Danfoss 103E7 Installation Manual page 9

Typical control of Heating when provided by
Combination type Boiler (see note below)
1
2
ROOM
'STAT
COM
INPUT OUTPUT
Note: Connection
230V signals
Typical Heating and Hot Water Control System
using 3 Port Mid-position Valve
1
ROOM
'STAT
N
WHITE
OR BLUE
BROWN
MID-POSITION VALVE
Danfoss Heating
3
CALL
N
must only be made if input/output of boiler are
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
GB