Manuals / Lennox International Inc / Household Appliance / Heat Pump

Lennox International Inc 506586-01 installation instructions Control Box, Page

Models: Dave Lennox Signature Collection XP17 System HEAT PUMPS 506586-01

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FAN MOTOR CONTROL (A177) PULSE−WIDTH MODULATION (PWM)

CFM Profile Pin Select

JUMPER	JUMPER	LED
OFF	ON

CONTROL BOX

HEAT PUMP

CONTROL (A175)

GREEN

YELLOW

VERIFY DC VOLTAGE OUTPUT USING FAN PWM OUT AND COM TERMINALS. SEE TABLE 16 FOR OPTIMAL DC VOLTAGE BASED ON CFM PROFILE USED.

	J2
COM	COM
	COM
	PARK
	FAN PWM OUT
	FAN PWM OUT

RED

YELLOW

HIGH PRESSURE SWITCH (S4)

YELLOW

GREEN
RED
RED	B4 FAN
	B4 FAN
BLACK MOTOR
BROWN

YELLOW

BLUE

BLACK

YELLOW

FAN MOTOR

CONTROL

SEE TABLE 16 FOR CFM PROFILE

SELECTION OPTIONS.

HEAT PUMP CONTROL (A175)

Figure 34. Fan Motor Control, Wiring, Jumper Settings, Testing and LED Location

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506586−01 10/10

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Lennox International Inc 506586-01, Dave Lennox Signature Collection XP17 System HEAT PUMPS Control Box, Page

FAQ

What is the purpose of the fan motor control?

The fan motor control is used to regulate the fan speed and airflow in the heat pump system.

How do I verify the DC voltage output?

You can verify the DC voltage output by using the fan PWM out and COM terminals. Refer to Table 16 for optimal DC voltage based on the CFM profile used.

Where can I find the wiring, jumper settings, and LED location?

The wiring, jumper settings, and LED location can be found in Figure 34 on page 4850658601 of the manual.

Contents

NOTICE TO INSTALLER UNIT PLACEMENTBRAZING LINE SET TO SERVICE VALVES 2P0611Unit Dimensions −− Inches mm Model Number IdentificationXP17 −036− 230−2 Typical Unit Parts Arrangement CONTROL BOXFigure 1. Typical Parts Arrangement Page Using Manifold Gauge Set Operating Service ValvesShipping and Packing List SERVICE VALVES ANGLE AND BALL Recovering Refrigerant from Existing System long line setsUnit Placement DETAIL B STABILIZING UNIT ON UNEVEN SURFACESDETAIL D Slab Side Mounting DETAIL E Deck Top MountingRemoving and Installing Panels REMOVING AND INSTALLING PANELS LOUVERED PANEL INSTALLATIONFigure 7. Removing and Installing Panels Page LOUVERED PANEL REMOVALNew or Replacement Line Set Figure 8. Line Set Installation Page to be installed on exterior of outside wallREFRIGERANT LINE SET FROM VERTICAL TO HORIZONTAL REFRIGERANT LINE SET ALLING HORIZONTAL RUNSBrazing Connections PageFigure 9. Brazing Procedures Page 1PIPING PANEL REMOVAL AND PREPARING LINE SET2CAP AND CORE REMOVAL service valve bodies and copper tube stub while brazing in the line set! The braze, when completeRefer to procedures provided in this supplement 1. FIRE, PERSONAL INJURY, OR PROPERTYFlushing Line Set and Indoor Coil REMOVAL PROCEDURE UNCASEDOR 1BPROCEDURE UNCASED COIL SHOWN TYPICAL EXISTING FIXED ORIFICEInstalling Indoor Expansion Valve INDOOR EXPANSION VALVE INSTALLATIONSENSING BULB INSTALLATION EQUALIZER LINE INSTALLATIONLeak Test Line Set and Indoor Coil Figure 13. Leak Test PageEvacuating Line Set and Indoor Coil Figure 14. Evacuating System PageCONNECT GAUGE SET EVACUATE THE SYSTEMElectrical Precautions and ProceduresELECTROSTATIC DISCHARGE ESD 3A. ROUTE CONTROL WIRES TING B. ROUTE CONTROL WIRES TING4ROUTE HIGH VOLTAGE AND GROUND WIRES ACCESS VIEWFigure 15. Typical XP17 Wiring Page506586−01 10/10 Heat Pump Control A175 Jumpers and Terminals DS11 and DS14DS13 and DS15 DS12Page Field Control Wiring PagePage Servicing Units Delivered Void of Charge Unit Start−UpSystem Refrigerant GAUGE SETADDING OR REMOVING REFRIGERANT Figure 21. Using HFC−410A Weigh In Method WEIGH IN CHARGING METHODSUBCOOLING CHARGING METHOD PageTable 4. XP17−024 Table 5. XP17−030Table 6. XP17−036 Table 7. XP17−042Operating and Temperature Pressures System Operations Defrost SystemUNIT SENSORS Page MULTI−FUNCTION TEST PINS E33 O Line StatusIf in COOLING Mode If in DEFROST ModeFigure 28. Low Pressure S87 Switch Operation Page Page Figure 30. W Input Fault or Miswire Page Page System Status, Fault and Lockout LED Codes Heat Pump Control Heat Pump Control Page Heat Pump Control Field Configuration and Testing Table 17. Fan Motor Control Error/Fault LED Codes Figure 33. Fan Blade Clearance Adjustment Page CONTROL BOX PageCONTROL BOX PageSTRIP Maintenance DEALERHOMEOWNER SunSource Home Energy System XP17 Start−Up and Performance Checklist START−UP CHECKSCOOLING MODE HEATING MODE