Lenox HS40-018 Installation Instructions Manual Download | Manualshive

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Summary of Contents for HS40-018

Page 1: ...installed prior to unit operation A WARNING WARNING HS40 Condensing Unit 1 Shipping Packing List 1 Unit Dimensions 2 General Information 3 Setting the Unit 3 Electrical 3 Plumbing 4 Flushing Existing Line Set and Indoor Coil 4 Liquid Suction Line Service Valves 6 Leak Testing 7 Evacuation Dehydration 7 Start Up 8 Charging 8 System Operation 10 Maintenance 10 Start Up Performance Check List 11 RETA...

Page 2: ...I Around perimeter of base SUCTION LINE CONNECTION 162 LIQUID LINE CONNECTION ELECTRICAL INLETS TOP VIEW BASE SECTION OUTDOOR COIL FAN COMPRESSOR SUCTION LIQUID LINE CONNECTION OPTIONAL UNIT STAND OFF KIT 4 _ Field Installed 70 SIDE VIEW Model No A B C HS40 018 HS40 024 mm 635 616 616 HS40 036 HS40 048 mm 838 819 616 HS40 065 mm 946 927 718 Page 2 ...

Page 3: ...arance of 24 610 mm must be maintained between two units NOTE 48 1219 mm clearance required on top of unit Maximum soffit overhang is 36 914 mm Figure 1 FIGURE 2 The wiring must conform with current local codes and the current Canadian Electrical Code CEC Refer and comply with local electrical codes for field wiring rules and regula tions Refer to the furnace or blower coil installation instructio...

Page 4: ... be free of nicks or dents and must be deburred I D and O D 2 Before making line set connections use dry nitrogen to purge the refrigerant piping This will help to prevent ox idation and the introduction d moisture into the system 3 Use silver alloy brazing rods 5 or 6 percent silver alloy for copper to copper brazing or 45 percent silver alloy for copper to brass or copper to steel brazing which ...

Page 5: ...turn on power to the unit or open the outdoor unit service valves at this time 3 Remove the existing refrigerant flow control orifice or thermal expansion valve before continuing with flush ing procedures The existing devices are not approved for use with R407C refrigerant and may prevent prop er flushing Use a field provided fitting to reconnect the lines IMPORTANT 4 Remove the pressure tap valve...

Page 6: ... protect the Schrader valve from contamination and to serve as the primary leak seal To Access Schrader Port 1 Remove the service port cap with an adjustable wrench 2 Connect gauge to the service port 3 When testing is completed replace the service port cap Tighten finger tight then an additional 1 6 turn To Open Liquid or Suction Line Service Valve 1 Remove the stem cap with an adjustable wrench ...

Page 7: ...C refrigerant Open the valve on the R407C cylinder vapor only 3 Open the high pressure side of the manifold to allow R407C into the line set and indoor unit Weigh in a trace amount of R407C A trace amount is a maximum of 2 ounces 57 g refrigerant or 3 pounds 31 kPa pres sure Close the valve on the R407C cylinder and the valve on the high pressure side of the manifold gauge set Disconnect R407C cyl...

Page 8: ...e of R407C through the liquid and suction service valves Refer to the unit nameplate for the correct liquid charge If you can not measure in the total amount refer to the start up section and set the final system charge accord ing to the charging instructions The R407C refrigerant cylinder should be chocolate brown 1 Rotate the fan to check for frozen bearings or binding 2 Inspect all factory and ...

Page 9: ..._i_iii _i ii_i i_ i i _ _ i_ii_ii _ iii_ iil ii _i _ i _i ilil iiIil i_ i_ _ _ii _i _ii_i_i_ill _i_ i _ i_i_i _ii i_ii_ i_ iii_ii _ ii _i_ iiliiiiiilil iiii_ii _ii_i _i i i_i_ _i _i_i i_il _il _il _ii _il_ i_ 53 _ _ Saturated Liquid Temperature C 33 33 34 35 35 36 36 37 37 38 38 39 40 40 41 41 42 42 43 43 44 45 45 46 47 47 47 48 48 51 54 57 ii iiiiii_i_ii_i _ i_ i _iii_ i i iiiiiiiiiiiiii_iiii_i_i...

Page 10: ... and a low pressure switch The pressure switches are located on valve cores in the liquid line to allow for easy access The manually re set high pressure switch protects the system from high pressure conditions which result from a fan failure or a blocked or dirty coil The low pressure switch SPST NO protects the system compressor from damage due to a loss of charge The loss of charge switch trips...

Page 11: ...pply Voltage Unit Off COOLING SECTION Refrigerant Lines Leak Checked E Service Valves Fully Opened I 1 Properly Insulated Service Valve Caps Tight 1 Voltage With Compressor Operating THERMOSTAT Properly Set _ Level _ _ Supply Condenser Fan Compressor Indoor Filter Clean E1 s P Drop Over Evaporator Dry Condenser Entering Air Temperature Discharge Pressure _ Suction Pressure B Refrigerant Charge Che...

Page 12: ...LENNOX Lennox Industries RO Box 174 Westgate Interchange Northampton NN5 5AG Telephone 01604 591159 Facsimile 01604 587536 Page 12 ...

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