Viessmann VITODENS 333 Operations Instructions download pdf (Page 67)

Function Key combination Exit Page

Temperatures, boiler cod-

ing card, brief scans

Press K and G for ap-

prox. 2 s simultaneously

Press d 68

Relay test Press K and d for ap-

prox. 2 s simultaneously

Press d 71

Max. output (heating

mode)

Press K and F for ap-

prox. 2 s simultaneously

Press d 18

Operating conditions and

sensors

Press c Press d 73

Service scan c (if "Service" flashes) Press d 43

Adjusting the display con-

trast

Press d and asimulta-

multaneously; the display

darkens

– –

Press d and b simulta-

neously; the display be-

comes lighter

– –

Calling up acknowledged

fault messages

Press d for approx. 3 s 76

Fault history Press G and d for ap-

prox. 2 s simultaneously

Press d 77

Subscriber check (in con-

junction with a LON sys-

tem)

Press L and d for ap-

prox. 2 s simultaneously

Press L

and d si-

multaneous-

ly

42

Emissions test function

"S"

Weather-compensated

control unit:

Press F and E for ap-

prox. 2 s simultaneously

Constant temperature con-

trol unit:

Press O and F for ap-

prox. 2 s simultaneously

Press F

and E or

O and F

simulta-

neously for

approx. 1 s,

alternatively

automatic

after 30 min

–

Coding level 1

Plain text display

Press K and L for ap-

prox. 2 s simultaneously

Press K

and L for

approx. 1 s

simulta-

neously

46

Coding level 2

Numerical display

Press L and G for ap-

prox. 2 s simultaneously

Press L

and G for

approx. 1 s

simulta-

neously

48

Service level overview

67

Service scans

5692 682 GB

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 135 136

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