79
Parameters Setting
Lead heat pump Lag heat pump
"Communication" Ó
"Enable LON communication module 7710" "1" "1"
"Number of heat pump in cascade 7707" — "1" to "4"
"LON system number 7798"
Within one LON, the system number must always be the same.
"1" to "5" "1" to "5"
"LON subscriber number 7777"
In the same LON system, each subscriber number can only be al-
located once.
"1" to "99" "1" to "99"
"LON fault manager 7779"
Only one control unit per system may be configured as the fault
manager.
"0" or "1" "0" or "1"
"Source time 77FE" "0" "1"
"Send time 77FF" "1" "0"
"Source outside temperature 77FC" "0" "1"
"Send outside temperature 77FD" "1" "0"
"Interval for data transfer via LON 779C" "20" "20"
"Buffer cylinder" Ó
"Enable buffer cylinder/low loss header 7200" "1" —
"Electric heater" Ó
"Enable instantaneous heating water heater 7900" "0" or "1" "0" or "1"
"Enable electric heaters for DHW heating 6015" "0" or "1" —
"Enable electric heaters for DHW heating 7901" — "0" or "1"
"Enable instant. heating water heater for central heating
7902"
"0" or "1" "0" or "1"
Checking the heat pump for noise
Check indoor and outdoor units for unusual noises.
Examples:
■
Fan operating noises
■
Compressor operating noises
■
Circulation pump operating noises
■
Vibration on the refrigerant lines
Vent hydraulic circuits again if necessary.
Checking the system function
Displaying the system overview
The system overview displays the status of the heat
pump and system components as well as the tempera-
tures.
Service menu:
1. Press OK + å simultaneously and hold for
approx. 4 s.
2. "Diagnosis"
3. "System overview"
4. to toggle between "System overview, generation
side" and "System overview, consumption side"
"Vitotronic 200" service instructions
Commissioning, inspection, maintenance
Commissioning the system (cont.)
6199585
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