Installation instructions 0020140122_04
11
3.2.6 Multizone mode : Open vent or system boiler with DHW cylinder
BUS
BUS
BUS
BUS
BUS
BUS
BUS
BUS
BUS
BUS
BUS
M
3
12f
9e
12f
9b1
3
9e
BUS
3
2
2
2
2
DHW
BUS
BUS
8c
8f
5
DHW
1a
3
2
230V ~
12f
38
9b2
3
10e
M
3
M
3
9b2
9b1
12
12a
9a
9a
12f
12f
1
230 V~
3
2
230 V~
3
12q
230 V~
3
WLAN
LAN
17
BUS
BUS
Key
1
Heat generator
1a
Back-up heater for domestic hot water
5
Monovalent domestic hot water cylinder
8c
Safety assembly for the potable water connection
8f
Expansion vessel for potable water
9a
Single-room temperature control valve (thermostatic/motor-
ised)
9b
Zone valve
9e
Diverter valve for potable water
10e Line strainer with magnetite separator
12
System control
12a Remote control
12f
VR 66/2 control centre
12q Internet gateway (optional)
b
17 Optional component
b
38 If a thermostat shall be used, instead of the DHW tempera-
ture sensor; remove the DHW temperature sensor, mount
the thermostat, and connect the thermostat on clamp ‘CYL’.
