Daikin Packaged Rooftop System DPS020AHMG4DV-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

CAUTION: Severe loss of charge may occur if the high refrigerant pressure switch is replaced before reclaiming the refrigerant. Replace pressure switch after reclaiming refrigerant

Refrigerant Sensors or Switches serviced

DANGER: Hazardous voltage. May cause severe injury or death. Disconnect electric power before servicing equipment. More than one disconnect may be required to de-energize the unit

Continuity through all fuses measured

All electrical connections checked and are tight

Resistance to ground for each circuit checked and is infinite

Resistance phase to phase for each circuit checked

Check all moving parts for wear every six months

The Rebel exhaust fans are direct drive variable speed fan/motor combination, which do not have belts or pulleys to maintain

The bearings are permanently sealed and do not require periodic greasing. The Rebel 3-15 ton units have similar supply fans.

The Rebel 16-28 tons supply fans have a direct drive motor

These larger motors are not permanently sealed and will require greasing every 9000 hours

Sign off on the 9000 Hours / 6 Monthly Rooftop System Maintenance

Warning: This service requires trained personnel with PPE!

Phase voltage monitor functional?

If phase voltage monitor is not functional, report the issues to the maintenance team and stop the procedure

Are the readings matching the factory defaults?

Issues found during the service

The supply, condenser and exhaust fan motors are permanently lubricated and require no periodic lubrication.

Each unit as shipped is trim balanced to operate smoothly. To provide satisfactory operation after shipping and installation, use accepted industry guidelines for field balancing fans.

NOTE: Excessive vibration from any cause contributes to premature fan and motor bearing failure. Monitor overall vibration levels every six months of operation. An increase in levels is an indication of potential trouble.

Fan passed the post-maintenance test?

Sign off on the fan maintenance