MONITORING & PREVENTIVE MAINTENANCE. Haws 9326, 9327

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MONITORING & PREVENTIVE MAINTENANCE. Haws 9326, 9327 | Manualzz

MONITORING & PREVENTIVE MAINTENANCE

Recommended routine instrument readings and operation checking: Please note the instrument readings are performed during water heater operation. No readings are required when the unit is not being used. Check the following readings on the Remote display and ensure proper performance:

Inlet temperature

Temperature set point

Actual outlet temperature

Actual GPM

Error codes

Early warning signs of developing operational or equipment problems:

Based on the readings of 3A above water heater unit appears to be performing properly however there are error codes.

Actual GPM appears to be lower than desired

Procedures for handling non-routine problems such as alarms, power failure, and component failure:

No alarms are built into the unit

Power failure will result in a non-operable system – restore power and startup unit per Start up process (2C)

Component failure will result in repeat error codes. Refer to manual page 16 for error codes and corrective action

Preventative maintenance requirements: (PMR) Preventive maintenance requirements may impact other items of the installation such as electrical supply and wiring, water piping and associated valves and controls.

Haws water heaters are very low maintenance.

Ensure that the water heater is supplied with a clean potable, consistent water supply as outlined in the O+M.

Check filter screen or associated y-strainer or other pre-filters to ensure clear water supply within listed water pressure.

Ensure proper electrical supply as outlined within the O+M.

Perform PMR per site requirements not to exceed 90 days.

Maintenance inspection program: (MIP)

Haws water heaters are very low maintenance. Ensure PMR is completed every 90 days.

Disable power to the unit via external disconnect or local disconnects. Per site lockout procedures open cabinet door and visually inspect components for sings of damage associated with possible water leaks, excessive heat or external factors that could impact the water heater and associated components.

Perform MIP per site requirements not to exceed 90 days.

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