Lennox 06/11 50672801 - Manuals

Lennox 06/11 50672801 – Manual in PDF format online.

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Manual

Manual Lennox 06/11 50672801

Summary

Page 2 - Model Number Identification; P = Heat Pump Outdoor Unit; SIDE VIEW; XP13 BASE WITH ELONGATED LEGS

Page 2 506728−01 Model Number Identification P 13 036 − − Unit Type P = Heat Pump Outdoor Unit Series Nominal Cooling Capacity 018 = 1.5 tons024 = 2 tons030 = 2.5 tons036 = 3 tons042 = 3.5 tons048 = 4 tons060 = 5 tons Minor Revision Number 230 Voltage 230 = 208/230V−1ph−60hz Refrigerant Type X = HFC...

Page 3 - Typical Unit Parts Arrangement; CONTROL PANEL; Figure 1. Typical Parts Arrangements

Page 3 XP13 SERIES Typical Unit Parts Arrangement LIQUID LINE FILTERDRIER (BI−FLOW) FIELD CONNECTION FOR LIQUID LINE SET LIQUID LINE SERVICE VALVE REVERSING VALVE FIELD CONNECTIONFOR VAPOR LINE(BALL−TYPE −060 ONLY) HIGH PRESSURE SWITCH(AUTO−RESET) (S4) GROUND LUG CONTACTOR− 1POLE (K1−1) CAPACITOR (C...

Page 4 - Caps and Fasteners Torque Requirements; Table 1. Torque Requirements; Parts; Operating Gauge Set and Service Valves; IMPORTANT; OPERATING SERVICE VALVES

Page 4 506728−01 Caps and Fasteners Torque Requirements IMPORTANT Only use Allen wrenches of sufficient hardness (50Rc −Rockwell Harness Scale minimum). Fully insert thewrench into the valve stem recess. Service valve stems are factory−torqued (from 9 ft−lbs forsmall valves, to 25 ft−lbs for large v...

Page 5 - Operating Angle−Type Service Valve:; Figure 2. Angle and Ball−Type Service Valves

Page 5 XP13 SERIES INSERT HEX−HEADEXTENSION HERE SERVICE PORT CORE SERVICE PORT CAP SERVICE PORT CORE TO OUTDOOR UNIT STEM CAP (VALVE STEM SHOWN OPEN)INSERT HEX WRENCH HERE TO INDOOR UNIT BALL (SHOWN CLOSED) SERVICE PORT CORE TO INDOOR UNIT TO OUTDOOR UNIT A To open rotate stem counterclockwise90°. ...

Page 6 - Recovering Refrigerant from Existing System; DISCONNECT POWER; RECOVERING REFRIGERANT; METHOD 2 LIMITATIONS

Page 6 506728−01 Recovering Refrigerant from Existing System Disconnect all power to the existing outdoor unit at the disconnectswitch and/or main fuse box/breaker panel. DISCONNECT POWER CONNECT MANIFOLD GAUGE SET MANIFOLD GAUGES RECOVERY MACHINE CLEAN RECOVERYCYLINDER OUTDOOR UNIT HIGH LOW Connect...

Page 7 - New Outdoor Unit Placement; CAUTION; Unit Dimensions; NOTICE

Page 7 XP13 SERIES New Outdoor Unit Placement CAUTION In order to avoid injury, take proper precaution when lift-ing heavy objects. Remove existing outdoor unit prior to placement of newoutdoor unit. See Unit Dimensions on page 2 for sizing mounting slab, platforms or supports. Refer to figure 4 for...

Page 8 - Slab Side Mounting; Outside Unit Placement; Roof Top Mounting; Figure 5. Placement, Slab Mounting and Stabilizing Unit

Page 8 506728−01 LEG DETAIL BASE 2" (50.8MM) SCH 40 FEMALE THREADED ADAPTER Concrete slab use two plastic anchors (hole drill 1/4") Wood or plastic slab no plastic anchor (hole drill 1/8") COIL BASE PAN CORNER POST STABILIZING BRACKET (18 GAUGE METAL 2" WIDTH; HEIGHT AS REQUIRED) Sla...

Page 9 - Removing and Installing Panels; WARNING

Page 9 XP13 SERIES Removing and Installing Panels LOUVERED PANEL REMOVAL Remove the louvered panels as follows: 1. Remove two screws, allowing the panel to swing openslightly. 2. Hold the panel firmly throughout this procedure. Rotatebottom corner of panel away from hinged corner post untillower thr...

Page 10 - Line Set Requirements; ADDING POLYOL ESTER OIL REQUIREMENTS; Mineral oils are not compatible with HFC−410A; If that is not possible and the line set is the

Page 10 506728−01 Line Set Requirements This section provides information on: installation of new orreplacement line set. Adding Polyol ester oil requirements New or replacement line set installation Using existing line set. ADDING POLYOL ESTER OIL REQUIREMENTS IMPORTANT Mineral oils are not compati...

Page 12 - Brazing Connections

Page 12 506728−01 Brazing Connections Use the procedures outline in figures 8 and 9 for brazing line set connections to service valves. WARNING Polyol Ester (POE) oils used with HFC−410Arefrigerant absorb moisture very quickly. It is veryimportant that the refrigerant system be kept closedas much as...

Page 13 - CUT AND DEBUR; Figure 8. Brazing Procedures

Page 13 XP13 SERIES ATTACH THE MANIFOLD GAUGE SET FOR BRAZING LIQUID AND SUCTION / VAPOR LINE SERVICEVALVES OUTDOOR UNIT LIQUID LINE VAPOR LINE LIQUID LINE SERVICE VALVE SUCTION / VAPOR LINE SERVICE VALVE ATTACH GAUGES INDOOR UNIT SUCTION / VAPOR SERVICE PORT MUST BE OPEN TO ALLOW EXIT POINT FOR NIT...

Page 15 - Installing New Indoor Metering Device; OR; FLUSHING LINE SET

Page 15 XP13 SERIES Indoor Refrigerant Metering Device Removal and Flushing Line Set and Indoor Coil Flushing is only required when the existing system used HCFC−22 refrigerant. If the existing system used HFC−410a, thenremove the original indoor coil metering device and proceed to Installing New In...

Page 16 - See the

Page 16 506728−01 Installing New Indoor Metering Device This outdoor unit is designed for use in HFC−410A systems that use a check / expansion valve metering device (purchasedseparately) at the indoor coil. See the Lennox XP13 Engineering Handbook for approved check / expansion valve kit match−ups. ...

Page 17 - Leak Test Line Set and Indoor Coil; Leak detector must be capable of sensing HFC refrigerant.; CONNECT GAUGE SET; Figure 12. Manifold Gauge Set Connections for Leak Testing; TEST FOR LEAKS; [A trace amount is a

Page 17 XP13 SERIES Leak Test Line Set and Indoor Coil IMPORTANT Leak detector must be capable of sensing HFC refrigerant. TO VAPOR SERVICE VALVE (ANGLE OR BALL TYPE) HFC−410A MANIFOLD GAUGE SET OUTDOOR UNIT HIGH LOW NITROGEN A Connect an HFC−410A manifold gauge set high pressure hose to thevapor va...

Page 18 - Evacuating Line Set and Indoor Coil; Figure 13. Evacuating Line Set and Indoor Coil

Page 18 506728−01 Evacuating Line Set and Indoor Coil Evacuating the system of non−condensables is critical for proper operation of the unit. Non−condensables are defined as anygas that will not condense under temperatures and pressures present during operation of an air conditioning system.Non−cond...

Page 19 - Electrical; 4VAC TRANSFORMER; INSTALL THERMOSTAT; UNIT LOW VOLTAGE CONNECTIONS

Page 19 XP13 SERIES IMPORTANT Use a thermocouple or thermistor electronic vacuumgauge that is calibrated in microns. Use an instrumentcapable of accurately measuring down to 50 microns. WARNING Danger of Equipment Damage. Avoid deep vacuumoperation. Do not use compressors to evacuate asystem. Extrem...

Page 20 - Figure 14. Typical Unit Wiring Diagram

Page 20 506728−01 Figure 14. Typical Unit Wiring Diagram

Page 21 - Figure 15. Typical Factory Wiring; Unit Start−Up; UNIT START−UP; Figure 16. Outdoor Unit Factory Charge

Page 21 XP13 SERIES Figure 15. Typical Factory Wiring Unit Start−Up IMPORTANT If unit is equipped with a crankcase heater, it should beenergized 24 hours before unit start−up to preventcompressor damage as a result of slugging. UNIT START−UP 1. Rotate fan to check for binding. 2. Inspect all factory...

Page 22 - CONNECTIONS FOR OPTIMIZING SYSTEM CHARGE; GAUGE SET

Page 22 506728−01 Service and Weigh In Refrigerant for Outdoor Units Delivered Void of Charge The following procedures are only required if it has been determine that the new outdoor unit is void of charge. Skip to thenext section if refrigerant charge is present. LEAK CHECK, REPAIR AND EVACUATE If ...

Page 23 - WEIGH−IN CHARGING; Refrigerant Charge per Line Set Length; CALCULATING SYSTEM CHARGE FOR OUTDOOR UNIT VOID OF CHARGE; Figure 19. Heat Pump Cooling Cycle

Page 23 XP13 SERIES WEIGH−IN CHARGING LIQUID LINE SET DIAMETER OUNCES PER 5 FEET (GRAMS PER 1.5 METERS)ADJUST FROM 15 FEET (4.6 METERS) LINE SET* 3/8" (9.5 MM) 3 OUNCE PER 5’ (85 GRAMS PER 1.5 M) *If line length is greater than 15 feet (4.6 meters), add this amount. If line lengthis less than 15...

Page 24 - Optimizing System Refrigerant Charge; Adjusting Indoor; Determine the desired; oF; ADJUSTING INDOOR AIRFLOW

Page 24 506728−01 Optimizing System Refrigerant Charge This section provides instructions on optimizing thesystem charge. This section includes: Optimizing procedure Adjusting indoor airflow Using subcooling method Approved matched components, targeted subcooling(SC) values and add charge values Nor...

Page 25 - Operating Service; SATo; OPTIMIZE CHARGE USING SUBCOOLING

Page 25 XP13 SERIES 1. Check liquid and vapor line pressures. Compare pressures with either second−stage heat or cooling mode normal operating pressures listed in table 4. Table 4 is a general guideand expect minor pressures variations. Significant pressure differences may indicateimproper charge or...

Page 28 - System Operation; Prevents nuisance trips form the low pressure switch; Defrost System; NOTE Defrost control part number is listed near the

Page 28 506728−01 System Operation IMPORTANT Some scroll compressor have internal vacuum protectorthat will unload scrolls when suction pressure goesbelow 20 psig. A hissing sound will be heard when thecompressor is running unloaded. Protector will resetwhen low pressure in system is raised above 40...

Page 29 - Mode

Page 29 XP13 SERIES Compressor Delay (P5) The defrost control has a field−selectable function toreduce occasional sounds that may occur while the unit iscycling in and out of the defrost mode. Units with defrost control 100269−02 : The compressor will be cycled off for 30 seconds going in and out of...

Page 30 - Maintenance

Page 30 506728−01 Maintenance DEALER Maintenance and service must be performed by a qualifiedinstaller or service agency. At the beginning of eachcooling season, the system should be checked as follows: Outdoor Unit 1. Clean and inspect the outdoor coil. The coil may be flushed with a water hose. En...

Page 32 - Start−Up and Performance Checklist; SEQUENCE OF OPERATION

Page 32 506728−01 Start−Up and Performance Checklist Job Name Job no. Date Job Location City State Installer City State Unit Model No. Serial No. Service Technician Nameplate Voltage Rated Load Ampacity Compressor Amperage: Maximum Fuse or Circuit Breaker Electrical Connections Tight? Indoor Filter ...