Page 2 - BASE WITH ELONGATED LEGS; Model Number Identification; P = Heat Pump Outdoor Unit
Page 2 506586−01 10/10 Unit Dimensions −− Inches (mm) 4−5/8(117) 39−1/2 (1003) 35−1/2 (902) 18−1/2 (470) 8 (203) 1 (25) 4−7/16 (113) LIQUID LINEINLET VAPOR LINEINLET ELECTRICAL INLETS BASE WITH ELONGATED LEGS SIDE VIEW ACCESS VIEW DISCHARGE AIR 37 (940) [−024 THRU −042] 47 (1194) [−048 AND −060] 16−...
Page 3 - Typical Unit Parts Arrangement; CONTROL BOX
Page 3 XP17 SERIES Typical Unit Parts Arrangement VAPOR VALVE AND GAUGE PORT DISCHARGE LINE REVERSING VALVE LIQUID LINE BI−FLOW FILTER DRIER HIGH PRESSURE SWITCH(S4) LIQUID VALVE AND GAUGE PORT TRUE SUCTION LINE PORT MUFFLER LOW PRESSURESWITCH (S87) CRANKCASE HEATER THERMOSTAT(S40) CHECK EXPANSIONVA...
Page 4 - Shipping and Packing List; Assembled outdoor unit.; Using Manifold Gauge Set; Table 1. Torque Requirements; Parts; Operating Service Valves
Page 4 506586−01 10/10 WARNING Improper installation, adjustment, alteration, service ormaintenance can cause personal injury, loss of life, ordamage to property. Installation and service must be performed by a licensedprofessional installer (or equivalent) or a service agency. CAUTION Physical cont...
Page 5 - SERVICE VALVES; ANGLE AND BALL; Figure 2. Angle and Ball Service Valves
Page 5 XP17 SERIES (VALVE STEM SHOWNCLOSED) INSERT HEXWRENCH HERE SERVICE PORT CORE SERVICE PORT CAP ANGLE−TYPE SERVICE VALVE (FRONT−SEATED CLOSED) TO OUTDOOR UNIT STEM CAP (VALVE STEM SHOWN OPEN)INSERT HEX WRENCH HERE TO INDOOR UNIT ANGLE−TYPE SERVICE VALVE (BACK−SEATED OPENED) BALL (SHOWNCLOSED) S...
Page 6 - Recovering Refrigerant from Existing System; DISCONNECT POWER; RECOVERING REFRIGERANT; Figure 3. Refrigerant Recovery Procedure
Page 6 506586−01 10/10 Recovering Refrigerant from Existing System SERVICE DISCONNECT SWITCH Disconnect all power to the existing outdoor unit at the disconnectswitch or main fuse box/breaker panel. DISCONNECT POWER CONNECT MANIFOLD GAUGE SET MANIFOLD GAUGES RECOVERY MACHINE CLEAN RECOVERYCYLINDER O...
Page 7 - Unit Placement; CAUTION; See
Page 7 XP17 SERIES CONTROL PANEL ACCESS LOCATION 6 (152) 36 (914) 12 (305) 30 (762) LINE SETCONNECTIONS 24 (610) LINE SET CONNECTIONS ACCESS PANEL REAR VIEW OF UNIT 48 (1219) MINIMUM CLEARANCE BETWEEN TWO UNITS CLEARANCE ON ALL SIDES INCHES (MILLIMETERS) ACCESS PANEL MINIMUM CLEARANCE ABOVE UNIT NOT...
Page 8 - Slab Side Mounting; STABILIZING UNIT ON UNEVEN SURFACES; Outside Unit Placement; DETAIL A; DETAIL E; Figure 5. Placement, Slab Mounting and Stabilizing Unit
Page 8 506586−01 10/10 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 REQUIRE...
Page 9 - STABILIZING UNIT ON UNEVEN SURFACES; Remove two side louvered panels to expose the unit; NOTICE; Removing and Installing Panels
Page 9 XP17 SERIES STABILIZING UNIT ON UNEVEN SURFACES IMPORTANT Unit Stabilizer Bracket Use (field−provided): Always use stabilizers when unit is raised above thefactory height. (Elevated units could become unstable ingusty wind conditions). Stabilizers may be used on factory height units whenmount...
Page 10 - WARNING
Page 10 506586−01 10/10 REMOVE 4 SCREWS TOREMOVE PANEL FORACCESSING COMPRESSORAND CONTROLS. Position panel with holes aligned;install screws and tighten. Detail A Detail B ROTATE IN THIS DIRECTION; THEN DOWN TO REMOVE PANEL SCREW HOLES LIP Panel shown slightly rotated to allow top tab to exit (or en...
Page 11 - New or Replacement Line Set; REFRIGERANT LINE SET; If that is not possible and the line set is the; Refrigerant lines must not contact structure.; Number of elbows vertical rise or drop in the piping.; Mineral oils are not compatible with HFC−410A
Page 11 XP17 SERIES New or Replacement Line Set REFRIGERANT LINE SET This section provides information on installation orreplacement of existing line set. If new or replacement lineset is not being installed then proceed to Brazing Connections on page 13. IMPORTANT Lennox highly recommends changing ...
Page 13 - Brazing Connections
Page 13 XP17 SERIES Brazing Connections Use the procedures outline in figures 9 and 10 for brazingline set connections to service valves. WARNING Danger of fire. Bleeding the refrigerantcharge from only the high side may resultin pressurization of the low side shell andsuction tubing. Application of...
Page 14 - CAP AND CORE REMOVAL
Page 14 506586−01 10/10 ATTACH THE MANIFOLD GAUGE SET FOR BRAZINGLIQUID AND SUCTION / VAPOR LINE SERVICE VALVES OUTDOOR UNIT LIQUID LINE SUCTION / VAPOR LINE LIQUID LINE SERVICE VALVE SUCTION / VAPOR LINE SERVICE VALVE ATTACH GAUGES INDOOR UNIT SUCTION / VAPOR SERVICE PORT MUST BE OPEN AND SERVICE P...
Page 15 - Allow braze joint to cool. Apply
Page 15 XP17 SERIES BRAZE LINE SET Water saturated cloths must remain water saturated throughoutthe brazing and cool−down process. 6 After all connections have been brazed, disconnect manifold gauge set from service ports. Apply additional water saturated cloths to both servicesvalves to cool piping...
Page 16 - Flushing Line Set and Indoor Coil; OR; FLUSHING LINE SET; Figure 11. Flushing Line Set and Indoor Coil
Page 16 506586−01 10/10 Flushing Line Set and Indoor Coil SENSING LINE TEFLON ® RING FIXED ORIFICE BRASS NUT LIQUID LINE ASSEMBLY (INCLUDES STRAINER) LIQUID LINE ORIFICE HOUSING DISTRIBUTOR TUBES DISTRIBUTOR ASSEMBLY REMOVE AND DISCARD WHITE TEFLON ® SEAL (IF PRESENT) A On fully cased coils, remove ...
Page 17 - Installing Indoor Expansion Valve; Engineering Handbook
Page 17 XP17 SERIES Installing Indoor Expansion Valve This outdoor unit is designed for use in systems that use check expansion valve metering device. See the Lennox XP17 Engineering Handbook for approved check expansion valve kit match−ups and application information. The check expansion valve unit...
Page 18 - Leak Test Line Set and Indoor Coil; CONNECT GAUGE SET
Page 18 506586−01 10/10 IMPORTANT The Environmental Protection Agency (EPA) prohibitsthe intentional venting of HFC refrigerants duringmaintenance, service, repair and disposal of appliance.Approved methods of recovery, recycling or reclaimingmust be followed. IMPORTANT If this unit is being matched...
Page 19 - Evacuating Line Set and Indoor Coil; Figure 14. Evacuating System
Page 19 XP17 SERIES Evacuating Line Set and Indoor Coil A Open both manifold valves and start the vacuum pump. B Evacuate the line set and indoor unit to an absolute pressure of 23,000 microns (29.01 inches of mercury). NOTE During the early stages of evacuation, it is desirable to close the manifol...
Page 20 - Electrical; 4VAC TRANSFORMER; INSTALL THERMOSTAT; ELECTROSTATIC DISCHARGE
Page 20 506586−01 10/10 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. Ex...
Page 21 - A. ROUTE CONTROL WIRES NON−COMMUNICATING; B. ROUTE CONTROL WIRES COMMUNICATING; ACCESS VIEW
Page 21 XP17 SERIES NOTE For proper voltages, select control wires gauge per table below. WIRE RUN LENGTH AWG# INSULATION TYPE LESS THAN 100’ (30 METERS) 18 TEMPERATURE RATING MORE THAN 100’ (30 METERS) 16 35ºC MINIMUM. NOTE Wire tie provides low voltage wire strain relief and to maintain separation...
Page 22 - Figure 15. Typical XP17 Wiring
Page 22 506586−01 10/10 Figure 15. Typical XP17 Wiring
Page 23 - Heat Pump Control (A175) Jumpers and Terminals; HEAT PUMP CONTROL ONE STAGE
Page 23 XP17 SERIES Heat Pump Control (A175) Jumpers and Terminals 100 90 DEGREE TARGET 70 DEGREE TARGET *50 DEGREE TARGET 100 90 70 50 DEGREE TARGET DEFROST TERMINATION TEMPERATURE 100 90 70 50 100 90 70 50 100 90 70 50 30 0 *30 SECOND DELAY SECOND DELAY 0 LED ALERT CODES RECEIVING DATA INDICATOR(C...
Page 24 - Table 3. Heat Pump Control (A175) Jumper and Terminal Descriptions
Page 24 506586−01 10/10 Table 3. Heat Pump Control (A175) Jumper and Terminal Descriptions Board ID Label Description E12 PSC Fan 240 VAC output connection for outdoor fan. E16 PSC Fan 240 VAC input connection for outdoor fan. E18 W 24VAC output for defrost auxiliary heat output. L Thermostat servic...
Page 25 - Field Control Wiring; Air Hander Control
Page 25 XP17 SERIES Field Control Wiring Y1 O R W1 G D R Y1 L C C B Y2 Y2 i − W O i+ DS L T T W2 H W3 H O C L Y2 DS DH G R Y1 W2 W1 1 2 5 6 Air Hander Control ComfortSense [ 7000 Thermostats Catalog # Y0349 or Y2081 One − Stage Heat Pump Control On − board link Low voltage thermostat wiring Flat met...
Page 26 - Furnace Control; Figure 18. ComfortSense
Page 26 506586−01 10/10 Y1 O R W1 G D R Y1 L C C B Y2 Y2 i − W O i+ DS L T T W2 H H O C L Y2 DS DH G R Y1 W2 W1 1 2 3 4 Furnace Control ComfortSense [ 7000 Thermostats Catalog # Y0349 or Y2081 One − Stage Heat Pump Control On − board link Low voltage thermostat wiring 1. Thermostat T terminals are u...
Page 27 - Servicing Units Delivered Void of Charge; If system dryness is not; Unit Start−Up; System Refrigerant; CONNECTIONS FOR TESTING AND CHARGING; GAUGE SET; Figure 19. Gauge Set Connections
Page 27 XP17 SERIES Servicing Units Delivered Void of Charge If the outdoor unit is void of refrigerant, clean the systemusing the procedure described below. 1. Leak check system using procedure outlined on page 18. 2. Evacuate the system using procedure outlined on page 19. 3. Use nitrogen to break...
Page 28 - AIRFLOW; INDOOR COIL
Page 28 506586−01 10/10 ADDING OR REMOVING REFRIGERANT This system uses HFC−410A refrigerant which operates atmuch higher pressures than HCFC−22. The pre−installedliquid line filter drier is approved for use with HFC−410Aonly. Do not replace it with components designed for usewith HCFC−22. COOLING M...
Page 29 - Use; method for adding initial refrigerant charge, and then use; SUBCOOLING; WEIGH IN; Refrigerant Charge per Line Set Length; CHARGING METHOD; SUBCOOLING; CHARGING METHOD
Page 29 XP17 SERIES Use WEIGH IN method for adding initial refrigerant charge, and then use SUBCOOLING method for for verifying refrigerant charge . WEIGH IN LIQUID LINE SET DIAMETER OUNCES PER 5 FEET (G PER 1.5 M) ADJUST FROM 15 FEET (4.6 M) LINE SET* 3/8" (9.5 MM) 3 OUNCE PER 5’ (85 G PER 1.5 ...
Page 30 - Air Handler / Coil Match ups and Targeted Subcooling Values
Page 30 506586−01 10/10 Air Handler / Coil Match ups and Targeted Subcooling Values Listed below are the targeted subcooling and charging values for approved indoor unit air handler / coil match ups. Thisinformation is also listed on the unit charging sticker located on the access panel. * Indicates...
Page 31 - Operating and Temperature Pressures
Page 31 XP17 SERIES Operating and Temperature Pressures Minor variations in these pressures may be expected due to differences in installations. Significant differences could meanthat the system is not properly charged or that a problem exists with some component in the system. The normal operatingp...
Page 32 - System Operations; Resetting Anti−Short Cycle Delay; Defrost System
Page 32 506586−01 10/10 System Operations 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 a...
Page 34 - Figure 26. Defrost Calibration Sequence of Operations
Page 34 506586−01 10/10 Continue to accumulaterun time. Heat pump control monitors mode ofoperation through outdoor ambienttemperature (RT13), outdoor coiltemperature (RT21) and compressorrun−time to determine when a defrostcycle is required. Defrost Calibration Defrost Mode Coil temperature sensor ...
Page 35 - HEATING
Page 35 XP17 SERIES MULTI−FUNCTION TEST PINS (E33) Placing the jumper on the field test pins (E33) using a specific sequence allows the technician to: S Clear short cycle lockout S Clear five−strike fault lockout S Cycle the unit in and out of defrost mode S Manually place the unit in defrost mode t...
Page 38 - Figure 30. W Input Fault or Miswire
Page 38 506586−01 10/10 Y1 DEMAND COMPRESSOR CONTACTOR ENERGIZED INITIAL TRIP SWITCH IS IGNORED FOR 90 SECONDS W OUTPUT ACTIVE) COMPRESSOR CONTACTOR DE−ENERGIZED COMPRESSOR ANTI−SHORT CYCLE TIMER BEGINS INCREMENT 5−STRIKE COUNTER 1 LED ALERT CODE / OR MODERATE ALERT 418 DISPLAYED ANTI−SHORT CYCLE TI...
Page 40 - RESETTING FAULT AND LOCKOUT LED CODES
Page 40 506586−01 10/10 System Status, Fault and Lockout LEDCodes LED codes are displayed using various LEDs located onthe heat pump control (A175). See figure 16 for locations ofheat pump control LEDs. DS11 AND DS14 SYSTEM STATUS, FAULT ANDLOCKOUT LED CODES DS11 (Green) and DS14 (Red) LEDs indicate...
Page 43 - Thermostat Alert Codes
Page 43 XP17 SERIES Table 15. Compressor Fault and Lockout LED Codes and Related icomfort Touch ® Thermostat Alert Codes NOTE See notes 1 and 2 in table below for duration of fast / slow flashes and pause. Heat Pump Control LEDs icomfort Touch ® Thermostat Display Condition PossibleCause(s) Solution...
Page 45 - Field Configuration and Testing; Fan Motor Control (A177) Configuration and Testing; This is a test that will verify that the motor does operate.
Page 45 XP17 SERIES Field Configuration and Testing This section provides procedures for configuring,adjusting and testing various components of this unit. S Fan Motor (B4) Testi Procedure S Fan Motor Control (A177) Configuration and Testing S Top Grille and Fan Motor Mounting Adjustment (FanClearan...
Page 46 - Fan motor speeds
Page 46 506586−01 10/10 Table 16. Fan Motor Control RPM, LED Code and DC Voltage Output Model LED Code* CFM Profile Pin Select ECM1/Y1 4 3 2 1 RPM (J2) DC Volt XP17−024 5 OFF ON ON ON 400 12.7 XP17−030 6 OFF ON ON OFF 450 14.3 XP17−036, −042 8 OFF OFF ON ON 600 19.2 XP17−048, −060 9 OFF OFF OFF ON 6...
Page 47 - Figure 32. Fan Motor Control One Stage LED Sequence of Operation; Figure 33. Fan Blade Clearance Adjustment
Page 47 XP17 SERIES DEMAND BEGINS MISMATCHED RPM DEFAULT FAN MOTOR SPEED USED LED CONTINUOUS FAST FLASH REPLACE FAN MOTOR CONTROL BOARD CRC FAILURE DEFAULT FAN MOTOR SPEED USED LED CONSTANT ON REPLACE FAN MOTOR CONTROL BOARD SINGLE STAGE OR EDA OPERATION ECM1/Y1 ONLY OR ECM2/Y2 ONLY STAGE LED INDICA...
Page 49 - Figure 35. Testing for External Power to Fan Motor Control
Page 49 XP17 SERIES HEAT PUMP CONTROL (A175) CONTROL BOX FAN MOTOR CONTROL (A177) PULSE−WIDTH MODULATION (PWM) ONE YELLOW WIRE FROM PS (E24) TERMINAL ON HEAT PUMP CONTROL (A175) AND SECOND YELLOW WIRES ON PIGGYBACK TERMINALS GOES TO S4 HIGH PRESSURE SWITCH. GREEN RED BROWN RED BLACK RED RED GREEN FA...
Page 50 - TERMINAL
Page 50 506586−01 10/10 HEAT PUMP CONTROL (A175) UNIT NOMINALCAPACITY CODE CONFIGURATION In a communicating system, if the room thermostat isindicating either a error code 313, indoor and outdoor unit capacity mismatch error code, or error code 34, must program unit capacity for outdoor unit . Use t...
Page 51 - Maintenance; DEALER; Belt Drive Blowers −
Page 51 XP17 SERIES Maintenance WARNING This product and/or the indoor unit it is matched with maycontain fiberglass wool. Disturbing the insulation during installation,maintenance, or repair will expose you to fiberglass wooldust. Breathing this may cause lung cancer. (Fiberglasswool is known to th...
Page 52 - HOMEOWNER
Page 52 506586−01 10/10 HOMEOWNER Cleaning of the outdoor unit’s coil should be performed bya trained service technician. Contact your dealer and setup a schedule (preferably twice a year, but at least once ayear) to inspect and service your outdoor unit. Thefollowing maintenance may be performed by...
Page 53 - Signature
Page 53 XP17 SERIES SunSource ® Home Energy System This Dave Lennox Signature ® Collection heat pump is factory−equipped with components that make itSunSource ® solar−ready. These units can be matched with solar modules and other optional equipment so thatthey can become part of a SunSource ® Home E...
Page 54 - XP17 Start−Up and Performance Checklist; START−UP CHECKS
Page 54 506586−01 10/10 XP17 Start−Up and Performance Checklist Customer Address Indoor Unit Model Serial Outdoor Unit Model Serial Solar Module Mfg and Model Serial Notes: START−UP CHECKS Refrigerant Type: Rated Load Amps Actual Amps Rated Volts Actual Volts Condenser Fan Full Load Amps Actual Amps...
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