Setting The Coding Switch; Commissioning Of The System And Module; More Status Indicators At The Module; Settings Menu Of Alternative Heat Source - Buderus AM200 Notice D'installation

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4
Commissioning
4
Commissioning
First make all electrical connections and then carry out the
commissioning!
▶ Observe the installation instructions for all components and
assemblies in the system.
▶ Only switch on the power supply after all modules are set up.
4.1

Setting the coding switch

When the coding switch is in a valid position and communication is
established via the BUS system, the status indicator lights up green
continuously. When the coding switch is in an invalid or intermediate
position, the status indicator initially does not light up then lights up red.
4.2

Commissioning of the system and module

1. Isolate all poles of the mains voltage and secure against reconnection.
2. Make sure the mains voltage is disconnected.
3. Connect all required sensors and actuators.
4. Establish power supply (230 V AC) mechanically with all installed
modules and heat sources.
5. Set the coding switch at the module.
6. Set the coding switch at other modules, if necessary.
7. Switch on the power supply (mains voltage) to the entire system.
Once the status indicator on the module lights up green constantly:
8. Start commissioning the control unit  installation instructions of
control unit.
9. In the service menu Commissioning > Start configuration
wizard? > set Yes and follow up to Altern. HS menu.
The configuration wizard suggests a configuration for the AM200
based on the connected sensor.
10.Check the settings in the AM200 menu ( Tab. 7 to 11) and adjust
to the installed system if required.
11.Make remaining adjustments as described in the installation
instructions for the control unit.
4.3

More status indicators at the module

In addition to the coding switch, the module has 4 LEDs that indicate the
status of each of the connected nodes  Tab. 12.
20
4.4

Settings menu of alternative heat source

If a AM200 is installed, the Service menu > Set altern. HS menu is
displayed at the control unit (for adjustment of alternative heat source).
The following overview provides a brief description of the Set altern. HS
menu. The menus and settings available in these menus are described in
detail on the following pages.
Menu overview Set altern. HS
• Alt. heat source activation – for active activation of the alternative
heat source
• Relay output config. – use of VR2 terminal
• Buffer primary pump – settings of primary pump
• Mixer return AHS – mixer settings for return temperature increase of
alternative heat source
• Buffer – settings for buffer cylinder charging
• Blocking mode – conventional heat source interlock functions
The factory settings are shown in bold in the setting areas.
CAUTION:
Risk of scalding due to omission of temperature limit.
If the only heating circuit is a heating circuit without mixer, this can result
in high temperatures.
▶ Installing the temperature limiter.
NOTICE:
Damage to device due to cold water in the heat source!
▶ Observe the manufacturer's specifications in relation to the minimum
return temperature of alternative heat source.
▶ Set the temperature for return temperature increase of the
alternative heat source according to the manufacturer's
specifications.
Menu item
Setting area: function description
Alt. heat source
Yes: active alternative heat source. The module switches
activation
the alternative heat source on, depending on demand
(switching contact required on alternative heat source).
The alternative heat source can be modulated as an option
(0-10 V interface required at alternative heat source).
No: passive alternative heat source. No active activation of
the alternative heat source (e.g. (wood-burning) stove).
Relay output config.
Off: no connection to VR2
(VR2)
Bypass: bypass valve connected for conventional heat
source.
HC1 PM: pump for heating circuit 1 connected to VR2,
can only be used for stand-alone alternative heat source
(coding switch setting 10).
Table 7
AM200 – 6720884574 (2018/04)

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