Viessmann Series B2HA 60 Operations Instructions download pdf (Page 77)

77

Coding in the delivered condition Possible change

Pump control in "standby mode"

F7:25 In "Standby mode", the

circulation pump in the

heating circuit connection

set is constantly on (only

for constant temperature

control units)

F7:0 In "Standby mode", the cir-

culation pump in the heat-

ing circuit connection set is

constantly off

F7:1

to

F7:24

In "Standby mode", the cir-

culation pump in the heat-

ing circuit connection set is

started 1 to 24 times per

day for 10 min each time.

Start temperature raising

F8:-5 Temperature limit for ter-

minating reduced mode

-5 °C, see example on

page 157.

Observe the setting of

coding address "A3". (on-

ly for weather-compensa-

ted control units)

F8:+10

to

F8:-60

Temperature limit adjusta-

ble from

+10 to -60 °C

F8:-61 Function disabled

End temperature raising

F9:-14 Temperature limit for rais-

ing the reduced set room

temperature -14 ºC, see

example on page 157.

(only for weather-com-

pensated control units)

F9:+10

to

F9:-60

Temperature limit for rais-

ing the set room tempera-

ture to the value selected

for standard mode adjusta-

ble from

+10 to -60 °C

Set flow temperature increase

FA:20 Raising the set boiler wa-

ter or flow temperature by

20 % when changing

from operation with re-

duced room temperature

to operation with stand-

ard room temperature.

See example on

page 158 (only for

weather-compensated

control units).

FA:0

to

FA:50

Temperature rise adjusta-

ble from 0 to 50 %

Code 1

Heating circuit 1, heating circuit 2, heating…

(cont.)

5585 174 GB

Service

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