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Nefit MP 100 Manual

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6 720 813 962 (2014/12) MP 100
10 | Commissioning
3.2.2 Connecting the power supply, pump and mixer
(mains voltage side)
▶ Only use electrical cable of comparable quality.
▶ Ensure that the power supply is connected to the correct
phases.
A power supply via an earthed safety plug is not
permissible.
▶ Only connect components and assemblies to the outputs in
accordance with these instructions. Do not connect any
additional control units, which control other system
components.
▶ Route cables through the grommets, connect them as
shown in the connection diagrams and secure them with
the strain relief pieces, which are supplied as part of the
scope of delivery ( Fig. 8 to 11, starting on page 53
onwards).
3.2.3 Connection diagrams with system schematics
The hydraulic diagrams are only schematic illustrations and
provide a non-binding indication of a possible hydraulic circuit.
▶ Install safety equipment in accordance with applicable
standards and local regulations.
▶ For further information and options, refer to the technical
guides or tender specification.
Key to Fig. 16:
Earth lead
ϑ Temperature/temperature sensor
L Phase (mains voltage)
N Neutral conductor
Terminal designations:
230 V AC Mains voltage connection
BUS Connection of EMS 2/EMS plus BUS system
MC1 Heat requirement connection for swimming pool
control unit (Monitor Circuit, optional)
MD1 No function
OC1 No function
PC1 No function
T0 No function
TC1 Connection for swimming pool temperature sensor
(Temperature sensor Circuit)
VC1 Connection for mixing valve actuator (Valve
Circuit):
Terminal 43: mixer open (more heat supply to
swimming pool)
Terminal 44: mixer closed (less heat supply to
swimming pool)
System components:
230 V AC Mains voltage
BUS EMS 2/EMS plus BUS system
CON EMS 2/EMS plus user interface
HC1... Heating circuits
HS Heat source
MC1 External swimming pool control unit (optional); if
there is no swimming pool control unit, connect
jumper to MC1 terminal ( Fig. 1 [2], page 57)
MP 100 Module MP 100
TC1 Swimming pool temperature sensor
VC1 Mixing valve actuator
4 Commissioning
1. Set the code switch on other modules as applicable. The
code switch on the module MP 100 has no function.
2. Connect the entire system to the mains voltage.
When the module indicator lights up green continuously:
3. Commission and set up the user interface as described in
the accompanying installation instructions.
The allocation of the electrical connections
depends on the system installed. The
description shown in Fig. 8 to Fig. 11, starting
on page 53 onwards, is a possible suggestion
for making the electrical connections. Some of
the steps are not shown in black. This makes it
easier to see which steps belong together.
The maximum power consumption of the
connected components and assemblies must
not exceed the output stated in the module
specifications.
▶ 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
disconnect the mains voltage.
First make all electrical connections correctly
and only then carry out the commissioning!
▶ Follow all installation instructions for all
components and assemblies in the
system.
▶ Only switch on the power supply when all
modules are set up.
… 10 …


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