Daikin Rooftop System MPS 035F

Warning: This maintenance check requires trained personnel with PPE!

Heater and Ventilating systems should be inspected by a qualified service agency once a year.

Heater and Ventilating systems inspection passed?

Issues found during the Heater and Ventilating systems inspection

Gas Train - Check all valves, piping and connections for leakage. Inspect and clean flame rod, ignition electrode, and burner manifold.

Issues found during the Gas Train inspection

Condensate Pan/Drain/P-Trap - Check pan, drain, and p-trap.

Condensate Pan/Drain/P-Trap inspection passed?

Warning: Disconnect power to the drive motor before starting the procedure.

Power to the drive motor disconnected

Upload a photo of the node of the segment inserted between hub plates

Segment pressed towards the center of the wheel and inwards against the spoke flanges

Segment Retainer closed and latched under the Segment Retaining Catch

Wheel rotated 180° and second segment installed opposite the first for counter balance

Two installed segments rotated 90° to balance the wheel while the third segment is installed

Wheel rotated 180° again to install the fourth segment opposite the third

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

CAUTION: Sharp edges are inherent to sheet metal parts, screws, clips, and similar items. May cause personal injury. Exercise caution when servicing equipment.

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

IMPORTANT: Refrigerant Piping: A qualified Architect or Systems HVAC Design Engineer familiar with refrigerant piping design, as well as local codes and regulations, must provide refrigerant piping design.

WARNING: 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.

Planned Maintenance: Preventive maintenance is the best way to avoid unnecessary expense and inconvenience. Have this system inspected at regular intervals by a qualified service technician.

Routine maintenance should cover the following items:

NOTE: A partially full sight glass is not uncommon at part load conditions. A varying amount of bubbles may be noticeable in the sightglass, which is normal.

Warning: This procedure requires trained personnel with PPE!

Are the diameter seal adjusting screws loosened?

Are the seals backed away from the wheel surface?

Is the wheel rotated clockwise until two opposing spokes are hidden behind the bearing support beam?

Is the folded piece of paper positioned between the wheel surface and diameter seals?

Are the seals adjusted towards the wheel surface until a slight friction on the feeler gauge (paper) is detected when gauge is moved along the length of the spoke?

Are the adjusting screws retightened?

Is the clearance rechecked with “feeler” gauge?

Sign off on the air seals adjustment

Check burner fan wheel for dirt buildup and lint

Check combustion air intake louver and flue box for dirt buildup and accumulation of windborne debris

Inspect flue tubes and combustion chamber, cleaning as required

Keep burner vestibule clean. Dirt and debris can result in burner air blockages

Sign off on the rooftop system maintenance