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Lennox XC20-024-230-01, Инструкция по установке и обслуживанию

Кондиционер Lennox XC20-024-230-01 предлагает эффективное охлаждение и отопление для вашего дома. Руководство по установке и обслуживанию доступно для скачивания бесплатно с нашего веб-сайта. Наслаждайтесь комфортом в вашем доме с помощью этого надежного устройства от Lennox. Скачайте руководство с manualshive.com.

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46

XC20

Figure 23. Typical Unit Wiring (XC20-048 and -060)

Содержание XC20-024-230-01

Страница 1: ...d professional installer or equivalent or a service agency TABLE OF CONTENTS I OVERVIEW Model Number Identification 2 Typical Serial Number Identification 2 Specifications 2 Electrical Data 3 Unit Dim...

Страница 2: ...erant Charge2 Number of Blades Diameter inches Maximum Minimum XC20 024 230 01 72 65 7 lbs 5 oz 4 22 Model Number Unit Outdoor Fan Sound Rating Number dB 1 Factory Refrigerant Charge2 Number of Blades...

Страница 3: ...13 0 1 4 3600 3100 700 600 115 80 2 8 208 230V 60 Hz 1 Ph Model Number Unit Compressor Outdoor Fan RPM varies with compressor RPM Maximum Over current Protection amps 1 Minimum Circuity Ampacity2 Rate...

Страница 4: ...FC 22 must be flushed CAUTION As with any mechanical equipment contact with sharp sheet metal edges can result in personal injury Take care while handling this equipment and use protective clothing WA...

Страница 5: ...ROL INVERTER REACTOR DC INVERTER CONTROL CONTACTOR SPST GROUND LUG CONTACTOR SPST OUTDOOR CONTROL INVERTER NOISE FILTER INVERTER REACTOR CONTROL PANEL FOR XC20 024 AND 036 CONTROL PANEL FOR XC20 048 A...

Страница 6: ...PRESSURE SWITCH LOW PRESSURE SWITCH Figure 2 Plumbing Component Locations IMPORTANT This unit must be matched with an indoor coil as specified in Lennox Product Specification bulletin Coils previousl...

Страница 7: ...ommended Torque Service valve cap 8 ft lb 11 NM Sheet metal screws 16 in lb 2 NM Machine screws 10 28 in lb 3 NM Compressor bolts 90 in lb 10 NM Gauge port seal cap 8 ft lb 11 NM TORQUE REQUIREMENTS W...

Страница 8: ...TURN To Access Service Port A service port cap protects the service port core from contamination and serves as the primary leak seal 1 Remove service port cap with an appropriately sized wrench 2 Conn...

Страница 9: ...ex tending the height of the unit support feet Use a 2 inch 50 8mm Schedule 40 female threaded adapter to raise the height of the unit The specified coupling will fit snugly into the recessed por tio...

Страница 10: ...ail D us ing conventional practices 3 Replace the panels after installation is complete ROOF MOUNTING Locate the unit above a load bearing wall or area of the roof that can adequately support the unit...

Страница 11: ...SLAB NO PLASTIC ANCHOR HOLE DRILL 1 8 INSTALL UNIT LEVEL OR IF ON A SLOPE MAINTAIN SLOPE TOLERANCE OF 2 DEGREES OR 2 INCHES PER 5 FEET 50 MM PER 1 5 M AWAY FROM BUILDING STRUCTURE MOUNTING SLAB BUILDI...

Страница 12: ...then upward into the top slot of the hinge corner post 2 Rotate the panel until it is completely vertical to fully en gage all of the tabs 3 Holding the panel s hinged side firmly in place close the...

Страница 13: ...ANT If this unit is being matched with an approved line set or indoor unit coil that was previously charged with mineral oil or if it is being matched with a coil which was manufactured before January...

Страница 14: ...Sets Liquid Line Suction Line L15 Line Set Model Line Set Length Catalog Number XC20 024 230 XX 3 8 10 mm 3 4 19 mm L15 41 30 30 feet 9 1 m 89J60 XC20 036 230 XX XC20 048 230 XX 3 8 10 mm 7 8 22 mm L...

Страница 15: ...BE USED IF LINE SET IS TO BE INSTALLED ON EXTERIOR OF OUTSIDE WALL PVC PIPE FIBERGLASS INSULATION CAULK OUTSIDE WALL VAPOR LINE WRAPPED WITH ARMAFLEX LIQUID LINE OUTSIDE WALL LIQUID LINE VAPOR LINE WO...

Страница 16: ...lth Avoid breathing vapors or fumes from brazing operations Perform operations only in well ventilated areas Wear gloves and protective goggles or face shield to protect against burns Wash hands with...

Страница 17: ...EN HIGH LOW B A C PIPING PANEL REMOVAL AND LINE SET PREPARATION CAP AND CORE REMOVAL Remove piping panel for easier access to service valves Cut ends of the refrigerant lines square free from nicks or...

Страница 18: ...SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WRAP SERVICE VALVES To help protect service valve seals during brazing wrap water saturated cloths around service...

Страница 19: ...OW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD INVERTED HCFC 22 CYLINDER CONTAINS CLEAN HCFC 22 TO BE USED FOR FLUSHING LIQUID LINE SERVICE VALVE INLET DISCHARGE TANK RETURN CLOSED OPENED RECOVERY CYLIND...

Страница 20: ...PLICATION INFORMATION A REMOVE THE FIELD PROVIDED FITTING THAT TEMPORARILY RECON NECTED THE LIQUID LINE TO THE INDOOR UNIT S DISTRIBUTOR AS SEMBLY B INSTALL ONE OF THE PROVIDED TEFLON RINGS AROUND THE...

Страница 21: ...set must be flushed prior to installation Take care to empty all existing traps Polyol ester POE oils are used in Lennox units charged with HFC 410A refrigerant Residual mineral oil can act as an ins...

Страница 22: ...GEN WITH A PRESSURE REGULATING VALVE TO THE CENTER PORT OF THE MANIFOLD GAUGE SET D ADJUST DRY NITROGEN PRESSURE TO 150 PSIG 1034 KPA OPEN THE VALVE ON THE HIGH SIDE OF THE MANIFOLD GAUGE SET IN ORDER...

Страница 23: ...DOES NOT RISE ABOVE 500 MICRONS 29 9 INCHES OF MERCURY WITHIN A 20 MINUTE PERIOD AFTER SHUTTING OFF THE VACUUM PUMP AND CLOSING THE MANIFOLD GAUGE VALVES F WHEN THE ABSOLUTE PRESSURE REQUIREMENT ABOVE...

Страница 24: ...g the circuit between terminals R and L on the outdoor control The 24VAC input to terminalL activates the load shedding mode in the outdoor control cycling the outdoor unit OFF The 7 Segment display o...

Страница 25: ...elow Use a wire nut to bundle the four unused wires at each end of the cable Each bundle should also include an additional wire that should be connected on each end to the C terminal as shown in the f...

Страница 26: ...electrostatic potential Neutralize electrostatic charge by touching hand and all tools on an unpainted unit surface before performing any service procedure STEP 3 ELECTRICAL Continued Outdoor Control...

Страница 27: ...th the HI PS and TC N A Switched 24VAC Nominal N A Cntctr Contactor common N A 24VAC common Fan PWM PWM fan output N A 10 97 duty cycle 19 23 VDC peak N A COM PWM fan common connection N A N A Fan PWM...

Страница 28: ...ter Connects to Tx of inverter Outdoor control communication receive pin P6 Pin 4 Inv 5V Inverter 5VDC volts Inverter 5VDC volts LIQ Liquid line temperature sensor sup ply N A N A N A LIQ Liquid line...

Страница 29: ...ized 24 hours before unit start up to prevent compressor damage as a result of slugging 1 Rotate fan to check for binding 2 Inspect all factory and field installed wiring for loose connections 3 After...

Страница 30: ...cases errors are re lated to electrical noise Make sure high voltage power is separated from RSBus Check for mis wired and or loose connections between the stat indoor unit and outdoor unit Check for...

Страница 31: ...with refrigerant Check TXV indoor unit blower motor dirty filters or clogged refrigerant filter Confirm that the evaporator coil is clean The alarm clears after the pressure switch opens or after a p...

Страница 32: ...e rises above limit for more than 5 minutes E 426 N A N A N A Critical Excessive inverter alarms After ten faults within one hour control is locked out indic ating poor system operation Review history...

Страница 33: ...for proper main power to outdoor unit and for any loose electrical connections 2 Outdoor control boards with part 103686 03 have software update to delay the de energizing of the revers ing valve by f...

Страница 34: ...tion is detected outdoor unit will stop compressor and fan Anti short cycle is initiated If con dition occurs 5 times within an hour system will lock out To clear disconnect power to outdoor unit and...

Страница 35: ...he outdoor unit is locked out When compressor thermal protection sensor opens five times within one hour outdoor stops working To clear disconnect power to outdoor unit and restart E 443 N A N A N A C...

Страница 36: ...R These are just examples of firmware version unit type unit nominal capacity and unit codes UNIT CODE UNIT TYPE SIZE AND MODEL NOT PROGRAMMED 2 TON HEAT PUMP XP20 024 3 TON HEAT PUMP XP20 036 4 TON H...

Страница 37: ...Cycle Shows current percentage of maximum cooling capacity Example to the right indicates a cooling demand of 50 percent and a outdoor fan speed of 700 RPM The demand percentage is displayed first fol...

Страница 38: ...de and the control performs the selected function NOTE See table 6 for explanation of codes Figure 16 Push Button Operation Unit Selection Code for Outdoor Control If the single character display show...

Страница 39: ...cond time period the control exits the test mode If this occurs test mode must be repeated Error Code Recall Mode NOTE control must be in idle mode To enter error code recall mode push and hold button...

Страница 40: ...uration and test mode Idle mode decimal flashes at 1 Hertz 0 5 second ON 0 5 second OFF Cooling operation Shows and the cooling demand percentage Example pause pause Fan RPM Shows and the current fan...

Страница 41: ...l and liquid line temperature information All temperatures are dis played in Fahrenheit Outdoor control is either in IDLE mode or heating cooling demand To enable temperature display push and hold but...

Страница 42: ...CTED Configuring Unit Selection Code Power up Unit selection code two digit number displayed represents unit size code outdoor unit capacity During initial power up firmware version unit type unit cap...

Страница 43: ...ion is available through the thermostat s user interface Refer to the applicable In staller System Setup Guide D Compressor anti short cycle delay timer status D Cooling rate D Compressor shift delay...

Страница 44: ...flushed with a water hose D Outdoor Coil Coastal Area Moist air in ocean loca tions can carry salt which is corrosive to most metal Units that are located near the ocean require frequent inspections...

Страница 45: ...45 XC20 Unit Wiring Diagrams Figure 22 Typical Unit Wiring XC20 024 and 036...

Страница 46: ...46 XC20 Figure 23 Typical Unit Wiring XC20 048 and 060...

Страница 47: ...or more information on Load Shedding feature see Electrical on page 24 XC20 or XP20 iComfort Outdoor Unit Wiring Detail with Utility Load Shedding XC20 OUTDOOR CONTROL Figure 24 Load Shedding Feature...

Страница 48: ...48 XC20 Factory Wiring Diagrams Figure 25 Typical Factory Wiring XC20 024 and 036...

Страница 49: ...49 XC20 Figure 26 Typical Factory Wiring XC20 048 and 060...

Страница 50: ...M of the outdoor fan motor 3 View the AIR HANDLER screen for actual CFM of the indoor blower motor From idle mode Outdoor Control 1 Sends a demand to the compressor inverter to start and run the compr...

Страница 51: ...REACHES 5 WITHIN A SINGLE Y1 DEMAND LOW PRESSURE SWITCH S87 LOCKOUT LED ALERT CODE OR CRITICAL ALERT 411 DISPLAYED SERVICE REQUIRED2 LED ALERT CODE OR MODERATE ALERT 410 DISPLAYED SERVICE REQUIRED2 NO...

Страница 52: ...MAND HIGH PRESSURE SWITCH S4 LOCKOUT LED ALERT CODE OR CRITICAL ALERT 413 CLEARED SERVICE REQUIRED2 LED ALERT CODE OR MODERATE ALERT 412 DISPLAYED NORMAL OPERATION CLOSED CLOSED OPEN OPEN OPEN CLOSED...

Страница 53: ...Operation 75 Verifying High and Low Pressure Switch Operation OPERATION The unit s pressure switches LO PS S87 and HI PS S4 are factory wired into the control on the LO PS and HI PS termin als respect...

Страница 54: ...D ALERT CODE OR CRITICAL ALERT 411 DISPLAYED SERVICE REQUIRED2 LED ALERT CODE OR MODERATE ALERT 410 DISPLAYED SERVICE REQUIRED2 NORMAL OPERATION CLOSED CLOSED OPEN OPEN 1 The thermostat will terminate...

Страница 55: ...HIGH PRESSURE SWITCH S4 LOCKOUT LED ALERT CODE OR CRITICAL ALERT 413 CLEARED SERVICE REQUIRED2 LED ALERT CODE OR MODERATE ALERT 412 DISPLAYED NORMAL OPERATION CLOSED CLOSED OPEN OPEN OPEN CLOSED CLOSE...

Страница 56: ...The high pressure switch opens at 590PSIG and closes at 418PSIG Confirm that the system is prop erly charged with refrigerant Check for clogged TXV blockage to indoor unit blower motor clogged refrige...

Страница 57: ...ected outdoor unit compressor and fan stop Anti short cycle is initiated If condition occurs 10 times within an hour system is locked out Indicates poor connection at compressor harness improper windi...

Страница 58: ...r tear down of inverter indicates that the screws that hold the inverter to the inverter board were loose causing poor contact between these two components Corrective action Tighten screws that hold t...

Страница 59: ...results in the heater being de energized Belly Band Crankcase Heater 240VAC 40 Watts Crankcase Heater Thermostat Figure 35 Belly Band Crankcase Heater Thermostat CHECKOUT Belly Band Crankcase Heater U...

Страница 60: ...n wanted operating sounds from the compressor The cover features a hook loop closure system for ease of installation on the compressor Figure 38 Compressor Sound Cover Liquid Line Filter Drier A filte...

Страница 61: ...oses when the compressor casing temperature falls to 151 187 F and the compressor is re energized This is a single pole single throw SPST bi metallic switch TOP OF COMPRESS0R SWITCH COVER COMPRESSOR T...

Страница 62: ...h has opened 5 times within one hour As a result the outdoor unit is locked out When compressor thermal protection sensor opens 5 times within 1 hour outdoor stops working To clear disconnect power to...

Страница 63: ...ts have an external device see illustration below NOTE A line filter is an electronic filter which is placed between electronic equipment and an external power source in order to attenuate conducted r...

Страница 64: ...30 thermostat CHECKOUT VAC Voltage Check Check for 208 240 VAC power at inverter contactor red wires see figure 45 With unit operating check for main VAC to motor and outdoor control VDC output to mot...

Страница 65: ...r control therefore no status or error codes are displayed on either the outdoor control or iComfort Wi Fi or iComfort S30 room thermostat NOTE If the outdoor fan does not operate at the correct RPM o...

Страница 66: ...fault and lockout codes take precedence over system status codes cooling heating operating percentages or defrost dehumidification Only the latest active fault or lockout codes are displayed if prese...

Страница 67: ...munication is re established E 125 Critical There is a hardware problem with the outdoor control There is a control hardware problem Replace the outdoor control if the problem pre vents operation and...

Страница 68: ...that plugs into the outdoor control Through the sensors the control detects outdoor ambient coil and liquid temperature fault conditions As the detected tem perature changes the resistance across the...

Страница 69: ...61693 26 2 204829 92 0 7007 42 3 24525 9 9 62712 27 0 210805 90 6 7225 41 7 24934 9 3 63752 27 8 217080 89 4 7444 41 1 25349 8 8 64812 28 7 223677 88 1 7666 40 5 25769 8 3 65895 29 5 230621 86 9 7890...

Страница 70: ...of coil sensor range Outdoor unit control will not perform demand or time temperature defrost operation System will still heat or cool Check the resistance of the coil sensor and compare to temperatu...

Страница 71: ...ert Codes and Inverter LED Flash Codes NOTE System fault and lockout codes take precedence over system status codes cooling heating operating percentages or defrost dehumidification Only the latest ac...

Страница 72: ...and 5 ton models within 30 seconds the outdoor control will dis play a moderate code 2 Capacitors on inverter do not properly charge Corrective Actions 1 check for proper main power to outdoor unit an...

Страница 73: ...s cycled to the inverter 3 times the outdoor unit is locked out E 436 62 6 flashes 2 flashes Moderate Critical Inverter heat sink temperat ure exceeded limit Occurs when the heat sink temperat ure exc...

Страница 74: ...er than the actual Hz Alarm is automatically clear E 440 13 1 flash 3 flashes Moderate Heat sink temperature is ap proaching limit The com pressor speed automatically slows to reduce heat sink tempera...

Страница 75: ...ure 53 Emergency 24VAC System Operation System Refrigerant IMPORTANT The system must be operating at full capacity during charging Increase heat or decrease cooling the thermostat setting by 5 F to cr...

Страница 76: ...20 19 18 17 17 16 15 15 14 13 12 11 10 70 19 19 18 18 17 17 16 15 15 14 13 12 11 10 57 58 59 60 61 62 63 64 65 66 67 68 69 70 TEMPERATURE OF AIR ENTERING INDOOR COIL F INDOOR COIL DRY BULB DRY BULB WE...

Страница 77: ...RN AIR TEMPERATURE IF NECESSARY OPERATE COOLING TO REACH THAT TEMPERATURE RANGE THEN SET THERMOSTAT TO HEATING MODE SETPOINT TO 77 F 25 C WHICH SHOULD CALL FOR SECOND STAGE HIGH STAGE HEATING WHEN PRE...

Страница 78: ...cooling is greater than shown recover some refrigerant If subcooling is less than shown add refrigerant Charge Using Normal Operating Pressures Approach or Subcooling Methods High Capacity Outdoor Tem...

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