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FRIEDRICH DIGITAL CONTROL FEATURES CONTINUED
Instant Heat
Heat Pump Mode
Heat pump models will automatically run the electric heater to quickly bring the room up to temperature when
initially energized, then return to heat pump mode. This ensures that the room is brought up to temperature
quickly without the usual delay associated with heat pump units.
Even Heat Monitoring
The digital control monitors indoor conditions to ensure that the room temperature is within fi ve degrees of
the setpoint. If necessary the unit will cycle the electric heat to maintain the temperature. This feature en-
sures guest comfort by delivering the heating benefi ts of an electric heater while maintaining the effi ciency
benefi ts of a heat pump.
Fan Cycle Control
The owner may choose between fan cycling or fan continuous mode based on property preference. (Note:
Even heat monitoring and quiet start/stop fan delay only operate in fan cycle mode) Fan continuous mode is
used to keep constant airfl ow circulation in the room during all times the unit is ‘ON’. Fan cycle will conserve
energy by only operating the fan while the compressor or electric heater is operating.
Emergency Heat
Override
In the event of a compressor failure in heat pump mode the compressor may be locked out to provide heat
through the resistance heater. This feature ensures that even in the unlikely event of a compressor failure the
room temperature can be maintained until the compressor can be serviced.
Desk Control Ready
All Friedrich digital PTACs have low voltage terminals ready to connect a desk control energy management
system. Controlling the unit from a remote location like the front desk can reduce energy usage and requires
no additional accessories at the PTAC.
Indoor Coil Frost
Sensor
The frost sensor protects the compressor from damage in the event that airfl ow is reduced or low outdoor
temperatures cause the indoor coil to freeze. When the indoor coil reaches 30°F the compressor is diabled
and the fan continues to operate based on demand. Once the coil temperature returns to 45°F the compres-
sor returns to operation.
Ultra-Quiet Air System
The new Friedrich PD series units feature a indoor fan system design that reduces sound levels without
lowering airfl ow and preventing proper air circulation.
High Effi ciency
The Friedrich PTAC benefi ts quality components and extensive development to ensure a quiet, effi cient and
dependable unit.
Single Motor
Friedrich’s single-motor design allows for enhanced outdoor airfl ow and simplifi es the unit design without the
need for redundant components.
Rotary Compressor
High effi ciency rotary compressors are used on all Friedrich PTACs to maximize durability and effi ciency.
Auxiliary Fan Ready
The Friedrich PTAC features a 24V AC terminal for connection to an auxiliary fan that may be used to transfer
air to adjoining rooms. Auxiliary fans can provide conditioning to multiple rooms without the requirement of
multiple PTAC units.
Aluminum Endplates
All Friedrich PTACs are built with .04" endplates made from aluminum as opposed to steel. The endplates
are typically the most susceptible area for corrosion and aluminum is far more resistant to corrosion than
even coated steel.
Seacoast Protection
Optional Seacoast protection is available to protect the outdoor coil from harsh environments. The Friedrich
Seacoast process includes dipping the entire outdoor coil in a 7-step coating process that provides superior
protection to only coating the fi ns of the coil.
Top Mounted Anti-
microbial Air Filters
All Friedrich PTAC return air fi lters feature an anti-microbial element that has proven to prevent mold and
bacterial growth in laboratory testing. PDXFT replacement fi lter kits feature the same anti-microbial agent.
All fi lters are washable and reusable and are easily accessed from the top of the unit without the removal of
the front cover.
Filtered Fresh Air
Intake
Friedrich PTAC units are capable of introducing up to 70 CFM of outside air into the conditioned space. The
outdoor air passes through a washable mesh fi lter to prevent debris from entering the airstream.
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