Friedrich 920-087-09 (12/10) Installation And Operation Manual Download | Manualshive

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PTAC

920-087-09 (12/10)

Packaged Terminal Air

Conditioners & Heat Pumps

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Summary of Contents for 920-087-09 (12/10)

Page 1: ...Installation and Operation Manual PTAC 920 087 09 12 10 Packaged Terminal Air Conditioners Heat Pumps ...

Page 2: ...paration 16 Chassis Installation 18 How To Connect 19 Friedrich PTAC Digital Control and Unit Features 20 System Configuration 22 Digital Control User Input Configuration 23 Digital Control Operation 24 Remote Control Thermostat Installation 25 Remote Thermostat and Low Voltage Control Connections 25 Final Inspection Start up Checklist 27 Routine Maintenance 27 Basic Troubleshooting 28 Service Ass...

Page 3: ...echanic Code 2009 or current edition and any other applicable local or national codes Failure to do so can result in property damage personal injury or death WARNING Refrigeration system under high pressure Do not puncture heat expose to flame or incinerate Only certified refrigeration technicians should service this equipment Only use gauge sets designed for use with R410A Do not use standard R22...

Page 4: ...discharge air grilles q Inspect the condenser air inlet and outlet for any obstructions shrubbery etc q Ensure that reset button is pressed on LCD device only on cord connected models MODEL NUMBER 07 7 000 Btuh 09 9 000 Btuh Nominal Capacity 12 12 000 Btuh 15 15 000 Btuh Series PD Friedrich Digital PTAC System X Accessory E Cooling with or without electric heat H Heat Pump with Auxiliary Heat Volt...

Page 5: ...AC unit performance and maximum operating life refer to the minimum installation clearances below For PTACs on the ground floor or anytime obstructions are present use the following guidelines The above suggestions are for reference only and do not represent all possible installations Please contact Friedrich for information regarding affects of other installation arrangements By following these s...

Page 6: ...g position the wall sleeve in the opening and push it into the wall until it protrudes at least on the outside Do not allow sleeve to be pulled See Figure 11 Page 10 4 Position the wall sleeve with a slight tilt towards the outside to facilitate condensate drainage It should be level side to side and the front should be bubble higher than the back Figure 3 Typical Wall Sleeve Installation NOTICE D...

Page 7: ... the installer s responsibility to ensure there is adequate drainage for the PTAC unit Alternate Wall Installations FRP003 OPTIONAL SUBBASE LEVELING SCREW Figure 4 Panel Wall FRP004 CASE FLANGE BY OTHERS WALL OR WINDOW 1 4 MIN PROJECTION OPTIONAL SUBBASE LEVELING SCREW Figure 6 Curtain Wall FRP005 1 4 MIN PROJECTION OPTIONAL SUBBASE LEVELING SCREW WOOD FRAME STEEL LINTEL 11 MIN WITH SUBBASE FRP006...

Page 8: ...CREW ALTERNATE FASTENING METHODS Field Supplied TOGGLE BOLT EXPANSION ANCHOR BOLT SCREWS WALL SLEEVE Figure 8 Wall Sleeve Attachment FRP009 13 A C B Dimension A B Allow for floor finishing Allow for wall finishing Minimum Min Max No Accessories MIN WALL With Subbase 1 3 5 With Lateral Duct C Allow for proper drainage Front to Back If more than one accessory is to be used use the maximum dimension ...

Page 9: ...l sleeve where it projects through the inside and outside wall surfaces Apply the sealant to the screw heads or the tops of the fasteners used in Step 5 7 If the chassis and exterior grille are to be installed later leave the weatherboard and center support in place otherwise remove and dispose of them See Figure 13 Page 12 8 Provide a support lintel if the wall sleeve is installed in a concrete o...

Page 10: ...e 12 Detail A Page 11 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 overflow slots at the rear of the wall sleeve are not blocked See drawing of the back of the sleeve Figure 12 Page 11 7 If a deep wall extension PDXWSEXT is used after installing the field sup...

Page 11: ...ion 4 Mount the foam gasket to the cover plate Using two 10 x sheet metal screws provided attach the cover plate to the remaining drain hole Make certain the large flange on the plate is positioned at the bottom of the sleeve 5 Discard the additional cover plate gasket machine screws and locknuts NOTE The large flange on the mounting plate is positioned at the bottom of the sleeve facing toward th...

Page 12: ...ing maneuver the grille through the wall sleeve and pull toward you until the screw heads are inserted into the keyhole slots at the top of the wall sleeve Tighten the two screws completely 5 Insert the remaining screws into the remaining holes and tighten securely Figure 13 Standard Grille WARNING Falling Object Hazard Not following Installation Instructions for mounting your air conditioner can ...

Page 13: ... NOT alter the service cord or plug Do NOT use an extension cord RECEPTACLE The field supplied outlet must match plug on service cord and be within reach of service cord Refer to Table 1 for proper receptacle and fuse type Do NOT alter the service cord or plug Do NOT use an extension cord All Friedrich 230 208V PTAC units are shipped from the factory with a Leakage Current Detection Interrupter LC...

Page 14: ...lt Models NOTE It is recommended that the PXSB subbase assembly the PXCJA conduit kit or equivalent be installed on all hardwire units If installing a flush floor mounted unit make sure the chassis can be removed from the sleeve for service and maintenance WARNING Electrical Shock Hazard Turn off electrical power before service or installation ALL electrical connections and wiring MUST be installe...

Page 15: ...t Place and mount the wall junction box with the four wall mounting screws making sure to pass the wall lines through the junction box Connect and join all wall lines with the stripped ends using wire nuts Tighten both screws of the wall junction box cover to junction box 6 Follow steps 4 6 on page 19 and refer to Figure 27 Figure 15 Figure 16 Figure 17 FRP032 4 0 IN 18 0 IN TRIM HARNESS TO LENGTH...

Page 16: ...cover b Slide the left door pin into the hole on the left side of the front cover opening c Snap cover into place NOTE Toavoidbreaking thedoororhinge pins donotapplyexcessive force when installing IMPORTANT When installing a Friedrich PTAC into an existing sleeve it is important to ensure that the unit is installed completely Inspection of the air seal between the condenser air baffles and around ...

Page 17: ... damage to vent door cable 3 Carefully remove shipping tape from the front panel and vent door See Figure 20 4 Remove shipping screw from the vent door if present See Fig 21 5 Remove front panel See Figure 22 Pull out at the bottom to release it from the tabs 1 Then lift up 2 NOTE If the unit is mounted flush to the floor the service cord MUST be rerouted at the bottom of the front cover on the si...

Page 18: ...Figure 24 Figure 23 Securing Unit FRP023 POWER SUPPLY CORD High Med Low Fan Cool Heat Fan Speed Mode Temper ature Power Figure 24 Replacing Front Panel CAUTION Excessive Weight Hazard Use two or more people when installing your air conditioner Failure to do so can result in back or other injury NOTICE Copper refrigerant tubes are NOT handles Do NOT use tubing to lift or move chassis Chassis Instal...

Page 19: ...ect power to unit before servicing by 1 Removing power cord if it has one from wall receptacle 2 Removing branch circuit fuses or turning circuit breakers off at panel FRP017 UNIT CONNECTOR JUNCTION BOX JUNCTION BOX COVER High Med Low Fan Cool Heat Fan Speed Mode Temperature Power Figure 25 Junction Box Location Figure 26 Power Connection FRP018 ACCESSORY POWER SUPPLY CORD OR HARD WIRE High Med Lo...

Page 20: ...n Requires the use of Friedrich remote thermostat RT6 or equivalent thermostat with two speed fan output Remote Thermostat Operation 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 Internal Diagnostic Program The Friedrich digital P...

Page 21: ...nnect 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 on the PTAC unit Indoor Coil Frost Sensor The frost sensor protects the compressor from damage in the event that airflow is reduced or low outdoor temperatures cause the indoor coil to freeze When the indoor coil reaches 30 F t...

Page 22: ...o OPEN some outdoor air will be drawn into room This may reduce heating or cooling efficiency Adjusting Air To adjust air direction 1 Remove front panel See Figure 22 2 Remove louver screws that hold louver insert in place from back side of front panel See Figure 29 3 Turn louver insert and rotate 180 See Figure 30 4 Replace louver insert 5 Replace screws and front panel FRP025 VENT CONTROL Pull l...

Page 23: ...rmostat enable Electric heat only for Heat Pumps UP DOWN High Med Low Fan Cool Heat Fan Speed Mode Temp eratur e Powe r Figure 31 Dip Switches 1 Emergency Heat Override Switch 1 In the unlikely event of a compressor failure a heat pump unit may be switched to operate in only the electric heat mode until repairs can be made Moving Dip Switch 1 to ON 2 Wall Thermostat Switch 2 In order to enable the...

Page 24: ...lls below 30 F for more than 2 min utes the unit will operate the resistance heaters and not the compressor When the outdoor coil temperature reaches 45 F the compressor will be allowed to operate again Heat Cool Models PDE After pressing the Heat button adjust the temperature readout to the desired room temperature and the unit will cycle the resistance heat on and off to maintain a comfortable r...

Page 25: ... cool dual stage heat thermostat with an O reversing valve control The Friedrich RT6 thermostat can be configured for either model FRP029 FRP029 Figure 33 Control board with optional PDXRT escutcheon kit installed To control the unit with a wall mounted thermostat follow the steps below 1 Unplug the unit before doing any work 2 With the front cover removed locate the dip switches located below the...

Page 26: ...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 dif...

Page 27: ...charge air grille may be cleaned with a mild soap or detergent Do NOT use solvents or hydrocarbon based cleaners such as acetone naphtha gasoline benzene etc to clean the decorative front or air discharge grilles Use a damp not wet cloth when cleaning the control area to prevent water from entering the unit and possibly damaging the electronic control Fan Motor Compressor The fan motor compressor ...

Page 28: ...hing can trip Reset button POPS out the LCDI power cord Once the problem has been determined and corrected press and release RESET listen for click Reset button latches and remains in to resume normal operation Unit does not cool heat room sufficiently or cycles on and off too frequently The return discharge air grille is blocked Ensure that the return and or discharge air paths are not blocked by...

Page 29: ... notice that the discharge air temperature of your new air conditioner may not seem as cold as you may be ac customed to from older units This does not however indicate a reduction in the cooling capacity of the unit The energy efficiency ratio EER and cooling rating Btu h listed on the unit s rating plate are both agency certified Service Assistance Before calling for service please check the Bas...

Page 30: ...r disconnect switch or conduit kit RT6 DIGITAL REMOTE WALL THERMOSTAT Single stage cool single stage heat for PDE models or single stage cool dual stage heat for PDH model thermostat features high low fan speed switch Thermostat is hard wired and can be battery powered or unit powered Features backlit display and multiple configuration modes For use on PD series Friedrich PTACs and Vert I Paks PDX...

Page 31: ...subbase not required Kit includes a means of quick disconnect for easy removal of the chassis Required for 265V installations PXFTA REPLACEMENT FILTER PACK These are original equipment return air filters They are reusable and can be cleaned by vacuuming washing or blowing out and are sold in convenient ten packs Two filters per chassis ...

Page 32: ... establish the date of install otherwise the beginning date of this certificate will be considered to be our shipment date plus sixty days Replacement parts can be new or remanufactured Replacement parts and labor are only warranted for any unused portion of the unit s warranty We will not be responsible for and the user will pay for 1 Service calls to A Instruct on unit operation B Replace house ...

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Page 36: ...Friedrich Air Conditioning Co 10001 Reunion Place Suite 500 San Antonio Texas 78216 800 541 6645 www friedrich com ...

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