13
IMPORTANT NOTE:
It is important that you always refer to the Boiler Manufacturers Instructions concerning electrical wiring before using
the information contained in this manual. In some cases the Boiler Manufacturers Instructions will contain information
regarding removal of certain link wires and will always indicate the fuse for the main electrical supply.
Combination boiler model
Chaffoteaux Celtic 2.20 OFF
N
PH
7
6
ELM Leblanc GVM 420
See special circuit
Glowworm Fuelsaver
N
L
8
7
Ravenheat
N
L C
D
Saunier Duval SD 620F
N
L
2
3
Saunier Duval SD 123C
N
L
2
1
Saunier Duval SD 235C
N
L
2
1
Saunier Duval SD 135V
N
L
2
1
Saunier Duval SD 625M
See special circuit
N
L
E
Supply
Roomstat
QE1 Terminals
Summary of Contents for Towerchron QE1
Page 8: ...Open here if you are programming Towerchron QE1 8...
Page 9: ...9...
Page 25: ...16 ELM Leblanc GVM 420...
Page 26: ...Open here if you are programming Towerchron QE2 17...
Page 27: ...18...
Page 43: ...34...