Friedrich 920-087-04 User Manual
INSTALLATION &
OPERATION GUIDE
920-087-04 (3-05)
PTAC
PACKAGED TERMINAL
AIR CON DI TION ERS
& HEAT PUMPS
Standard Control
Remote Thermostat
Seacoast Protected
920-087-04 (3-05)
Table of Contents
Unit Components ...............................................................................................................................................................................................2
Model Number Code ..........................................................................................................................................................................................3
Installation Recommendations .......................................................................................................................................................................... 4
Friedrich Digital Control Features ................................................................................................................................................................. 5-6
Drain Kit Installation ........................................................................................................................................................................................7-8
Wall Sleeve Installation .................................................................................................................................................................................9-10
Deep Wall Installation ...................................................................................................................................................................................... 11
Standard Grille Installation .............................................................................................................................................................................. 12
Electrical Rating Tables ................................................................................................................................................................................... 13
Power Cord Information ................................................................................................................................................................................... 13
Installation Checklist ........................................................................................................................................................................................14
Chassis Installation .....................................................................................................................................................................................14-15
Digital Control User Input Confi guration .........................................................................................................................................................16
Operation .......................................................................................................................................................................................................... 17
Remote Thermostat and Low Voltage Control Connections .........................................................................................................................18
Desk Control Terminals ................................................................................................................................................................................... 19
Auxiliary Fan Control ........................................................................................................................................................................................ 19
Fresh Air Vent Control ...................................................................................................................................................................................... 19
Air Discharge Grille ..........................................................................................................................................................................................19
Start-up Checklist .............................................................................................................................................................................................20
Appendix A: Electrical Wiring for 265 V Models ............................................................................................................................................21
Routine Maintenance ....................................................................................................................................................................................... 22
Basic Troubleshooting Techniques .................................................................................................................................................................23
Digital Control Diagnostics and Test Mode ....................................................................................................................................................24
Accesso ries ................................................................................................................................................................................................ 25-26
Warranty ........................................................................................................................................................................................................... 27
Typical Unit Components
Outdoor grille
Wall sleeve
Chassis
Front cover
2
920-087-04 (3-05)
Thank you for your decision to purchase the newly designed Friedrich Packaged Terminal Air Conditioner (PTAC). We are
confi dent that you will fi nd this unit a quiet and effi cient example of Friedrich reliability.
This Installation and Operation Manual has been designed to insure maximum satisfaction in the performance of your unit.
For years of trouble-free service, please follow the installation instructions closely. We cannot overemphasize the importance
of proper installation. We have added new information to the basic instructions to help you achieve success.
Remember, proper installation is not diffi cult but it is essential.
Model Number Code
PD H 07 K 3 S A 1
Engineering Digit
Series
PD = Friedrich Digital PTAC
System
X = Accessory
E = Cooling with or without
electric heat
H = Heat Pump with Auxiliary Heat
Nominal Cooling Capacity
07 = 7,000 Btuh
09 = 9,000 Btuh
12 = 12,000 Btuh
15 = 15,0 00 Btuh
Nominal Heater Size
(@ 230V or 265V)
0 = No Heater
2 = 2.5 KW
* 5.0 kw only available on 12000 and 15000
Btu/h models
Voltage
K = 230/208V - 1 Ph. - 60 Hz.
R = 265V - 1 Ph. - 60 Hz.
Design Series
Options
S = Standard
C = Seacoast Protection
3 = 3.4 KW
5 = 5.0 KW*
Please read this manual thoroughly prior to equipment installation or operation. It is the installer’s responsibility
to properly apply and install the equipment. Installation must be in conformance with the NFPA 70-2002 National
Electric Code or current edition and Uniform Mechanical Code current edition and applicable local or national codes.
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920-087-04 (3-05)
PTAC Installation Recommendations
For proper PTAC unit performance and maximum operating life please refer to the minimum installation clearances below:
Figure 1
PTAC units should be installed
no closer than 12" apart when
two units are side by side. If
three of more PTAC units are to
operate next to one another allow
a minimum of 36" between units.
Also, a vertical clearance of 60"
should be maintained between
units installed.
VIEW: OUTSIDE
BUILDING ELEVATION
60" VERTICAL MIMUMUM
BETWEEN PTACs
TYP.
WINDOW
60"
THREE OR MORE PTACs
ADJACENT 36" MINIMUM
36"
TWO ADJACENT
PTACs 12" MINIMUM
GROUND FLOOR PTACs
6" MINIMUM FROM GRADE
12" 6"
Figure 2
For PTACs on the ground fl oor or anytime obstructions are present, use the following guidelines:
• For minor obstructions
such as lamp poles
or small shrubbery a
clearance of 12" from the
outdoor louver should be
maintained.
• For major obstructions
such as a solid fence, wall
or other heat rejecting
device like a condensing
unit, a minimum distance
of 36" should be kept.
PTAC PTAC
12" MINIMUM, MINOR
OBSTRUCTIONS
36" MIMUMUM, MAJOR
OBSTRUCTIONS
TYP. BUILDING ( PLAN VIEW )
PTAC
12"
POLE
CONDENSING UNIT
36"
FENCE OR WALL
SHRUB
36"36"
The above suggestions are for reference only and do not represent all possible installations. Please contact the factory for
information regarding affects of other installation arrangements. By following these simple recommendations you can be
confi dent that your Friedrich PTAC will provide years of worry free operation.
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920-087-04 (3-05)
Friedrich Digital Control Features
The new Friedrich digital PTAC has state of the art features to improve guest comfort, indoor air quality and conserve energy.
Through the use of specifi cally designed control software for the PTAC industry Friedrich has accomplished what other Manufacturer’s have only attempted – a quiet, dependable, affordable and easy to use PTAC.
Below is a list of standard features on every Friedrich PTAC and their benefi t to the owner.
Digital Temperature
Readout
One-Touch Operation
Individual Mode and
Fan Control Buttons
Quiet Start/Stop
Fan Delay
Remote Thermostat
Operation
Wireless Remote
Control Ready
Internal Diagnostic
Program
Service Error Code
Storage
By digitally monitoring desired room temperature the room is controlled more precisely than conventional systems. The large, easy
to read LED display can show either set-point or actual room temperature as selected by owner.
When the unit is powered off the unit can be returned directly to heating or cooling mode by pressing the ‘Heat’ or ‘Cool’ buttons
without the confusing power up sequence of some controls. One-touch control takes guesswork out of unit control delivering a more
enjoyable experience and eliminating front-desk calls.
By having separate control buttons and indicators for both fan and mode settings the Friedrich digital control eliminates the confusion of previous digital PTACs. The accurate temperature setting provides greater guest comfort than other systems.
The fan start and stop delays prevent abrupt changes in room acoustics due to the compressor energizing or stopping immediately.
Upon call for cooling or heating the unit fan will run for fi ve seconds prior to energizing the compressor. Also, the fan off delay allows
for “free cooling” by utilizing the already cool indoor coil to its maximum capacity by running for 30 seconds after the compressor.
Some applications require the use of a wall mounted thermostat. All new Friedrich PTACs may be switched from unit control to
remote thermostat control easily without the need to order a special model or accessory kit.
Guests can adjust the temperature and mode of the unit through the use of an optional hand held wireless remote, improving guest
comfort and relaxation.
The new Friedrich digital PTAC features a self diagnostic program that can alert maintenance to component failures or operating
problems. The internal diagnostic program saves properties valuable time when diagnosing running problems.
The self diagnosis program will also store error codes in memory if certain conditions occur and correct themselves such as extreme high or low operating conditions or activation of the room freeze protection feature. Storing error codes can help properties
determine if the unit faced obscure conditions or if an error occurred and corrected itself.
Constant Comfort
Room Monitoring
Electronic Temperature
Limiting
Room Freeze
Protection
Random Compressor
Restart
Digital Defrost
Thermostat
The on-board processor monitors time between demand cycles (heat or cool) and will cycle the fan every 9 minutes to sample the
room condition and determine if the desired conditions are met. This allows the room to have similar benefi ts to a remote mounted
stat without the complication or cost of a wall mounted thermostat.
By limiting the operating range the property can save energy by eliminating “max cool” or “max heat” situations common with older
uncontrolled systems. The new electronic control allows owners to set operating ranges for both heating and cooling independently
of one another.
When the PTAC senses that the indoor room temperature has fallen to 40°F the unit will cycle on high fan and the electric strip heat
to raise the room temperature to 46°F then cycle off again. This feature works regardless of the mode selected and can be turned
off. The control will also store the Room Freeze cycle in the service code memory for retrieval at a later date. This feature ensures
that unoccupied rooms do not reach freezing levels where damage can occur to plumbing and fi xtures.
Multiple compressors starting at once can often cause electrical overloads and premature unit failure. The random restart delay
eliminates multiple units from starting at once following a power outage or initial power up. The compressor delay will range from
180 to 240 seconds.
The new Friedrich PTAC uses a digital thermostat to accurately monitor the outdoor coil conditions to allow the heat pump to run
whenever conditions are correct. Running the PTAC in heat pump mode save energy and reduces operating costs. The digital
thermostat allows maximization of heat pump run time.
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920-087-04 (3-05)
Friedrich Digital Control Features Continued
Instant Heat
Heat Pump Mode
Even Heat Monitoring
Fan Cycle Control
Emergency Heat Override
Desk Control Ready
Indoor Coil Frost Sensor
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.
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 ensures guest comfort by delivering the heating
benefi ts of an electric heater while maintaining the effi ciency benefi ts of a heat pump.
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.
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.
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.
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 compressor returns to operation.
Ultra-Quiet Air System
High Effi ciency
Single Motor
Rotary Compressor
Auxiliary Fan Ready
Aluminum Endplates
Seacoast Protection
Top Mounted Antimicrobial Air Filters
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.
The Friedrich PTAC benefi ts quality components and extensive development to ensure a quiet, effi cient and dependable unit.
Friedrich’s single-motor design allows for enhanced outdoor airfl ow and simplifi es the unit design without the need for redundant components.
High effi ciency rotary compressors are used on all Friedrich PTACs to maximize durability and effi ciency.
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.
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.
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.
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
6
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.
920-087-04 (3-05)
Installation Instructions PXDR10 Drain Kit
NOTE: Determine whether drain will be located within the wall, on the indoor side, or will drain to the exterior of the build ing. Follow
appropriate instructions below depending on your particular type of installation.
Internal Drain (optional for new construction)
NOTE: If installing an internal drain, you MUST install a drain kit
on the wall sleeve before the wall sleeve is installed.
1. Refer to Figure 3 below and locate the drain within the
"Primary" area for best drainage. Maintain at least a 1/2"
clear ance from the embossed area.
2. Using the mounting plate with the 1/2" hole as a tem plate,
mark and drill two, 3/16" mounting holes and a 1/2" drain
hole.
3. Remove the backing from the gasket and mount it on the
fl at side of the mounting plate. (See Figure 4.) Insert the
drain tube through the hole in the gasket and mounting
plate so the tube fl ange will be against the wall sleeve.
4. Position the assembly beneath the drilled holes and
secure it with #10-24 x 1/2" machine screws and lock
nuts pro vid ed. Seal the tops of the screws with silicone
caulking.
Figure 3
Drain Kit Location and Installation
Secondary area
Primary area - no foam insulation
If the drain must be located in the
secondary area, the foam insulation
must be cut away and removed to
allow access to the drain.
Screw
Wall sleeve
3"
7.6 cm
5. Use 1/2" I.D. copper tube, PVC pipe, or vinyl hose (ob tained
locally) to connect the internal drain tube to the drain system
in the building.
6. Referring to Detail A on page 6, locate and assemble the
(2) two cover plates and gaskets over the drain holes at
the rear of the wall sleeve. Attach them with the #10 sheet
metal screws provided. Make certain that the four overfl ow
slots at the rear of the wall sleeve are not blocked (See
drawing of the back of the sleeve on page 6).
7. If a deep wall extension (PXWE) is used, after in stall ing
the fi eld supplied fl ashing, caulk as re quired. Be sure to
caulk around the fl ashing and the wall sleeve where the
hole was drilled for the drain tube.
Gasket
Mounting plate
Nut
Drain tube
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920-087-04 (3-05)
External Drain (for new construction or unit re place ment)
When using an external drain system, the condensate is removed through either of two drain holes on the back of the wall sleeve.
Select the drain hole which best meets your drainage situation and install the drain kit. Seal off the other with a cover plate.
Drain Tube Installation
1. Peel the backing tape off the gaskets and apply the
sticky side to one cover plate and one mounting plate
as shown in De tails A and B.
2. Place the drain tube through the gasket and the mounting
plate with the fl ange toward the wall sleeve.
3. Attach the drain tube assembly to one of the two drain
holes at the rear of the wall sleeve. The large fl ange
on the mounting plate is po si tioned at the bottom of the
sleeve facing toward the sleeve, De tail B. When the
drain tube is po si tioned at the desired an gle, tighten the
screws.
NOTE: If the wall sleeve has not been installed, the drain tube
must be rotated to a horizontal position until after the
sleeve is in stalled. Tighten the mounting plate screws
when the tube is in the proper position. Make certain
that the four overfl ow slots at the rear of the wall sleeve
are not blocked. (See the drawing below.)
Figure 4
Cover Plate Installation
4. Mount the foam gasket to the cover plate. Using two
#10 x 1/2" sheet metal screws (provided), at tach the
cover plate to the re main ing drain hole. Make cer tain
the large fl ange on the plate is positioned at the bottom
of the sleeve.
5. Discard the additional cover plate, gasket, machine
screws, and locknuts.
PXDR1O
QUAN TI TY
2
1
1
3
4
2
2
COVER PLATES
MOUNTING PLATE
DRAIN TUBE
MOUNTING PLATE GASKETS
#10 X 1/2" MOUNT ING SCREWS
10-24 X 1/2" MACH. SCREWS
LOCK NUTS
DESCRIPTION
Drain Kit Installation
Foam gasket
Mounting plate
DETAIL A
Foam gasket
Mounting plate
1
/2" O.D. tube
#10 sheet metal screws
DETAIL B
NOTES:
The large fl ange on the mounting plate is positioned at the bottom of the sleeve facing toward the sleeve. The drain tube must be rotated to a horizontal
position to allow for the wall sleeve to be installed into the wall. Once the wall sleeve is installed, return the drain tube to a downward angle.
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920-087-04 (3-05)
Wall Sleeve Installation Instructions (PDXWS)
NOTE: Insure that the unit is only installed in a wall structurally adequate to support the unit including the sleeve, chassis and accessories.
If the sleeve projects more than 8" into the room, a sub base or other means of support MUST be used. Please read these instructions
com plete ly before attempting in stal la tion.
Figure 5
Typical Wall Sleeve In stal la tion
16¼ "
(41.3 cm)
50" (127 cm) min.
Insulation
Lintel to support masonry walls
(25.4 cm)
Electrical receptacle
Wall opening
10"
max.
42¼"
(107.3 cm) min.
Wall sleeve
13¾ "
(34.9 cm)
Note: All 230/208V units are manufactured with a 60" power cord. The receptacle
locations above must be followed to ensure proper connections.
For Deep Wall Installation See Section II
The following instructions apply ONLY to walls less than
13 1/4" in depth.
Electrical receptacle
Insulation
Smooth side of screw
clip facing into room
1. From inside the building, position the wall sleeve in the
opening and push it through the wall so it protrudes at least
1/4" on the outside, note Figure 5.
2. Position the wall sleeve with a slight tilt towards the outside
to facilitate condensate drainage. It should be level side-toside and the front should be 1/4 bubble higher than the back.
DO NOT al low any pitch to ward the inside.
Electrical shock hazard.
Turn electric power OFF at the fuse box or service pan el
be fore making any electrical connections and ensure a
prop er ground connection is made before connecting line
volt age. Failure to do so can result in property damage,
per son al injury and/or death.
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