Daikin McQuay 300048456 CONTROL BOARD RTFT-400029-02 RETROFIT D3 TO MX2 RDB6-302-C REPLACES DAIKIN MCQUAY 300042925, 300030432, 300042172 BIPC-300043-03. CONSISTS OF MX2, BIPC-300065-01 AND WORK INSTRUCTIONS. D3 TO MX2 RETROFIT.