83
Coding in the delivered condition
Possible change
Extended economy function adjusted outside temperature
A6:36
Extended economy con-
trol
disabled
(only for
weather-compensated
control units)
A6:5
to
A6:35
Extended economy control
enabled, i.e. the burner and
heating circuit pump will
stop and the mixer will be
closed at a variable value,
adjustable between 5 and
35 °C plus 1 °C. The base
value is the adjusted out-
side temperature. This val-
ue is based on the actual
outside temperature and a
time constant, which takes
the cooling down of an
average building into con-
sideration
Extended economy function mixer
A7:0
Only for heating circuit
with mixer:
Without mixer economy
function (only for weath-
er-compensated control
units)
A7:1
With mixer economy func-
tion (extended heating cir-
cuit pump logic):
Heating circuit pump also
"OFF":
■ If the mixer has been
closed for longer than
20 min.
Heating circuit pump
"ON":
■ If the mixer changes to
control function
■ If there is a risk of frost
Pump idle time, transition reduced mode
A9:7
With pump idle time:
Heating circuit pump
"OFF" if the set value is
altered through a change
in operating mode or
through a change in the
set room temperature
(only for weather-com-
pensated control units)
A9:0
Without pump idle time
A9:1
to
A9:15
With pump idle time, ad-
justable from 1 to 15.
1 = short idle period
15 = long idle time
Code 1
"Heating circuit ..."/group 5
(cont.)
5773 216 GB
Service
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...