Implementing A User Check (In Conjunction With The Lon System For Weather Compensated Control Units); Instructing The System User - Viessmann Vitodens 333 Service Instructions Manual
Compact gas fired condensing boiler. 4.2 to 19 kw natural gas and lpg version
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Also See for Vitodens 333:
- Service instructions manual (132 pages) ,
- Instruction manual (16 pages) ,
- Technical manual (180 pages)
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Further details regarding the individual steps
Implementing a user check (in conjunction with the LON sys-
tem for weather compensated control units)
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 37).
The fault manager LON user list must be up to date (see page 37).
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 must hand the operating instructions to the system user
and instruct him/her in the operation of the system.
Initial start-up, inspection, maintenance
(cont.)
3. d
Check is enabled
"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 con-
nection.
4. Repeat points 2 and 3 to check
further users.
5. L + d press simultaneously for
approx. 1 s.
The user check is com-
pleted.
39
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