Lennox Magic-Pak PWC182 Installation And Maintenance Instructions Manual

Lennox international inc. self-contained heat pump installation and maintenance instructions

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INSTALLATION AND

MAINTENANCE

INSTRUCTIONS

PWC Series "Magic-Pak"

Self-Contained

Heat Pump

[

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.

I _'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. 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

unqualified

persons can result in property

damage,

personal

injury or death.

] A CAUTION

These units are not approved for mobile home

applications.

Such use could result in prop-

erty damage, p_rsonal injury or death.

TABLE

OF CONTENTS

INSTALLATION

.......................................

OPERATION

..........................................

MAINTENANCE

.....................................

WIRING

DIAGRAMS

..............................

WARRANTY

.........................................

ManufacturedBy

A.A.C.

A Lennox International Company

421 MonroeStreet

Bellevue, OH 44811

IIIIIIIIIIII)ll

I A CAUTION [

The installation of this appliance must conform to the requirements of the National Fire Protection Associa-

tion; the National Electrical Code, ANSl/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

Table of Contents

Summary of Contents for Lennox Magic-Pak PWC182

Page 1 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. INSTRUCTIONS Heat Pump WARNING For assistance or additional information, INSTALLATION...
Page 2 INSTALLATION General =.se instructions explain the recommended ,llation of the PWC heat pump unit and associated e_uctricalwiring. 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.
Page 3 If the unit is installed in a residential garage, it must be located or protected to avoid physical damage by vehicles. The unit must be installed so that no electrical compo- nents are exposed to water. [A CAUT,ON This unit must be installed level to allow drainage...
Page 4 Application Limitations Outdoor Ambient Air Temperature Minimum DB - Cooling Cool Indoor Ambient Air Temperature Minimum DB/WB DB,_VB Cool Heat Cool 62/57 90/72 Table t Ductwork Ductwork should be designed and sized according to the methods in Manual Q of the Air Conditioning Contractors of America (ACCA).
Page 5 Usewiringwitha temperature l imitation 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.
Page 6 ",tingoperation 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.
Page 7 208/230-1-60 POWER SUPPLY W ITH MIN. 75"CCOPPER W IRE I CIRCUIT1 I I (lo_cO_L'qCIRCUIT2 •; BLACK LOWER MOTORvloI_r r UNE VOLTAGE-FACTORY UNE VOLTAGE-RELD UNE VOLTAGE-RELD (IF USED) LOW VOLTAGE-FACTORY LOW VOLTAGE-FI ELD BLUE 7 AND 10 PWC ONLY BLOWER CAPACr_R-RUN Connection Diagram PWC with 5, 7 or 10 KW Heat Strip...
Page 8 208/230-1-60 :OWER SUPPLY WITH MIN. 75"C COPPER WIRE I CIRCUIT 1 I CIRCUIT 2 • UNE VOLTAGE-FACTORY LINE VOLTAGE-RELD LINE VOLTAGE-FIELD (IF USED) LOW VOLTAGE-FACTORY LOW VOLTAGE-R ELD BLUE UMrT BLOWER CAPACITOR-RUN DEFROST Connection Diagram PWC with 15 KW Heat Strip Part #42203-2 NOTE: IF ANY OF THE ORIGINAL...
Page 9 208/230-1-60 POWER SUPPLY WITH MIN. 75"C COPPER WIRE NOTE: BLOWER MOTOR LINE VOLTAGE-FACTORY UNE VOLTAGE-FIELD UNE VOLTAGE-FIELD (IF USED) LOW VOLTAGE-FACTORY LOW VOLTAGE-FIELD IF ANY OF THE ORIGINAL WIRES ARE REPLACED, THE SAME SIZE AND TYPE WIRE MUST BE USED. BLOWER _-RUN Connection Diagram...
Page 10 Subject to the limitafions.stated in 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 free of defects in workmanship or material for a pehod of five years (two years for commercial equipment) from the time of installation.
Page 11 INSTALLATION INSTRUCTIONS Wall Sleeve Kit CA239 For Use With HW/HWC/EWC/PWC Magic-Pak Thru-the-Wall age_ Parts List Quantity Description Top Panel BottomPanel Right Side Panel Left Side Panel Squaring Braces Top SupportAngle Side SupportAngles #8 x 3/8" Screws InstallationInstructions Manufactured By A.A.C. A Lennox International Company 421 Monroe Street Bellevue, OH 44811...
Page 12 INSTALLATION Wall Sleeve Assembly To assemble the wall sleeve, refer to the followinginstruc- tions and Figure 1. Slide top panel over side panels until retaining clips are engaged in slottedopenings. Place side and top assembly down with the front flange against floor and slide bottom panel into side panel slip strips untiltabs on bottom panels are locked in place.
Page 13 Further sealing against air infiltrationmust be done alter the Magic-Pak unit is installedin the wall sleeve and utility connections have been completed (see Sealing/Weath- erproofing Wall Sleeves section). Wall Sleeve Installation The wall sleeve may be installedfrom either the inside or outsideof the building.
Page 14 I_A_T_°. 4"948°96----I INSTALLATION AND MAINTENANCE INSTRUCTIONS PWCSERIES SELF-CONTAINED H EATPUMP ManufacturedBy ARMSTRONG AIR CONDITIONING INC. A LENNOXInternationalInc. Company 421 MonroeStreel...
Page 15 These instructionsexplain the recommended method of installation of the PWC heatpump unit and associated elec- trical wiring. This unit is designed and approvedfor use as a self-containedair to air heat pump system. These instructions,and any instructions packagedwith maling components and/or accessories, s houldbe carefully read priorto beginning installation.Note parliculady any CAUTIONSor NOTESin theseinstructions and all labels on...
Page 16 PARTNO. I 41194BOg6I LOCATION The design is certifiedfor through-the-wallinstallation only. The interior portions of the unit may be surroundedbya closet with clearancesto combustiblematerial held to 0" at sides, 0" top and O" frontof the plenum. The grille sideof the unitmay be flush with or extendbeyondthe faceof theexteriorwall, but shouldnot berecessed morethan two(2) inchesfrom the face of the buildingand shouldnot be obstructedwith trees, landscapematerials, or building structure.
Page 17 PA.T.O. I ,,,,_,,.0_, I 0','_ I _'"_ I SU"ERSEOES I ""_"00_" I PA_E,'O_,O FIGURE1 INSTRUCTION FORSUPPORTING PWCUNITS Wall Sleeve 7 x 22 Min. OpeningTo A#ign with'Return Air Openingin Unit. Vibration I solating Material Plywood FIGURE2 5/8 " I.D. PLASTIC (FURNISHED) DRAIN PAN CHASSIS DRAIN 'ASSEMBLY...
Page 18 .ARTNO. I "f9"Bog I OATE I 2"t'g6I .SUPERSEOES LIMITATIONS The unit shouldbe installedin accordancewith all nationaland local safetycodes. Limitationsof the unit and appropriateaccessories must also be observed. The unit must NOTbe installedwith any ductwork in the outdoor airstream, T he outdoor fan is not designedto operate againstany additionalstatic pressure.
Page 19 I PA.TNo I .tt9..o96 I DATE 1 2196 I SUPERSEDES It an installation is made in which it is more desirable to mount the filter exterior to the unit, in the return duct work, or olherwise, either the permanent filter supplied or a disposable filter may be used. If a disposable filter is used, the minimum area required is as follows: MOOEL NO.
Page 20 PA...o, .,,9.o09. I IDNSTALLATION AN MAINTENANCE INSTRUCTIONS PWCSERIES SELF-CONTAINED HEATPUMP PART NO. ] 4,,94°O94 I OA_E ] 4-,5-94 I SU_RSEOES .EW I _'AGE_O_IO Manulaclured By ARMSTRONG AIR CONDITIONING INC, A LENNOXInternational I nc. Company 421 Monroe Slreel Bellevue, OH 44811...
Page 21 Theseinstructionsexplainthe recommended methodof installation of the PWCheal pumpunit and associated elec- trical wiring. This unil is designed and approvedfor use as a self-contained air Io air heat pump system. These instructions, and any instructions packaged wilh mating componen[s a ndlor accessories, s hould be carefully read prior to beginning inslallation, Nole parlicularly any CAUTIONS or NOTES in these instructions and all labels on the unit.
Page 22 I PA,,NO. I ,, g,o094 I DATE I '-fS-g'I SUPERSEDES LOCATION The design is certifiedfor through-the-wall i nstallation only. The interior portionsof theunit may be surrounded by a cJoset with clearances to combustible material held to O" at sides, 0" top and 0" frontof the plenum. The grille sideof the unit may be flush with or extend beyond the face of theexteriorwall, but shouldnot be recessed more than two (2) inchesfrom the face of the building and should not be obstructed with trees, landscape materials, or building structure.
Page 23 I PART.O. I "(940094 [ DArE I 4-_5-9' I SUPERSEDES FIGURE 2 5/8" I.D. PLASTIC TUBE (FURNISHED) RETURN NR DUCT FIGURE 1 INSTRUCTION FORSUPPORTING PWCUNITS WallSleeve VibrationisolatingMaterial PAGE4 OF 10 7 x 22 Mio. OpeningTo Align with Return Air Opening _n Unit. 5/8 "I.D.
Page 24 PA,TNO I 4tt94OOB4 I DA E I 41594 ]SUPERSEDES LIMITATIONS The unit shouldbe installedin accordance with all national and localsafety codes. Limitations of the unit and appropriateaccessoriesmust also be observed. Theunit mustNOTbe installedwith any ductworkin the outdoor airstream.Theoutdoor fan is notdesignedto operate againstany additionalstatic pressure.
Page 25 PART NO. 41194D094 If an installation is madein which it is more desirable tomount the filter exterior tothe unit, in the return duct work, or otherwise, either the permanent filter suppliedor a disposable filter may be used. If a disposable filter is used, the minimum area required is as follows: MODELNO, PWC 182...
Page 26 PA,T,O. I ,tt,,O0,, The defrost controlwill initiate a defrosl cycle if the time period has elapsedand the defrost sensor detects a temperature below freezfng. At the slart of the defrost cycle, Ihe defrost ControlwUIenergize the reversing valve solenoid,shift(ng the reversing valve and de-energizing the outdoor fan. The defrost reraywilt alsoclose, energizing auxiliary heat for increased comfortduring defrost.
Page 27 PARTNO I 4t_g4DOg4 I DATE ] 4iS-g, I SUPERSEOES MAINTENANCE NORMAL MAINTENANCE WARNING: PRIOR TO ANY OF THE FOLLOWING MAINTENANCE PROCEDURESSHUT OFF ALL ELECTRICALPOWERTO THE UNIT. FAILTURETO DOSO COULDCAUSE PERSONALIN- JURY. Periodic inspection and maintenance normallyconsistsof changing or cleaningfilters and (under someconditions) cleaning the coils.
Page 28 I _,,9_Do9. I OA_E l .-_5-g_ CAP. UOI'CR VZOI.[T HIGH _EE EV.OV_ B.UE CONNECTION DIAGRAM l SU_E.SEOES ?AND 10 PVC 0NLY lira >( 8L_X CmTm m.L0W C/P/Z:IT_-RIJ_ l .EW I ,_GEgOF,O llllll llllll V/I.VE © im_E)"/_()s'r...
Page 29 1PA'_RT N0. 411941)094 3Ct/'ZsO-t-60 SUPPLT WI?H ¥[N. 75'€ €_ WIIaE CX_Z:_zT t cz_qcuzT 2 VXa.k'T HZOH Ot.UE ,.)NNECT I ON DIAGRAM DATE 4-15-94 SUPERSEDES I LINK; tOLTAE_'II_O Lof vo.T_4[_ BUJE €_rxcTOR aU_a_ Yn.LOW 'flg.LOw CAPAC l TIOR-RUN PAGE 10 OF 10 11.10_6?AT NO"_j F AWlG_ THE CtqXOINAL...
Page 30 Part No. 30790F08g Date 6-1-69 SELF CONTAINED THRU-THE-WALL HEAT PUMP Supersedes 30790G082 Page_of Installation Maintenance Instructions _O, MSTP_,...
Page 31 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 The unit is also certified to the Air Conditioning and Refrigeration Institute as complying to ARI Standard 240.
Page 32: Partno
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. A specially designed trap assembly is shipped, secured to the air return area in lower front of unit.
Page 33: Table Of Contents
TABLE OF CONTENTS " INSTALLATION Site Preparation ... Condensate and Defrost Drain ... Electrical Connections ... Thermostat Air Filter ; ... Duct Work Unit Checkout Procedure ... OPERATION INSTRUCTIONS Heating Operation ... Cooling Operation ... System Shutdown ... MAINTENANCE AND SERVICE Air Filter ...
Page 34: Site Preparation
Site Preparation Tills unit is approved for thru-the.wall be installed within a conditioned space to prevent freezing of defrost water in trap assembly and to avoid jacket heat loss and surface condensation This unit must be installed with the wall sleeve specified for this unit. Refer to the manufacture's tion sheet for complete information Assemble the wall sleeve in accordance with the instructions furnished with each wall sleeve.
Page 35: Condensate And Defrost Drain
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.
Page 36: Electrical Connections
Circuit No. 2, terminals L3 and L4 on terminal block (units up to 11.0 KW) or fuse block (units over 11.0 is always used to supply power to electdc 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.
Page 37 FIGURE 3. SINGLE ENTRY SUPPLY Remove internal for multiple entry Supply. 208-230V 1 Ph. power supply ICircuit I No. I FIGURE 4, MULTIPLE ENTRY SUPPLY PWC18E9.2, PWC18E10.7 PWC24Eg.2, PVVC24ElO.7 Part No. Supersedes 208-230 voit 1 Ph. power supply PWC18E4.8, PWGI8E7.2 PWC24E4.8, PWC24E7.2 r I Circuit Circuit I"_...
Page 38: Thermostat
Date 6-1-89 30790G082 Page_of sheets or label on unit for with It. Select a loca- wires to pigtail leads on unit sheet for the rated cooling air by 9". of the heat pump should be checked to make sure the...
Page 39: Unit Checkout Procedure
Supersedes INSTALLATION position. position (if indoor ambient temperature to warmer temperature until first stage heat is activated (com- position for minimum of 5 minutes to allow heat pump position (compressor should start unless indoor ambient setting). position. 30790F089 Date 6-1-89...
Page 40: 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). If the outdoor temperature 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.
Page 41: Air Filter
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). 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.

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Lennox Magic-Pak PWC182 Installation And Maintenance Instructions Manual

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