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Axiom™ Horizontal and Vertical Water Source Heat Pumps: Preventive Maintenance

This procedure is for the preventive maintenance of your unit. It has been simplified and has a list of preventive suggestions that focuses on your equipment's filter.
MaintainX
10/24/2021

Axiom™ Horizontal and Vertical Water Source Heat Pumps: Preventive Maintenance

This procedure is for the preventive maintenance of your unit. It has been simplified and has a list of preventive suggestions that focuses on your equipment's filter.

    Preventive Maintenance

    Maintenance on the unit is simplified with the following preventive suggestions:

    Filter sizing is shown in the below table.

    Table 62. Filter sizing

    Table 62. Filter sizing (continued)

    Table 62. Filter sizing (continued)

    Check the contactors and relays within the control panel at least once a year. It is good practice to check the tightness of the various wiring connections within the control panel.

    A strainer (60 mesh or greater) must be used on an open loop system to keep debris from entering the unit heat exchanger and to ensure a clean system.

    For units on well water, it is important to check the cleanliness of the water-to-refrigerant heat exchanger. Should it become contaminated with dirt and scaling as a result of bad water, the heat exchanger will have to be back flushed and cleaned with a chemical that will remove the scale. This service should be performed by an experienced service person.

    It should be noted that the water quality should be checked periodically. Refer the below table.

    Table 63. Water quality

    Condensate Trap

    For units incorporating a negative trap design, ensure that the condensate system is primed with water at all times. Allowing a negative, pressure condensate system to run dry could cause a break in the condensate seal allowing the fan to draw water from the condensate line to spray moisture into the mechanical system. By maintaining a primed condensate trap, a seal will be created and will help prevent these complications.

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