Technical data

10
PROGRAMMER
PMUPRELIOB
ROOM STAT
ZONE VALVE(DHW)
(SUPPLIED)
ZONE VALVE (HTG)
PREMIER PLUS
TERMINAL BLOCK
JUNCTION BOX
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L NL N
G
Br Bl O
GY G Br Bl O GY
1
3 2
L
N
2
3
HTG DHW
ON
ON
221 3 123
321
2 3
2
3
L N
(SUPPLY)
1
3
Control terminal numbering may
differ from those shown. Refer to
instructions with controls
selected
A DOUBLE POLE ISOLATING
SWITCH MUST BE INSTALLED
IN THE MAINS SUPPLY.
ALL EARTH CONNECTIONS
BE CONNECTED BACK TO
THE MAINS EARTH SUPPLY
FIG. 7 Schematic wiring diagram - Basic 2 x 2 port valve system
FIG. 8 Schematic wiring diagram - 3 port mid position valve system. N.B. Must be used in
conjunction with 2 port zone valve suuplied
PROGRAMMER
BOILER
PUMP
ROOM STAT
ZONE VALVE(DHW)
(SUPPLIED)
ZONE VALVE (HTG)
PREMIER PLUS
TERMINAL BLOCK
JUNCTION BOX
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L N
G Br Bl O GY G
W
Bl O GY
132
L
N
2
3
2
2
3 123
2 3
2
3
L N
(SUPPLY)
1
3
L N
HTG DHW
ON
ON
1 2 3
DHW
OFF
Control terminal numbering may
differ from those shown. Refer to
instructions with controls
selected
A DOUBLE POLE ISOLATING
SWITCH MUST BE INSTALLED
IN THE MAINS SUPPLY.
ALL EARTH CONNECTIONS
BE CONNECTED BACK TO
THE MAINS EARTH SUPPLY