Matching Coding Addresses To The System Version; Selecting The Boiler Sequence (If Required) - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Commissioning

Matching Coding Addresses to the System Version

In code 1, set the following coding addresses:
"00" System scheme
"35" Number of boilers in the cascade
"36" Minimum limit of the cascade supply temperature
"37" Maximum limit of the cascade supply temperature
"3B" Control type
"3C" Control strategy
"A2" DHW tank priority
"A5" Heating circuit pump logic function (economy mode)
"C5" Minimum limit of the heating circuit supply
temperature
"C6" Maximum limit of the heating circuit supply
temperature

Selecting the Boiler Sequence (if required)

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Vitotronic 200 and 300-K Installation and Service
Check the following coding addresses and adjust
accordingly in Code 2:
"39" Permanent lead boiler
"3A" Permanent last boiler
"4C" Function plug sÖ A1
"55" DHW tank temperature control function
"77" LON participant number
"7A" Central control
"7E" Flue gas cascade
"7F" Detached house or apartment building
"98" Viessmann system number
"9C" Monitoring the LON participant number
Note: Further adjustment options are listed in codes 1 and 2.
Subject to the codes set in the "cascade" group and
internal control calculations, the control unit offers various
boiler sequences. The following codes influence the boiler
sequence:
"38:..." Changing the lead boiler and the boiler
sequence
"39: ..." Permanent lead boiler
"3A: ..." Permanent last boiler
"41" - "44" ECO thresholds
"65", "6F" ECO thresholds
"74", "7D" ECO thresholds
H Via the ECO threshold, every boiler can be blocked
or enabled subject to the outside temperature.
H The ECO control is disabled, if the boiler is required
to achieve the set supply temperature when enabled
boilers have failed.
H At least the lead boiler remains active if all boilers
in a system are blocked by the ECO threshold.
*1 Only in conjunction with LON system.
Extended menu:
1. Press .
2. "Boiler sequence"
3. Set the required boiler sequence with
4. Press "OK". The setting has been adopted.
*1
*1
*1
.