30
Gravity HW, Pumped CH with Room Stats
WIRING THE PROGRAMMER Cont...
Connection Charts
Installer note: After installation, tear along perforations indicated and retain this section - only leave
the User instructions with the end user
Installer note: After installation, tear along perforations indicated and retain this section - only leave
the User instructions with the end user
LWC3 Junction Box
Pump
Boiler
Room Thermostat
Cyl. Thermostat
Programmer
Mains Input
230V 50HZ
*7 2 3
L
N E
* 1
2 3
7
N E
Switch
L
Perm.
L
Refer to Boiler Handbook
for wiring details
2
1
3
4
5
6
7
8
9 10 11 12
L
N
E
Spring-Return 2-Valve System
LWC3 Junction Box
Pump
Boiler
Room Thermostat
Cyl. Thermostat
Programmer
Mains Input
230V a.c.
Motorized Valves
*7
2
E
L
N E
* 1
2 3
7
N E
Switch
L
Perm.
L
RTS 1&2
RTS 4,6,9&10
Function
N
N
N
L
L
E
L 1
3
3
COM
CALL
SA
T.
Function
COM
CALL
SA
T.
Drayton
HTS 3
C 1 2
Lifestyle LP722 LP522 LP241 LP112 SM2
NOT
USED
2
N
1
L
1
2
3
4
HW
OFF
CH
OFF
HW
ON
CH
ON
Mains
Isolator
1
L
2
N
3
E
3A
Drayton
22mm 3 Port Mid Position Valve
28mm 3 Port Mid Position Valve
Function of
Leads
Blue
Yell/Green
Grey
Orange
White
3 2 1 4 5
6 7 8
8
6
4
CH
On
HW
Off
Boiler
Live &
HW on
N
E
5
8
7
2
3
1
2
3
4
5
6
7
8
9 10 11 12
L
N
E
Refer to Boiler Handbook
for wiring details of Pump
Overrun boilers. Use boiler
manufactures instructions.
*
Mid-Position Valve System
Pump
L
N E
5 2 3
Boiler
* 1
2 3
7
N E
Switch
L
Perm.
L
LWC3 Junction Box
1
2
3
4
5
6
7
8
9 10 11 12
L
N
E
Programmer
Lifestyle LP722 LP522 LP241 LP112 SM2
NOT
USED
2
N
1
L
1
2
3
4
HW
OFF
CH
OFF
HW
ON
CH
ON
7
4
Mains Input
230V a.c.
Mains
Isolator
1
L
2
N
3
E
3A
Room Thermostat
RTS 1&2
RTS 4,6,9&10
Function
N
N
L
L
E
L
1
3
3
COM
CALL
SA
T.
3 1 2 4 5
N
