Viessmann VITOPEND 200 Installation And Service Instructions Manual page 48

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Implementing a user check (in conjunction with the LON sys-
tem with a weather‐compensated control unit)
Communication with the system devices connected to the fault manager is
tested with a user check.
Preconditions:
&
The control unit must be programmed as fault manager (code "79:1").
&
The LON user number must be programmed in all control units (see page 46).
&
The fault manager LON user list must be up to date (see page 46).
A Consecutive number in the user
list
B User number
Press the following keys:
1. L + d simultaneously for
approx. 2 s
The user check has been
initiated
2. a/b
for the required user.
Instructing the system user
The system installer should hand the operating instructions to the system user
and instruct him/her in the operation of the system.
48
(cont.)
3. d
activating a check.
"Check" flashes until its
completion. The display
and all key illuminations
for the selected user
flash for approx. 60 s.
&
"Check OK" is dis-
played during commu-
nication between both
devices
&
"Check not OK" is dis-
played if there is no
communication
between both devices;
check the LON connec-
tion.
4. Repeat points 2 and 3 to check
further users.
5. L + d simultaneously for
approx. 1 s
The user check is com-
pleted.