3
Skeleton Diagrams
GT/GTM/GTU 110/120 + CF 140 EB
BL
1
GR
ALI
BA
L1
N
PH
TF
W
BA
BL
GR
MA
NO
OR
RO
V/J
18
2
3
External connection
Connection to the boiler
Connection to the flue gas
thermostat
Heating pump
Power supply
Terminal
Live
Neutral
Live
Flue gas thermostat
Connector
Earth
White
Blue
Grey
Brown
Black
Orange
Red
Green/Yellow
RO
AC6
8490N001-C
(8490-4900)
25/06/2012 - 8490-4007-000-01