21
221873B
9 Electrical Connections
Diagram 9.3
7100
JUNCTION
BOX
3 AMP
FUSE
L
N
230V~50Hz
PERMANENT MAINS
SUPPLY
230V~50Hz
ROOM STAT.
230V~50Hz
FROST STAT.
TO BOILER
RED LINK.
REMOVE WHEN
CONNECTING
SYSTEM CONTROLS
5 WAY TERMINAL BLOCK
230V~50Hz
POTENTIAL
FROST STAT.
230V~50Hz
POTENTIAL
ROOM STAT.
(L)
(N)
(R1)
(R2)
JUNCTION
BOX
3 AMP
FUSE
L
N
230V~50Hz
PERMANENT MAINS
SUPPLY
230V~50Hz
ROOM STAT. USED AS LINK
230V~50Hz
FROST STAT.
TO BOILER
RED LINK.
REMOVE WHEN
CONNECTING
SYSTEM CONTROLS
5 WAY TERMINAL BLOCK
MAINS
POTENTIAL
FROST STAT.
MAINS
POTENTIAL
ROOM STAT.
(L)
(N)
(R1)
(R2)
JUNCTION
BOX
3 AMP
FUSE
L
N
230V~50Hz
PERMANENT MAINS
SUPPLY
230V~50Hz
FROST STAT.
NO ROOM STAT.
TO BOILER
RED
LINK
5 WAY TERMINAL BLOCK
MAINS
POTENTIAL
FROST STAT.
(L)
(N)
(R1)
(R2)
3 AMP
FUSE
L
N
230V~50Hz
PERMANENT MAINS
SUPPLY
POTENTIAL
FREE ROOM STAT. NO FROST STAT.
TO BOILER
RED LINK.
REMOVE WHEN
CONNECTING
SYSTEM CONTROLS
5 WAY TERMINAL BLOCK
POTENTIAL FREE
ROOM STAT.
(L)
(N)
(R1)
(R2)
DOUBLE
POLE
ISOLATOR
JUNCTION
BOX
3 AMP
FUSE
L
N
230V~50Hz
PERMANENT MAINS
SUPPLY
230V~50Hz ROOM STAT. NO FROST STAT.
TO BOILER
RED LINK.
REMOVE WHEN
CONNECTING
SYSTEM CONTROLS
5 WAY TERMINAL BLOCK
MAINS POTENTIAL
ROOM STAT.
(L)
(N)
(R1)
(R2)
5 WAY TERMINAL BLOCK
TO BOILER
RED LINK.
REMOVE WHEN
CONNECTING ANY
HEATING SYSTEM
CONTROLS
TIME
CONTROL
CLOCK
SWITCH
CONTACTS
(L)
(N)
(R1)
(R2)
JUNCTION
BOX
3 AMP
FUSE
ROOM
THERMOSTAT
FROST
THERMOSTAT
L
N
E
230V~50Hz
PERMANENT
MAINS SUPPLY
ELECTRICITY SUPPLY CONNECTIONS
EXTERNAL CLOCK
INTEGRAL CLOCK
INTEGRAL CLOCK
INTEGRAL CLOCK
INTEGRAL CLOCK
INTEGRAL CLOCK
DOUBLE
POLE
ISOLATOR
DOUBLE
POLE
ISOLATOR
DOUBLE
POLE
ISOLATOR
DOUBLE
POLE
ISOLATOR
DOUBLE
POLE
ISOLATOR
E
E
E
E
E