Vaillant Solar hot water System Manual page 41

Wiring plan 2
- Vaillant boiler
- Wiring via standard wiring box
- Solar circuit control via VRS 560
- Solar circuit reheating control via VRS 560
- Heating circuit control via programmer
- Overview connection of the cylinder thermostat to the
wiring box
- Installation of two VR 10 temperature sensors in the
solar cylinder (see Fig. 5.26)
- Attachment of the the solar gain sensor to the solar
circuit return (see Fig. 5.26)
- Connection of the solar pump to the solar control via
its own thermal cut out (see Fig. 5.27)
• Fit a wiring box near to the cylinder for easy electrical
connection.
3
2
1
1
2
3
Fig. 5.26 Installation of the VR 10 temperature sensor
• Push one of the VR 10 temperature sensors (1)
supplied with the solar control in an immersion sleeve
where there is still room, as illustrated in Fig. 5.26.
• Connect this temperature sensor to terminal "SP 1" in
the auroMATIC 560 solar control.
• Push a VR 10 temperature sensor (3) in the immersion
sleeve for the bottom cylinder area.
• Connect this temperature sensor to terminal "SP 2" in
the auroMATIC 560 solar control.
• Attach the temperature sensor for the gain (2) to the
return pipe of the solar circuit nearby the solar
cylinder.
Manual - Solar hot water systems
• Connect this temperature sensor to the terminal
"Ertrag" in the auroMATIC 560 solar control.
• Make sure the temperature sensors of the immersion
heater, solar cylinder and solar control fit properly in
the immersion sleeves.
h Note!
Set the controller of the cylinder thermostat to
maximum temperature (1, Fig. 5.20).
• Set the maximum temperature (MAXT 1) of the
auroMATIC 560 solar control to 70 ºC
(see auroMATIC 560 manual).
• Connect the collector temperature sensor to terminal
"Kol 1" in the auroMATIC 560 solar control.
Fig. 5.27 Connection diagram of the solar pump TCO
• Connect the solar pump, the thermal cut out intended
for this purpose and terminal "Kol 1-P" of the solar
control to each other by means of an additionally
protected terminal strip.
• Establish the connections to the mains supply.
Note!
h
Programme the auroMATIC 560 solar control to
provide hot water when required by the
customer.
The auroMATIC 560 control will only signal to
the boiler if the cylinder is below target tempe-
rature, if the solar system is not operating and
if the hot water programmer is on.
Installation 5
3
1
A
3
B
C
D
3
A
B
C
D
41