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Lennox International Inc. 506586-01 manuel d'utilisation

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  • Page 1

    06/1 1 506586−01 *2P0611* *P506586-01* Page 1 E 201 1 Lennox Industries Inc. Dallas, T exas, USA RET AIN THESE INSTRUCTIONS FOR FUTURE REFERENCE These instructions are intended as a general guide and do not supersede local codes in any way . Consult authorities having jurisdiction before inst allation. NOTICE T O INST ALLER It is critical for pro[...]

  • Page 2

    Page 2 506586−01 10/10 Unit Dimensions −− Inches (mm) 4−5/8 (1 17) 39−1/2 (1003) 35−1/2 (902) 18−1/2 (470) 8 (203) 1 (25) 4−7/16 (1 13) LIQUID LINE INLET V APOR LINE INLET ELECTRICAL INLETS BASE WITH ELONGA TED LEGS SIDE VIEW ACCESS VIEW DISCHARGE AIR 37 (940) [−024 THRU −042] 47 (1 194) [−048 AND −060] 16−7/8 (429) 8−3/[...]

  • Page 3

    Page 3 XP17 SERIES T ypical Unit Parts Arrangement V APOR V AL VE AND GAUGE POR T DISCHARGE LINE REVERSING VA LV E LIQUID LINE BI−FLOW FIL TER DRIER HIGH PRESSURE SWITCH (S4) LIQUID V AL VE AND GAUGE PORT TRUE SUCTION LINE PORT MUFFLER LOW PRESSURE SWITCH (S87) CRANKCASE HEA TER THERMOST A T (S40) CHECK EXP ANSION VA LV E TRUE SUCTION LINE HR1 CR[...]

  • Page 4

    Page 4 506586−01 10/10 W ARNING Impr oper installation, adjustm ent, alterat ion, serv ice or maintenanc e can cause personal injury , los s of life, or damage to property . Installation and service must be performed by a licensed professional inst aller (or equivalent) or a service agency . CAUTION Physical contact with metal edges and corners w[...]

  • Page 5

    Page 5 XP17 SERIES (V AL VE STEM SHOWN CLOSED) INSERT HEX WRENCH HERE SERVICE PORT CORE SER VICE PORT CAP ANGLE−TYPE SERVICE V AL VE (FRONT−SEA TED CLOSED) TO OUTDOOR UNIT STEM CAP (V AL VE STEM SHOWN OPEN) INSER T HEX WRENCH HERE TO INDOOR UNIT ANGLE−TYPE SERVICE VALVE (BACK−SEATED OPENED) BALL (SHOWN CLOSED) SER VICE PORT CORE TO INDOOR U[...]

  • Page 6

    Page 6 506586−01 10/10 Recovering Refrigerant from Existing System SER VICE DISCONNECT SWITCH Disconnect all power to the existing outdoor unit at the disconnect switch or main fuse box/breaker panel. DISCONNECT POWER CONNECT MANIFOLD GAUGE SET MANIFOLD GAUGES RECOVER Y MACHINE CLEAN RECOVERY CYLINDER OUTDOOR UNIT HIGH LOW Connect a gauge set, cl[...]

  • Page 7

    Page 7 XP17 SERIES CONTROL P ANEL ACCESS LOCA TION 6 (152) 36 (914) 12 (305) 30 (762) LINE SET CONNECTIONS 24 (610) LINE SET CONNECTIONS ACCESS P ANEL REAR VIEW OF UNIT 48 (1219) MINIMUM CLEARANCE BETWEEN TWO UNITS CLEARANCE ON ALL SIDES  INCHES (MILLIMETERS) ACCESS P ANEL MINIMUM CLEARANCE ABOVE UNIT NOTES: S CLEARANCE TO ONE OF THE OTHER THREE[...]

  • Page 8

    Page 8 506586−01 10/10 LEG DET AIL BASE 2" (50.8MM) SCH 40 FEMALE THREADED ADAPTER Concrete slab  use two plastic anchors (hole drill 1/4") W ood or plastic slab  no plastic anchor (hole drill 1/8") COIL BASE P AN CORNER POST ST ABILIZING BRACKET (18 GAUGE MET AL  2" WIDTH; HEIGHT AS REQUIRED)  Slab Side Mounting #[...]

  • Page 9

    Page 9 XP17 SERIES ST ABILIZING UNIT ON UNEVEN SURF ACES IMPORT ANT Unit S tabilizer Bracket Use (field−provided): Always use stabilizers when unit is raised above the factory height. (Elevated units could become unst able in gusty wind conditions). S tabilizers may be used on factory height units when mounted on unstable an uneven surface. 1. Re[...]

  • Page 10

    Page 10 506586−01 10/10 REMOVE 4 SCREWS TO REMOVE P ANEL FOR ACCESSING COMPRESSOR AND CONTROLS. Position panel with holes aligned; install screws and tighten. Det ail A Det ail B ROT A TE IN THIS DIRECTION; THEN DOWN TO REMOVE P ANEL SCREW HOLES LIP Panel shown slightly rotated to allow top tab to exit (or enter) top slot for removing (or install[...]

  • Page 11

    Page 1 1 XP17 SERIES New or Replacement Line Set REFRIGERANT LINE SET This section provides information on installation or replacement of existing line set. If new or replacement line set is not being installed then proceed to Brazing Connections on p age 13. IMPORT ANT Lennox highly recommends changing line set when converting the existing system [...]

  • Page 12

    Page 12 506586−01 10/10 ANCHORED HEA VY NYLON WIRE TIE OR AUT OMOTIVE MUFFLER-TYPE HANGER STRAP LIQUID LINE TO V APOR LINE W ALL STUD LIQUID LINE NON−CORROSIVE MET AL SLEEVE V APOR LINE − WRAPPED IN ARMAFLEX AUT OMOTIVE MUFFLER-TYPE HANGER REFRIGERANT LINE SET  TRANSITION FROM VERTICAL TO HORIZONT AL Line Set Isolation  The following il[...]

  • Page 13

    Page 13 XP17 SERIES Brazing Connections Use the procedures outline in figures 9 and 1 0 for brazing line set connections to service valves. W ARNING Danger of fire. Bleeding the refrigerant charge from only the high side may result in pressurization of the low side shell and suction tubing. Application of a brazing torch to a pressurized system may[...]

  • Page 14

    Page 14 506586−01 10/10 A TT ACH THE MANIFOLD GAUGE SET FOR BRAZING LIQUID AND SUCTION / V APOR LINE SERVICE V AL VES OUTDOOR UNIT LIQUID LINE SUCTION / V APOR LINE LIQUID LINE SERVICE VA LV E SUCTION / V APOR LINE SER VICE VA LV E A TTACH GAUGES INDOOR UNIT SUCTION / V APOR SER VICE PORT MUST BE OPEN AND SERVICE POR T CORE REMOVED TO ALLOW EXIT [...]

  • Page 15

    Page 15 XP17 SERIES BRAZE LINE SET W ater saturated cloths must remain water saturated throughout the 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 services valves to cool piping. Once piping is cool, remove all water satur[...]

  • Page 16

    Page 16 506586−01 10/10 Flushing Line Set and Indoor Coil SENSING LINE TEFLON ® RING FIXED ORIFICE BRASS NUT LIQUID LINE ASSEMBL Y (INCLUDES STRAINER) LIQUID LINE ORIFICE HOUSING DISTRIBUT OR TUBES DISTRIBUT OR ASSEMBL Y REMOVE AND DISCARD WHITE TEFLON ® SEAL (IF PRESENT) A On fully cased coils, remove the coil access and plumbing panels. B Rem[...]

  • Page 17

    Page 17 XP17 SERIES Installing Indoor Exp ansion V alve This outdoor unit is designed for use in systems that use check exp ansion valve metering device. Se e t he Lennox XP17 Engineering Handbook f o r a pp r ov ed c h ec k ex pan si on v a lv e kit m at c h− u ps a nd a pp li c at i on inf o r m at io n . The check expansion valve unit can be i[...]

  • Page 18

    Page 18 506586−01 10/10 IMPORT ANT The Environmental Protection Agency (EP A) prohibit s the intentional venting of HFC refrigerants during maintenance, service, repair and disposal of appliance. Approved methods of recovery , recycling or reclaiming must be followed. IMPORT ANT If this unit is bei ng matched wi t h an approved line set or indoor[...]

  • Page 19

    Page 19 XP17 SERIES Evacuating Line Set and Indoor Coil A Open both manifold valves and start the vacuum pum p. 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 manifold gauge valve at least once. A rapid rise in [...]

  • Page 20

    Page 20 506586−01 10/10 IMPORT ANT Use a thermocouple or thermistor electronic vacuum gauge that is calibrated in microns. Use an instrument capable of accurately measuring down to 50 microns. W ARNING Danger of Equipm ent Damage. A void deep vacuum operation. Do not use compressor s to evacuate a system. Extremely low vacuums can cause internal [...]

  • Page 21

    Page 21 XP17 SERIES NOTE  For proper voltages, select control wires gauge per table below . WIRE RUN LENGTH A WG# INSULA TION TYPE LESS THAN 100’ (30 METERS) 18 TEMPERA TURE RATING MORE THAN 100’ (30 METERS) 16 35ºC MINIMUM. NOTE  Wire tie provides low voltage wire strain relief and to maintain separation of field installed low and high [...]

  • Page 22

    Page 22 506586−01 10/10 Figure 15. T ypical XP17 Wiring[...]

  • Page 23

    Page 23 XP17 SERIES Heat Pump Control (A175) Jumpers and T erminals 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 DELA Y SECOND DELA Y 0 LED ALER T CODES RECEIVING DA T A INDICA TOR (COMMUNICA TION MODE ONL Y) HEA T PUMP CONTR[...]

  • Page 24

    Page 24 506586−01 10/10 T able 3. Heat Pump Control (A175) Jumper and T erminal 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 service light connection. Y2 24VAC thermostat input/[...]

  • Page 25

    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 metal jumper 4 3 1. Thermostat T terminals are [...]

  • Page 26

    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 used for outdoor sensor input. Use for ther[...]

  • Page 27

    Page 27 XP17 SERIES Servicing Unit s Delivered V oid of Charge If the out door unit is void of refrigerant, clean the system using 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 the vacuum and install a new filter drier in[...]

  • Page 28

    Page 28 506586−01 10/10 ADDING OR REMOVING REFRIGERANT This system uses HFC−410A refrigerant which operates at much higher pressures than HCFC−22. The pre−installed liquid line filter drier is approved for use with HFC−410A only . Do not replace it with components designed for use with HCFC−22. COOLING MODE INDOOR AIRFLOW CHECK Check ai[...]

  • Page 29

    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 LI NE 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 M) *If line length is greater than 15 ft. (4.6[...]

  • Page 30

    Page 30 506586−01 10/10 Air Handler / Coil Match up s and T argeted Subcooling V alues Listed below are the targeted subcooling and charging values for approved indoor unit air handler / coil match up s. This information is also listed on the unit charging sticker located on the access panel. * Indicates amount of charge required in additional to[...]

  • Page 31

    Page 31 XP17 SERIES Operating and T emperature Pressures Minor variations in these pressures may be expected due to dif ferences in installations. Significant dif ferences could mean that the system is not properly charged or that a problem exists with some component in the system. The normal operating pressures listed here are also located on the [...]

  • Page 32

    Page 32 506586−01 10/10 System Operations IMPORT ANT Some scroll compressor have internal vacuum protector that will unload scrolls when suction pressure goes below 20 psig. A hissing sound will be heard when the compressor is running unloaded. Protector will reset when low pressure in system is raised above 40 psig. DO NOT REPLACE COMPRESSOR. Th[...]

  • Page 33

    Page 33 XP17 SERIES UNIT SENSORS Sensors connect to the heat pump control through a field-replaceable harness assembly that plugs into the control. Through the sensors, the heat pump control detects outdoor ambient and coil temperature fault conditions. As the detected temperature changes, the resistance across the sensor changes. t able 13 shows h[...]

  • Page 34

    Page 34 506586−01 10/10 Continue to accu m ula te run time. Heat pump control monitors mode of operation through outdoor ambient temperature (R T13), outdoor coil temperature (R T21) and compressor run−time to determine when a defrost cycle is required. Defrost Calibration Defrost Mode Coil temperature sensor input (RT21) reached specified de- [...]

  • Page 35

    Page 35 XP17 SERIES MUL TI−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 to clear the coil When Y1 is energized and 24V[...]

  • Page 36

    Page 36 506586−01 10/10 Y1 DEMAND LOW PRESSURE SWITCH (S87) COMPRESSOR CONT ACTOR ENERGIZED INITIAL TRIP SWITCH IS IGNORED FOR 90 SECONDS LOW PRESSURE SWITCH (S87) COMPRESSOR CONT ACTOR DE−ENERGIZED COMPRESSOR ANTI−SHOR T CYCLE TIMER BEGINS INCREMENT 5−STRIKE COUNTER 1 LED ALERT CODE / OR MODERA TE ALER T 410 DISPLA YED ANTI−SHOR T CYCLE [...]

  • Page 37

    Page 37 XP17 SERIES Y1 DEMAND HIGH PRESSURE SWITCH (S4) COMPRESSOR CONT ACTOR ENERGIZED HIGH PRESSURE SWITCH (S4) COMPRESSOR CONT ACTOR DE−ENERGIZED COMPRESSOR ANTI−SHOR T CYCLE TIMER BEGINS INCREMENT 5−STRIKE COUNTER 1 LED ALERT CODE / OR MODERA TE ALER T 412 DISPLA YED ANTI−SHOR T CYCLE TIMER ENDS COMPRESSOR CONT ACTOR ENERGIZED HIGH PRES[...]

  • Page 38

    Page 38 506586−01 10/10 Y1 DEMAND COMPRESSOR CONT ACTOR ENERGIZED INITIAL TRIP SWITCH IS IGNORED FOR 90 SECONDS W OUTPUT ACTIVE) COMPRESSOR CONT ACTOR DE−ENERGIZED COMPRESSOR ANTI−SHOR T CYCLE TIMER BEGINS INCREMENT 5−STRIKE COUNTER 1 LED ALERT CODE / OR MODERA TE ALER T 418 DISPLA YED ANTI−SHOR T CYCLE TIMER ENDS W OUTPUT HARDW ARE F AUL[...]

  • Page 39

    Page 39 XP17 SERIES T able 13. Ambient (RT13) and Coil (RT21) Sensors T emperature / Resistance Range Degrees Fahrenheit Resistance Degrees Fahrenheit Resistance Degrees Fahrenheit Resistance Degrees Fahrenheit Resistance 136.3 2680 56.8 16657 21.6 44154 −1 1.3 123152 133.1 2859 56.0 16973 21.0 44851 −1 1.9 125787 130.1 3040 55.3 17293 20.5 455[...]

  • Page 40

    Page 40 506586−01 10/10 System S tatus, Fault and Lockout LED Codes LED codes are displayed using various LEDs located on th e heat pump control (A175). See figure 16 for locations o f heat pump control LEDs. DS1 1 AND DS14  SYSTEM ST A TUS, FAUL T AND LOCKOUT LED CODES DS1 1 (Green) and DS14 (Red) LEDs indicat e non−com municating m ode d i[...]

  • Page 41

    Page 41 XP17 SERIES System fault and lockout LED (DS1 1 / DS14) alarm codes takes precedence over system status LED codes (cooling, heating stages or defrost/dehumidification). Only the latest active LED fault or lockout alarm code if present will be displayed. If no fault or lockout codes are active, then system status LEDs are routinely displayed[...]

  • Page 42

    Page 42 506586−01 10/10 System fault and lockout LED (DS1 1 / DS14) alarm codes takes precedence over system status LED codes (cooling, heating stages or defrost/dehumidification). Only the latest active LED fault or lockout alarm code if present will be displayed. If no fault or lockout codes are active, then system status LEDs are routinely dis[...]

  • Page 43

    Page 43 XP17 SERIES T ab le 15. Co mpressor Fau lt and Locko ut LE D Co des and Rel ated icom fort T o uch ® Th ermostat Alert Co des NOTE  See notes 1 and 2 in table below for duration of fast / slow flashes and p ause. Heat Pump Control LEDs icomfort T ouch ® Thermost at Display Condition Possible Cause(s) Solution Clearing St atus DS15 Y el[...]

  • Page 44

    Page 44 506586−01 10/10 Heat Pump Control LEDs Clearing St atus Solution Possible Cause(s) Condition icomfort T ouch ® Thermost at Display DS15 Y ellow Clearing St atus Solution Possible Cause(s) Condition icomfort T ouch ® Thermost at Display DS13 Red 4 flashes then pause Of f Critical Alert Code 404 Locked rotor Compressor has a locked out du[...]

  • Page 45

    Page 45 XP17 SERIES Field Configuration and T esting This section provides procedures for configuring, adjusting and testing various component s of this unit. S Fan Motor (B4) T esti Procedure S Fan Motor Control (A177) Configuration and T esting S T op Grille and Fan Motor Mounting Adjustment (Fan Clearance) S Heat Pump Control (A175) Unit Nominal[...]

  • Page 46

    Page 46 506586−01 10/10 T able 16. Fan Motor Control RPM, LED Code and DC V oltage Output Model LED Code* CFM Profile Pin Select ECM1/Y1 4 3 2 1 RPM (J2) DC V olt 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 675 21.6 * LED Code indicates fan [...]

  • Page 47

    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 INDICATOR: ONE SLOW FLASH AND ONE SHORT PAUSE FOR SINGLE[...]

  • Page 48

    Page 48 506586−01 10/10 HEA T PUMP CONTROL (A175) CONTROL BOX F AN MOT OR CONTROL (A177)  PULSE−WIDTH MODULA TION (PWM) JUMPER OFF JUMPER ON J2 LED CFM Profile Pin Select VERIFY DC VO L T AGE OUTPUT USING F AN PWM OUT AND COM TERMINALS. SEE T ABLE 16 FOR OPTIMAL DC VOL T AGE BASED ON CFM PROFILE USED. COM F AN PWM OUT F AN PWM OUT P ARK COM [...]

  • Page 49

    Page 49 XP17 SERIES HEA T PUMP CONTROL (A175) CONTROL BOX F AN MOT OR CONTROL (A177)  PULSE−WIDTH MODULA TION (PWM) ONE YELLOW WIRE FROM PS (E24) TERMINAL ON HEA T PUMP CONTROL (A175) AND SECOND YELLOW WIRES ON PIGGYBACK TERMINALS GOES TO S4 HIGH PRESSURE SWITCH. GREEN RED BROWN RED BLACK RED RED GREEN F AN MOTOR CONTROL YELLOW BLACK YELLOW BL[...]

  • Page 50

    Page 50 506586−01 10/10 HEA T PUMP CONTROL (A175) UNIT NOMINAL CAP ACITY CODE CONFIGURA TION In a communicating system, if the room thermostat is indicating either a error code 313, indoor and out door unit cap acity mismatch error code, or error code 34, must program unit cap acity for outdoor unit . Use the procedure provided i n figure 36 to s[...]

  • Page 51

    Page 51 XP17 SERIES Maintenance W ARNING This product and/or the indoor unit it is matched with may contain fiberglass wool. Disturbing the insulation during installation, maintenance, o r r ep air wil l expose you to fiberglass wool dust. Breathing this may cause lung cancer . (Fiberglass wool i s known to the S t ate of California to cause cancer[...]

  • Page 52

    Page 52 506586−01 10/10 HOMEOWNER Cleaning of the outdoor unit’s coil should be performed by a trained service technician. Cont act your dealer and set up a schedule (preferably twice a year , but at least once a year) to inspect and service your outdoor unit. The following maintenance may be performed by the homeowner . IMPORT ANT S prinklers [...]

  • Page 53

    Page 53 XP17 SERIES SunSource ® Home Energy System This Dave Lennox Signature ® Collection heat pump is factory−equipped with components that make it SunSource ® solar−ready. These units can be matched with solar modules and other optional equipment so that they can become part of a SunSource ® Home Energy System. Units can be upgraded for [...]

  • Page 54

    Page 54 506586−01 10/10 XP17 St art−Up and Performance Checklist Customer Address Indoor Unit Model Serial Outdoor Unit Model Serial Solar Module Mfg and Model Serial Notes: ST ART−UP CHECKS Refrigerant T ype: Rated Load Amps Actual Amps Rated V olts Actual V olts Condenser Fan Full Load Amps Actual Amps: COOLING MODE V apor Pressure: Liquid [...]