Lennox EL16XC1 Series Installation And Service Procedure Download Page 5

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EL16XC1 SERIES

Typical Unit Parts Arrangement

LIQUID LINE

FILTER DRIER

(SINGLE FLOW)

LIQUID LINE SERVICE

VALVE

SUCTION LINE
SERVICE VALVE

FIELD CONNECTION
FOR SUCTION LINE

HIGH PRESSURE
SWITCH (S4)

COMPRESSOR

HARNESS

GROUND LUG

CONTACTOR - 1 POLE (K1-1)

CAPACITOR (C12)

CONTROL PANEL

TYPICAL

PLUMBING

(COPELAND COMPRESSOR)

DISCHARGE-LINE HIGH
TEMPERATURE SENSOR

LIQUID LINE

FILTER DRIER

(SINGLE FLOW)

DISCHARGE-LINE HIGH
TEMPERATURE SENSOR

COMPRESSOR

HARNESS

HIGH PRESSURE
SWITCH (S4)

LIQUID LINE SERVICE

VALVE

SUCTION LINE
SERVICE VALVE

FIELD CONNECTION
FOR SUCTION LINE

FIELD CONNECTION
FOR LIQUID LINE

TYPICAL

PLUMBING

(LG COMPRESSOR)

Figure 1. Typical Parts Arrangements

Summary of Contents for EL16XC1 Series

Page 1: ...multiple power supplies TABLE OF CONTENTS Model Number Identification 2 Typical Serial Number Identification 2 Specifications 2 Electrical Data 3 Unit Dimensions 4 Unit Parts Arrangement 5 Operating...

Page 2: ...de 08 2008 09 2009 10 2010 Month Code A January B February C March 05716 5 or 6 Digit Unique Number Location Code 19 Saltillo Mexico 58 Marshalltown IA 5 Specifications Model Numbers Unit Outdoor Fan...

Page 3: ...C1 024 25 14 6 10 9 59 3 1 6 825 1 0 1 9 EL16XC1 030 25 17 0 12 8 67 8 1 6 825 1 0 1 9 EL16XC1 036 EL16XC1S036 30 18 0 13 6 79 0 1 6 825 1 0 1 9 EL16XC1 041 30 19 3 14 7 75 0 1 6 825 1 0 1 9 EL16XC1 0...

Page 4: ...6XC1 030 39 991 30 1 2 775 35 889 13 7 8 352 7 3 4 197 3 1 4 83 27 1 8 689 3 5 8 92 4 1 2 114 20 5 8 524 EL16XC1 036 EL16XC1S036 31 787 30 1 2 775 35 889 13 7 8 352 7 3 4 197 3 1 4 83 27 1 8 689 3 5 8...

Page 5: ...K1 1 CAPACITOR C12 CONTROL PANEL TYPICAL PLUMBING COPELAND COMPRESSOR DISCHARGE LINE HIGH TEMPERATURE SENSOR LIQUID LINE FILTER DRIER SINGLE FLOW DISCHARGE LINE HIGH TEMPERATURE SENSOR COMPRESSOR HARN...

Page 6: ...risks rounding or breaking off the wrench or stripping the valve stem recess See the Lennox Service and Application Notes C 08 1 for further details and information IMPORTANT To prevent stripping of t...

Page 7: ...6 7 8 9 10 11 12 1 12 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 appropriat...

Page 8: ...e unit s sound level registered from the adjacent property not from the installation property Install the unit as far as possible from the property line When possible do not install the unit directly...

Page 9: ...f two 2 degrees or two inches per five feet 50 mm per 1 5 m away from building structure MOUNTING SLAB BUILDING STRUCTURE GROUND LEVEL Outside Unit Placement Slab Mounting at Ground Level SAME FASTENE...

Page 10: ...n the direction of prevailing winds NOTICE Roof Damage This system contains both refrigerant and oil Some rubber roofing material may absorb oil and cause the rubber to swell when it comes into contac...

Page 11: ...E AS CLOSE TO PARALLEL WITH THE UNIT AS POSSIBLE WHILE INSTALLING PANEL PREFERRED ANGLE FOR INSTALLATION ANGLE MAY BE TOO EXTREME HOLD DOOR FIRMLY TO THE HINGED SIDE TO MAINTAIN FULLY ENGAGED TABS Det...

Page 12: ...g torch while pressurized may result in ignition of the refrigerant and oil mixture check the high and low pressures before unbrazing WARNING When using a high pressure gas such as dry nitrogen to pre...

Page 13: ...OR RAFTER AT 8 FEET 2 43 METERS INTERVALS THEN STRAP THE LIQUID LINE TO THE VAPOR LINE FLOOR JOIST OR ROOF RAFTER REFRIGERANT LINE SET INSTALLING HORIZONTAL RUNS NOTE Similar installation practices sh...

Page 14: ...operations only in well ventilated areas Wear gloves and protective goggles or face shield to protect against burns Wash hands with soap and water after handling brazing alloys and flux IMPORTANT Con...

Page 15: ...Y FROM SERVICE VALVE Flow regulated nitrogen at 1 to 2 psig through the low side refrigeration gauge set into the liquid line service port valve and out of the suction vapor line service port valve CU...

Page 16: ...ions for the next step in preparing the unit WHEN BRAZING LINE SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WARNING 1 FIRE PERSONAL INJURY OR PROPERTY DAMAGE w...

Page 17: ...the liquid line to the indoor unit s liquid line orifice housing LOW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD INVERTED HCFC 22 CYLINDER CONTAINS CLEAN HCFC 22 TO BE USED FOR FLUSHING LIQUID LINE SERV...

Page 18: ...EMBLY WITH BRASS NUT DISTRIBUTOR ASSEMBLY A Remove the field provided fitting that temporary reconnected the liquid line to the indoor unit s distributor assembly B Install one of the provided Teflon...

Page 19: ...inder of HFC 410A refrigerant to the center port of the manifold gauge set Open the valve on the HFC 410A cylinder vapor only B Open the high pressure side of the manifold to allow HFC 410A into the l...

Page 20: ...oor unit until the absolute pressure 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 th...

Page 21: ...diagrams and refer to unit nameplate for minimum circuit ampacity and maximum overcurrent protection size 24VAC TRANSFORMER Use the transformer provided with the furnace or air handler for low voltage...

Page 22: ...PERATURE RATING MORE THAN 100 30 METERS 16 35 C MINIMUM WIRE NUTS BLACK 24V CONTROL WIRES YELLOW TIGHTEN WIRE TIE UNIT LOW VOLTAGE CONNECTIONS NOTE DO NOT BUNDLE ANY EXCESS 24VAC CONTROL WIRES INSIDE...

Page 23: ...cessary 6 Inspect contactor contacts for pitting or burn marks Replace as necessary 7 Check outdoor fan motor for worn bearings bushings Replace as necessary 8 Inspect and clean outdoor coils if neces...

Page 24: ...m Fuse or Circuit Breaker Electrical Connections Tight Indoor Filter clean Supply Voltage Unit Off Indoor Blower RPM S P Drop Over Indoor Dry Outdoor Coil Entering Air Temp Discharge Pressure Suction...

Page 25: ...Page 25 EL16XC1 SERIES Typical Field Wiring...

Page 26: ...Page 26 Typical Factory Wiring...

Page 27: ...supply at the disconnect switch The voltage must be within the range listed on the unit s nameplate If not do not start the equipment until you have consulted with the power company and the voltage co...

Page 28: ...mperature of air entering indoor coil F INDOOR COIL DRY BULB DRY BULB WET BULB B TDrop 19 A Dry bulb Wet bulb F A 72 B 64 C 53 air flow air flow All temperatures are expressed in F 1 Determine the des...

Page 29: ...t 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 m add this amount If line length is less than 15 ft 4 6 m subtract this amount Refrigerant Charge per...

Page 30: ...OOR COIL sometimes necessary with lower temperatures Use cardboard or plastic sheet to restrict the airflow through the outdoor coil to achieve pressures from 325 375 psig 2240 2585kPa Higher pressure...

Page 31: ...than shown then REMOVE refrigerant If refrigerant is REMOVED retest to confirm that unit is properly charged MORE or LESS If refrigerant is ADDED retest to confirm that unit is properly charged ABOVE...

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