Commissioning The System - Viessmann Vitotronic 300 GW6B Installation Instructions Manual

Commissioning

Commissioning the System

Single boiler
Weather-compensated single boiler system capable of
controlling DHW production and space heating of one high
temperature heating loop and 2 low temperature heating
loops with mixing valves.
Lead boiler and cascade
Master boiler in a multiboiler system capable of cascading
a maximum of 8 x GW6B equipped CM2 series boilers.
This boiler is responsible for generating system and boiler
setpoints, capable of DHW production and and space
heating of one high temperature heating loop and 2 low
temperature heating loops complete with mixing valves.
Lag boiler
Slave tothe master boiler, and operates on setpoints
generated by the master boiler.
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Vitotronic 300, GW6B Installation and Service
1. Turn ON the ON/OFF switch on all control units.
The commissioning assistant starts automatically.
2. Make required settings:
- "Language"
- "Date / Time"
- "Measuring units"
3. Tap "Application" and select the required application.
- 'single boiler'
- 'lead boiler and cascade'
- 'lag boiler'
4. Confirm with OK until symbol
5. Important coding can be set during commissioning
(see the following table). For this tap "Yes".
Note: Flue gas damper coding address 0a is factory
defaulted to 0a:1 (with flue gas damper) when
the application is set 'lead boiler & cascade' or
'lag boiler'.
If a flue gas damper is not used with the boiler,
the coding address must be adjusted to 0a:0.
If the coding address is not adjusted through the
commissioning assistant at the boiler control,
then the burner will check for the presence of
a flue gas damper and then the functionality of
the flue gas damper can only be adjusted through
the burner control.
Refer to the burner section of the CM2
Service Instructions
Tap "No" if no further settings are to be made.
6. Confirm with OK.
- Single boiler system
The standard menu appears.
- Multi boiler system
The default display will appear.
Refer to the Operating Instructions
Note: If commissioning was unsuccessful, the following
fault symbol appears in the footer.
Tap and check the fault messages.
- 'single boiler'
- 'lead boiler + cascade'
- 'lag boiler'
If the Vitocrossal 200 CM2 boiler is operated in a multiple
boiler application, a fault message will be displayed during
initial start-up, which indicates that the boiler controller
commissioning process is not yet completed.
Please ackowledge this message and complete the
commissioning process.
and "Setup" appear.