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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
+ 29 more

Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

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Drive Motor
B2 Rollers
Tensioning System
+ 40 more

York Single Package Air Conditioner ZF150N24B7A1BAA1A1

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Maintenance Plans for York Single Package Air Conditioner Model ZF150N24B7A1BAA1A1

Integrate maintenance plans directly into your work orders in MaintainX.

Blower Rotation Check

Initial Inspection

Verify that the ZF120-150 unit is properly phased at the factory.

Is the blower rotating in the correct direction?

Compressor Rotation Check

Is the compressor rotating in the correct direction?

Measure the amperage of the scroll compressor.

Are the suction and discharge pressures similar?

Is the scroll compressor producing a high noise level?

Phasing Correction

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Initial 24 Hours Belt Tension Check

CAUTION!

Belt Tension Adjustment

Loosen nuts A

Adjust by turning B

Ensure nuts C are not loosened

Use belt tension checker to apply perpendicular force

Enter the deflection distance obtained (in mm)

Use a straight edge from sheave to sheave as reference line

Record the recommended deflection force for the belt section

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Filter Cleaning

Filter Inspection and Cleaning

Check that all filters are in place and clean

Are the filters clean and in good condition?

Clean or replace filters if necessary

Filter Installation

Ensure filters are installed ahead of evaporator coil

Are the filters installed correctly?

Unit Operation Check

Is the unit operating with filters properly installed?

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Joints Leaks Check

Safety Warning

Natural gas may contain some propane. Propane is an excellent solvent and will quickly dissolve white lead and most standard commercial compounds. A special pipe dope must be used when assembling wrought iron or steel pipe. Shellac based compounds such as Gaskolac or Stalastic, and compounds such as Rectorseal #5, Clydes’s or John Crane may be used.

Open the main shut-off valve admitting normal gas pressure to the mains.

Check all joints for leaks with soap solution or other suitable material.

Never use a flame to test for gas leaks.

Use a commercially available soap solution made specifically for the detection of leaks to check all connections.

Fire or Explosion Hazard Warning

Failure to follow the safety warning exactly could result in serious injury, death or property damage. Never test for gas leaks with an open flame. A fire or explosion may result causing property damage, personal injury or loss of life.

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Initial Equipment Inspection

Inspect unit for possible damage during transit

Note extent of damage on carrier’s freight bill if damage is evident

Request inspection by the carrier’s agent in writing

Ensure compliance with installation instructions and applicable codes

Disconnect furnace and shut-off valve from gas supply piping system for pressure testing above 1/2 PSIG

Replace gas valve if subjected to pressure greater than 1/2 PSIG

Isolate furnace from gas supply piping system by closing manual shut-off valve for pressure testing at or below 1/2 PSIG

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