Lennox LRP16GE Series, Installation Instructions Manual

Page 1: ...stries Inc Dallas Texas USA THIS MANUAL MUST BE LEFT FOR FUTURE REFERENCE WARNING Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss o...

Page 2: ...17 07 13 44 13 44 14 32 16 06 6 20 40 89 21 63 13 21 TYPICAL DRAIN LOCATION CONDENSATE DRAIN 3 4 NPT 5 75 3 55 4 12 TYPICAL VENT HOOD SIDE VIEWS 11 49 2 33 47 66 1 98 16 77 2 48 14 02 47 66 POWER ENT...

Page 3: ...AGE ENTRY 7 8 DIA KNOCKOUT GAS SUPPLY 44 89 21 63 13 21 TYPICAL DRAIN LOCATION CONDENSATE DRAIN 3 4 NPT 5 75 3 55 4 12 TYPICAL VENT HOOD SIDE VIEWS TOP VIEW POWER ENTRY GAS ENTRY RETURN AIR 2 11 19 49...

Page 4: ...44 3 8 1127 44 3 8 1127 16 7 8 429 13 7 8 352 2 1 8 54 11 1 2 287 SUPPLY OPENING RETURN OPENING 8 203 14 356 18 457 24 610 3 4 19 1 25 5 1 2 140 5 3 4 146 11 1 2 287 17 1 4 438 1 3 8 35 3 3 4 95 13 3...

Page 5: ...13 in 76 x 330 mm 52 7 8 1343 44 3 8 1127 19 1 2 380 11 1 2 287 19 1 2 380 2 1 8 54 11 1 2 287 SUPPLY OPENING RETURN OPENING 8 203 14 356 18 457 24 610 3 3 4 95 22 7 8 581 7 178 3 4 19 1 25 NOTE If bo...

Page 6: ...8 203 SIDES AND BACK FLANGE 6 152 UNIT BASE RAIL CLIPS 4 NOTE Minimum Height 4 102 UNIT BASE RAIL CLIPS 4 Usage A B C in mm in mm in mm 24 36 42 7 8 1089 13 7 8 352 16 7 8 429 48 60 51 3 8 1305 19 1 2...

Page 7: ...nits are not suitable for use with conventional venting systems Inspection As soon as the unit is received it should be inspected for possible damage during transit If damage is evident the extent of...

Page 8: ...s may be installed on combustible floors Units must be installed outdoors Clearance to combustibles below the unit flue is 10 inches since the flue points down Do not permit overhanging structures or...

Page 9: ...truction bag see Figure 2 Vent Hood Attach with Screws Figure 2 Installing the Vent Cover Rigging Unit Exercise care when moving the unit Do not remove any packaging until the unit is near the place o...

Page 10: ...ilter rack kit If an existing gas furnace is being removed from a common venting system when this packaged unit is installed then read and follow the instructions in the Removal of Unit from Common Ve...

Page 11: ...rating plate Gas Piping Recommendations A drip leg and a ground joint union must be installed in the gas piping A ground joint union is recommended by the manifold valve When required by local codes a...

Page 12: ...he National Electrical Code ANSI NFPA No 70 latest edition Canadian Electrical Code Part 1 CSA C22 1 latest edition or local codes where they prevail Use wiring with a temperature limitation of 75 C m...

Page 13: ...d insulated wires 18 AWG should be used to connect the thermostat to the unit Compressor Units are shipped with compressor mountings factory adjusted and ready for operation Do not loosen compressor m...

Page 14: ...as valve and connecting a water manometer or gauge Under no circumstances should the final manifold pressure vary more than 0 3 w c from the above specified pressures To adjust the regulator turn the...

Page 15: ...roughout the external static range A particular CFM can be obtained by positioning jumpers COOL HEAT and ADJUST on the blower control The HEAT and COOL jumpers are labeled A B C and D Each of the numb...

Page 16: ...duce the selected air flow rate by 25 percent when humidity levels are high An LED D1 lights when the blower is operating in the dehumidification mode Cooling System The cooling system is a factory ch...

Page 17: ...nds of the ignition trial If the flame is established within 10 seconds the control de energizes the spark If flame is not established within 10 seconds the gas valve and spark are de energized and th...

Page 18: ...need cleaning Sooting of a gas appliance is highly irregular and once cleaned the cause of the sooting must be determined If the heat exchanger should become sooted it can be cleaned as follows 1 Remo...

Page 19: ...eration Call for heat 2 Flash Two flashes in second with 1 second pause System lockout Failed to detect or sustain flame 3 Flash Three flashes in 1 5 seconds with 1 second pause Pressure switch senses...

Page 20: ...00 400 1260 1080 900 720 1400 1200 1100 975 630 540 450 360 048 Blower Performance 0 through 0 80 in w g External Static Pressure Range 1980 1760 1540 1320 1350 1200 1100 1000 990 880 770 660 NORM 180...

Page 21: ...Page 21 Figure 9 Wiring Diagram Single Phase Wiring Diagram LRP16GE...

Page 22: ...being pulled through the condensate line will prevent positive drainage without a proper trap The condensate drain line must be properly trapped routed to a suitable drain and primed prior to unit com...

Page 23: ...JUST jumper is labeled Test and Norm The and pin settings are used to add or subtract a percentage of the CFM selected The Test jumper is used to operate the motor in the test mode Figure 12 shows the...

Page 24: ...e is no demand for heating or cooling the blower control will provide 50 percent of the COOL CFM selected DEHUMIDIFICATION The blower control includes an HUM terminal which provides for connection of...

Page 25: ...l Board 24V TERMINAL STRIP CONNECTIONS DIAGNOSTIC LEDS HIGH PRESSURE SWITCH TEST PINS DEFROST TIMING PINS P1 REVERSING VALVE DEFROST THERMOSTAT S6 LOW PRESSURE SWITCH COMPRESSOR DELAY PINS S4 S87 SERV...

Page 26: ...he compressor delay jumper is removed NOTE The 30 second off cycle is not functional when jumpering the TEST pins Time Delay The defrost control includes a compressor timer which ensures the compresso...

Page 27: ...ance normally consists of changing or cleaning the filters and cleaning the evaporator coil On occasion other components may also require cleaning Filters Filters are not supplied with the unit Inspec...

Page 28: ...49 150 36 132 134 136 137 138 139 140 142 144 145 147 148 48 136 138 140 142 143 144 145 147 148 149 150 151 60 134 135 137 138 139 140 141 142 144 145 147 148 24 Liquid 237 257 278 298 306 320 343 36...

Page 29: ...36 26 33 40 50 54 61 68 75 83 95 103 117 131 48 28 36 43 53 57 65 72 79 89 102 107 116 125 60 31 39 46 56 60 68 75 82 89 99 106 117 128 24 Liquid 264 271 279 289 294 301 309 316 324 335 340 348 357 36...

Page 30: ...Page 30 Wiring Diagram LRP16HP Figure 14 HP Wiring Diagram...