Vaillant auroCOMPACT VSC S/4 Series Installation And Maintenance Instructions Manual page 18

5 Installation
1. If you install the product in protective area 2, it must be
operated as room-sealed. Installation method B53P is
not permitted in this case.
2. Open the electronics box.
3. The mains connection cable selected must meet the
requirements of the protective area.
4. Carry out the wiring.
5. Close the electronics box.
5.7.5 Connecting the solar sensor
1. To install the solar sensor, follow the installation instruc-
tions for the solar collector.
2. Route the cable for the solar sensor (1) from the col-
lector to the product's solar plug.
3. Connect the cable for the solar sensor (1) to the solar
plug (2).
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Installation and maintenance instructions auroCOMPACT 0020181589_04
5.7.6 Connecting controllers to the electronic
system
1. Open the electronics box. (→ Page 16)
2. Carry out the wiring. (→ Page 17)
Conditions: If you are connecting a weather-controlled eBUS controller or
a room-temperature-controlled eBUS controller:
▶
Connect the controller to the BUS plug.
▶
Bridge the plug 24 V = RT if it has not been bridged
already.
Conditions: If you are connecting a low-voltage controller (24 V):
▶
Connect the controller to the 24 V = RT plug instead of
the bridge.
Conditions: If you are connecting a safety thermostat for underfloor heat-
ing:
▶
Connect the thermostat to the Burner off plug instead of
the shunt.
3. Close the electronics box.
4. To trigger the Comfort pump operating mode (pump
runs permanently) using a multi-circuit controller,
change the diagnostics code D.018 Pump operat-
ing mode (→ Page 29) from Eco (3) (pump runs
intermittently) to Comfort (1).
5.7.7 Connecting additional components
The following components can be actuated:
–
Hot water circulation pump
–
External heating pump
–
Cylinder charging pump (not activated)
–
Extractor hood
–
External solenoid valve
–
External fault signal
–
Solar pump (not active)
–
eBUS remote control (not active)
–
Legionella protection pump (not active)
–
Solar valve (not active).
– +
Burner
24V=
off
RT BUS