York YUHA 18 FS Service Manual

Contents

5. Wiring DiagramsYUHA 18 FSIndoor unitRT 2 RT 1XT 2XS1 ~4XP1 ~4CN1 - CN2 4RT2RT1T 4XT1CAP 1F AN 1L 32( N)1NXT 1KM1KM14 5XT2FAN1DISPLAYBOARDCAP1T47- WAY TERMI NALTRANSF ORME RROOM T EMP. SENSO RPI PE T EMP. SENSO RCONNECTORSCONNECTORSP. C. BOARD SOCKET SMAIN CONTROL BOARDY/ GCN15CN10C N16CN 1CN 2CN3CN 7CN 5CN 8XP1XS1REDWIRING DI AGRA MXS3XP3TO OUTDOOR U NIT TO OUTDOOR UNITRE DY/GXS 4XP 4RL 6RE DRELAY FORCOMPRESSORPOWERWH IT E(WHI T E)( RED )BROWNBROW NBL AC KBLUEBL UEBR OWNGR EEN WHI T E2- WAY TERMI NALRED BL AC KT3 E( NOTE:P LEASE USE SHIE LD L I NE)CODE PART N AM EI NDOOR F AN CAP .I NDOOR F ANCN20TO WI RE CONTROLL ER2 2 08 60 9 488CN20 NET C ONTROL INTERFA CECN20N ET M O D U LETO C CMOutdoor unit:RED( C)TO I NDOOR UNIT4- WAY VAL VETO I NDOOR UNI TX T1XT2T3 EBROWNWHI TEF ANMOTORTEMP. S ENSOROF CONDENSATORXS1XP1WHITE1 3 4BLU E(S. V)BLUE( N) BL UEFANCAP AC IT ORBLACKY/GCOMPRES SO RCBLUE( R)Y/GRWHI TE( S)SCOMPRESSORC APACI TORWI RI NG DI AGRAM( OUTDOO R UN IT )GRE ENN