Friedrich HEAT PUMPS, Installation And Operation Manual

Page 1: ...920 087 04 10 06 PTAC PACKAGED TERMINAL AIR CONDITIONERS HEAT PUMPS Standard Control Remote Thermostat Seacoast Protected INSTALLATION OPERATION GUIDE ...

Page 2: ...nstallation 14 15 Digital Control User Input Configuration 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 ...

Page 3: ...r 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 Model Number Code PD H 07 K 3 S B 1 Engineering Digit Design Series Options S Standard C Seacoa...

Page 4: ...TAC units should be installed no closer than 12 apart when two units are side by side If three or 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 Figure1 BETWEEN PTACs THREE OR MORE PTACs BUILDING ELEVATION ADJACENT 36 MINIMUM 6 MINIMUM FROM GRADE GROUND FLOOR PTACs TWO ADJACENT PTAC...

Page 5: ...iedrich 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 ServiceErrorCode Storage The self diagnosis program will also store error codes in memory if certain conditions occur and correct themselves such as ex treme high or low operati...

Page 6: ... 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 QuietAirSystem The new Friedrich PD series units feature a indoor fan system design that reduces sound levels without lowering airflow and preventing proper air circulation HighEfficiency The Friedrich PTAC benefits quality components and extensive develo...

Page 7: ...nylhose obtained locally toconnecttheinternaldraintubetothedrainsystem 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 overflow slots at the rear of the wall sleeve are not blocked See drawing of the back of the ...

Page 8: ... plate with the flange 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 flange on the mounting plate is positioned at the bottom of the sleeve facing toward the sleeve Detail B When the drain tube is positioned at the desired angle tighten the screws NOTE If the wall sleeve has not been installed the drain tube must be r...

Page 9: ...ds the outside to facilitate condensate drainage It should be level side to side and the front should be 1 4 bubble higher than the back DO NOT allow any pitch toward the inside Electrical shock hazard Turn electric power OFF at the fuse box or service panel before making any electrical connections and ensure a proper ground connection is made before connecting line voltage Failure to do so can re...

Page 10: ...truct wall opening to comply with all applicable building codes Main studs Jack studs Main studs Jack studs Lintel Mounting screw holes No holes in bottom of wall sleeve unless drain kit is used 5 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 6 Provide a support lintel if the wall sleeve is insta...

Page 11: ...Improper fabrication or installation of a wall sleeve extension will impair PTAC performance Extension Installation Secure the wall sleeve extension to the wall sleeve before installing it in the wall Refer to Figure 8 for a guide for fabrication ofacondensatedrippanel ThepanelMUSTextendthefulldepth of the wall sleeve and the wall sleeve extension Pay particular care in sealing and caulking the pa...

Page 12: ...ched to the grille and an anchor point inside the building during installation Installation Instructions Model PXGA Standard Grille 5 Grasp the grille by the attached plastic handles Position it with the condensate drain knockouts facing down From inside the building maneuver the grille through the wall sleeve and pull toward you until the screw heads are inserted into the keyhole slots at the top...

Page 13: ...I device meets the UL and NEC requirements for cord connected air conditioners effective August 2004 To test your power supply cord 1 Plug power supply cord into a grounded 3 prong outlet 2 Press RESET 3 Press TEST listen for click Reset button trips and pops out 4 Press and release RESET listen for click Reset button latches and remains in The power supply cord is ready for operation ELECTRICSHOC...

Page 14: ...r Chassis shipping bracket Shipping pallet IMPORTANT When installing a Friedrich P Series 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 the indoor mounting flange is recommended In some cases additional gaskets or baffling may be required Wall sleeve Weatherboard Center support 1 ...

Page 15: ...the screws into the clips adjacent to the alignment dimples on the mounting brackets on the wall sleeve flange two per side 6 Install the front cover assembly including the discharge grille by placing the top of the cover onto the 90 angle bracket along the top of the chassis Rotate the bottom into place and insert the included thumb screws into the slots located at the bottom back corners of the ...

Page 16: ...de the Even Temp Load Anticipation feature is enabled Quiet Fan Delay is also enabled in fan cycle mode to lessen the acoustical change between compressor start up and shut off by running the fan for 5 seconds before each demand cycle and 30 seconds after cooling or 15 seconds after heating cycles 3 Room Freeze Protection Switch 6 Unitsareshippedfromthefactorywiththeroomfreezeprotection disabled R...

Page 17: ... a heat pump to maintain the room temperature while running more efficiently than resistance heat only models If the room temperature should fall more than 5 F from the set temperature the unit will run the resistance heater The fan operation is dependent on the fan mode selected either continuous or cycling Dip switch 5 controls the fan mode see page 16 for setting Whentheoutdoorcoiltemperaturefa...

Page 18: ...theSmartCentercontroloftheunitreplace the jumper wire between the GL and GH terminals that was removed in step 1 ThermostatConnections C Common Ground W Call for Heating Y Call for Cooling R 24V Power from Unit GL Call for Low Fan GH Call for High Fan B Reversing Valve Energized in heating mode PDH Models Only If only one G terminal is present on thermostat connect to GL for low fan or to GH for h...

Page 19: ...and or tampering with the unit s internal wiring can void the equipmentwarrantyandmayresultinpropertydamage personal injury or death 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 the factory Wire Size Maximum Length 24 400 ft 22 600 ft 20 900 ft 18 1500 ft 16 2000 ft D...

Page 20: ...ecure components and accessories such as the control door and front cover Check the unit air filter condenser coil and evaporator coil for any obstructions Check for proper operation of all components Instruct the owner or operator of the units operation and the manufacturer s recommended routine maintenance schedule NOTE It is highly recommended that a maintenance schedule log book be prepared fo...

Page 21: ...oved for ease of maintenance and service to the chassis Line Voltage Connections Figure15 5 Make the appropriate electrical connections within the control box then secure the box on the chassis Detailed instructions are included with the installation instructions for the conduit kit PXCJ 6 Route the line voltage power conduit from the control box straight down the right front to the bottom side of...

Page 22: ... sleeve NOTE Do not use a caustic coil cleaning agent on coils or base pan Use a biodegradable cleaning agent and degreaser NOTE Units are to be inspected and serviced by qualified service personnel only Discharge Air Grille Filters Return Air Grille Front Cover Evaporator Coil Indoor Blower Housing Gasket Condenser Shroud Condenser Fan Blade Indoor Blower Innerwall Basepan Outdoor Grille Wall Sle...

Page 23: ...ngineer for proper sizing Istheoutdoortemperature60 Forbelow The unit is designed for outdoor temperatures above 60 F Istheindoortemperature80 Forabove Ambient indoor temperatures of 80 F or above will take a longer period of run time to cool down the area Long run times may indicate that the unit is undersized Isindoorhumidityhigh This condition will cause the unit to operate longer to remove hum...

Page 24: ...lash set point and error code Automatically change over to Electric heat Mode only Leave unit running Defective sensor 06 If O D coil Temperature 175 Deg F for 2 consecutive minutes Heat Pump models only Alternate flash set point and error code Shut unit down for 5 minutes then try again 2 times if fails the 3rd time then shut down unit Dirty coil Fan motor failure Restricted air flow Non condensa...

Page 25: ...s to the outside of the wall sleeve when the wall is greater than 11 inches thick 9 when a subbase is used 10 inches when a lateral duct is used Up to three exten sions my be used together PXSB DECORATIVE SUBBASE Provides unit support for walls less than six inches thick Includes leveling legs side filler panels and mountingbracketsforelectricalaccessories Acceptscircuitbreaker power disconnect sw...

Page 26: ...the installer Maximum allowable straight extension is 15 feet PXCJ CONDUIT KIT WITH JUNCTION BOX Hard wire conduit kit with junction box for 208 230V and 265V units subbase not required Kit includes a means of quick disconnect for easy removal of the chassis Required for 265V installations PXPC 15 20 30 POWER CORD RETROFIT Replaces LCDI power cord on 230V models when unit is used with a subbase PX...

Page 27: ...onable proof must be presented to establish the original purchase date 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 Ins...

Page 28: ... Air Conditioning Co Post Office Box 1540 San Antonio Texas 78295 1540 4200 N Pan Am Expressway San Antonio Texas 78218 5212 210 357 4400 FAX 210 357 4480 www friedrich com Printed in the U S A 920 087 04 10 06 ...