Manuals / Carrier / Household Appliance / Air Conditioner

Carrier NP034-074 Ð Charging Chart, 054 Units; System, Ð Charging Chart, 064 Units; System

Models: NP034-074

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Fig. 55 Ð Charging Chart, 054 Units; System 2,

Fig. 55 Ð Charging Chart, 054 Units; System 2,

All Condenser Fans Running

Fig. 56 Ð Charging Chart, 064 Units; System 1,

All Condenser Fans Running

Fig. 57 Ð Charging Chart, 064 Units; System 2,

All Condenser Fans Running

Fig. 58 Ð Charging Chart, 074 Units; System 1,

All Condenser Fans Running

Fig. 59 Ð Charging Chart, 074 Units; System 2,

All Condenser Fans Running

AUTOMATIC PILOT ADJUSTMENT (48 Series Units Only)

1.Set system selector switch at OFF position to shut off unit. Turn off power to unit.

2.Remove screw cap cover on pilot gas valve to expose adjusting screw.

3.To ensure that main burners do not ignite, remove wire from gas valve terminal 2. Tape wire. Do not allow wire to be grounded.

4.Turn on power to unit. Set system selector switch to HEAT position and set thermostat to a setting that will call for heat. Pilot ignites.

5.With a small screwdriver, turn adjustment screw until flame fully engulfs sensor.

6.Replace cap on pilot gas valve. Turn off power to unit. Return valve(s) to original position.

7.Check for proper burner operation by cycling the burn- ers. Wait 30 seconds between burner cycles.

8.Check that all panels are closed securely before leaving the unit.

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Carrier NP034-074 Ð Charging Chart, 054 Units; System, Ð Charging Chart, 064 Units; System, All Condenser Fans Running

Contents

Installing Flue/Inlet Hoods 48 Series Units CONTENTSGas Manifold Pressure 48 Series Evaporator-FanBelts, Pulleys, and Sheaves . .SAFETY CONSIDERATIONS CONTENTS contINSTALLATION GENERALFig. 1 Ð Rigging Label Table 1A Ð Physical Data; 034, 044 Units Table 1B Ð Physical Data; 054-074Units To attach ductwork to roof curb, insert duct approxi- mately 10 to 11 in. up into roof curb. Connect ductwork to 14-gageroof curb material with sheet metal screws driven from inside of the duct Fig. 3A Ð Roof Curb; 034, 044 Units Fig. 3B Ð Roof Curb; 054-074Units UNIT Outdoor-AirInlet Adjustments Install Outdoor HoodsUNIT 5400 8700 UNIT Fig. 8 Ð Condensate Drain Piping Details Fig. 5 Ð Drain Location SelectionFig. 6 Ð Condensate Drain Location Fig. 9 Ð Outdoor-AirHoodFig. 13 Ð Psychrometric Chart for Fig. 10 Ð Outdoor-AirDamper AdjustmentsFig. 12 Ð Enthalpy Sensor Location Inside of Hood ShownFig. 14 Ð Wiring Connections for Solid-State Field Wire RoutingPosition Setting Adjustments Field Electrical ConnectionsFig. 17 Ð Disconnect Location, 054-074Units Fig. 18 Ð Field Power Wiring Connections50 Series Horizontal Discharge Shown 208/230-3-60 V-Ph-Hz Table 3 Ð Electrical Data, 034 Units460-3-60 V-Ph-Hz Table 3 Ð Electrical Data, 034 Units cont575-3-60 V-Ph-Hz Table 3 Ð Electrical Data, 034 Units contTable 4 Ð Electrical Data, 044 Units Table 4 Ð Electrical Data, 044 Units cont BASE UNIT WITH Table 4 Ð Electrical Data, 044 Units contTable 5 Ð Electrical Data, 054 Units Table 5 Ð Electrical Data, 054 Units cont BASE UNIT WITH Table 5 Ð Electrical Data, 054 Units contTable 6 Ð Electrical Data, 064 Units Table 6 Ð Electrical Data, 064 Units cont BASE UNIT WITH Table 6 Ð Electrical Data, 064 Units contTable 7 Ð Electrical Data, 074 Units Table 7 Ð Electrical Data, 074 Units cont BASE UNIT WITH Table 7 Ð Electrical Data, 074 Units contNOTES AND LEGEND FOR FIG. Fig. 19 Ð Field Control Thermostat WiringOPTIONAL MODULATING POWER EXHAUST OPTIONAL MODULATING POWER EXHAUST034 AND 044 UNITS BASE UNIT BASE UNIT BASE UNITFig. 21 Ð Gas Piping Details Installing Flue/Inlet Hoods 48 Series Units OnlyFig. 22 Ð Flue/Inlet Hood, 034,044 Units Fig. 23 Ð Inlet HoodFig. 25 Ð Flue De¯ector Baffles, 034,044 Units Fig. 24 Ð Flue HoodFig. 27 Ð Flue/Inlet Hood, 054-074Units Fig. 28 Ð Flue/Inlet Hood Close-UpFig. 30 Ð Shipping Brackets; 034,044 Units and PRE-START-UP50 Series Vertical Discharge 054-074Units Table 8 Ð Oil ChargeEvaporator-FanBelts, Pulleys, and Sheaves Ð Gas Manifold Pressure 48 Series Units OnlyTable 10 Ð Air Quantity Limits cfm Initial Check Fig. 32 Ð Condenser-FanAdjustmentSTART-UP General SERVICE Valve Access Fig. 34 Ð Typical Filter Drier and Liquid ServiceFig. 35 Ð Modulating Power Exhaust Damper Motor Access, 034 and 044 UnitsShown with Burner Assembly Fig. 40 Ð Flue Box Assembly, 48 Series Units OnlyFig. 37 Ð Gas Section Detail, 48 Series 034 and 044 UnitsFig. 42 Ð Typical Electric Heat Control Box LubricationFig. 43 Ð Inlet Guide Vane Motor Fig. 44 Ð Motor Plate Adjustment AdjustmentsFig. 47 Ð Charging Chart, 034 Units; System Fig. 46 Ð Charging Chart, 034 Units; SystemFig. 48 Ð Charging Chart, 034 Units; System Fig. 45 Ð Pulley AlignmentFig. 50 Ð Charging Chart, 044 Units; System Fig. 49 Ð Charging Chart, 034 Units; SystemFig. 51 Ð Charging Chart, 044 Units; System Fig. 52 Ð Charging Chart, 044 Units; SystemFig. 56 Ð Charging Chart, 064 Units; System Fig. 55 Ð Charging Chart, 054 Units; SystemFig. 57 Ð Charging Chart, 064 Units; System Fig. 58 Ð Charging Chart, 074 Units; SystemMain Burner Removal 48 Series Units Only Fig. 60 Ð Auxiliary Switch Stroke AdjustmentProtective Devices Fig. 62 Ð Typical Compressor Overtemperature TROUBLESHOOTINGHigh- and Low-PressureSwitch Locations Table 11 Ð Pressure Switch Settings psigTable 15 Ð Economizer Control Board Checkout Test Table 14 Ð Economizer Control Board Checkout TestTable 16 Ð Economizer Control Board Checkout Test Fig. 64 Ð Control Board Component Arrangement 3.Reconnect the wires removed in Step Symptom: Compressor no. 2 will not operate1.Turn unit power off. Disconnect plugs P1 and P3 6.Turn unit power off. Reconnect plugs P1 and P4SC Ð Safety Circuit Fig. 65 Ð Compressor Lockout ConnectionsLEGEND CLO Ð Compressor Lockout PÐ Plug LEGEND FOR FIG. Fig. 66 Ð Gas Heat Sections; 48DJ,NP034,044 Units Fig. 67 Ð Gas Heat Sections; 48DJ,NP054-074Units Fig. 68 Ð Gas Heat Section; 48DK034,044 Units Fig. 69 Ð Gas Heat Section; 48DK054-074Units Page Page Page Page Page Page Page Page PACKAGED SERVICE TRAINING Page START-UPCHECKLIST START-UPTEMPERATURES PRE-START-UP