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2
• Wiring diagrams
3 port system
2 port system
MOUNTING OF THE PROGRAMMER
1-
Replace the programmer on the wall
mounting plate.
2-
Secure the programmer by screwing
both locking screws under the pro
-
grammer.
N
L
1
2
3
4
L
E
N
N
L
3
4
5
7
8
9
10
6
3A
max
PRG7
2 Channel programmer
RT7
Room
Thermostat
Cylinder
Thermostat
Boiler
and Pump
connections
Mid position
valve
Junction Box
B
G/Y
O
W
Gr
220V-240V~
50Hz
Switched live
Com
Com
NO
NC
NC
W =
White
Gr =
Grey
O =
Orange
G/Y =
Green/Yellow
B =
Blue
NC
NC Com
NO
Com
N
L
1
2
3
4
L
E
N
N
L
3
4
5
7
8
9
10
6
3A
max
PRG7
2 Channel programmer
RT7
Room
Thermostat
Cylinder Thermostat
Boiler
and Pump
connections
B
G/Y
O
Gr
Br
Br
220V-240V~
50Hz
Junction Box
Zone valve
Zone valve
Br =
Brown
Gr =
Grey
O =
Orange
G/Y =
Green/Yellow
B =
Blue
N =
Neutral IN
L =
Live IN
1 =
HW/Z2: Normal close output
2 =
CH/Z1: Normal close output
3 =
HW/Z2: Normal open output
4 =
CH/Z1: Normal open output
• Internal wiring
HW
OFF
L
N
N
L
1
2
3
4
220V-240V~
50Hz
6A
max
CH
OFF
HW
ON
CH
ON
OFF
Clock
OFF ON
ON
x2