Carrier
Heating & Cooling Combined Unit

Model # 50SX030300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 50SX030300 central package, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 92 parts  |

Contactor HN52KC024
#167

Heater assy/wiring box assy diagram

Contactor

Part #HN52KC024

The manufacturer no longer makes this part, and there's no substitute part

Contactor HN51KB024
#38

Control box/indoor blower/pipong diagram

Contactor

Part #HN51KB024

The manufacturer no longer makes this part, and there's no substitute part

Capactr Dual P291-3553
#33

Duct side view/top view diagram

Capactr dual

Part #P291-3553

Replaced by #PAKTRCFD355

?
Manufacturer substitution
This part replaces P291-3553. Substitute parts can look different from the original.
$14.47
12% OFF Phone Price : $16.47
In Stock
Relay HN67ZZ001
#39A

Control box/indoor blower/pipong diagram

Relay

Part #HN67ZZ001

In Stock
Element 50SS400345
#178

Heater assy/wiring box assy diagram

Element

Part #50SS400345

In Stock
Limit Switch HH19ZA186
#192

Heater assy/wiring box assy diagram

Limit switch

Part #HH19ZA186

In Stock
Strap Cap P281-0028
#42

Duct side view/top view diagram

Strap cap

Part #P281-0028

In Stock
Paint 313974-751
#NI

Duct end/evaporator coil/condenser end/blower access diagram

Paint

Part #313974-751

In Stock
Fan Scroll 50SS500010
#55

Control box/indoor blower/pipong diagram

Fan scroll

Part #50SS500010

In Stock
Element 50SS400341
#158

Heater assy/wiring box assy diagram

Element

Part #50SS400341

In Stock

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

Thermostat problem, clogged air filter, burner failure…

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Most common repair guides to help fix your heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

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How to unclog the air conditioner drain line

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Repair difficulty
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How to replace the furnace flame sensor

How to replace the furnace flame sensor

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Repair difficulty
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 15 minutes or less
How to replace a heating and air conditioning system thermostat

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

Maintaining your air conditioner

Maintaining your air conditioner

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How to prevent the 2 most common AC failures from ruining your summer

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