- 40 -
INST
ALLA
TION
INSTALLATION
GY
WH
OR
GRYE
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
BL
C
1
3 2
1
3 2
1
2
Cylinder
thermostat
Room thermostat
A
B
MAINS
230V a.c.
Switched 3 Amp fused,
spur
L
N
Programmer
HTG
HW OFF
HW ON
L
N
Power supply
L
N
remove room
thermostat link
External control
terminal block
Room thermostat
A
B
5
4
Cylinder
thermostat
C
1
2
8
7
6
GY
WH
OR
GRYE
BU
2
3
8
5
7
MAINS
230V a.c.
Switched 3 Amp fused,
spur
L
N
2
3
1
Programmer
HTG
HW OFF
HW ON
L
N
2
1
4
6
7
Power supply
L
N
2
3
1
External control
terminal block
8
10 way
junction box
Valve colour key
WH --- White
GRYE --- Green/Yellow
GY --- Grey
OR --- Orange
BU --- Blue
Mid---position
diverter valve
HTG = Heating
HW ON = Hot Water ON
HW OFF = Hot Water OFF
u
b
k
b
n
b
u
b
k
b
n
b
BK --- Black
BN --- Brown
Fig. 6.22
Summary of Contents for RIVA PLUS HE 24S ERP
Page 55: ......