Viessmann Type B2HA Operations Instructions download pdf (Page 65)

Coding

Coding in the delivered condition Possible change

Set DHW temperature reheating suppression

67:40 For solar DHW heating:

Set DHW temperature

40 °C. Reheating is sup-

pressed above the selec-

ted set temperature (boil-

er is only connected as

backup if the rise in cylin-

der temperature is too

low).

Cannot be adjusted on

combi boilers.

67:0

67:95

Set DHW temperature ad-

justable from 0 to 95 °C

(limited by boiler-specific

parameters)

Enable DHW circulation pump

73:0 DHW circulation pump:

"ON" according to time

program (only for weath-

er-compensated control

units and system boilers)

73:1

73:6

"ON" from once per hour

for 5 min up to

6 times per hour for 5 min

during the time program

73:7 Constantly "ON"

"Solar"/group 4

Select "Solar" for weather-compensa-

ted control units (see page 60).

Select "4" for constant temperature con-

trol units (see page 60).

Note

The solar group is only displayed if a

solar control module, type SM1, is con-

nected.

Coding

Coding in the delivered condition Possible change

Speed control solar circuit pump

02:0 Solar circuit pump is not

speed-controlled.

02:1 Solar circuit pump is

speed-controlled with

wave packet control.

02:2 Solar circuit pump is

speed-controlled with

PWM control.

Code 1

"DHW"/group 3

(cont.)

5772 909 GB

Service

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 187 188

Comments to this Manuals

No comments

Viessmann Type B2HA Operations Instructions Page 65

Comments to this Manuals

Related products and manuals for Water heaters & boilers Viessmann Type B2HA