Logbook - Viessmann VITOTRONIC 200 Service Instructions Manual

System
(cont.)
Integral
"Heat pump for swimming
pool"
"HP for cooling"
"Heat pump for HW buffer"
"Defrost"
"Coolant buffer temp."
Note
■ Values of start threshold/output defaults depend in
part on the heat pump type.
■ Some settings can only be changed by a heat pump
installer certified by Viessmann.

Logbook

The logbook contains the last 30 status changes of
components of the heating system and the heat pump.
To analyse the control characteristics of the heat pump
control unit, additional information for each entry can
be called up, such as time and reason for the status
change.
1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Diagnosis"
3. "System"
4. "Logbook"
5. Select entry. Display further information with OK.
Meaning
Starting the heat pump for swimming pool
heating
Starting the heat pump in the case of
weather-compensated central cooling with
active cooling
Starting the heat pump for buffer heating
Defrost integral
Starting the heat pump for cooling the heat-
ing water/coolant buffer cylinder
Ü
Ext. HS switching
Secondary pump 1
Electric heater
Electric heater
Fig. 20
A
B
Factory-set start threshold/
output default
"Start threshold 730E"
In the case of min. return tem-
■
perature secondary circuit:
10 or 35 K
In the case of max. return tem-
■
perature secondary circuit:
40 or 70 K
"Start threshold 730E"
A
Logbook
Select with
Component whose status has changed.
Set status
Diagnosis
min
·
min
·
B
ON
25%
OFF
St1
(
123