Service manual

11-14
CONTROL SYSTEM
SM DUO38 1-E.1 GB
Model selection Jumper – J6, J7
Model J7 J6
9000 Btu/hr
12000 Btu/hr
18000 Btu/hr
24000 Btu/hr
0 0
0 1
1 0
1 1
J8- Clock/Power Shedding
Operation J8
Clock 0
Power Shedding 1
J9 – IFAN Cycling Disabling
Display Mode
(wall mounted units only)
J9
LCD 0
LED 1
11.21.2 Outdoor Unit Controller
11.21.2.1 JP9 JUMPER LAYOUT
Reserved (PIN 9) ODU3 (PIN 7) ODU2 (PIN 5) ODU1 (PIN 3) ODU0 (PIN 1)
GND (PIN 10) GND (PIN 8) GND (PIN 6) GND (PIN 4) GND (PIN 2)
11.21.3 ODU MODEL SELECTION
ODU3 ODU2 ODU1 ODU0 ODU Model
OFF OFF OFF OFF Reserved
OFF OFF OFF ON (PIN1 & PIN2) A (DCI 25)
OFF OFF ON (PIN3 & PIN4) OFF B (DCI 35)
OFF OFF ON (PIN3 & PIN4) ON (PIN1 & PIN2) C (DCI 50)
OFF ON (PIN5 & PIN6) OFF OFF D
OFF ON (PIN5 & PIN6) OFF ON (PIN1 & PIN2) E (Duo)
OFF ON (PIN5 & PIN6) ON (PIN3 & PIN4) OFF F
OFF ON (PIN5 & PIN6) ON (PIN3 & PIN4) ON (PIN1 & PIN2) G
ON (PIN7 & PIN8) OFF OFF OFF H
ON (PIN7 & PIN8) OFF OFF ON (PIN1 & PIN2) I
ON (PIN7 & PIN8) OFF ON (PIN3 & PIN4) OFF J
ON (PIN7 & PIN8) OFF ON (PIN3 & PIN4) ON (PIN1 & PIN2) K
ON (PIN7 & PIN8) ON (PIN5 & PIN6) OFF OFF L
ON (PIN7 & PIN8) ON (PIN5 & PIN6) OFF ON (PIN1 & PIN2) M
ON (PIN7 & PIN8) ON (PIN5 & PIN6) ON (PIN3 & PIN4) OFF N
ON (PIN7 & PIN8) ON (PIN5 & PIN6) ON (PIN3 & PIN4) ON (PIN1 & PIN2) O
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