User Manual

Technical Data
Operating Voltage AC 220-240 V
Frequency 50 Hz
Contact Rating
- resistive 6 Amp
- inductive 2 Amp
Ambient temperature range 0°C to 40°C
Environmental humidity 80% RH
Housing ABS resistant to fire as IEC 730 standard
Dimensions 145mm wide x 90mm high x 34mm deep
Siemens Building Technologies
Hawthorne Road
Staines
Middlesex
TW18 3AY
Technical helpline 0870 850 0184
Application Examples
Pumped Central Heating
with Gravity hot water
(10 programmes)
Mid-Position System
(16 programmes)
Zone valve system
(16 programmes)
Key
1 Boiler
2 Hot water cylinder
3 Pump
4 Heating Circuit
5 Programmer RWB
6 Cylinder thermostat RAM
7 Three Way Valve CMV..
8 Room thermostat RAA
9 Zone valve CZV...
Wiring Diagrams
Pumped Central Heating
with Gravity hot water
Mid-Position System Zone valve system
RWB
BACKPLATE
N L 1 2 3 4
Room Thermostat
Y1 L
RAA20
1 2 3 4 5 6 7 8 9 10
JB1
Junction Box
3 Amp Fused Spur
240 volt input
N L E
3A
Boiler Pump
E N L E N L
RWB
2 Channel Programmer
N L 1 2 3 4
Boiler and Pump
connections.
Please refer to note 1.
Cylinder Thermostat Room Thermostat
2 3 1
RAM
Y1 L
RAA20
Mid position valve
FLOWMINDER
CMV322/CMV328
N L E S/L
1 2 3 4 5 6 7 8 9 10
JB1
Junction Box
3 Amp Fused Spur
240 volt input
N L E
3A
RWB Terminal Configuration
1. Off- Hot Water
2. Off- Central Heating
3. On - Hot Water
4. On - Central Heating
Flowminder Colour Codes
G/Y = Green/Yellow
B = Blue
O = Orange
Gr = Grey
W = White
L
S/L
N
E
P/L on
boiler
Live (2)
Switched Live (5)
Neutral (1)
Earth (3)
Pump Live
(5) Boiler Live
& Pump Live
(1) Neutral
(3) Earth
Boiler requiring
Pump overrun
NOTE 1
Basic
Boiler
B
G/Y
O
Gr
W
RWB
2 Channel Programmer
N L 1 2 3 4
Boiler and Pump
connections.
Please refer to note 1.
Cylinder Thermostat Room Thermostat
1 2
RAM
Y1 L
RAA20
ZONEMINDER
CZV222
ZONEMINDER
CZV222
N L E N S/L
1 2 3 4 5 6 7 8 9 10
JB1
Junction Box
3 Amp Fused Spur
240 volt input
N L E
3A
RWB Terminal Configuration
1. Off- Hot Water
2. Off- Central Heating
3. On - Hot Water
4. On - Central Heating
Zoneminder Colour Codes
G/Y = Green/Yellow
B = Blue
O = Orange
Gr = Grey
Br = Brown
L
S/L
N
E
P/L on
boiler
Live (2)
Switched Live (5)
Neutral (1)
Earth (3)
Pump Live
(5) Boiler Live & Pump Live
(1) Neutral
(3) Earth
Boiler requiring
Pump overrun
NOTE 1
Basic
Boiler
G/Y
G/Y
O
O
BB
Gr
Gr
Br
Br