Lenox Heat Pump 50677201 User Manual
Browse online or download User Manual for Heat pumps Lenox Heat Pump 50677201. Lenox Heat Pump 50677201 User's Manual [en]
- Page / 32
- Table of contents
- BOOKMARKS
- INSTALLATION 1
- INSTRUCTIONS 1
- CONTROL PANEL 3
- PLUMBING, SWITCHES AND 3
- SENSOR COMPONENTS 3
- New Outdoor Unit Placement 7
- Outside Unit Placement 8
- IMPORTANT 10
- Brazing Connections 12
- 506728−01 16
- DISTRIBUTOR 16
- ASSEMBLY 16
- CONNECT GAUGE SET 18
- EVACUATE THE SYSTEM 18
- XP14 SERIES 21
- GAUGE SET 24
- Amps x Volts x 3.41 25
- 1.08 x Temperature rise (F) 25
- Defrost System 29
Summary of Contents
08/11 506772−01*2P0811* *P506772-01*Page 12011 Lennox Industries Inc.Dallas, Texas, USARETAIN THESE INSTRUCTIONSFOR FUTURE REFERENCEThese instruction
Page 10506728−01Line Set RequirementsThis section provides information on: installation of new orreplacement line set. Adding Polyol ester oil requir
Page 11XP14 SERIESANCHORED HEAVY NYLONWIRE TIE OR AUTOMOTIVEMUFFLER-TYPE HANGERSTRAP LIQUID LINE TOVAPOR LINEWALLSTUDLIQUID LINENON−CORROSIVEMETAL SLE
Page 12506728−01Brazing ConnectionsUse the procedures outline in figures 9 and 10 for brazing line set connections to service valves.WARNINGPolyol Est
Page 13XP14 SERIESATTACH THE MANIFOLD GAUGE SET FOR BRAZING LIQUID AND SUCTION / VAPOR LINE SERVICEVALVESOUTDOORUNITLIQUID LINEVAPOR LINELIQUID LINE S
Page 14506728−01WHEN BRAZINGLINE SET TOSERVICE VALVES,POINT FLAMEAWAY FROMSERVICE VALVE.LIQUID LINE SERVICE VALVELIQUID LINEBRAZE LINE SETWrap both se
Page 15XP14 SERIESIndoor Refrigerant Metering Device Removal and Flushing Line Set and Indoor CoilFlushing is only required when the existing system u
Page 16506728−01Installing New Indoor Metering Device This outdoor unit is designed for use in HFC−410A systems that use a check / expansion valve met
Page 17XP14 SERIESLeak Test Line Set and Indoor Coil IMPORTANTLeak detector must be capable of sensing HFC refrigerant.TO VAPORSERVICE VALVE(ANGLE OR
Page 18506728−01Evacuating Line Set and Indoor Coil Evacuating the system of non−condensables is critical for proper operation of the unit. Non−conden
Page 19XP14 SERIESIMPORTANTUse a thermocouple or thermistor electronic vacuumgauge that is calibrated in microns. Use an instrumentcapable of accurate
Page 2506728−01Model Number IdentificationP 14 036− −Unit TypeP = Heat Pump Outdoor UnitSeriesNominal Cooling Capacity018 = 1.5 tons024 = 2 tons030 =
Page 20506728−01Figure 15. Typical Unit Wiring Diagram
Page 21XP14 SERIESFigure 16. Typical Factory Wiring (Copeland Compressor)
Page 22506728−01Figure 17. Typical Factory Wiring (Interlink Compressor)
Page 23XP14 SERIESWARNINGElectric Shock Hazard. Can cause injury or death. Unit must be grounded in accordance with national andlocal codes.Line volta
Page 24506728−013. Inspect all factory− and field−installed wiring for looseconnections.4. Open the high side manifold gauge valve and weigh inliquid
Page 25XP14 SERIESNOTE − Use gauge ports on vapor line valve and liquid valve for evacuating refrigerant lines andindoor coil. Use true suction port t
Page 26506728−011. Determine the desired DTMeasure entering air temper-ature using dry bulb (A) and wet bulb (B). DT is the intersect-ing value of A
Page 27XP14 SERIESAPPROVED MATCHED SYSTEM COMPONENTS, TARGETED SUBCOOLING (SC) VALUES ANDADD CHARGE VALUESListed below are the approved matched system
Page 28506728−01Table 5. Indoor Unit Matches, Targeted Subcooling, and Add Charge ValuesODSizeIndoor Model #SubcoolAdditionalChargeODSizeIndoor Model
Page 29XP14 SERIESauto−reset switch closes when the compressor casingtemperature falls to 151−187°F (66°C−86°C), and thecompressor is re−energized. Th
Page 3XP14 SERIESTypical Unit Parts ArrangementLIQUID LINE FILTERDRIER (BI−FLOW)FIELD CONNECTIONFOR LIQUID LINE SETLIQUID LINESERVICE VALVEREVERSINGVA
Page 30506728−01Pressure Switch CircuitThe defrost control incorporates two pressure switchcircuits. The high pressure switch (S4) isfactory-connected
Page 31XP14 SERIESOutdoor CoilThe outdoor unit must be properly maintained to ensure itsproper operation. Please contact your dealer to schedule prop
Page 32506728−01Start−Up and Performance Checklist Job Name Job no. Date Job Location City State Installer City State Unit Model No. Serial No.
Page 4506728−01Caps and Fasteners Torque RequirementsWhen servicing or repairing HVAC equipment andcomponents, ensure the fasteners are appropriatelyt
Page 5XP14 SERIESTo Access Service Port:A service port cap protects the service port core fromcontamination and serves as the primary leak seal.1. Rem
Page 6506728−01Recovering Refrigerant from Existing SystemDisconnect all power to the existing outdoor unit at the disconnectswitch and/or main fuse b
Page 7XP14 SERIESNew Outdoor Unit PlacementCAUTIONIn order to avoid injury, take proper precaution when lift-ing heavy objects.Remove existing outdoor
Page 8506728−01LEG DETAILBASE2" (50.8MM) SCH 40FEMALE THREADEDADAPTERConcrete slab use two plastic anchors (holedrill 1/4")Wood or plastic
Page 9XP14 SERIESRemoving and Installing PanelsLOUVERED PANEL REMOVALRemove the louvered panels as follows:1. Remove two screws, allowing the panel to
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