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L1 N T1 T2 S3 B4
L1 N T1 T2 S3 B4
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1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 1 2 3
L1 N T1 T2 S3 B4
B5 T6 T7 T8
3
4
230V ~ 50 Hz
56
MM
FF
X1 X2 X3 X4
F
M
BG 2000-M/101
1 2 3 4 5 C 1
B5 T6 T7 T8
L1 N T1 T2 S3 B4
L1 N V1 V2 V1 V2
2
1
13 14 15 17
16
BG 2000-M 71/101
HEATMASTER 71/101
ACV / MCBA
11
INSTALLATION
HeatMaster 71/101 and
burner wiring diagram legend
1. 7-pin burner plug connector
2. 4-pin burner plug connector
3. On/off switch
4. Power and pump connection
5. Central heating pump
6. HeatMaster shunt pump
7. Room thermostat
8. Low water pressure switch
9. Primary temperature detector NTC 1
10. Primary temperature detector NTC 2
11. Hot water temperature detector NTC 3
12. Summer/winter switch
13. Fan power supply 230 volts
14. Fan PWM
15. Gas valve rectifier
16. Gas valve rectifier (HM 101)
17. Gas pressure switch (optional)
Y/Gr
Br
Bk
B
Br
B
Br
R
G
B
B
Br
Y/Gr
Bk
Br Br
BB
Or
O-W
Bk
R
B
B
G
Br
Y/Gr
Bk
O-W
Br
B
Y
B
Br
Bk
O-W
Br
B
Y
Br
O-W
Y/Gr
Bk
Y
O-W
Y/Gr
Y/Gr
Br
Y/Gr
Bk
Bk
B
Y
Y/Gr
Br
B
R
G
Gr
B
W
R
Or
B
B
Bk
Or
R
Gr
G
GOr
Or Or
G
Bk
O-W
B
W
R
Or
B
B
Bk
Or
Br
B
Br
B
Br
B
B. Blue
Br. Brown
Bk. Black
Or. Orange
G. Grey
R. Red
O-W. Off-white
W. White
Y. Yellow
Gr. Green
Y/Gr. Yellow / Green