58
6.6.2 Removing the P.C.B.
1. Isolate electricity;
2. Remove the inspection cover from the reverse of the
control panel, unscrew the screws “C7” (F
IG
. 6.85);
3. Unplug all electrical connections from the recuperator
P.C.B on the reverse of inspection cover (F
IG
. 6.86);
4. Unscrew the recuperator P.C.B mounting screws “C8”
(F
IG
. 6.87);
5. Unplug the electrical connection from the P.C.B.;
6. Unplug carefully the EEPROM “C9” (F
IG
. 6.88);
7. Remove the screws “D1” (F
IG
. 6.89);
8. Separate the facia panel from the rear of the control
panel ;
9. Remove the main P.C.B., unscrew the screws “D2”,
and disconnect the P.C.B. connection cable “D3” (F
IG
.
6.90)
10. Unscew the display P.C.B. mounting screws “D4”
(F
IG
. 6.91);
11. Remove the display P.C.B. (F
IG
. 6.92);
12. Replace either P.C.B. in reverse order;
13. Use the correct EEPROM key “C9” supplied with the
new spare part.
F
IG
. 6.85
C7
C7
F
IG
. 6.86
F
IG
. 6.87
F
IG
. 6.89
F
IG
. 6.90
D1
D1
D1
D1
C8
C8
F
IG
. 6.88
C9
D2
D2
D2
D3
Содержание microGENUS HE 24 MFFI
Страница 20: ...20 Fig 2 22 NOTE DRAWINGS ARE INDICATIVE OF FLUEING OPTIONS ONLY TYPE 1 TYPE 5 TYPE 4 TYPE 3 TYPE 2 FIG 2 21...
Страница 68: ...68 10 BENCHMARK COMMISSIONING CHECKLIST...
Страница 69: ...69 11 SERVICE INTERVAL RECORD...
Страница 70: ...70...
Страница 71: ...71...