Daikin Dedicated Outdoor Air System WGOV012K1RFBBLB002000S7500

Ensure all units are maintained

Verify motors are permanently lubricated and require no oiling

Record water pressure drop (heating)

Record water pressure drop (cooling)

Compare logged data with start-up and annual data

Install field sensors and land wires on the terminal block

LOCKOUT/TAGOUT all power sources prior to wiring or servicing the unit

Disconnect electric power before servicing equipment

Check unit configuration settings prior to operating the unit

Open water valves to full-open position and turn on power to the conditioner

Provide field input for the following

Enable trending if an SD card is installed in the main control board

Use default setpoints or change if desired

Lubrication Compatibility Check

Verify lubricant compatibility with R-410A

Ensure system is charged with OEM recommended lubricant for R-410A

Is the system ready for use with R-410A?

Gently unscrew the filter from the probe

Was the filter rinsed under warm water until clean?

Was warm soapy water used for cleaning, if necessary?

Gently replace the filter by screwing it back into the probe

Did the filter screw all the way into the probe?

Ensure all construction dirt and debris are removed from the water circulating system.

Connect supply and return run-outs together at each conditioner location if equipped with water shutoff valves.

Fill the system at the city water makeup connection with all air vents open.

Close all air vents after filling.

Start main circulator with the pressure reducing valve open.

Check vents in sequence to bleed off any trapped air

Is power to the heat rejector unit off?