Installation 5
uniSTOR GB
19
5.4.5.4 Connection details for connection to any UK standard boiler
Fig. 13 2 x 2 port valve system
1
N
2
L
not used
External wiring box
(Do not use pre-wired printed circuit board type)
E
1/N
N/U
N/U
N/U
2/L
E
CE
1/N
2/L
E
1/N 2/L
7
10
E
PL PN PE
PL PN
FS RS
PE
E
E
10
1/N
2/L
E
RS
9
1/N
2/L
7
6
6
9
E
1/N
Room Thermostat
8
7
6
5
Boiler Terminal
Main Supply
3 Amp Fused
4
3
1
3
4
5
6
7
8
9
10
2
1
2
3
uniSTOR VIH GB ...
Heating Zone
Cylinder Stat
E
BL BR
Spring Return Zone
Valve
GR OR
L
N
Pump
E
BL BR
Spring Return Zone
Valve
GR OR
L
N
HW
OFF
CH
OFF
HW
ON
CH
ON
2 Channel Programmer
L
N
COM
N SW/L
E
Boiler Terminal Designation:
L, 1:
Mains Live
RS, 2: Room Thermostat
FS, 3: Frost Stat
N, 4:
Mains Neutral
E, 5:
Mains Earth
PE, 6: Pump Earth
PN, 7: Pump Neutral
PL, 8: Pump Live
CE:
Chassis Earth
BR
Brown
BL
Blue
GR
Grey
OR
Orange
W
White
DHW Domestic Hot Water
HTG Heating
Important:
1-10 must go to the corresponding number in the wiring
box.