Danfoss 103E7 Installation & User's Instructions page 9

Typical control of Heating when provided by
Combination type Boiler (see note below)
1 2
ROOM
'STAT
COM
Note: Connection
signals
Typical Heating & Hot Water control system usuing
3 port mid-position valve
1
ROOM
'STAT
N
WHITE
OR
BLUE
BROWN
MID-POSITION VALVE
3
CALL
N
INPUT OUTPUT
must only be made if input/output of boiler are 230V
2 3
LINK
CYL.
COM
'STAT
CALL
SAT
RED OR
GREY
ORANGE
5 6
103E7
103E7
TERMINALS
TERMINALS
L
N
COMBI BOILER
N L
TERMINALS
5 6
103E5 103E7
TERMINALS
TERMINALS
L
N
BOILER &
PUMP
TERMINALS
L N
MAINS
SUPPLY
FUSED
3 AMP
MAINS
SUPPLY
FUSED
3 AMP
9