

Turn manuals into instant answers
with your AI-powered assistantTurn manuals into instant answers
with your AI-powered assistant
Get instant access to all the maintenance information you need. Empower technicians to perform preventive maintenance with asset packages, ready to use right out of the box.
Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more
Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more
Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more
Access the parts list for your equipment in MaintainX.
Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Mitsubishi Split System MUZ-GS12NAH
Create an account to install this asset package.
Integrate maintenance plans directly into your work orders in MaintainX.
Compressor Replacement
Preparation
Remove the cabinet and panels
Remove the inverter assembly
Reactor Removal
Remove the screws fixing the reactor
Remove the reactor
Soundproofing and Gas Recovery
Remove the soundproof felt
Recover gas from the refrigerant circuit
Outdoor Fan Motor Replacement
Panel and Cabinet Removal
Remove the top panel
Remove the cabinet
Remove the service panel
Disconnect Connectors
Disconnect connectors CN931 and CN932 from the inverter P.C. board
Propeller Fan Removal
Remove the propeller fan nut (reverse thread)
Remove the propeller fan
Inverter P.C. Board Replacement
Preparation
Remove the top panel, cabinet, and service panel
Disconnect the lead wire to the reactor
Disconnect Connectors
Disconnect CN721 (R.V. coil) (MUZ)
Disconnect CN722 (Defrost heater and heater protector) (MUZ-GS09/12/15NAH, MUZ-GS09/12/15NAHZ)
Disconnect CN931, CN932 (Fan motor)
Disconnect CN641 (Defrost thermistor (MUZ) and discharge temperature thermistor)
Disconnect CN643 (Ambient temperature thermistor)
Outdoor Thermistors Replacement
Preparation
Remove the cabinet and panels
Disconnect Connectors
Disconnect the lead wire to the reactor
Disconnect connectors CN671 and CN672
Remove Thermistors
Pull out the discharge temperature thermistor from its holder
Pull out the defrost thermistor from its holder
Pull out the outdoor heat exchanger temperature thermistor from its holder
Reversing Valve Coil Replacement
Preparation
Remove the cabinet and panels
Disconnect Connectors
Disconnect CN721 (R.V. coil) (MUZ) from the inverter P.C. board
Coil Removal
Remove the R.V. coil
MaintainX Assist is your expert colleague, on call 24/7, helping your team find the answers they need to keep equipment running.
Reduce Unplanned Downtime
Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
Maximize Asset Availability
Keep your assets running longer and more reliably, with standardized maintenance workflows from OEM manuals.
Lower Maintenance Costs
Turn any technician into an expert to streamline operations, maintain more assets, and reduce overall costs.
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