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1<br />
12<br />
3<br />
4<br />
5<br />
5-1 P.C.B.<br />
Indoor Unit Control P.C.B. (CR-X253GH)<br />
CN79 (RED) : HU1<br />
CN85 (BLU) : DPH<br />
CN76 (BLK) : OP1<br />
CN78 (BLU) : DP<br />
CN84 (WHT) : RN3<br />
CN81 (GRY) : T20<br />
CN80 (RED) : 26H<br />
D80 (RED)<br />
: Power lamp<br />
CN83 (WHT) : FMI<br />
JP1 (Jumper wire)<br />
: For sellecting the<br />
signal of T10.<br />
Shipment state<br />
: Pulse signal<br />
Jumper cut<br />
: Static signal<br />
CN71 (YEL) T10<br />
: External input and<br />
output terminal<br />
CN34 (GRN) : DISCHARGE<br />
AIR TEMP<br />
CN30 (BRN) : COIL E3<br />
CN6 (RED) EXCT<br />
: Forced thermostat<br />
OFF input terminal<br />
CN32 (BLK) : COIL E2<br />
CN31 (RED) : COIL E1<br />
E 2 P-ROM<br />
CN33 (YEL) : ROOM TEMP<br />
CN1 (WHT) : DISP PIN<br />
CN2 (WHT) : CHECK PIN<br />
CN3 (WHT) : TEST PIN<br />
CN5 (WHT) : FORCED OPR<br />
Note when replacing the indoor unit P.C.B.<br />
CN10 (YEL) CN7<br />
CN34<br />
T18 (RED)<br />
CN72<br />
HU (BLK)<br />
CN36<br />
CR-X253GH<br />
CN43<br />
(BLU)<br />
CN35 (GRN) : PNL CN41 (BLU) : Wired remote controller<br />
V-4<br />
CN42 (BLU) : For wireless remote controller<br />
5. Appendix<br />
CN77 (GRN) : LM<br />
CN74 (WHT) : RN2<br />
CN73 (BLK) : RN1<br />
F1 : Fuse 250V / 5A<br />
CN75 (WHT) : VCC<br />
CN9 (RED) : FS<br />
CN8 (WHT) : LS<br />
CN70 (WHT) : T6<br />
CN44 (BRN) : EMG<br />
CN40 (BLU) : OC<br />
F3 : Fuse 125V / 0.5A<br />
1208_THS_I<br />
When replacing the indoor unit P.C.B. for service, remove the *E 2 P-ROM of the original P.C.B. then attach it<br />
to the new P.C.B. since the original E 2 P-ROM has it's own data (ex. indoor unit address) to identify the unit.
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