Daikin Light Commercial Packaged Gas Unit DSG0600903DXXX

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, SERVICE 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

Tighten all belts, set screws, and wire connections

Clean evaporator and condenser coils mechanically or with cold water, if necessary. Usually any fouling is only matted on the entering air face of the coil and can be removed by brushing

Align or replace belts as needed

Check for blockage of condensate drain

Check power and control voltages

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

Dirty filters are the most common cause of inadequate heating or cooling performance

Is the air filter installed in the return air system?

Filter inspection should be made at least every two months; more often if necessary because of local conditions and usage

Sign off on the filter inspection

At least once a year, prior to or during the heating season, make a visual check of the burner flames.

NOTE! This will involve removing and reinstalling the heat exchanger door on the unit, which is held by two screws.

If you are uncertain about your ability to do this, contact a qualified servicer.

If a strong wind is blowing, it may alter the airflow pattern within the unit enough that an inspection of the burner flames is not possible.

Visual check of the burner flames successful?

Describe the condition of the burner flames.

Sign off on the burner flame check.

WARNING! TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRIC SHOCK, DO NOT REMOVE ANY INTERNAL COMPARTMENT COVERS OR ATTEMPT ANY ADJUSTMENT. CONTACT A QUALIFIED SERVICER AT ONCE IF AN ABNORMAL FLAME SHOULD DEVELOP

All flue product carrying areas of the furnace, its vent system, and main burners should be examined by a qualified service agency before the start of each heating season

This examination is necessary for continued safe operation. Particular attention should be given to deterioration from corrosion or other sources

This examination is accomplished in the following manner

1. Disconnect power to the unit and remove furnace section access panel

a. Disconnect the wires from the gas valve after noting which wires are connected to each terminal

b. Disconnect wires from the flame rod and ignition electrode

c. Disconnect the gas piping at the union

Warning: This procedure should be performed by trained personnel only!

If the flame current is not dropping, do not proceed with the cleaning.

Upload a photo of the flame sensor before cleaning

Cleaned the flame sensor with steel wool?

Enter the microamp signal after cleaning

Sign off on the flame sensor cleaning