Section 4: Pcb And Functions - Panasonic U-72MF1U9 Service Manual

Contents
1. Outdoor Unit Control PCB .................................................................................................4-2
1-1. Outdoor Unit Control PCB CR-U-96MF1U9 ..................................................................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-U-96MF1U9) ....................................................................................4-4
2. Indoor Unit Control PCB ....................................................................................................4-7
2-1. AC Fan Motor (for CR-U-07MF1U6) ..............................................................................4-8
2-2. DC Fan Motor (for CR-U-07MM1U6) .............................................................................4-8
2-3. XM Type (for CR-S-12MY1U6, POW-XM075XH) ..........................................................4-9
2-4. CR1 (for CR-KR74GXH56A/S-07MK1U6~S-12MK1U6) (Wall-Mounted) ...................4-10
2-5. CR1 (for CR-KR254GXH56A/S-18MK1U6~S-24MK1U6) (Wall-Mounted) .................4-11
2-6. CR2 (for POW-KH2672R/S-07MK1U6~S-24MK1U6) (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 VRF Indoor Units ...............................4-18
TENTATIVE
4. PCB AND FUNCTIONS
4 - 1
PCB and Functions
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