Lennox MHA018S4S-1P User Manual

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Step 4. Removethexeddevicesoftheconnectors.
Step 5. Disconnecttheconnectorsoffanmotor,thestep
motorandtheT2sensor.
Step 6. Opentheleftsideplateofelectroniccontrolbox.
Step 7. Openthetwoclipsonthefrontoftheelectric
box.
Step 8. Opentheuppercoverplateofelectroniccontrol
box.
Step 9. Remove1screwandopenthe2clipsalongthe
directionindicatedinimagebelow.

Lennox MHA018S4S-1P Specifications

General

Model	MHA018S4S-1P
Cooling Capacity	18000 BTU
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Compressor Type	Inverter
Type	Mini-Split Heat Pump
Indoor Unit Type	Wall Mounted