Connecting The Power Supply, Pump And Mixer (Mains Voltage Side 230 V); Connection Diagrams With System Schematics - Buderus AM200 Notice D'installation

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3
Installation
3.3.2
Connecting the power supply, pump and mixer
(mains voltage side 230 V)
Terminal designations (mains voltage side)
120/230 V AC
Mains voltage connection
1)
VR1, VB1
Connection of mixer (Valve Return/Buffer) | diverter
valve
VR2
Connection of diverter valve to bypass conventional
heat source or for heating circuit pump of a stand-alone
alternative heat source (Valve Return)
PR1
Connection of pump of alternative heat source
(Pump Return)
2)
OA3
Connection of control signal for alternative heat source
with On/Off signal with mains voltage
(Output Alternative)
Function: volt free NO contact, max. 230 V AC/10 W
1) Terminal assignment: 43 – position of buffer cylinder (A);
44 – position of bypass (B)
2) Terminals: 15-16
Table 5
The assignment of the electrical connection depends on which system is
installed. A suggested procedure for establishing the electrical
connection is described in Figs. 9 to 16 at the end of this document.
▶ Only use electric cables of the same quality.
▶ Make sure the power supply is connected to the correct phases.
A power supply via an earthed safety plug is not permissible.
▶ Connect only components and assemblies to the outputs as
described in these instructions. Do not connect any additional
controls that operate other system components.
The maximum power consumption of the connected components and
assemblies must not exceed the power output stated in the
specifications for the module.
▶ If the mains voltage is not supplied via the electronic system of the
heat source: install a standard all-pole isolator (in accordance with
EN 60335-1) on site to interrupt the mains voltage.
▶ Route cables through the grommets, connect them as shown in the
connection diagrams and secure them with the strain relief devices
included in the scope of delivery ( Fig. 9 to 16 at the end of this
document).
18
3.3.3

Connection diagrams with system schematics

The hydraulic diagrams are only schematic in nature and are non-binding
suggestions for a hydraulic layout. The safety equipment must be
implemented in accordance with the applicable standards and local
regulations. For further information and options, refer to the technical
guides or tender specification.
System schematics at end of this document
Alternative heat source, buffer cylinder with single heat
source, floor standing conventional heat source, buffer
cylinder bypass valve, DHW via external cylinder and
1-4 heating circuits with mixer
Alternative heat source, solar heated dual buffer cylinder
with DHW in upper part, wall mounted conventional heat
source with low loss header, mixer in system flow
(internal temperature control) and 1 heating circuit without
mixer or 1-4 heating circuits with mixer
Alternative heat source, solar heated dual buffer cylinder
with DHW in upper part, floor standing oil condensing boiler
as conventional heat source with bypass valve, mixer in
system flow (internal temperature control) and 1 heating
circuit without mixer
Passive alternative heat source, solar heated dual buffer
cylinder, condensing storage combi heating centre as
conventional heat source with 2 heating circuits
Alternative heat source, buffer cylinder with DHW via
freshwater station, wall mounted conventional heat source
and 2 heating circuits with mixer
Alternative heat source, buffer cylinder, wall mounted
conventional heat source, heating circuits with mixer,
DHW cylinder with control via a module MM100 addr. 9
Stand-alone alternative heat source, buffer cylinder with
single heat source, external DHW cylinder, mixer in system
flow (internal temperature control) and 1 heating circuit
without mixer with heating circuit pump connected to module
Alternative heat source, buffer cylinder with single heat
source, floor standing or wall mounted conventional heat
source, mixer in system flow (internal temperature control)
and 1 heating circuit without mixer
Stand-alone control of heating circuit and DHW
(without alternative heat source)
Table 6 A brief description of the system schematics is provided at the
end of this document
AM200 – 6720884574 (2018/04)
Figure
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