Lennox Allied Air Enterprises BHP16L Installation Instructions Manual Download Page 24 | Manualshive

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Page 24 of 24

506468-01

Issue 1946

Figure 10. Two-Stage Wiring Diagram

-60 Model Only

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Summary of Contents for Allied Air Enterprises BHP16L

Page 1: ...l as well as the instructions supplied in separate equipment before starting the installation Observe and follow all warnings cautions instructional labels and tags Failure to comply with these instru...

Page 2: ...when lifting avoid contact with sharp edges Installation NOTE In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment Locate unit away from wi...

Page 3: ...cted by a wall or other barrier Table 2 Clearances 30 around Control Box 24 6 NOTE See Table 2 for specific minimum clearance guidelines Figure 2 DO LOCATE THE UNIT With proper clearances on sides and...

Page 4: ...Size 12 ft 25 ft 50 ft 75 ft 100 ft 24 000 3 4 7 8 3 4 7 8 7 8 36 000 7 8 7 8 7 8 7 8 1 1 8 48 000 7 8 7 8 7 8 1 1 8 1 1 8 60 000 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 For lines longer than 50 ft refer to lo...

Page 5: ...UNIT VAPOR LINE SERVICE VALVE VAPOR LIQUID 1 A B C D A Cylinder with clean R 410A positioned to deliver liquid refrigerant to the vapor service valve B Refrigerant gauge set low side to the liquid lin...

Page 6: ...il Shown Sensing bulb insulation is required if mounted external to the coil casing sensing bulb installation for bulb positioning STUB END TEFLON RING LIQUID LINE ASSEMBLY WITH BRASS NUT DISTRIBUTOR...

Page 7: ...ound Do not crimp end of the line Remove service cap and core from both the vapor and liquid line service ports 1 2 LIQUID LINE SERVICE VALVE SERVICE PORT CORE SERVICE PORT CAP SERVICE PORT CORE SERVI...

Page 8: ...ES 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 valve bodies and co...

Page 9: ...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 that the refrigerant added to the system earlier...

Page 10: ...id refrigerant Open the manifold gauge valve 1 to 2 psig in order to release the vacuum in the line set and indoor unit G Perform the following Close manifold gauge valves Shut off HFC 410A cylinder R...

Page 11: ...nch with a hex head extension to back the stem out counterclockwise as far as it will go Use a 3 16 hex head extension for liquid line service valves and a 5 16 extension for suction line service valv...

Page 12: ...ring 2 Ground unit at unit disconnect switch or to an earth ground To facilitate conduit a hole is in the bottom of the control box Connect conduit to the control box using a proper conduit fitting Un...

Page 13: ...e 4 for refrigerant charge adjustment A blank space is provided on the unit rating plate to list the actual field charge Table 4 Refrigerant Charge Adjustment Liquid Line Set Diameter Oz Per 5 ft adju...

Page 14: ...he compressor during test mode High Pressure Switch HI PS When the high pressure switch trips the control board will cycle off the compressor and the strike counter in the board will count one strike...

Page 15: ...rost mode Units are shipped with jumper installed on DELAY pins NOTE The 30 second compressor delay feature known as the quiet shift must be deactivated during any unit performance testing The feature...

Page 16: ...e will be initiated after 30 minutes of heating mode compressor run time The control will attempt to self calibrate after this and all other defrost cycle s Calibration success depends on stable syste...

Page 17: ...n system 3 Improper metering device installed or incorrect operation of metering device 4 Incorrect or improper sensor location or connection to system 1 Remove any blockages or restrictions from coil...

Page 18: ...Page 18 of 24 506468 01 Issue 1946 24V No 24V...

Page 19: ...he control board without experiencing nuisance alerts Thermostat Wiring The diagnostic module requires a thermostat demand signal to operate properly See Figure 6 for connections The thermostat signal...

Page 20: ...mer is overloaded 2 Low line voltage contact utility if voltage at disconnect is low Check wiring conditions Table 7 Diagnostic Module Codes Mis wired Module Troubleshooting Mis wired Module Indicatio...

Page 21: ...ent fins may affect unit operation SHARP OBJECT HAZARD Condenser coils have sharp edges Wear adequate body protection on body extremities e g gloves FAILURE TO FOLLOW THIS WARNING COULD RESULT IN BODI...

Page 22: ...he defrost cycle In case of extended power outage If the outdoor temperature is below 50 F and power to your outdoor unit has been interrupted for one hour or longer observe the following when restori...

Page 23: ...506468 01 Page 23 of 24 Issue 1946 Figure 9 Two Stage Wiring Diagram 24 36 48 Models Only...

Page 24: ...Page 24 of 24 506468 01 Issue 1946 Figure 10 Two Stage Wiring Diagram 60 Model Only...

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