General • Maintenance

AERO® Semi-Custom Central Station Air Handler 39M: Annual Maintenance

This annual procedure focuses on different kinds of your equipment's filters and in-track baffles. This will help ensure that your unit performs at it's peak for a long period of time.

MaintainX

10/24/2021

AERO® Semi-Custom Central Station Air Handler 39M: Annual Maintenance

This annual procedure focuses on different kinds of your equipment's filters and in-track baffles. This will help ensure that your unit performs at it's peak for a long period of time.

! CAUTION

Electric shock hazard. Disconnect power before entering or servicing. More than one disconnect switch may be required to de-energize the equipment.

General

https://www.shareddocs.com/hvac/docs/1005/Public/06/39M-21SI.pdf

Review Safety Considerations at beginning of these instructions. Good safety habits are important tools when performing service procedures.
To make speed measurements, use a strobe-style tachometer or calculate per Step 7 of Start-Up, Checklist for Airfoil and Forward-Curved Fans (page 198).

Single Point Power Enclosure

At least once a year at start of operating season or whenever unit is serviced, check field and factory made electrical connections for condition of wiring insulation and tightness of connections.

Single Point Power Enclosure

At least once a year at start of operating season or whenever unit is serviced, check field and factory made electrical connections for condition of wiring insulation and tightness of connections.

Electric Heaters

At least once a year at start of operating season or whenever unit is serviced, check field and factory-made electrical connections for tightness.
Also periodically clean filters, fan, airways, ductwork, grilles, and registers as required.
Differential air pressure switch is factory set to open at 0.07 in. weight, close at 0.05 in. weight and requires no adjustment.
Refer to the Troubleshooting section for more information. Heater electrical data is shown in Table 40.

Source: Carrier (www.shareddocs.com)

! CAUTION

Electric shock hazard. Disconnect power before entering or servicing. More than one disconnect switch may be required to de-energize the equipment.

General

Review Safety Considerations at beginning of these instructions. Good safety habits are important tools when performing service procedures.

To make speed measurements, use a strobe-style tachometer or calculate per Step 7 of Start-Up, Checklist for Airfoil and Forward-Curved Fans (page 198).

Single Point Power Enclosure

At least once a year at start of operating season or whenever unit is serviced, check field and factory made electrical connections for condition of wiring insulation and tightness of connections.

Single Point Power Enclosure

At least once a year at start of operating season or whenever unit is serviced, check field and factory made electrical connections for condition of wiring insulation and tightness of connections.

Electric Heaters

At least once a year at start of operating season or whenever unit is serviced, check field and factory-made electrical connections for tightness.

Also periodically clean filters, fan, airways, ductwork, grilles, and registers as required.

Differential air pressure switch is factory set to open at 0.07 in. weight, close at 0.05 in. weight and requires no adjustment.

Refer to the Troubleshooting section for more information. Heater electrical data is shown in Table 40.