Wiring - Danfoss 103 Installation And User Manual

Wiring

103 Terminals
1
Com
N
1) Control of Heating Function only
Note: If room thermostat is not required, join
timeswitch terminals 1 and 2 with a link
103 Terminals
1
Com
N
Call
L
Terminals
3) Typical gas or oil fired heating system
6
TYPICAL EXTERNAL CIRCUITS
5
2 3
Link
Room
Stat
Call
L N
Load
Terminals
(Mains Voltage)
suitable for full load current).
2 3 5
Link
Room
Stat
L N
N
Boiler
Pump
Terminals
with gravity hot water primary and
pumped heating
103 Terminals
6
1 2 3
L
N
Mains
Supply
Low
voltage
room stat
Load
2) Control of Low Voltage Systems
(e.g. warm air gas valves, low voltage
burners
103 Terminals
6
1 2 3
L
N
Com
N
Mains
Supply
Call
Room
Stat
Input Output
Boiler Terminals
4) Typical control of heating when used with
combination type boilers
5 6
L
N
Mains
Supply
Low voltage
supply/return
5 6
L
N
Mains
Supply
N L