Glow-worm SUSTAIN 25c -A - E Connection Diagram: Combination Unit

Appendix
0020200954_00 SUSTAIN ..c Installation and maintenance instructions 35
Fault code Meaning Possible cause
F.85 Fault: Temperature sensor The flow and/or return temperature sensors have been installed on the same
pipe/incorrect pipe
Temperature sensor not connected or is connected incorrectly
F.86 Fault: Underfloor heating contact Underfloor heating contact open, sensor disconnected or defective
F.87 Fault: Electrodes Electrodes not connected or they are connected incorrectly, short circuit in
the cable harness
F.88 Fault: Gas valve Gas valve not connected or it is connected incorrectly, short circuit in the
cable harness
F.89 Fault: Pump Pump not connected or it is connected incorrectly, incorrect pump connec-
ted, short circuit in the cable harness
Connection No communication between the PCB
and the user interface
Electronics defective
E Connection diagram: Combination unit
X2
X14
L
N
19
10
20
2
6
3
11
13
14
18
7
17
8
X51
X51
X20
16
1
9
3
15
4
5
10
11
6
13
X51 X35
X20
X40 X51
X30
X2
X21
X41
X22
X14
L
N
–
+
24V=
RT BUS
Burner
off
RT
230Vac
X1
FUS
X106
X32
X90
X12
X35
X1
X21
L
N
RT 230Vac
L
N
X35
1
3
4
1
3
3
1
2
M
1
3
4
6
1
2
3
eBUS
Burner off
X106
M
5
4
2
1
2
1
2
1
N
L
L
24V
230V~
24V
230V~
2
8
9
10
11
1312
1
5
4
3
6
7
15
14
1 Main PCB 2 Interface PCB