Technical data

SERVICING
AND
MAINTENAN
CE
INSTRUCTIONS
_
CONDENSING WALL-HUNG BOILER – TG05A052.A0205
38
WIRING DIAGRAMS – mod. RHR 28
PRINTED CIRCUIT BOARD CVI-M SM20015 (cod. 76655LA)
ELECTRONIC IGNITION BOARD
CVI S4565 A 2019B (COD. 76631LA)
R
1918
M4
20 21 22
C
C S
VD
SS
45 484647 49 50
SR
MF
M8
CONNECTOR FOR
SM6545QM 1012
12
11
M5
M3
M6
M7
M11
M13
M2
M5
5 6 7 8 9
EV
C
NC
PA
NO
1 2 3
M1
4
IG
RS
1210 11 13 14 1615 17
M3
47 6 510 9 8 3 2 1
+ -
+
5655 57 58
1.5 bar
6059 61
M9
PWM
-
M10
535152 54
Optional
TERMINAL
BLOCK
230V
50 Hz
L
N
TA
SE
DISPLAY DIGITAL BOARD 2000 SKO6206
(COD. 76654LA)
M4
M2 M1
M12
M10
M8
M9
red
black black black
black
white
light-blue
brown
light-blue
black
grey
brown
light-blue
brown
light-blue
black
brown
black
brown
light-blue
brown
light-blue
black
black
black
black
- SAFETY THERMOSTAT
- OUTDOOR SENSOR
- ROOM THERMOSTAT
- IONISATION ELECTRODE
- FAN
- 3-WAY DIVERTER VALVE
- IGNITION ELECTRODE
SE
N
- NEUTRAL
SR
C
MF
IG
SS
PA
PAC
- HEATING SENSOR
- CIRCULATION PUMP
- AIR PRESSURE SWITCH
- D.H. WATER SENSOR
- ELECTRONIC FLOWSWITCH
- WATER PRESSURE SWITCH
- MAIN SWITCH
EA
ER
EV
TA
VD
L
KEY
- LINE
TS
11
L
12
N
4
LM
9 10 8 67 5
+ -
PWM
3 2 1
PAC
brown
black
brown
brown
light-b lue black
SF
ER EA
Bloc
RT
SF
- CONDENSATE TRAP
TEMPERATURE