Lennox International Inc. Magic-Pak PWC182 User's Manual
Contents
1. POP AL A44 04 A fms INSTALLATION INSTRUCTIONS Wall Sleeve Kit CA239 For Use With HW HWC EWC PWC Series Magic Pak Thru the Wall Unit information assi General Parts List The wail sleeve is designed to facilitate the installation of Magic Pak units by providing an accurate opening during Quantity Description building construction The use of a wall sleeve allows units to remain off site until building construction approaches Top Panel completion Bottom Panel The wall sleeve is comprised of four assemblies Right Side Panel top bottom and right and left sides which easily slip together on the job to form a rectangular box correctly Left Side sized to receive a Magic Pak unit Squaring Braces When in place and securely fastened the wall sleeve opening provides easy access to the finished wall perim Top Support Angle eter for caulk sealing Side Support Angles The weather seal caulking is easier to perform when the 8 x 3 8 Screws sleeve protrudes beyond the finished wall by 3 8 to 1 Installation Instructions Inspection of Shipment if any damage to the contents of this kit is found at the time of delivery proper notification should be made on the carrier s freight bill Damage claims should be filed with the carrier at once Claims of shortage should be filed with the manufacturer within 5 days Manufactured By A A C A Lennox international Compan2. RA TIT i mms eos tl ils da db Part No 30790F089 Date __6 1 89 Supersedes 307904442 __ page 2 of 12 FORWARD This is a self contained heat pump designed for Installation through an exterior wall The unit is Underwriters Laboratories listed under heat pumps and is in compliance with Underwriters Standard UL 559 The unit is also certified to the Air Conditioning and Refrigeration Institute as complying to ARI Standard 240 To simplify the proper installation and to assure that the unit will operate in conformity with general ac cepted safety reguiations you Should read carefully the instructions outlined in this manual Failure to comply with the Installation Instructions Operating Instructions or Maintenance Instructions or Alterations of internal wiring or parts not specifically outlined within this manual will void the Agency Listing s and Manufacturer s limited warranty KEEP THIS MANUAL IN A SAFE PLACE FOR READY REFERENCE Part No 30790F089 Date __6 1 89 Supersedes _30790G082 ____ 3 12 INTRODUCTION This manual is intended to familiarize the installer serviceman and the user with the installation operation and maintenance of this thru the wall heat pump This unit is shipped from the factory in one package completely assemblied and wired specially d signed trap assembly is shipped secured to the air return area i
3. LON VOLTAGE T memonr MME ANE ACER CIRCUIT 1 98525 5 MUST BE USED EX 41 ED PWC 183 MED RR LPWO 2431 HIGH Connection Diagram PWC with 5 7 or 10 KW Heat Strip Part 41164 3 Finure 4 LINE VOLTAGE FACTORY COTES SUPPLY WITH MIN AGE IF USED 75 C COPPERWIRE LOW VOLTAGE FACTO ANY OF THE ORIGINAL M LOW VOLTAGE FIELD THERMOSTAT SAME site AND Tre cincum CIRCUIT SAME SIZE TYPE WIRE n loeoeoe MUST BE USED Ed t CONNECTOR BLOCK ________ CONDENSER FAN BLACK E PERE SPEED CHART xg zu Tee CTI TN LL EL 1 1 4 t Connection Diagram PWC with 15 KW Heat Strip Part 42203 2 LINE VOLTAGE FACTORY 208 23041460 ay LINE VOLTAGE FIELD PONER SUEI nott LINE VOLTAGE FIELD IF USED LOW VOLTAGE FACTO THERMOSTAT LOW VOLTAGE FIELD 998001 prota NOTE IF ANY OF THE ORIGINAL WIRES ARE REPLACED THE SAME SIZE AND TYPE WIRE MUST BE USED BLOWEI c BLOWER MOT E ino Le EUM vn bos 4 CAPACITOR POTENTIAL RELAY IF U
4. OF 10 LOCATION The design is certified for through the wall installation only The interior portions of the unit may be surrounded by a closet with clearances to combustible material held to 0 at sides 0 top and 0 front of the plenum The grille side of the unit may be flush with or extend beyond the face of the exterior but should not be recessed more than two 2 inches from the face of the building and should not be obstructed with trees landscape materials of building structure There is no minimum clearance required on locating a unit to an interior corner of a building If the unit is to be enclos ed provisions should be made allowing access to the indoor side of the unit for changing filters and for inspection At least 33 of unobstructed space should be provided in front of the indoor side whether enclosed or not to permit removal of the cooling chassis should repairs or inspection be required If this unit is installed in a residential garage it must be located or protected to avoid physical damage by vehicles This unit must be installed so that no electrical components are exposed to water INSTALLATION CAUTION THE SLEEVE 15 NOT INTENDED AS THE SOLE SUPPORT FOR THE UNIT AN ADDITIONAL SUPPORT MUST BE PROVIDED NEAR THE RETURN OPENING ON THE UNIT FOR ADEQUATE SUPPORT THE USE OF VIBRATION ISOLATION MATERIAL BETWEEN THE UNIT AND THE SUPPORT IS RECOMMENDED CAUTION THIS UNIT MUST BE INSTALLED LEVEL FOR PR
5. The unit must be installed with n a conditioned space to prevent freezing of defrost water in trap assembly and to avoid jacket heat loss and surface condensation problem This unit must be installed with the wall sleeve specified for this unit Refer to the manufacture s specifica tion sheet for complete information and demensions Assemble the sleeve in accordance with the instructions furnished with each wall sleeve Install the wall sleeve level and square in ali corners It is to extend a minimum of 1 4 to 3 8 maximum beyond finished wail to permit caulking all around the sleeve without blocking drain holes at bottom front of sleeve Before installing unit inspect wall sleeve Make sure the gaskets located on the inside of the outer flanges are firmly attached to the sleeve and are not damaged Damage or loose gaskets must be repaired before installing unit The sieeve is not intended as the sole support for the thru the wall unit An additional support must be pro vided beneath the front of the unit for adequate support The use of vibration insulation material between the unit and the support is recommended See Figure 1 p Wall Sleeve Seal space between t E wall sleeve and building opening using non hardening caulking com 24 pound The seal must be water tight to align with return 3 8 from 1 4 to 9 x 22 min opening tinish wail air opening in unit Hole for drain Drill hole on left or r
6. fan switch to AUTO Indoor fan will stop Part No 30790F089 Date __6 1 89 Supersedes 30790G082 5 Page 11 12 OPERATION INSTRUCTIONS The following instructions are to be followed to obtain years of trouble free operation of your year around comfort system To start unit turn on main power have two disconnect switches If the outdoor temperature is below indoor temperature the main power should be turned on 24 hours before starting unit in order to assure no liquid refrigerant is in the compressor crankcase and to prevent valve damage of compressor Operation of this unit is automatic and will provide heating or cooling depending on the setting of the thermostat Heating Operation 1 Set thermostat system switch to HEAT 2 Set thermostat lever to desired temperature 3 Set fan switch to ON for continuous indoor blower operation or to AUTO for indoor blower to cycle corresponding with thermostat cycling Cooling Operation 1 Set thermostat system switch to COOL 2 Set thermostat lever to desired temperature 3 Set fan switch to ON for continuous indoor blower operation or to AUTO for indoor blower to cycle corresponding with thermostat cycling System Shutdown 1 For temporary or short periods of shut down set thermostat system to OFF and fan switch to AUTO 2 For a prolonged period of shut down set thermostat system switch to OFF and fan switch to AUTO Turn off electric power
7. is damaged File a claim with the transportation company If any damages are discovered and reported to the carrier DO NOT INSTALL THE UNIT as claim may be denied Check the unit rating plate to confirm specifications are as ordered Location The design is certified for through the wail installation only The interior portions of the unit may be surrounded by a closet with clearances to combustible material held to 0 at sides 0 top and 0 front of the plenum The grille side of the unit may be flush with or extend beyond the face of the exterior wall but should not be recessed more than 2 from the face of the building and should not be obstructed with trees landscape materials or building structure There is no minimum clearance required on locating the unit to an interior corner of a building If the unit is to be enclosed provisions should be made allowing access to the indoor side of the unit for changing filters and for inspection At least 33 of unobstructed space should be provided in front of the indoor side whether enclosed or not to permit removal of the cooling chassis should repairs or inspection be required PWC Installation 7 X 22 Minimum Opening to Align with Return Air Opening In Unit Vibration Isolating Material Top Layer PI Bott m Layer Finure 1 If the unit is installed in a residential garage it must be located or protected to avoid physical damage by vehicles The unit m
8. m Remove internal jumpers for multiple entry supply PWC18E4 8 PWC18E7 2 PWC24E4 8 PWC24E7 2 208 230V 208 230V 1 Ph power supply 1 Ph power supply Circuit Circuit No 2 No 2 FIGURE 4 FIGURE 5 MULTIPLE ENTRY MULTIPLE ENTRY SUPPLY SUPPLY PWC18E9 2 PWC18E10 7 PWC18E14 7 PWC24E9 2 PWC24E10 7 24 14 7 Part No 30790F089 Date 6 1 89 Supersedes 3079000827 Page 9 12 Thermostat This unit requires special thermostat for operation See product specification sheets or label on unit for manufacture s part number Install the thermostat according to directions furnished with it Select a loca tion in a room having the most wall or window area exposed to the outside Locate on an inside wall away from drafts sunlight or any heat producing appliances Connect thermostat wires to pigtail leads on unit with wire nuts following wire diagrams attached to unit Air Filter This unit is supplied with a permanent type high filtration filter located in front of the indoor coil an in tallation is made in which it is more desirable to mount the filter exterior to the unit in the return duct the permanent filter supplied can be used or a disposable filter may be used If a different fliter or filters are used the minimum total filter area required is 375 sq in of nominal 1 2 inch thick media if a remote filter is installed the permanent filter supplied with this unit
9. or appliances Follow the manufacturer s instructions enclosed with the thermostat for general installation procedures Color coded insulated wires 418 AWG should be used to connect the thermo stat to the unit Electrical Connections All wiring must be done in accordance with the National Electrical Code NEC ANSUNFPA No 70 latest edition Canadian Electrical Code CSA C22 2 Part 1 latest edition or local codes where they prevail Any alteration of internal wiring will void certification and warranty Units are factory wired for a 230 volt power supply If power supply is 208 volts it will be necessary to change a wire connection on unit transformer from 240 voit terminal to 208 volt terminal as shown on the wiring diagram Use wiring with a temperature limitation of 75 C mini mum Run the 208 or 230 volt 60 hertz electric power supply through a fused disconnect switch to the control box of the unit and connect as shown in the wiring dia gram located on the inside of the control access panel The unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA No 70 latest edition or CSA 22 2 Part 1 latest edition Power supply to the unit must be NEC Ciass 1 and must comply with ail applicable codes A fused disconnect switch should be field provided for the unit The switch must be separate from other circuits If any of the
10. wire supplied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram Electrical wiring must be sized to minimum circuit ampacity marked on the unit Use copper conductors only Each unit must be wired with a separate branch circuit and be properly fused OPERATION Sequence of Operation Cooling When the thermostat is in the cooling mode the O circuit is powered which energizes the reversing valve Upon cooling demand the thermostat closes circuit R to Y and G Closing R to Y closes the unit contactor starting the compressor and outdoor fan The thermostat automati cally closes R to G circuit which also brings on the indoor blower at the same time Upon satisfying cooling demand the thermostat will open the above circuits and open the main contactor stopping the compressor and outdoor fan If the unit is equipped with a time delay the blower will continue to operate for 90 seconds which improves system efficiency Heating Upon heating demand the thermostat closes circuit R to Y which closes the unit contactor starting the compressor and outdoor fan The reversing valve is not energized in the heating mode The thermostat again automatically brings on the indoor fan at the same time The second stage of the thermostat closes circuit R to W which closes the unit sequencers bringing the auxiliary electric heat on Upon satisfying heating demand the thermostat opens the above circuit
11. ATE 2 1 96 SUPERSEDES 411940094 PAGE 5 OF 10 LIMITATIONS The unit should be installed in accordance with all national and local safety codes Limitations of the unit and appropriate accessories must also be observed The unit must NOT be installed with any ductwork in the outdoor airstream The outdoor fan is not designed to operate against any addilional static pressure Minimum and maximum operating conditions must be observed to assure maximum system performance with minimum service required TABLE 1 APPLICATION LIMITATIONS OUTDOOR AMBIENT AIR TEMP F MIN DB COOL MAX DB COOL 4 HEAT 125 75 DUCTWORK INDOOR AMBIENT TEMP F Ductwork should be designed and sized according to applicable methods from the Air Conditioning Contractors of America ACCA It is recommended that supply and return duct connections at the unit be made with flexible joints supply and return air duct systems should be designed for the CFM static requirements of the job They should NOT be sized to match the dimensions of the duct connections on the unit NOTE SUPPLY DUCT FLANGES ARE SHIPPED FLAT AND MUST BE BENT UP BEFORE ATTACHING THE SUPPLY DUCT To connect the return duct to the unit use a straight piece of duct 22 wide by 7 deep Insert the duct into the return opening in the bottom of the unit Flange the duct over the existing flanges around the opening inside unit Make sure that all sides of the duct a
12. INSTALLATION AND MAINTENANCE INSTRUCTIONS PWC Series Magic Pak Self Contained Heat Pump A WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer or service agency AWARNING For your safety do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Such actions could result in property damage per sonal injury or death Installation and servicing of air conditioning equipment can be hazardous due to internal refrigerant pressure and live electrical compo nents Only trained and qualified service personnel should install or service this equip ment Installation and service performed by unqualified persons can result in property damage personal injury or death CAUTION These units are not approved for mobile home applications Such use could result in prop erty damage personal injury or death TABLE OF CONTENTS INSTALLATION cnrs OPERATION sine MAINTENANCE ne WIRING DIAGRAMS sr WARRANTY Manufactured By AAC A Lennox international Company 421 Monroe Street Bellevue 44811 CAUTION The installation of this appliance must conform to the requirements of the National Fire Protection Associa tion the Nati
13. OPER DRAINAGE OF THE CHASSIS BASE PAN AND UNIT DRAIN PAN WITHOUT WALL SLEEVE Measure the size of the unit and provide an opening in an outside wall that will accept the unit Local ordinances may require a steel lintel to support the wall above the opening This opening must be square in ail corners Position the unit so that the grilles on the outside face of the unit are flush or extend beyond the face of the exterior wall but not recessed more than two 2 inches from the face of the building PROVIDE A SUPPORT UNDER THE UNIT INSIDE THE BUILDING Make sure that the inside support does not block the return air The unit should be installed level Seal the space between the unit and the building opening using a non hardening caulking compound The seal must be weather tight to prevent entrance of moisture and water into the building Make sure the drain holes in the base are not plugged with caulking WITH WALL SLEEVE See the installation instructions packed with the wall sleeve to assemble and amount in a wall Make sure that the gaskets attached to the sleeve are not damaged Assure that the unit is completely seated against the on the wall sleeve Seal space between wall sleeve and building opening using non hardening caulking compound This seal must be water tight CONDENSATE DRAIN Install the plastic drain tube furnished over the 5 8 0 0 fitting welded to the condensate pan Connect other end of the drain tube to trapped dra
14. PMENT WARNING FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE NOMENCLATURE 10 242 A 1A 1 2 3 4 5 1 ELECTRIC HEATING 4 Electrical Rating Code 5 A 208 230 volts 60 Hz 1 phase 7 z 7kW 10 10kW 5 Revision Code 15 15kW 2 PWC HEAT PUMP WITH COOLING 3 COOLING CAPACITY TONNAGE 182 1 TON 242 2 TON 302 2 TON PART NO 411948096 DATE _ 2 1 96 SUPERSEDES 411940094 PAGE 3 OF 10 LOCATION The design is certified for through the wall installation only The interior portions of the unit may be surrounded by a closet with clearances to combustible material held to 0 at sides 0 top and 0 front of the plenum The grille side of the unit may be flush with or extend beyond the face of the exterior wall but should not be recessed more than two 2 inches from the face of the building and should not be obstructed with trees landscape materials or building structure There is no minimum clearance required on locating a unit to an interior corner of a building if the unit is to be enclos ed provisions should be made allowing access to the indoor side of the unit for changing filters and for inspection At least 33 of unobstructed space should be provided in front of the indoor side whether enclosed or not to permit removal of the cooling chassis should repairs or inspection be required this
15. SED Qi x Connection Diagram PWC with No Heat Strip Part 45322 1 Finure 6 Limited Warranty August 1 1997 This warranty gives you specitic legal rights and you may have other rights which vary from state province to state province Warrantor Armstrong Air Conditioning Inc 421 Monroe St Bellevue OH 44811 Armstrong Air Conditioning Inc products are available under the following names Air Ease Armstrong Air American Aire Concord Subject to the iimitations stated this warranty we warrant to the first buyer for use the residential heating cooling or heat pump unit when installed operated and maintained as required by this warranty to be tree of detects in workmanship or material for a period of five years two years for commercial equipment from the time of installation We will replace any detective component without cost or expense to you except for the costs of delivery and labor for removal and replacement of the defective component Warranty Begins The warranty period begins when the installation is compiete and the product is ready to operate You must be able to verify this date whenever a warranty claim is made Original bill of sale installer s invoice or other similar document will suffice the beginning date cannot be verified we will consider warranty coverage to begin six months after the date the product was shipped from our factory Limitations on Implied Warranties Implied warranties of merchanta
16. T AIR TEMP MIN DB COOL MAX 08 65 COOL 125 DUCTWORK poe RE ee TEMP F HEAT HEAT _ 80 EN 5 Ductwork should be designed dnd sized according to applicable methods from the Air ir Conditioning contractors of America ACCA It is recommended that supply and return duct connections at the unit be made with flexible joints The supply and return air duct systems should be designed for the CFM static requirements of the job They should NOT be sized to match the dimensions of the duct connections on the unit NOTE SUPPLY DUCT FLANGES ARE SHIPPED FLAT AND MUST BE BENT UP BEFORE ATTACHING THE SUPPLY DUCT To connect the return duct to the unit use a straight piece of duct 22 wide by 7 deep Insert the duct into the return Opening in the bottom of the unit Flange the duct over the existing flanges around the opening inside unit Make sure that all sides of the duct are flanged over to permit removal of cooling chassis if required Use a flexible connection to attach remainder of return duct The return duct should be sealed to the unit casing and terminate outside the space containing the furnace NOTE THE RETURN DUCT MUST ALLOW FOR THE UNIT ORAIN PAN CONNECTIONS AND DRAIN TUBE CAUTION DO NOT SCREW INTO THE SIDE OF THE DRAIN PAN AIR FILTER All indoor return air must be filtered A permanent type filter is furnished with the unit located directly
17. WHERE THEY PREVAIL Use wiring with a temperature limitation of 75 C min Run the 208 or 230 voit 60 hertz electric power supply through a fused disconnect switch to the control box of the unit and connect as shown in the wiring diagram located on the in side of the control access panel The unit must be electricaily grounded in accordance with local codes or in the absence of local codes with the Na tional Electric Code ANSI NFPA No 70 latest edition or CSA C22 2 Part 1 latest edition Power supply to the unit must be N E C Class 1 and must comply with al applicable codes A fused disconnect Switch should be field provided for the unit The switch must be separate from all other circuits If any of the wire supplied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram Electrical wiring must be sized to minimum circuit ampacity marked on the unit USE COPPER CONDUCTORS ONLY Each unit must be wired with a separate branch circuit and be properly fused SEQUENCE OF UNIT OPERATION COOLING When the thermostat is in the cooling mode the O circuit is powered which energizes the reversing valve Upon cooling demand the thermostat closes circuit R to Y and 6 Closing R to Y closes the unit contactor starting the compressor and outdoor fan The thermostat automatically closes to 6 circuit which also brings on the indoor blower at the same time Upon satisfying cooling demand the thermostat wil
18. YCLE If outdoor ambient conditions are such that frost forms on the outdoor coil the defrost control monitors the need for and initiates and terminates defrost cycles as neccessary to maintain system performance The defrost control is time temperature initiated and temperature terminated with a maximum defrost time time out of 10 minutes Time between defrost cycles is pre set at 60 minute intervals at the factory but can be field adjusted to 30 60 or 90 minutes See illustration for field adjustment of defrost timing For best performance in Region IV the PWC242 defrost interval should be adjusted to 30 minutes a INSTALLATION AND MAINTENANCE INSTRUCTIONS PWC SERIES SELF CONTAINED HEAT PUMP PAGE 1 OF 10 PART NO Manulactured ARMSTRONG AIR CONDITIONING INC A LENNOX International Inc Company 421 Monroe Street Bellevue OH 44811 PART NO 411940094 DATE 4 15 94 SUPERSEDES PAGE 2 OF 10 GENERAL These instructions explain the recommended method of installation of the PWC heat pump unit and associated elec trical wiring This unit is designed and approved for use as Self contained air to air heat pump system These instructions and any instructions packaged with mating components and or accessories should be carefully read prior to beginning installation Note particularly any CAUTIONS or NOTES in these instructions and all labels on the unit These instructions are intended as a general g
19. at designated con tact your distributor or the manufacture FAILURE OF THE COMPRESSOR AS A RESULT OF OPERATION ON IMPROPER VOLTAGE VOIDS THE COMPRESSOR REPLACEMENT WARRANTY Multiple power supply connections must be used when total unit amp draw is over 48 amps If multiple power supply connections are used separate fused disconnects must be installed for each circuit between the main panel and the supply terminals in the unit Circuit No 1 terminals L1 and 12 on the terminal block is always used to supply power to the heat pump section See Figure 3 4 and 5 Circuit No 2 terminals L3 and L4 on terminal block units up to 11 0 KW or fuse block units over 11 0 KW is always used to supply power to electric heaters Single entry supply may be used on units when total amp draw heat pump plus heaters is less then 48 amps and is not in violation of prevailing electrical codes Units with 7 2 KW heaters or less are supplied with internal jumpers between Li amp L3 and L2 amp L4 for single entry supply Remove jumpers between Li amp L3 and L2 amp L4 when multipie entry supply is to be used Fuse and wire sizing must be in accordance with prevailing electrical codes See Product Specification sheets or Unit Series and Rating Plate for ampacities and maximum fuse Part No 30790F089 __ Date __6 1 89 Supersedes 307905042 8 72 208 230 volt 1 Ph power supply FIGURE 3 SINGLE ENTRY SUPPLY
20. behind the ac cess panel Removing the panel permits access to the filter The filter should be cleaned at least three times during each of the heating and cooling seasons or more frequently if unusual conditions are encountered To clean the permanent filter shake filter to remove excess dirt and or use vacuum cleaner Wash filter in soap or detergent water and replace after filter is dry The filter supplied need not be oiled after washing PART NO 411940094 DATE 4 15 94 SUPERSEDES PAGE 6 OF 10 f an installation is made in which it is more desirable to mount the filter exterior to the unit in the return duct work or otherwise either the permanent filter supplied or a disposable filter may be used If a RER filter is used the minimum area required is as follows MODEL NO FILTER AREA MIN PWC 182 480 sq in PWC 242 480 sq in PWC 302 480 sq in THERMOSTAT The room thermostat should be located on an inside wall where it will not be subject to drafts sun exposure or heat from electrical fixtures or appliances Follow the manufacturer s instructions enclosed with the thermostat for general installation procedures Color coded insulated wires 418 AWG shouid be used to connect the thermostat to the unit POWER AND CONTROL WIRING ELECTRICAL CONNECTIONS ALL WIRING SHOULD BE DONE IN ACCORDANCE WITH NATIONAL ELECTRICAL CODE ANSI NFPA No 70 LATEST EDITION IN CANADA CSA C22 2 Part 1 LATEST EDITION OR WITH LOCAL CODES
21. bility or to the extent applicable fitness for a particular purpose are limited to five years the same duration as the basic limited written warranty provided herein Some states provinces do not allow limitations on how long an implied warranty of merchantability or fitness lasts so the above limitations r exclusions may not apply to you Only Warranty This written Limited Warranty is the only warranty made by the warrantor this warranty is in lieu of and excludes all other warranties express or implied The warrantor does not authorize any person to provide any other warranty or to assume for it any further obligation in connection with the warranted product What is NOT Covered Cabinets or cabinet pieces Normal maintenance items such as filters fan belts fuses or other consumable items Damage caused by misuse failure to maintain properly accidents or acts of God External wiring piping venting or attachment of accessory products not integral to our product including without limitation humidifier air cleaner vent damper thermostat or other mechanical devices not manufactured by the warrantor Products that have been operated in a corrosive atmosphere where a concentration of acids halogenated hydrocarbons or other corrosive elements causes deterioration to metal surfaces or integral components NOTE Operation in a corrosive atmosphere is considered abuse and voids this warranty 6 Products that have NOT been installed in accorda
22. door fan should stop After two seconds of defrost operation the reversing valve should shift back to heating Operation and the outdoor fan should start SYSTEM PERFORMANCE For maximum performance of this heat pump system the operating temperatures and pressure should be checked and superheat determined at Standard ARI test conditions of 82 F outdoor 80 F indoor dry buib 67 F wet bulb If the superheat measured deviates from the values in the table below the refrigerant charge should be adjusted accor dingly tor maximum performance PWC SUCTION SUPER HEAT TABLE 2 Outdoor Unit Model Suction Superheat A R I Conditions PWC182 18 20 F PWC242 17 19 F PART NO DATE SUPERSEDES PAGE 8 OF 10 MAINTENANCE NORMAL MAINTENANCE WARNING PRIOR TO ANY OF THE FOLLOWING MAINTENANCE PROCEDURES SHUT OFF ALL ELECTRICAL POWER TO THE UNIT FAILTURE TO DO SO COULD CAUSE PERSONAL IN JURY Periodic inspection and maintenance normally consists of changing or cleaning filters and under some conditions cleaning the coils FILTER supplied Inspect once a month Replace disposable or clean permanent type as necessary DO NOT replace permanent type with disposable MOTORS indoor and outdoor tan motors are permanently iubricated and require no maintenance OUTDOOR COIL Foreign material should not be allowed to accumulate on the outdoor coil surface or other parts in the air circuit Cleaning should be as often as necessa
23. e of the exterior wall but not recessed more than 2 from the face of the building Provide a support under the unit inside the building Make sure that the inside support does not block the return air The unit should be installed level Seal the space between the unit and building opening using a non hardening caulking compound The seal must be weathertight to prevent entrance of moisture and water into the building Make sure the drain holes in the base are not plugged with caulking Condensate Drain Install the plastic drain tube furnished over the 5 8 O D fitting welded to the center of the condensate pan Con nect the other end of the drain tube to trapped drain line see Figure 2 The plastic drain connection to the chassis base is provided so that it may be disconnected from the permanent drain tubing in the base of unit in the event it _ becomes necessary to remove the chassis assembly The drain line should pitch gradually downward at least 1 per 10 feet of horizontal run to the open drain Be certain that the plastic drain tubing has free drainage and is not crimped or flattened at any bend PWC Drain Installation Tube Furnished Return ae Installer Supplied Figure 2 Limitations The unit should be installed in accordance with all national and local safety codes Limitations of the unit and appropriate accessories must aiso be observed The unit must not be installed with any ductwo
24. eal during handling Wall Sleeve Assembly Top Panel P N 33021B000 dr Squaring Braces Right Side Panet P N 33024B002 Figure 1 Top Support Angle P N 33028B000 Left Side Panel P N 330248001 Further sealing against air infiltration must be done after the Magic Pak unit is installed in the wall sleeve and utility connections have been completed see Sealing Weath erproofing Wall Sleeves section Wall Sleeve installation The wall sleeve may be installed from either the inside or outside of the building Some builders will attach the wall sleeve to the support wall through the side support angles whether they are inserting the sleeve from the outside or the inside Others will use the side angles simply as a locating stop to achieve the appropriate dimension while shooting fasten ers through the sides of the wall sleeve into the supporting wall in either case the wall sleeve must be fastened to the supporting wall and not to the finished wall The sieeve may extend farther than 1 beyond the finished wall but reaching the perimeter of the opening from inside for sealing becomes increasingly difficult In any case adequate safety precautions must be considered to protect personnel Installing Wall Sleeve from Inside The most popular method of installing the wall sleeve is from the inside of the building with the weather seal applied from the outside as the finish wall is applied Installing Wall Slee
25. er assembly TOTAL DEFROST DRAIN SYSTEM MUST BE LOCATED IN THE CONDITIONED AREA TO AVOID FREEZING Drain line must not be above lowest drain pan fitting FIGURE 2 Indoor coil Drain pan Chassis base Use hole provided on either side of base to exit unit Return air duct if used 5 8 min O D copper or alum drain tube shaded item Pitch 1 in per ft Installer supplied Open drain trap in conditioned space to prevent freezing and damage Alternate route through return air duct One 5 8 O D copper trap amp plastic tubes 3 furnished J Part No 30790F089 Date 6 1 89 Supersedes _30790G082 Page _7__ of _12__ INSTALLATION Electrical Connections Ail wiring to unit must comply with the national Electrical Code NFPA No 70 or local codes where they prevail ANY ALTERNATION OF INTERNAL WIRING CAN VOID UNDERWRITER S APPROVAL ARI CER TIFICATION AND MANUFACTURE S LIMITED WARRANTY The series and rating plates indicate the operating voltages phase ampacities and maximum fuse size and electric heater ratings Units must never be installed where voltage exceeds 110 of higher voltage indicated on rating plate or less than the minimum operating voltage on rating plate Ratings and BTU output are based on 230 V 60 HZ supply Voltages other than this rated voltage will alter the BTU output of this unit For specific ratings at voltages or frequencies other than th
26. he defrost system 1 Defrost sensor must be closed 32 F or below If temperatures are such that switch will not close jumper between defrost sensor terminals on the defrost control 2 Start system in heating operation 3 Jumper test pins A 1 4 quick connect terminal crimped onto a solid wire or brazing rod works well for test jumper Closing test pins speeds up time interval by a factor of 256 Defrost Control Defrost T est Pins Time Plug Defrost Control Setting Defrost Test Cycle Time 30 minutes 7 seconds 60 minutes 14 seconds 90 minutes 21 Seconds Fier 3 After closing test pins and appropriate cycle time has elapsed the reversing valve should shift to defrost mode and the outdoor fan should stop After 2 seconds of defrost operation the reversing valve should shift back to ting operation and the outdoor fan should start System Performance For maximum performance of this heat pump system the operating temperatures and pressures should be checked and superheat determined at Standard ARI test conditions of 82 F outdoor 80 F indoor dry bulb 67 F wet bulb If superheat measured deviates from the values given in Table 3 refrigerant charge should be adjusted accordingly for maximum performance Suction Superheat Suction Superheat ARI Conditions 82 OD 80 IDDB 67 IDWB PWC183 18 20 Outdoor Unit Model Table 3 MAINTENANCE AWARNING Shutoff all electrical
27. igtht side through base after unit is installed Celotex or equivalent A ai Plywood 9 NI FIGURE 1 Part 30795089 6449 Supersedes 30790802 Page 6 2 INSTALLATION Before sliding unit into sleeve remove 5 screws and washers from top panel Slide unit into sleeve until the angle on top of the unit lines up with the top flange of the sleeve and should almost touch Fasten unit to sleeve with the 5 screws and washers above Condensate and Defrost Drain The condensate drain trap furnished with the unit is a copper tube assembly and is furnished with three pieces of plastic tubing To install condensate drain Reference Figure 2 connect one of the plastic tube ends over the 5 8 0 0 fitting welded to the center of indoor condensate drain pan and another end to the 5 8 O D fitting on the chassis base Connect the third plastic tube end to the open drain trap The drain line should pitch gradually downward at least 1 inch per foot of horizontal run to open drain trap Be certain that plastic drain tube has free drainage and 15 not crimped or flattened at any bend Test drainage by pouring water into drain pan under indoor coil and see that it is removed rapidly through the drain tubing The plastic drain connection is provided so that it may be disconnected from the permanent drain tubing in the building without unsoldering in the event it becomes nceccessary to remove the refrigeration draw
28. ime period has elapsed and the defrost sensor detects a temperature below freezing At the start of the defrost cycle the defrost control will energize the reversing valve solenoid shifting the reversing valve and de energizing the outdoor fan The defrost relay will also close energizing auxiliary heat for increased comfort during defrost The unit will remain in the defrost mode until the defrost sensor has determined that the frost has been removed from the coil or a 10 minute time period has elapsed FIGURE 3 DEFROST TEST PINS DEFROST TIME JUMPER T1 30 MINUTES T2 60 MINUTES T3 90 MINUTES The defrost control is also equipped with a set of test pins to aid in trouble shooting of the defrost system The follow ing is a brief outline of the testing of the defrost system The defrost sensor will be closed at 32 or below If temperatures are such that the switch is not closed jumper between the defrost sensor terminals on the defrost control Start the system in heating operation Jumper test pins A 1 4 quick connect terminal crimped onto a solid wire or brazing rod works well for test jumper Closing test pins speed up time interval by a factor of 256 DEFROST CONTROL SETTING DEFROST TEST CYCLE TIME 71 30 minutes 7 seconds T2 60 minutes 14 seconds 3 90 minutes 21 seconds After closing test pins and appropriate cycle time has elapsed the reversing valve should shift to defrost mode and the out
29. in line See Figure 2 The plastic drain connection to the chassis base is provided so _ that it may be disconnected from the permanent drain tubing in the base of unit in the event it becomes necessary to remove the chassis assembly The drain line should pitch gradually downward at feast 1 per 10 foot of horizontal run to the open drain Be certain that the plastic drain tubing has free drainage and is not crimped or flattened at any bend PART NO pare 559 New Por FIGURE 1 INSTRUCTION FOR SUPPORTING PWC UNITS Wall Sleeve 7 x 22 Min Opening To Align with Return Air Opening in Unit Vibration Isolating Material FIGURE 2 5 8 1 0 PLASTIC DRAIN PAN TUBE FURNISHED CHASSIS DRAIN TRAP ASSEMBLY FURNISHED 5 8 1 0 PLASTIC TUBE FURNISHED 5 8 0 0 ORAIN LINE AND TRAP 1 NSTALLER SUPPLIED RETURN ane AIR DUCT 7 ME onte 41500 surenseoes new pate sor 0 LIMITATIONS The unit should be installed in accordance with all national and local safety codes Limitations of the unit and appropriate accessories must also be observed The unit must NOT be installed with any ductwork in the outdoor airstream The outdoor fan is not designed to operate against any additional static pressure Minimum and maximum operating conditions must be observed to assure maximum system performance with minimum service required TABLE 1 APPLICATION LIMITATIONS OUTDOOR AMBIEN
30. ion 3 Check that correct size fuses are installed for unit 4 All panels must be in place 5 Turn on main power to unit B Heating Check 1 Set fan switch to AUTO 2 Set thermostat lever to lowest temperature 3 Set thermostat switch to HEAT position if indoor ambient temperature is near or colder than thermostat setting heat pump will start immediately 4 Slowly adjust thermostat to warmer temperature until first stage heat is activated com pressor will start 5 If possible check outdoor fan to make sure it s rotating this is especially important if heat pump has been installed for sometime and not running in the winter such that the outdoor fan plenum could be clogged with snow or ice build up 6 Check indoor air outlet to verify indoor fan is blowing air and getting warmer 7 Adjust thermostat lever to at least 5 F warmer temperature so that second stage heat will activate 8 Check indoor air outlet for increased heating higher temperature C Cooling Check 1 Set thermostat switch to OFF position for minimum of 5 minutes to allow heat pump pressures to equalize 2 Set thermostat lever to lowest temperature for cooling 3 Set thermostat switch to COOL position compressor should start unless indoor ambient is near or colder than thermostat setting D Blower Operation 1 Set thermostat switch to OFF position 2 Set fan switch to ON Indoor fan only will operate 3 Return
31. ked with the wall sleeve to assemble and mount in a wall Make sure that the gaskets attached to the sleeve are not damaged Assure that the unit is completely seated against the gaskets on the wall sleeve Seal d between wall sleeve and building opening using non hardening caulking compound This seal must be water tight CONDENSATE DRAIN Install the plastic drain tube furnished over the 5 8 0 0 fitting welded to the condensate pan Connect other end of the drain tube to trapped drain line See Figure 2 The plastic drain connection to the chassis base is provided so that it may be disconnected trom the permanent drain tubing in the base of unit in the event it becomes necessary to remove the chassis assembly The drain line should pitch gradually downward at least 1 per 10 foot of horizontal run to the open drain Be certa n that the plastic drain tubing has free drainage and is not crimped or flattened at any bend PART NO 411948096 DRAIN PAN 2 196 SUPERSEDES 411940094 PAGE 4 OF 10 FIGURE 1 INSTRUCTION FOR SUPPORTING PWC UNITS Wail Sleeve 7 x 22 Min Opening To Align with Return Air Opening in Unit Vibration tsolating Material FIGURE 2 5 8 1 0 PLASTIC TUBE FURNISHED CHASSIS DRAIN TRAP ASSEMBLY FURNISHED 5 8 1 0 PLASTIC TUBE FURNISHEO 5 8 0 0 DRAIN jp LINE AND TRAP RETURN V INSTALLER SUPPLIED AIR DUCT 2 PART NO 41194B096 D
32. l open the above circuits and open the main con tactor stopping the compressor and outdoor fan If the unit is equipped with a time delay the blower will continue to operate for 90 seconds which improves system efficiency HEATING Upon heating demand the thermostat closes circuit R to Y closing the unit contactor starting the com pressor and outdoor fan The reversing valve is not energized in the heating mode The thermostat again automatical ly brings on the indoor blower at the same time The second stage of the thermostat closes circuit R to W closing the unit sequencers bring the auxiliary electric heat on Upon satisfying heating demand the thermostat opens above cir cuits and stops unit operation DEFROST CYCLE outdoor ambient conditions are such that frost forms on the outdoor coil the defrost control monitors the need for and initiates and terminates defrost cycles as neccessary to maintain system performance The defrost control is time temperature initiated and temperature terminated with a maximum defrost time time out of 10 minutes Time between defrost cycles is pre set at 60 minute intervals at the factory but can be field adjusted to 30 60 90 minutes See illustration for field adjustment of defrost timing For best performance in Region IV the PWC242 defrost interval should be adjusted to 30 minutes EN SUPERSEDES PAGE T OF 1 The defrost contro will initiate a defrost cycle if the t
33. ld be sealed to the unit casing and terminate outside the space containing the furnace The return duct must allow for the unit drain pan connections and drain tube CAUTION not screw into the side of the drain pan Air Filter All indoor return air must be filtered A permanent type filter is furnished with the unit located directly behind the access panel Removing the panel permits access to the filter The filter should be cleaned at least three times during each of the heating and cooling seasons or more fre quently if unusual conditions are encountered To ciean the permanent filter shake filter to remove excess dirt and or use a vacuum cleaner Wash filter in soap or detergent water and replace after filter is dry is not necessary to oil the permanent filter after washing If an installation is made in which it is more desirable to mount the filter exterior to the unit in the return duct work or elsewhere the permanent filter can be used or re placed with a disposable filter If a disposable filter is used use the information provided in Table 2 when sizing the disposable filter Minimum Required Surface Area for Disposabie Filters Model Number Filter Area minimum PWC183 PWC243 Table 2 480 square inches 480 square inches Thermostat The room thermostat should be located on an inside wail where it will not be subject to drafts sun exposure or heat from electrical fixtures
34. me recessing is permitted This sill should be recessed further than the sleeve by 3 8 to 1 to permit weather seal caulking along the bottom edge without plugging the drain holes in the sleeve The top of the wall opening should be above the top of the wall sleeve by a dimension equal to or greater than the amount of the recess in order to avoid restriction of the condenser discharge air Sealing Weatherproofing Wall Sleeves A high grade non hardening caulking compound approved for exterior use must be applied outside around the perimeter of the wall sleeve and the finished wall Caulk should also be applied around the sleeve s perimeter and the finished interior wall Final sealing against a r infiltration must be done after the Magic Pak unit is installed in the wall sleeve For additional protection the space between the unit and the wall sleeve Should be sealed on all sides with a bead of sealant Wall Sleeve Dimensions in 1or 3 F 15 or 12 2 16 45 2 Flanges may be assembled 1 or 324 from this side of the sleeve Figure 2 PART NO 411948096 INSTALLATION AND MAINTENANCE INSTRUCTIONS PWC SERIES SELF CONTAINED HEAT PUMP PART NO 411948096 DATE 2 1 96 SUPERSEDES PAGE 1 OF 10 Manufactured By ARMSTRONG AIR CONDITIONING INC A LENNOX International Inc Company 421 Monroe Street PART NO 411948096 DATE 2 1 96 SUPERSEDES 411940094 PAGE 2 OF 10 GENERAL These ins
35. must be removed Duct Work Provide duct work sufficiently large enough to handle the air volume at the total external static pressure not exceeding the rating of the unit published in the Product Specification sheet for the rated cooling air volume Connect supply to top of unit using canvas connections or other flexible connection to prevent sound transmission into the duct system To connect the return duct to the unit use a straight piece of duct 21 by 9 Insert duct into return opening bottom of unit and duct over existing flanges around opening in side unit Make sure that all sides of the duct are flanged over to permit removal of cooling chassis if re quired Use a flexible connection to attach remainder of return air duct Adjustments No adjustments are required or should be attempted regarding any of the components of the heat pump chassis and supplementary electric heaters The unit should be checked to see that none of the wiring is loose or missing The plug in electrical connec tors between the cooling chassis and the main control compartment should be checked to make sure the plugs are firrnly seated and none of the wires are loose Part No 30790089 __6 1 89 Supersedes 30790G082 __ Page 10 of 12 INSTALLATION A Unit Check Out Procedure IMPORTANT 1 Filter s must be clean and in place as to filter all air passing over indoor coil 2 Set thermostat to OFF posit
36. n lower front of unit Check the rating plate to confirm heating and cooling capacities are as ordered and are as shown on the packaging label When this unit is unpacked check should be made for any damage If any damages are discovered DO NOT INSTALL THE UNIT Notify the transportation company and make proper notation on the carriers freight bill Damage claims must be filed with the carrier at once The manufacturer can assume no responsibility for damages which occur in transit or for improper opera tion of the unit as a result of shipping damages Part 30790F089 Date __6 1 89 Supersedes 307900082 Page 4 ot 12 TABLE OF CONTENTS Page INSTALLATION Site Preparation 5 Condensate and Defrost Drain 6 Electrical 78 Thermostat 9 Air Filter o D Note 9 DUCE Work fes US Cav 9 Unit Checkout Procedure 10 OPERATION INSTRUCTIONS Heating 11 Cooling Operation 11 System Shutdown 11 MAINTENANCE AND SERVICE Part _____397902089 Date __6 1 89 Supersedes 30790G082 Page 5 12 _ INSTALLATION Site Preparation This unit is approved for thru the wali installation with zero clearance to combustible material
37. nce with our published installation instructions applicable local state provincial national codes ACCA published standards 7 Products that have NOT been installed by competent qualified installers 8 Products that have been moved from their original place of installation Pons Warranty on Replacement Components Any replacement component furnished by us will assume the remaining unused portion of the Limited Warranty Consequential Damages warrantor shall not be responsibie for any consequential damages caused by any defect in the product Some state provinces do not the exclusion or limitations of incidental or consequential damages so the above limitation or exclusion may not apply to you NOTE After the first year in the event that a gas or heat exchanger is no longer being manufactured by the warrantor the warrantor will allow a credit equal to the then current wholesale price of an equivalent heat exchanger towards the purchase of a new Armstrong gas or oil furnace This product must be installed used and cared for in accordance with the instruction manual You are responsible for required periodic maintenance or service such as changing or cleaning ot air filters and lubrication or cleaning of components Failure to properly install operate or maintain your unit voids this warranty Owner Record Model Serial Installation Date INSTALLED BY Dealer Address Telephone License
38. onal Electrical Code ANSI NFPA No 70 latest edition in the United States the Canadian Electrical Code Part 1 CSA 22 1 latest edition in Canada and any state or provincial laws or local ordi nances Local authorities having jurisdiction should be consulted before installation is made Such appli cable regulations or requirements take precedence over the general instructions in this manual Save these instructions for future reference INSTALLATION General ase instructions explain the recommended method of lation of the PWC heat pump unit and associated evectrical wiring This unit is designed and approved for use as a self contained air to air heat pump system These instructions and any instructions packaged with mating components and or accessories should be carefully read prior to beginning installation Note particularly any CAUTIONS or WARNINGS in these instructions and all ia bels on the units These instructions are intended as a general guide only for use by qualified personnel and do not supersede any national or local codes in any way Compliance with ail local state provincial or national codes pertaining to this type of equipment should be determined prior to installa tion inspection Upon receipt of equipment carefully inspect it for possible shipping damage If damage is found it should be noted on the carrier s freight bill Take special care to examine the unit inside the carton if the carton
39. ot be subject to drafts sun exposure or heat from electrical fixtures or appliances Follow the manufacturer s instructions enclosed with the thermostat for general installation procedures Color coded insulated wires 18 AWG should be used to connect the thermostat to the unit POWER AND CONTROL WIRING ELECTRICAL CONNECTIONS ALL WIRING SHOULD BE DONE IN ACCORDANCE WITH NATIONAL ELECTRICAL CODE ANSI NFPA No 70 LATEST EDITION IN CANADA CSA C22 2 Part 1 LATEST EDITION OR WITH LOCAL CODES WHERE THEY PREVAIL NOTE UNITS ARE FACTORY WIRED FOR A 230 VOLT POWER SUPPLY IF POWER SUPPLY IS 208 VOLTS IT WILL BE NECESSARY TO CHANGE A WIRE CONNECTION ON UNIT TRANSFORMER FROM 240V TERMINAL TO 208V TER MINAL AS SHOWN ON WIRING DIAGRAM Use wiring with a temperature limitation of 75 C min Run the 208 or 230 voit 60 hertz electric power supply through a fused disconnect switch to the control box of the unit and connect as shown the wiring diagram located on the in side of the control access panel The unit must be electrically grounded in accordance with local codes or the absence of codes with the Na tional Electric Code ANSI NFPA No 70 latest edition or CSA C22 2 Part 1 latest edition Power supply to the unit must be N E C Class 1 and must comply with all applicable codes A fused disconnect switch should be field provided for the unit The switch must be separate from ail other circuits If any of the wire Sup
40. plied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram Electrical wiring must be sized to minimum circuit ampacity marked on the unit USE COPPER CONDUCTORS ONLY Each unit must be wired with a separate branch circuit and be properly fused SEQUENCE OF UNIT OPERATION COOLING When the thermostat is in the cooling mode the 0 circuit is powered which energizes the reversing valve Upon cooling demand the thermostat closes circuit R to Y and G Closing R to Y closes the unit contactor starting the compressor and outdoor fan The thermostat automatically closes R to G circuit which also brings on the indoor blower at the same time Upon satisfying cooling demand the thermostat will open the above circuits and open the main con tactor stopping the compressor and outdoor fan If the unit is equipped with a time delay the blower will continue to operate for 90 seconds which improves system efficiency HEATING Upon heating demand the thermostat closes circuit R to Y closing the unit contactor starting the com pressor and outdoor fan The reversing valve is not energized in the heating mode The thermostat again automatical ly brings on the indoor blower at the same time The second stage of the therrnostat closes circuit R to W closing the unit sequencers bring the auxiliary electric heat on Upon satisfying heating demand the thermostat opens above cir Cuits and stops unit operation DEFROST C
41. power to the unit before conducting any maintenance procedures Failure to do so could cause personal injury Periodic inspection and maintenance normally consists of changing or cleaning filters and under some conditions cleaning the coils Filter Inspect the filter once a month Replace disposable filter or clean the permanent type filter as necessary a mini mum of three times each heating or cooling season is recommended Do not replace permanent type filter with a disposable filter unless an installation was made in which the filter was mounted exterior to the unit see Air Filter section on page 4 Motors The indoor and outdoor fan motors are permanently lubricated and require no maintenance Outdoor Coil Foreign material should not be allowed to accumulate on the outdoor coil surface or other parts in the air circuit Cleaning should be as often as necessary to keep the coil clean Use a brush vacuum cleaner attachment or other suitable means Be sure power to unit is shut off before using water to clean the coil Care should be used when cleaning the coils so that the coil fins are not damaged Outdoor Base Drain Foreign material should not be allowed to clog the drain hole Inspect and clear drain opening prior to heating season VOLTAGE FACTORY LINE VOLTAGE FIELD NOTE 208 230 1 60 LINE VOLTAGE FIELD IF USED PPLY WITH LOWVOLTAGE FACTO IF ANY OF THE ORIGINAL SU
42. re flanged over to permit removal of cooling chassis if required Use a flexible connection to attach remainder of return duct The return duct should be sealed to the unit casing and terminate outside the space containing the furnace NOTE THE RETURN DUCT MUST ALLOW FOR THE UNIT DRAIN PAN CONNECTIONS AND DRAIN TUBE CAUTION DO NOT SCREW INTO THE SIDE OF THE DRAIN PAN AIR FILTER All indoor return air must be filtered A permanent type filter is furnished with the unit located directly behind the ac cess panel Removing the panei permits access to the filter The fitter shouid be cleaned at least three times during each of the heating and cooling seasons or more frequently if unusual conditions are encountered To clean the permanent filler shake filter to remove excess dirt and or use vacuum cleaner Wash filler in soap or detergent water and replace after filter is dry The filter supplied need not be oiled after washing 411948096 SUPERSEDES 411940094 PAGE 6 OF 10 If an installation is made in which it is more desirable to mount the filter exterior to the unit in the return duct work otherwise either the permanent filter supplied or a disposable filter may be used If a filter is used the minimum area required is as follows MODEL NO FILTER AREA MIN PWC 182 480 sq in PWC 242 480 sq in PWC 302 480 sq in THERMOSTAT The room thermostat should be located on an inside wall where it will n
43. rk in the outdoor air stream The outdoor fan is not designed to operate against any additional static pressure Minimum and maximum operation conditions must be observed to assure maximum system performance with minimum service required Refer to Table 1 on page 4 for the application limitations of the unit Application Limitations Outdoor Ambient Air Temperature F Cool Heat 125 75 Indoor Ambient Air Temperature F Minimum Maximum cone Table 1 Ductwork Ductwork should be designed and sized according to the methods in Manual Q of the Air Conditioning Contractors of America ACCA It is recommended that supply and return duct connec ns at the unit be made with flexible joints Tne supply and return air duct systems should be de signed for the CFM and static requirements of the job They should not be sized to match the dimensions of the duct connections on the unit Supply duct flanges are shipped flat and must be bent up before attaching the supply duct To connect the return duct to the unit use a straight piece of duct 22 wide by 7 deep Insert the duct into the return opening in the bottom of the unit Flange the duct over the existing flanges around the opening inside unit Make sure that all sides of the duct are flanged over to permit removal of cooling chassis if required Use a flexible connection to attach remainder of return duct The return duct shou
44. ry to keep the coil clean Use a brush vacuum cleaner attachment or other suitable means 1 water is used to clean the coil be sure power to the unit is shut off prior to cleaning NOTE CARE SHOULD BE USED WHEN CLEANING THE COILS SO THAT THE COIL FINS ARE NOT DAMAGED OUTDOOR BASE DRAIN Foreign material should not be allowed to clog the drain hole Inspect and clear drain open ing prior to heating season PHYSICAL AND ELECTRICAL DATA EBA TPES ZA TOPS TRANSPORT PCA IT TOP Ca TTC AIT OPERA TN CEA 42 1 206 230 60 2 1PH VOLTAGE RANGE 197253 187253 7 CIR AMPACITY 2552 OVER CUR 208020 COMPRESSOR RATED LOAD AMPS 77 ROTOR AMPS ___45 __ OUTOOOR FAN OIAMETER TIN PART NO 411940094 DATE 4 15 94 SUPERSEDES PAGE 9 OF 10 CONNECTION DIAGRAM PAGE 10 OF 10 NEW 411940094 DATE SUPERSEDES PART NO RE 30 1 80 SUPPLY F COPPER 2 J oloolo oloolo a i WS FAN COM Q LT ETS LLL amp Ou CR C CONTACTOR 4 JNNECTION DIAGRAM PWC Part No 30790F089 Date ___6 1 89 _ SELF CONTAINED THRU THE WALL HEAT PUMP Supersedes 307908082 Page 1 12 Installation and Maintenance Instructions i tee v j 71
45. s and stops unit operation Defrost Cycle if the outdoor ambient conditions are such that frost forms on the outdoor coil the defrost control monitors the need for and initiates and terminates defrost cycles as neces sary to maintain system performance The defrost control is time temperature initiated and temperature terminated with a maximum defrost time time out of 10 minutes Time between defrost cycles is preset at 60 minute intervals at the factory but can be field adjusted between 30 60 or 90 minutes To field adjust time between defrost cycles place defrost time plug in the proper position see Figure 3 For best performance in Region IV the PWC243 defrost interval should be adjusted to 30 min utes Defrost control will initiate a defrost cycle if the time period has elapsed and the defrost sensor sees a temperature below freezing At the start of a defrost cycle the defrost control will energize the reversing valve solenoid shifting the reversing valve and de energizing the outdoor fan The defrost relay will aiso close energizing auxiliary heat for increased comfort during defrost The unit will remain in defrost mode until the defrost sensor has determined that the frost has been removed from the coil or a 10 minute time period has elapsed The defrost control is also equipped with a set of pins to aid in troubleshooting of the defrost system see Figure 3 The following is a brief outline of the testing of t
46. supply Two disconnect switches may supply unit No ______30790F089 __6 1 89 Supersedes 30790G082 __6 11 of 12 OPERATION INSTRUCTIONS The following instructions are to be followed to obtain years of trouble free operation of your year around comfort system To start unit turn on main power may have two disconnect switches the outdoor temperature is below indoor temperature the main power should be turned on 24 hours before starting unit in order to assure no liquid refrigerant is in the compressor crankcase and to prevent valve damage of compressor Operation of this unit is automatic and will provide heating or cooling depending on the setting of the thermostat Heating Operation 1 Set thermostat system switch to HEAT 2 Set thermostat lever to desired temperature 3 Set fan switch to ON for continuous indoor blower operation or to AUTO for indoor blower to cycle corresponding with thermostat cycling Cooling Operation 1 Set thermostat system switch to COOL 2 Set thermostat lever to desired temperature 2 3 Set fan switch to for continuous indoor blower operation or to AUTO for indoor blower to cycle corresponding with thermostat cycling System Shutdown 1 For temporary or short periods of shut down set thermostat system to and fan switch to AUTO 2 For a prolonged period of shut down set thermostat system switch to OFF and fan swi
47. tch to AUTO Turn off electric power supply Two disconnect switches may supply unit
48. tructions explain the recommended method of installation of the PWC heat pump unit and associated elec trical wiring This unit is designed and approved for use as a self contained air to air heat pump system These instructions and any instructions packaged with mating components and or accessories should be carefully read prior to beginning installation Note particularly any CAUTIONS or NOTES in these instructions and all labels on the unit These instructions are intended as a general guide only for use by qualified personnel and do not supersede any na tional or local codes in any way Compliance with all local state provincial or national codes pertaining to this type of equipment should be determined prior to installation INSPECTION OF SHIPMENT Upon receipt of equipment carefully inspect it for possible shipping damage If damage is found it should be noted on the carrier s freight bill Take special care to examine the unit inside the carton if the carton is damaged File Claim with the transportation company If any damages are discovered and reported to the carrier DO NOT INSTALL THE UNIT as claim may be denied Check the unit rating plate to confirm specifications are as ordered CAUTION INSTALLATION AND SERVICING OF AIR CONDITIONING EQUIPMENT CAN BE HAZARDOUS DUE TO IN TERNAL REFRIGERANT PRESSURE AND LIVE ELECTRICAL COMPONENTS ONLY TRAINED AND QUALIFIED SER VICE PERSONNEL SHOULD INSTALL REPAIR OR SERVICE THIS EQUI
49. uide only for use by qualified personnel and do not supersede any na tional or local codes in any way Compliance with all local state provincial or national codes pertaining to this type of equipment should be determined prior to installation INSPECTION OF SHIPMENT Upon receipt of equipment carefully inspect it for possible shipping damage If damage is found it should be noted on the carrier s freight bill Take special care to examine the unit inside the carton if the carton is damaged File a claim with the transportation company If any damages are discovered and reported to the carrier DO NOT INSTALL THE UNIT as claim may be denied Check the unit rating plate to confirm specifications are as ordered CAUTION INSTALLATION AND SERVICING OF AIR CONDITIONING EQUIPMENT CAN BE HAZARDOUS DUE TO IN TERNAL REFRIGERANT PRESSURE AND LIVE ELECTRICAL COMPONENTS ONLY TRAINED AND QUALIFIED SER VICE PERSONNEL SHOULD INSTALL REPAIR OR SERVICE THIS EQUIPMENT WARNING FOR YOUR SAFETY 00 NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE NOMENCLATURE 10 242 1 12 34 5 1 ELECTRIC HEATING 4 Electrical Rating Code 5 5kW A 208 230 volts 60 Hz 1 phase 7 10 10kW 5 Revision Code 15 15kW 2 PWC HEAT PUMP WITH COOLING 3 COOLING CAPACITY TONNAGE 182 1 TON 242 2 TON 302 2 TON PART NO 41194D094 DATE SUPERSEDES NEW PAGE 3
50. unit is installed in a residential garage it must be located or protected to avoid physical damage by vehicles This unit must be installed so that no electrical components are exposed to water INSTALLATION CAUTION THE SLEEVE IS NOT INTENDED AS THE SOLE SUPPORT FOR THE UNIT AN ADDITIONAL SUPPORT MUST BE PROVIDED NEAR THE RETURN OPENING ON THE UNIT FOR ADEQUATE SUPPORT THE USE OF VIBRATION ISOLATION MATERIAL BETWEEN THE UNIT AND THE SUPPORT IS RECOMMENDED SA EAE UNIT MUST BE INSTALLED LEVEL FOR PROPER DRAINAGE OF THE CHASSIS BASE PAN AND UNIT WITHOUT WALL SLEEVE Measure the size of the unit and provide an opening in an outside wall that will accept the unit Local ordinances may require a steel tinte to support the wall above the opening This opening must be square in all corners Position the unit so that the grilles on the outside face of the unit are flush or extend beyond the face of the exterior wall but not recessed more than two 2 inches from the face of the building PROVIDE A SUPPORT UNDER THE UNIT hs THE BUILDING Make sure that the inside support does not block the return air The unit should be installed evel Seal the space between the unit and the building opening using a non hardening caulking compound The seal must be weather tight to prevent entrance of moisture and water into the building Make sure the drain holes in the base are not plugged with caulking WITH WALL SLEEVE See the installation instructions pac
51. ust be installed so that no electrical compo nents are exposed to water CAUTION This unit must be installed level to allow for proper drainage of the chassis base pan and unit drain pan Installing With a Wall Sleeve A CAUTION The sleeve is not intended as the sole support for the unit An additional support must be provided near the return opening on the unit for adequate support The use of vibration isolation material between the unit and the support is recommended Refer to the installation instructions packed with the wall sleeve and Figure 1 for guidance in assembly and mount ing using a wall sleeve Make sure the gaskets attached to the sleeve are not damaged Seal the space between the wall sleeve andthe building opening with non hardening caulking compound The seal must be weathertight to prevent entrance of moisture and water into the building Assure that the unit is completely seated against the gaskets on the wall sleeve installing Without a Wall Sleeve Refer to the following directions and Figure 1 for guidance in installing the unit without a wall sleeve 1 Measure the size of the unit and provide an opening in an outside wall that will accept the unit Local ordi nances may require a steel lintel to support the wall above the opening The opening must be square in all 4 corners 2 Position the unit so that the grilles on the outside face of the unit are flush or extend beyond the fac
52. ve from Outside in many high rise construction applications contractors insert the wall sleeves from the outside while the wall is being constructed The two sided support angles should then be attached to the wall sleeve sides at a location that will exceed the thickness of the outside finish wall by the recommended 3 8 to 1 dimension For example if the supporting wall is concrete block with a brick facing there is usually a space between the block and the brick This space dimension must be added to the width of the brick plus 3 8 to 1 so that when the sleeve is inserted into the block wall opening up to the angles and fastened to the block wall before the brick is installed the sleeve will protrude beyond the finished brick by 3 8 to 1 as needed for caulk sealing The same applies if the supporting wall is wood frame One may insert the sleeve from the outside up to the angles located on each side allowing for the thickness of sheathing finish siding and caulk sealing Recessed Sleeves In some applications where either the building walls are very thick over 16 or architectural design dictates units can be recessed Avoid recessing the wall sleeve if the wall opening is required to be the same size as the wall sleeve opening However if the wall opening can be larger in vertical dimension than the wall sleeve so that the bottom can rest on a sill that is at least 2 higher than the bottom of the wall opening so
53. y ES Save these instructions for future reference INSTALLATION 4 Wall Sleeve Assembly To assembie the wall sleeve refer to the following instruc tions and Figure 1 1 Stide top panel over side panels until retaining clips 5 are engaged in slotted openings 2 Place side and top assembly down with the front flange against floor and slide bottom panel into side 6 panel slip strips until tabs on bottom panels are locked in place 3 Attach squaring braces to top and side panels using existing holes Do not remove braces until wail sleeve is secured to building Attach the support angles to top and side panels using the 8 x 3 8 screws provided Two sets of holes are provided in the panels for attaching the support angles Use the row of holes nearest the front of the sleeve to attach the support angles for 1 spacing or the second set of holes for 3 3 4 spacing The wall sleeve must be square in opening before securing sleeve to building This is required to assure the Magic Pak unit will slide into the sleeve Caulk all seams where the bottom panel joins to the side panels including the front corners of the bottom panel and the top of side panel slip joints Caulk sealing is best accomplished after the wall sleeve is assembled but before it is placed in the wall opening Remaining final caulk sealing can be done just after the sleeve is secured into the wall opening if desired to avoid breaking the s
Download Pdf Manuals
Related Search