Daikin Packaged Rooftop System DPS025AHMG4PV-4

Warning: This maintenance requires trained and experienced service technician

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

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

Warning: 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

Warning: 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

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

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

Warning: Disconnect all electric power to the unit when servicing control panel components

Danger: Hazardous voltage. May cause severe injury or death. Disconnect electric power before 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!

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

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

The Rebel unit has many configurable options that can affect the refrigerant charge. Actual unit charge is given on the unit's data plate found on the inside of the control panel

The Rebel unit uses electronic expansion valves that maintain peak efficiency. Liquid sub-cooling and suction super heat float and should not be used as an indication that charge needs to be added or removed from the system

If a leak is suspected, the full charge should be removed and weighed. Weight should be compared against the unit nameplate data. Unit should be recharged with the amount given on the unit nameplate

POE and PVE oil is hygroscopic and does absorb moisture when exposed to atmosphere. Steps should be taken to minimize exposure time to atmosphere during any maintenance where the sealed system is to be opened

Rebel 003-015 refrigerant systems use only Polyvinylether (PVE) oil. Rebel 016-028 refrigerant systems use only Polyester (POE) oil

NOTICE: Do not use POE oil in DPS 003-015 refrigerant systems and do not use PVE oil in DPS 016-028 refrigerant systems

The entire system must be evacuated using a suitable vacuum pump

The quality of vacuum is measured using a suitable micron gauge that has been calibrated