Daitsu FMCD*ECM series - Air Purging; Wiring Connections; B.2.3. Air Purging

Page 18 of 62
SK2014‐SON‐002‐TechMnl‐FMCD‐003
B.2.3. AirPurging
1. Afterconnectingthewaterinletandoutletpipestothemainsupplylinesturnonthemainbreakerandoperate
theunitinCOOLINGmode.
2. Openthewaterinletvalveandfloodthecoil.
3. Checkallconnectionsforwaterleakage.Ifnoleakisfoundopenthewaterpurge/airventvalvewithanopen
end wrench and support the unit by hand. Then purge the air trapped inside the coil. When performing this
activity,takecarenottotouchtheelectricalparts.
4. Closethewaterpurge/airventvalvewhennobubblesappear.
5. Openthewateroutletvalve.


B.2.4. WiringConnections

Unitcomponentsarewiredtotheterminalblockoftheindoorunit.Wiringcanbeaccessedfromtheterminal
blockinsidethecontrolbox.
