Daikin Packaged Rooftop System DPS018AHMG2DW-4

Check vent terminal screens for blockages and accumulation

Heater and the Venting System shall be inspected once a year by a qualified service agency.

Check all valves, piping and connections of Gas Train for leakage with a rich soap solution or UL 913 combustible gas leak detector. Any bubbling is considered a leak and must be eliminated.

Inspect and clean flame rod, ignition electrode, and burner manifold

Remove any debris that may have accumulated in the drain pain and drain

Sign off on the rooftop system maintenance

Warning: This maintenance requires trained and experienced service technician

Fuel pressure settings and control settings should be made only by persons thoroughly experienced with the burner and control system

Always replace covers on burner controls and boxes as the electrical contacts are sensitive to dust and dirt

Perform maintenance of controls, gas valves, and other components in accordance with instructions in the manufacturer’s bulletins

Installation and maintenance must be performed only by qualified personnel who are experienced with this type of equipment and familiar with local codes and regulations

Gas or Hot Water Piping: A qualified Architect or Systems HVAC Design Engineer familiar with piping design, local codes and regulations, must provide piping design

Moving machinery and electrical power hazards. May cause severe personal injury or death. Disconnect and lock off all power before servicing equipment

Sharp edges are inherent to sheet metal parts, screws, clips, and similar items. May cause personal injury

Exercise caution when servicing equipment

Clean Option E Coated Coils Surfaces

Quarterly cleaning is essential to extend the life of an Option E Coated Coil and is required to maintain warranty coverage

Coil cleaning shall be part of the unit's regularly scheduled maintenance procedures

Failure to clean an Option E Coated Coil will void the warranty and may result in reduced efficiency and durability in the environment

Cleaned the coil with the approved coil cleaner?

Used the approved chloride remover to remove soluble salts and revitalize the unit?

Warning: This service requires trained personnel with PPE!

Is the current sensing donut on the power wires to the compressor(s) functional?

Is the device monitoring the balance between the three phase power and the neutral conductor?

Note: The device is not intended to provide overcurrent or short circuit protection to the equipment.

Is the device opening the 120V controls circuit in a fault condition?

Is there an open condition on the ground fault interrupter?

Report any issues found during the service

Sign off on the Compressor Ground Fault Interrupter Service

Check combustion inducer fan for dirt buildup and lint

Check combustion air intake louvers and flue box/vent for accumulation of dirt and debris

Inspect and clean flue tubes and combustion chamber

Keep burner vestibule clean. Dirt and debris can result in poor combustion and lower efficiency

Sign off on the rooftop system maintenance