Desk Control Terminals

The Friedrich PD model PTAC has built-in provisions for connection to an external switch to control power to the unit. The switch can be a central desk control system or even a normally open door switch.

For desk control operation connect one side of the switch to the D1 terminal and the other to the D2 terminal (See Figure 31, Page 23). Whenever the switch closes the unit operation will stop.

NOTE: The desk control system and switches must be field supplied.

Energy Management

Sometimes known as Front Desk Control, an input is provided so that the unit can be manually disabled from a remote location. If the unit detects 24Vac on this input, it will automatically turn itself off. If no voltage is detected on the input , the unit will run normally.

NOTE: It is the installer's responsibility to ensure that all control wiring connections are made in accordance with the installation instructions. Improper connection of the thermostat control wiring and/or tampering with the unit's internal wiring can void the equipment warranty. Other manufacturer's PTACs and even older Friedrich models may have different control wire connections. Questions concerning proper connections to the unit should be directed to Friedrich.

WARNING

Electrical Shock Hazard

Turn off electrical power before service or installation.

ALL electrical connections and wiring MUST be installed by a qualified electrician and conform to the National Code and all local codes which have jurisdiction.

Improper connection of the thermostat control wiring and/or tampering with the units internal wiring may result in property damage, personal injury or death.

920-087-09 (12/10) specifications

The Friedrich 920-087-09 (12/10) is a remarkable air conditioning unit that exemplifies innovation in climate control technology. Designed for both residential and commercial environments, this model stands out for its efficiency, reliability, and user-friendly features.

One of the key characteristics of the Friedrich 920-087-09 is its impressive cooling capacity. With a nominal cooling power of 12,000 BTU, it is ideal for medium to large spaces, effortlessly maintaining comfortable indoor temperatures even during the hottest months. The unit offers a seasonal energy efficiency ratio (SEER) that meets contemporary standards, ensuring that it operates efficiently while consuming less energy. This feature not only lowers electricity bills but also reduces the overall environmental impact.

The Friedrich 920-087-09 is equipped with advanced inverter technology, allowing it to adjust its cooling power according to the temperature needs of the room. This results in quieter operation and enhanced energy savings as the unit avoids the frequent on-off cycles typical of conventional systems. Furthermore, the unit boasts a variable-speed compressor that guarantees consistent performance and improved humidity control.

Another standout feature of the Friedrich 920-087-09 is its sophisticated air filtration system. It includes a washable filter that captures dust, pollen, and other airborne particles, promoting cleaner air quality. This is particularly beneficial for those with allergies or respiratory issues, creating a healthier living environment.

The unit also features a customizable digital thermostat that allows users to set precise temperature preferences. With its user-friendly interface, users can easily switch between different modes, including cooling, heating, and dehumidifying, adding to the flexibility of the system. Additionally, Friedrich's exclusive Quiet Master technology minimizes noise levels, making it suitable for bedrooms, offices, and other quiet areas.

The Friedrich 920-087-09 also comes with a range of connectivity options, including Wi-Fi integration. This functionality allows users to control the air conditioning unit remotely through a smartphone app, making it exceptionally convenient for those with busy lifestyles.

Overall, the Friedrich 920-087-09 (12/10) combines cutting-edge technology, energy efficiency, and a host of user-friendly features, making it a top choice for anyone looking to enhance their indoor comfort. Its design is not only functional but also aesthetically pleasing, allowing it to blend seamlessly with a variety of interiors.