System Overview - Viessmann VITOTRONIC 200 Service Instructions Manual

Diagnosis
Diagnosis (service scans)
"Signal inputs"
"External demand"
"External blocking"
"Reheat suppression"
"Fault lag heat pump"
"Power-OFF contact"
"Three-phase monitor"
"Primary source"
"Safety high pressure"
"Low pressure"
"Control high pressure"
"Cmprssr motor protcn"
"Sw. pool heat demand"
"Demand htg mode HC1"
"Demand cool mode HC1"
"Demand htg mode HC2"
"Demand cool mode HC2"
"Demand htg mode HC3"
"Demand cool mode HC3"
"Brief scan": See chapter "Brief scan".
"System information": See chapter "System information".

System overview

1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Diagnosis"
3. "System overview"
4. to toggle between "System overview generator",
"System overview consumer" and "System over-
view cascade"
110
(cont.)
Notes
The display is dependent upon the system version.
■
■ The symbols on the display are animated if the com-
ponents are operational (e.g. pumps).
■ The values shown are examples.