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Nordyne
Central Air Conditioner

Model # MT5QD-048K Official Nordyne heat pump

Here are the diagrams and repair parts for Official Nordyne MT5QD-048K heat pump, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 42 parts  |
Def Control 917178A
#19

Heat pump diagram

Def control

Part #917178A

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

Accumulatr 668854
#8

Heat pump diagram

Accumulatr

Part #668854

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

Def Sensor 626491
#13

Heat pump diagram

Def sensor

Part #626491

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

Guard Kit 917206
#12A

Heat pump diagram

Guard kit

Part #917206

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

Restrictor 664065
#NI

Heat pump diagram

Restrictor

Part #664065

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

Cap Strap 258780
#18

Heat pump diagram

Cap strap

Part #258780

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

Thermostat 626520
#NI

Heat pump diagram

Thermostat

Part #626520

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

Coupling 663783
#6

Heat pump diagram

Coupling

Part #663783

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

Coupling 663781
#7

Heat pump diagram

Coupling

Part #663781

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

Valve Coil 669459
#10

Heat pump diagram

Valve coil

Part #669459

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

Symptoms for gas cooktops

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Read more

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Read more

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

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Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Read more
Repair difficulty
Time required
 45 minutes or less

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