Switching Off Dhw Heating - Viessmann Vitodens 100 Series Installation And Service Instructions Manual

Further details regarding the individual steps
■ "SEt" and
■ "PL:1" is shown on the addi-
tional display
■
is shown in the upper display
area
02. Press MODE.
03. Use / to select "P10".
04. OK to confirm
05. Use / to select access code 2
for parameter level 2.
06. OK to confirm
■ "PL:2" is shown on the addi-
tional display
■
is shown in the upper dis-
play area
07. MODE to confirm
08. Use / to select "P27".

Switching off DHW heating

If the boiler is to be operated without
DHW heating (conventional gas boiler):
Switch off the function at the control
unit.
01. Hold down MODE and
neously for approx. 5 s.
■ "SEt" and
■ "PL:1" is shown on the addi-
tional display
■
is shown in the upper display
area
02. Press MODE.
flash
simulta-
flash
Commissioning, inspection, maintenance
(cont.)
09. OK to confirm
10. Use / to select "On".
11. OK to confirm
12. MODE to exit the parameter level.
■ If communication between the control
unit and the extension is working,
flash simultaneously.
■ If communication between the control
unit and the extension is faulty,
flash alternately. Fault "CC" is
shown.
Repeat the steps and set value
"OFF" in "P27". Then repeat the
steps once more and select value
"On" again.
The functions of the external extension
are set in "P40" to "P49".
Installation and service instruc-
tions
External extension
03. Use / to select "P10".
04. OK to confirm
05. Use / to select access code 2
for parameter level 2.
06. OK to confirm
■ "PL:2" is shown on the addi-
tional display
■
is shown in the upper dis-
play area
07. MODE to confirm
43