23
Plug
lH
Extension EA1
A
lH
N
?
1 L
A
Floating contact (when connecting,
remove jumper across L and 1)
B
[{S
DE
[{D
DE
[{A
DE
A
A
Floating contact
B
Extension EA1
Codes
■ "4b:1" in group
"General"
/
1
.
■ Effect of the function on the relevant
heating circuit pump:
Coding address "d7" in group
"Heating
circuit"
(only with weather-compensa-
ted control units).
■ Effect of the function on the circulation
pump for cylinder heating (if installed):
Coding address "5F" in group
"DHW"/
3
.
Codes
■ Set "3A" (DE1), "3b" (DE2) or "3C"
(DE3) in group
"General"
/
1
to 2.
■ Effect of the function on the relevant
heating circuit pump:
Coding address "d7" in group
"Heating
circuit"
(only with weather-compensa-
ted control units).
■ Effect of the function on the circulation
pump for cylinder heating (if installed):
Coding address "5F" in group
"DHW"/
3
.
External demand via 0 – 10 V input
Connection at 0 – 10 V input to
exten-
sion EA1
.
Ensure DC separation between the earth
conductor and the negative pole of the
on-site voltage source.
Installing the boiler
Electrical connections
(cont.)
5773 216 GB
Installation
Summary of Contents for Vitodens 222-F B2TA series
Page 12: ...12 2 5 1 4 2x 3 Installing the boiler Removing the front panels 5773 216 GB...
Page 13: ...13 1 2 SW17 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation...
Page 31: ...31 4 1 5 2 2x 3 Installing the boiler Fitting the front panels 5773 216 GB Installation...
Page 194: ...194 5773 216 GB...
Page 195: ...195 5773 216 GB...