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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Mitsubishi Outdoor Unit MUZ-D30NA

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Maintenance Plans for Mitsubishi Outdoor Unit Model MUZ-D30NA

Integrate maintenance plans directly into your work orders in MaintainX.

Thermistors Replacement

Remove the top panel, cabinet, service panel and the back panel

Disconnect the Electronic control P.C. board

Disconnect CN661 (Discharge temperature thermistor, defrost thermistor (MUZ) and outdoor heat exchanger temperature thermistor)

Disconnect CN663 (Ambient temperature thermistor)

Pull out the defrost thermistor from its holder. (MUZ)

Pull out the discharge temperature thermistor from its holder

Pull out the outdoor heat exchanger temperature thermistor from its holder

Pull out the ambient temperature thermistor from its holder

Sign off on the thermistors replacement

Run this procedure

Fan Motor Replacement

Remove the top panel, cabinet, service panel and the back panel

Disconnect the following connectors: <Electronic control P.C. board> CN931 and CN932 (Fan motor)

Remove the propeller

Remove the screws fixing the outdoor fan motor

Remove the outdoor fan motor

Run this procedure

Compressor And 4-Way Valve Replacement

Remove the top panel, cabinet, service panel and the back panel.

Remove the inverter assembly.

Remove the R.V. coil.

Recover gas from the refrigerant circuit until the pressure gauge shows 0 PSIG.

Detach the brazed part of the suction and the discharge pipe connected with compressor.

Remove the compressor nuts.

Remove the compressor.

Detach the brazed part of 4-way valve and pipe.

Sign off on the compressor and 4-way valve replacement

Run this procedure

Inverter Assembly, P.C. Board And Power Board Replacement

Remove the top panel, cabinet, service panel and the back panel.

Disconnect the following connectors: CN931 and CN932 (Fan motor), CN795 (LEV), CN661 (Discharge temperature thermistor, defrost thermistor (MUZ) and outdoor heat exchanger temperature thermistor), CN663 (Ambient temperature thermistor), CN681 (High pressure switch) (MUZ), CN912 (4-way valve) (MUZ)

Remove the screws fixing the relay panel.

Remove the inverter assembly.

Disconnect all connectors and lead wires on the electronic control P.C. board.

Remove the electronic control P.C. board from the inverter assembly.

Remove the screws fixing the power board assembly.

Disconnect all connectors and lead wires on the power board.

Remove the power board from the inverter assembly.

Run this procedure

R.V. Coil Replacement

Remove the top panel, cabinet, service panel and the back panel

Disconnect the following connectors: Noise filter P.C. board, CN912 (4-way valve)

Remove the R.V. coil