Lennox SL25XPV Series Installation Instructions Manual Download Page 15 | Manualshive

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Page 15

FIGURE 10. Typical Field Wiring

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Summary of Contents for SL25XPV Series

Page 1: ...OL PANEL ACCESS LOCATION 6 152 36 914 12 305 30 762 24 610 LINE SET CONNECTIONS ACCESS PANEL REAR VIEW OF UNIT 48 1219 MINIMUM CLEARANCE BETWEEN TWO UNITS CLEARANCE ON ALL SIDES INCHES MILLIMETERS MIN...

Page 2: ...E FOR EXTRA STABILITY Deck Top Mounting Elevated Slab Mounting using Feet Extenders Stabilizing Unit on Uneven Surfaces WOOD OR PLASTIC SLAB NO PLASTIC ANCHOR HOLE DRILL 1 8 INSTALL UNIT LEVEL OR IF O...

Page 3: ...5XPV 024 47 00 35 50 39 40 35 00 15 97 SL25XPV 036 47 00 35 50 39 40 35 00 15 97 SL25XPV 048 47 00 35 50 39 40 35 00 15 97 SL25XPV 060 47 00 35 50 39 40 35 00 15 97 4 5 8 117 BASE WITH ELONGATED LEGS...

Page 4: ...ly charged with mineral oil or if it is being matched with a coil which was manufactured before January of 1999 the coil and line set must be flushed prior to installation Take care to empty all exist...

Page 5: ...gths may be more or less depending on remaining system design factors Maximum linear actual length 150 feet Maximum linear liquid lift 60 feet NOTE Maximum lifts are dependent on total length number o...

Page 6: ...50 41 31 22 1 2 25 50 60 60 60 60 3 8 25 50 36 22 8 NR 1 2 25 50 60 60 60 59 Shaded rows indicate rated liquid line size A Find your unit on the left side of the table B Start with the rated liquid li...

Page 7: ...t the liquid line to the indoor unit s liquid line orifice housing LOW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD CYLINDER CONTAINING CLEAN HCFC 22 TO BE USED FOR FLUSHING Positioned to deliver liquid r...

Page 8: ...t nitrogen flow will have an exit point NITROGEN HIGH LOW B A C PIPING PANEL REMOVAL PREPARING LINE SET CAP AND CORE REMOVAL Remove piping panel to access service valves Cut ends of the refrigerant li...

Page 9: ...S POINT FLAME AWAY FROM SERVICE VALVE LIQUID LINE WATER SATURATED CLOTHS WATER SATURATED CLOTHS 6A 6B SUCTION VAPOR SERVICE PORT MUST BE OPEN AND MOVED TO ALLOW EXIT POINT FOR NITROGEN FLOW IMPORTANT...

Page 10: ...l Shown Sensing bulb insulation is required if mountedexternal to the coil casing sensing bulb installation for bulb positioning STUB END TEFLON RING LIQUID LINE ASSEMBLY WITH BRASS NUT DISTRIBUTOR AS...

Page 11: ...psig 1034 kPa Open the valve on the high side of the manifold gauge set in order to pressurize the line set and the indoor unit E After a few minutes open one of the service valve ports and verify th...

Page 12: ...nifold gauge valves F When the absolute pressure requirement above has been met disconnect the manifold hose from the vacuum pump and connect it to a cylinder of HFC 410A positioned to deliver liquid...

Page 13: ...ct Specifications bulletin EHB and unit rating plate WARNING ELECTROSTATIC DISCHARGE ESD Precautions and Procedures Electrostatic discharge can affect electronic components Take care during unit insta...

Page 14: ...AT WIRING CONNECTION PUSH BUTTON 7 SEGMENT DISPLAY PUMP DOWN WHEN UNIT IS IN PUMP DOWN MODE Pd WILL BE DISPLAYED ON 7 SEGMENT TO ACTIVATE PUMP DOWN MODE THE CONTROL MUST BE IN THE IDLE STATE AND THE P...

Page 15: ...Page 15 FIGURE 10 Typical Field Wiring...

Page 16: ...BE SHOWN GOING TO PROPER LOCATION IN CONTROL BOX 8 TERMINAL LOCATION CHANGES FROM MFR TO MFR PLEASE NOTE TERMINAL NO 9 FILL ALL UNUSED HOLES WITH SCREWS 10 BUNDLE EXCESS WIRE BLUE LIQUID SENSOR FAN M...

Page 17: ...d also include an additional wire that should be connected on each end to the C terminal as shown in the figure below Any excess high voltage field wiring should be trimmed and secured away from any l...

Page 18: ...art Hub C i i R HD Display Subbase or Mag Mount COMMBUS A B ACC1 ACC2 SL25XPV Outdoor Unit SL25XPV RAST 6 Pin Connectors OATS Optional DATS Optional B A O Y1 FIGURE 12 SL25XPV with iComfort S30 Commun...

Page 19: ...ch system defrost cycle The heat pump control monitors ambient temperature outdoor coil temperature and total run time to determine when a defrost cycle is required The coil temperature sensor is desi...

Page 20: ...2 3 4 5 6 7 8 9 10 1112 1 6 TURN Reinstall Stem Cap Stem cap protects the valve stem from damage and serves as the primary seal Replace the stem cap and tighten as follows With torque wrench finger t...

Page 21: ...structions month ly The indoor coil is equipped with a drain pan to collect condensate formed as your system removes humidity from the inside air Have your dealer show you the loca tion of the drain l...

Page 22: ...Replace as necessary 7 Check outdoor fan motor for worn bearings bushings Replace as necessary 8 Inspect and clean outdoor coils if necessary and note any damage to coils or signs of leakage Indoor U...

Page 23: ...y Air Temperature Ambient Temperature Return Air Temperature System Refrigerant Charge Refer to manufacturer s information on unit or installation instructions for required subcooling and approach tem...

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