4 - 1
PCB and Functions
Contents
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4. PCB AND FUNCTIONS
1. Outdoor Unit Control PCB .................................................................................................4-2
1-1. Outdoor Unit Control PCB CR-CHDZ09663 ..................................................................4-2
1-2. Outdoor Unit Filter PCB FIL-CHDX14053 .....................................................................4-3
1-3. Outdoor Unit HIC Board HIC-CHDX14053 ....................................................................4-3
1-4. Functions (for CR-CHDZ09663) ....................................................................................4-4
2. Indoor Unit Control PCB ....................................................................................................4-7
2-1. AC Fan Motor (for CR-UHX0762) ..................................................................................4-8
2-2. DC Fan Motor (for CR-UMHX0762) ..............................................................................4-8
2-3. XM Type (for CR-XMHX1252, POW-XM075XH) ...........................................................4-9
2-4. CR1 (for CR-KR74GXH56A/KHX0752~KHX1252) (Wall-Mounted) ............................4-10
2-5. CR1 (for CR-KR254GXH56A/KHX1862~KHX2452) (Wall-Mounted) ..........................4-11
2-6. CR2 (for POW-KH2672R/KHX0752~KHX2452) (Wall-Mounted) ................................4-12
2-7. Explanation of Functions .............................................................................................4-13
2-8. Explanation of Functions (CR-KXRP56AN, CR-KXRP80AN, POW-KRP50A) ............4-16
2-9. Instructions for Connecting External Heater to ECO-i Indoor Units ............................4-18
SM830183-003WAYECO-i.indb1SM830183-003WAYECO-i.indb1 2010/03/0311:14:582010/03/0311:14:58