Daikin Packaged Air Conditioner DFC0724D

WARNING! HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.

WARNING! To prevent personal injury or death due to improper installation, adjustment, alteration, service or maintenance, refer to this manual. For additional assistance or information, consult a qualified installer, servicer agency or the gas supplier.

CAUTION! Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service personnel exercise caution.

CAUTION! To prevent property damage due to fire and loss of equipment efficiency or equipment damage due to dust and lint build up on internal parts, never operate unit without an air filter installed in the return air system.

The coil with the outside air flowing over it has been inspected and cleaned as necessary to keep the finned areas free of lint, hair and debris.

Any air blowing or water rinsing has been performed from inside-out (opposite operating airflow direction) to prevent damage to the tube & fin coil.

Sign off on the outside coil inspection

WARNING! HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death

WARNING! To prevent personal injury or death due to improper installation, adjustment, alteration, service or maintenance, refer to this manual. For additional assistance or information, consult a qualified installer, servicer agency or the gas supplier

CAUTION! Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service personnel exercise caution

CAUTION! To prevent property damage due to fire and loss of equipment efficiency or equipment damage due to dust and lint build up on internal parts, never operate unit without an air filter installed in the return air system

NOTE! During periods when the MCHE is not operated for longer than a week, the MCHE must be completely cleaned following the cleaning procedure. This practice must also be performed during short shut-down periods where corrosive deposits accumulate on the MCHE

Remove surface dirt, leaves, fibers, etc. with a vacuum cleaner (preferably with a brush or other soft attachment rather than a metal tube), compressed air blown from the inside out, and/or a soft bristle (not wire!) brush. Do not impact or scrape the coil with the vacuum tube, air nozzle, etc

STEP 2: Rinse! Rinse the coil by following procedure

1. Rinse the coil by approved MCHE cleaner first, or rinsing by water directly

WARNING! HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death

WARNING! To prevent personal injury or death due to improper installation, adjustment, alteration, service or maintenance, refer to this manual. For additional assistance or information, consult a qualified installer, servicer agency or the gas supplier

CAUTION! Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service personnel exercise caution

CAUTION! To prevent property damage due to fire and loss of equipment efficiency or equipment damage due to dust and lint build up on internal parts, never operate unit without an air filter installed in the return air system

1. The supply fan motors, the condenser fan motors and compressors are permanently lubricated

1. Use a fine grade automotive wax on the cabinet finish to maintain the finish’s original high luster. This is especially important in installations with extended periods of direct sunlight

MicroChannel Heat Exchangers (MCHE) Maintenance

WARNING! HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.

WARNING! To prevent personal injury or death due to improper installation, adjustment, alteration, service or maintenance, refer to this manual. For additional assistance or information, consult a qualified installer, servicer agency or the gas supplier.

CAUTION! Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service personnel exercise caution.

CAUTION! To prevent property damage due to fire and loss of equipment efficiency or equipment damage due to dust and lint build up on internal parts, never operate unit without an air filter installed in the return air system.

Check if the application requires a different frequency of replacement of dirty filters.

Ensure filters are replaced at least every three (3) months during operating seasons.

Check if dirty filters are the most common cause of inadequate heating or cooling performance.

Ensure dirty throwaway filters are discarded and replaced with a new, clean filter.

Check if disposable return air filters are supplied with this unit. See the unit Specification Sheet or Technical Manual for the correct size and part number.

WARNING! HIGH VOLTAGE! Disconnect all power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death.

WARNING! To prevent personal injury or death due to improper installation, adjustment, alteration, service or maintenance, refer to this manual. For additional assistance or information, consult a qualified installer, servicer agency or the gas supplier.

CAUTION! Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service personnel exercise caution.

CAUTION! To prevent property damage due to fire and loss of equipment efficiency or equipment damage due to dust and lint build up on internal parts, never operate unit without an air filter installed in the return air system.

Power disconnected before servicing?

Proper installation, adjustment, alteration, service or maintenance followed as per manual?

Caution exercised while handling sheet metal parts, screws, clips and similar items?

Air filter installed in the return air system?

Enter the date of the last filter inspection