Viessmann Vitopend 100-W Installation And Service Instructions

41
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".
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
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 simulta-
neously for approx. 5 s.
■
"SEt" and flash
■ "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 "P13".
09. OK to confirm
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5837146
Service

Viessmann Vitopend 100-W Specifications

General

Fuel Type	Gas
Max. Water Temperature	85 °C
Type	Condensing Boiler
Gas Type	Natural gas / LPG
Efficiency	Up to 98%