Baxi Solarflo Installation Manual page 23

Fig. 29
D. Auxiliary heating by boiler with 3 port mid position valve system
- no reheat control by solar controller.
NOTE: Must use 2 port safety valve supplied with cylinder
3A Fused Supply Boiler Terminal Strip
L N E PL L
1 2 3 4 1
1 2 3 4 5 6
8 5 7 3 3
1 2 3 E G/Y
Solar Cylinder Auxiliary Controls
4 9 2 3 2
1 2 N G/Y BL
Room Stat 3 Port Mid Position Valve
3 6 2 11 12
PE L N A1 N T1
Solar Differential Controller
Solar
Controller
1 6 3
1 2 E
Solar O/Temp Cutout
E. Auxiliary heating by boiler with 3 port mid position valve system
- reheat control by solar controller.
NOTE: Must use 2 port safety valve supplied with cylinder
3A Fused Supply Boiler Terminal Strip
L N E L L
1 2 3 4 1
1 2 3 4 5 6
8 5 7 3 3
1 2 3 E G/Y
Solar Cylinder Auxiliary Controls
3
G/Y
3 6 2 11 12 Relay
PE L N A1 N A3
Solar Differential Controller
1 6 3 A3 N
1 2 E 1
Solar O/Temp Cutout
© Baxi Heating UK Ltd 2008
N E SL L N
2 3 5 1 2
7 8 9 10 Terminal Box (Not supplied)
2 5 NOT USED
BL BR GR OR
Cylinder Safety Valve
9 7 5 4 2
WH GR OR L N
CH Pump
See Fig. 21 A1 N
T2 T4 WMM 11 12
Solar Pump
Programmable Room Stat
N E SL L N
2 3 5 1 2
7 8 9 10 Terminal Box (Not supplied)
2 5 NOT USED
BL BR GR OR
Cylinder Safety Valve
2 9 7 5 5
BL WH GR OR L
3 Port Mid Position Valve CH Pump
See Fig. 21
N T1 T2 T4 T5 WMM
1 8
5 CoM No
Relay
10.0
Key to abbreviations:
L
N
E
PL
Programmer
SL
E DHW ON DHW OFF CH ON
G/Y
3 8 7 4
BL
BR
GR
OR
WH
3
E
The wiring schemes assume the use of an unvented Solar
PE
DHW cylinder.
E
NOTE: For open vented cylinders 1 to 6 connection is
required in the wiring centre.
These diagrams are presented for guidance only, terminal
numbers may differ between different manufacturers
equipment.
The various ancillary equipment manufacturers should be
consulted to confirm the correct operation of their products
within the system.
The Warranty only applies to equipment and controls supplied
with the Solarflo
1 2
1 9
2 3
N E
A1 N PE
11 12 E
Solar Pump
Installation of solar controller
- Live
- Neutral
- Earth
- Pump Live
- Switched Live
- Green and Yellow
- Blue
- Brown
- Grey
- Orange
- White
TM System.
23