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.

Documents & Manuals

Find all the essential guides in one place.

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
+ 29 more

Procedures

Integrate maintenance plans directly into your work orders.

Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

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Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Comfort Star Indoor Unit CIP24CD(I)

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Maintenance Plans for Comfort Star Indoor Unit Model CIP24CD(I)

Integrate maintenance plans directly into your work orders in MaintainX.

IPM Check

WARNING: Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting.

Outdoor unit turned off and power supply disconnected

Electrolytic capacitors discharged and all energy-storage unit has been discharged

Outdoor PCB or IPM board disassembled

Resistance value between P and U

Resistance value between P and V

Resistance value between P and W

Resistance value between P and N

Resistance value between U and N

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Temperature Sensor Check

WARNING: Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. Operate after compressor and coil have returned to normal temperature in case of injury.

Temperature sensor disconnected from PCB

Resistance value of the sensor

Upload a picture of the temperature sensor resistance value table

Notes on the condition and specific value of the sensor

Sign off on the temperature sensor check

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Compressor Check

Warning: This procedure requires trained personnel with PPE!

Compressor power cord disconnected from outdoor PCB

Resistance value of each winding

Check the resistance value of each winding

Note: The picture and the value are only for reference, actual condition and specific value may vary.

Sign off on the compressor check

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Initial Air Conditioner Check

Warning: This procedure requires trained personnel with PPE!

Tighten the flare nuts of the indoor and outdoor units, and confirm that both the 2- and 3-way valves are closed.

Connect the charge hose with the push pin of Handle Lo to the gas service port of the 3-way valve.

Connect another charge hose to the vacuum pump.

Fully open the Handle Lo manifold valve.

Using the vacuum pump, evacuate the system for 30 minutes.

Check whether the compound meter indicates -0.1 MPa (14.5 Psi).

If the pressure successfully reaches -0.1 MPa (14.5 Psi), fully close the Handle Lo valve, then cease vacuum pump operations.

Wait for 5 minutes then check whether the gauge needle moves after turning off the vacuum pump. If the gauge needle moves backward, check wether there is gas leakage.

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Refrigerant Change

Close both 2- and 3-way valves

Slightly connect the Handle Lo charge hose to the 3-way service port

Connect the charge hose to the valve at the bottom of the cylinder

Select the type of refrigerant used

Invert the cylinder for a complete liquid charge

Open the valve at the bottom of the cylinder for 5 seconds to purge the air in the charge hose

Fully tighten the charge hose with push pin Handle Lo to the service port of 3-way valve

Record the starting weight of the charging cylinder

Fully open the Handle Lo manifold valve, 2- and 3-way valves

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