Replacement Of Components; Service For Refrigerant Lines; Refrigerant Recovery - Hoshizaki KMS-1401MLJ Service Manual

Modular crescent cuber serenity series including condensing unit models srk-14j/3

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V. Replacement of Components

• This icemaker should be diagnosed and repaired only by qualified service

personnel to reduce the risk of death, electric shock, serious injury, or fire.

• Move the control switch to the "OFF" position and turn off the power supply

before servicing. Lockout/Tagout to prevent the power from being turned back on

inadvertently.

• CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are

securely in place after the icemaker is serviced. Make sure that none have fallen

into the dispenser unit/storage bin.

• Make sure all food zones in the icemaker and dispenser unit/storage bin are clean

after service. For cleaning procedures, see "VI. Cleaning and Maintenance."

A. Service for Refrigerant Lines

• Repairs requiring the refrigeration circuit to be opened must be performed by

properly trained and EPA-certified service personnel.

• Use an electronic leak detector or soap bubbles to check for leaks. Add a trace of

refrigerant to the system (if using an electronic leak detector), and then raise the

pressure using nitrogen gas (140 PSIG). DO NOT use R-404A as a mixture with

pressurized air for leak testing.

• Always recover the refrigerant and store it in an approved container. Do not

discharge the refrigerant into the atmosphere.

• Do not leave the system open for longer than 15 minutes when replacing or

servicing parts. The Polyol Ester (POE) oils used in R-404A applications can

absorb moisture quickly. Therefore it is important to prevent moisture from

entering the system when replacing or servicing parts.

• Always install a new drier every time the sealed refrigeration system is opened.

Do not replace the drier until after all other repair or replacement has been made.

Install the new drier with the arrow on the drier in the direction of the refrigerant

flow.

• When brazing, protect the drier by using a wet cloth to prevent the drier from

overheating. Do not allow the drier to exceed 250°F (121°C).

The condensing unit is provided with refrigerant shutoff valves and the icemaker is provided

with refrigerant service valves. Using proper refrigerant practices, recover the refrigerant.

Recovery via the condensing unit's refrigerant shutoff valves is recommended. Store the

refrigerant in an approved container. Do not discharge the refrigerant into the atmosphere.

WARNING

NOTICE

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