Viessmann VITODENS 333-F WS3A, Service Instructions Manual

Page: 59 / 124

Coding in the delivered condition Possible change
E9:45 Speed of the external
variable speed heating
circuit pump: 45 % of
the maximum speed in
reduced temperature
mode (only for weather-
compensated control
units) E9:0
to
E9:100 Speed adjustable from 0
to 100 % of the maximum
speed during operation
with reduced room tem-
perature
F2:8 Time limit for party
mode or external oper-
ating mode changeover
via key 8 h (only for
weather-compensated
control units)
*
1
F2:0 No time limit for party
mode
*
1
F2:1
to
F2:12 Time limit adjustable from
1 to 12 h
* 1
F5:12 Run-on time of the inter-
nal circulation pump in
heating mode (only for
constant temperature
control units) F5:0 No run-on time of the in-
ternal circulation pump
F5:1
to
F5:20 Run-on time of the inter-
nal circulation pump ad-
justable from 1 to 20 min
F6:25 In the "DHW only" oper-
ating mode, the internal
circulation pump is per-
manently ON (only for
constant temperature
control units) F6:0 In the "DHW only" operat-
ing mode, the internal cir-
culation pump is
permanently OFF
F6:1
to
F6:24 In the "DHW only" operat-
ing mode, the internal cir-
culation pump will be
started 1 to 24 times per
day for 10 min respec-
tively.
F7:25 In "Standby mode", the
internal circulation
pump is permanently
ON (only for constant
temperature control
units) F7:0 In "Standby mode", the
internal circulation pump
is permanently OFF
F7:1
to
F7:24 In "Standby mode", the
internal circulation pump
in operating mode will be
started 1 to 24 times per
day for 10 min respec-
tively.
Code 2
(cont.)
59
Coding
5692
731
GB
*1
Party mode ends automatically in the "Heating and DHW" program, when the system
changes over to operation with standard room temperature.