refer all servicing to qualified service personnel.
3. Product Overview
The Friedrich PDE07K3SG is a Packaged Terminal Air Conditioner designed for efficient cooling and heating. It features a cooling capacity of 7200/7000 BtuH and a heating capacity of 11,700/9600 BtuH, operating on 230/208V. The unit utilizes R-410A refrigerant.

Figure 1: Friedrich PTAC Air Conditioner (Model PDE07K3SG) with front panel and internal chassis visible. This image illustrates the overall design of the unit.
Components Included:
- Chassis
- Front Panel
- Installation Instructions (refer to this manual)
Note: A wall sleeve is required for installation and is not included with the unit.
4. Setup and Installation
Proper installation is crucial for the performance and longevity of your PTAC unit. It is recommended that installation be performed by a qualified technician.
4.1 Pre-Installation Requirements
- Wall Sleeve: A compatible wall sleeve must be securely installed in the wall opening.
- Electrical Supply: Ensure a dedicated 230/208V, 20A electrical circuit is available with a NEMA 6-20P receptacle. The power cord length is 5 ft.
- Clearance: Maintain adequate clearance around the unit for proper airflow and maintenance.
4.2 Installation Steps (Summary)
- Carefully unpack the chassis and front panel.
- Slide the chassis into the pre-installed wall sleeve, ensuring it is level and secure.
- Connect the power cord to the dedicated electrical outlet.
- Attach the front panel to the chassis according to the detailed instructions provided with the unit.
- Verify all connections are secure and the unit is properly seated.
For detailed installation diagrams and safety warnings, refer to the separate installation instructions included with your unit or consult a professional installer.
5. Operating Instructions
Your Friedrich PTAC unit offers various modes for optimal comfort. Familiarize yourself with the control panel (located on the front panel) to utilize all features.
5.1 Basic Operation
- Power On/Off: Press the power button to turn the unit on or off.
- Mode Selection: Use the mode button to cycle through available modes: Cool, Heat, Fan Only.
- Temperature Adjustment: Use the Up/Down arrows to set your desired temperature.
- Fan Speed: Adjust fan speed (Low, Medium, High, Auto) for desired airflow and noise level.
5.2 Cooling Mode
Select "Cool" mode for air conditioning. The unit will cool the room to your set temperature. The cooling capacity is 7200/7000 BtuH.
5.3 Heating Mode
Select "Heat" mode for heating. The unit will heat the room to your set temperature. The heating capacity is 11,700/9600 BtuH with a heating kW of 3.5.
5.4 Fan Only Mode
In "Fan Only" mode, the unit circulates air without cooling or heating, useful for ventilation.
6. Maintenance
Regular maintenance ensures efficient operation and extends the lifespan of your PTAC unit. Always disconnect power before performing any maintenance.
6.1 Air Filter Cleaning
The air filter should be cleaned monthly, or more frequently depending on usage and air quality.
- Turn off the unit and disconnect power.
- Remove the front panel to access the air filter.
- Carefully remove the air filter.
- Wash the filter with warm, soapy water. Rinse thoroughly.
- Allow the filter to dry completely before reinserting.
- Reattach the front panel and restore power.
6.2 Coil Cleaning
The evaporator and condenser coils should be inspected and cleaned annually by a qualified technician to maintain efficiency.
6.3 Exterior Cleaning
Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
7. Troubleshooting
Before contacting service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power, tripped circuit breaker, loose plug. | Check power cord connection, reset circuit breaker, ensure power outlet is functional. |
| Insufficient cooling/heating. | Dirty air filter, blocked airflow, incorrect mode/temperature setting, unit too small for room. | Clean air filter, ensure no obstructions, verify mode and temperature settings, consult a professional for sizing. |
| Unusual noise. | Loose parts, fan obstruction, unit not level. | Check for loose components, remove obstructions, ensure unit is level in the wall sleeve. If noise persists, contact service. |
| Water leakage. | Blocked condensate drain. | Inspect and clear the condensate drain. If problem persists, contact service. |
If the problem persists after attempting these solutions, please contact qualified service personnel.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | PDE07K3SG |
| Brand | Friedrich |
| Product Dimensions | 26 x 44 x 19 inches |
| Cooling Capacity | 7200/7000 BtuH |
| Heating Capacity | 11,700/9600 BtuH |
| Voltage | 230/208 Volts |
| EER (Energy Efficiency Ratio) | 13.0/13.0 |
| Heating kW | 3.5 |
| Frequency | 60 Hz |
| Phase | 1 Phase |
| Min. Circuit Amps | 19.0 |
| Power Supply | 20A |
| Power Cord Length | 5 ft. |
| NEMA Plug Configuration | 6-20P |
| Refrigerant Type | R-410A |
| Capacity | 0.6 Tons |
| Noise Level | 50 Decibels |
| Special Feature | Heating |
| Seasonal Energy Efficiency Ratio (SEER) | 13 |
9. Warranty Information
Friedrich products are manufactured to high-quality standards. For specific warranty terms and conditions applicable to your PDE07K3SG unit, please refer to the warranty card included with your purchase or visit the official Friedrich website. Keep your proof of purchase for warranty claims.
10. Customer Support
If you have questions, require technical assistance, or need to schedule service, please contact Friedrich customer support. Contact information can typically be found on the manufacturer's website or on the product packaging.
For further assistance, visit: www.friedrich.com





