Coding; Dhw; Solar - Viessmann Vitodens 242-F Installation And Service Instructions Manual

Code 1
"Boiler"
(cont.)

Coding

Coding in the delivered condition
Burner service in 100 hours
21:0 No service interval set (in hours
run)
Service interval in months
23:0 No time set for burner service in-
terval
Service status
24:0 No "Service" indication on the dis-
play
Filling/venting
2F:0 Venting program/fill program inac-
tive

"DHW"

Select group "DHW" (see page 68).
Coding
Coding in the delivered condition
Set DHW temperature reheating suppression
67:40 For solar DHW heating: Set DHW
temperature 40 °C. Above the se-
lected set temperature, DHW re-
heating suppression is active
(DHW heating by the boiler only if
solar energy is insufficient).
Enable DHW circulation pump
73:0 DHW circulation pump: "ON" ac-
cording to time program

"Solar"

Select group "Solar" (see page 68).
70
Possible change
21:1 The number of hours run before the
to burner should be serviced is adjust-
21:100 able from 100 to 10 000 h.
One adjusting step
23:1 Interval adjustable from 1 to
to 24 months
23:24
24:1 "Service" is shown on the display
(address is automatically set and
must be manually reset after a serv-
ice has been carried out)
2F:1 Venting program active
2F:2 Fill program active
Possible change
67:0 Set DHW temperature adjustable
to from 0 to 95 °C (limited by boiler-
67:95 specific parameters)
Observe setting for coding address
"56".
73:1 During time program
to "ON" from once per hour for 5 min to
73:6 "ON" 6 times per hour for 5 min
73:7 Constantly "ON"
≙
100 h