Installation
MS 200 – 6720879925 (2017/11)
26
• Additionally for 2nd cylinder/swimming pool with pump (C):
– 2nd solar pump; connection to PS4
– Temperature sensor at the 2nd cylinder, at the bottom;
connection to TS5
– 2nd electronically regulated pump (pulse width modulation or or
0-10 V); connection to OS2
• Additionally for central heating backup SP 2 (D) ( ):
– 3-way valve; connection to VS1/PS2/PS3
– Temperature sensor in the middle of the 2st cylinder; connected
to TS3
– Temperature sensor situated at the return; connection to TS4
• Additionally for external heat exchanger, at the 1st or 2nd cylinder
(E, F or Q):
– Heat exchanger pump; connection to PS5
– Temperature sensor on heat exchanger; connection to TS6
• Additionally for 2nd collector array (G):
– 2nd solar pump; connection to PS4
– Temperature sensor (2nd collector array); connection to TS7
– 2nd electronically regulated pump (pulse width modulation or or
0-10 V); connection to OS2
• Additionally for return temperature control (H) ( ):
– Mixer; connection to VS1/PS2/PS3
– Temperature sensor in the middle of the 1st cylinder; connected
to TS3
– Temperature sensor situated at the return; connection to TS4
– Temperature sensor at the cylinder primary flow (after the mixer);
connection to TS8
• Additionally for transfer system (I):
– Cylinder primary pump; connection to PS5
• Additionally for transfer system with heat exchanger (J):
– Cylinder primary pump; connection to PS4
– Temperature sensor at the top of the 1st cylinder; connection to
TS7
– Temperature sensor at the 2nd cylinder, at the bottom;
connection to TS8
– Temperature sensor at the top of the 3rd cylinder; connection to
TS6 (only if no heat appliance other than the solar system is
installed)
• Additionally for thermal disinfection (K):
– Thermal disinfection pump; connection to PS5
• Additionally for heat meter (L):
– Temperature sensor in flow to solar collector; connection to IS2
– Temperature sensor in return from solar collector; connection to
IS1
– Water meter; connection to IS1
• Additionally for temperature differential controller (M):
– Temperature sensor; heat source, connection at MS 100 to TS2
– Temperature sensor; heat sink, connection at MS 100 to TS3
– Assembly (pump or valve) to be controlled; connection at MS 100
to VS1/PS2/PS3 with output signal at terminal 75; terminal 74
not assigned
• Additionally for 3rd cylinder/swimming pool with valve (N):
– 3-way valve; connection to PS4
– Temperature sensor at the 3nd cylinder, at the bottom;
connection to TS7
• Transfer system 3
– Temperature sensor, at 2nd cylinder, top (scope of delivery)
– Temperature sensor at 1st cylinder, top
– Temperature sensor at 1st cylinder, bottom
– Pump for thermal disinfection (optional)
• For primary storage system 4:
– Temperature sensor, at 1st cylinder, top (scope of delivery)
– Temperature sensor 1, cylinder, bottom
– Pump for DHW circulation (optional)
Installation of additional accessories
▶ Install the additional accessories in accordance with legal
requirements and the instructions supplied.
2.10 Cleaning and care
▶ If required, wipe the casing with a damp cloth. Never use aggressive
or acidic cleaning agents for this.
3 Installation
DANGER:
Danger to life due to current!
Touching live parts can result in an electric shock.
▶ Before installing this product: Disconnect the heat source and all
other BUS nodes from the mains voltage across all poles.
▶ Mount the cover prior to commissioning.
3.1 Installation
▶ Install the module on a wall, ( Fig. 3 to Fig. 5) at end of document,
on a mounting rail ( Fig. 6) or in an assembly.
▶ Remove the module from the mounting rail
( Fig. 7 at the end of the document).
3.2 Electrical connection
▶ Observe current regulations applicable to power connections, and
use at least cable type H05 VV-…
3.2.1 Connecting the BUS connection and temperature sensor
(extra-low voltage side)
▶ If the conductor cross-sections are different, use the junction box to
connect the BUS nodes.
▶ Switch BUS nodes [B] as shown at the end of the document via
junction box [A] in star ( Fig. 16) or via BUS nodes with 2 BUS
connections in series ( Fig. 20).
If the maximum cable length of the BUS connection between all BUS
nodes is exceeded, or if the BUS system is realised as a ring structure,
the system cannot be commissioned.
Maximum total length of BUS connections:
• 100 m with 0.50 mm
2
conductor cross-section
• 300 m with 1.50 mm
2
conductor cross-section
▶ To avoid inductive interference: Make sure all low-voltage cables are
routed separately to mains voltage cables (min. clearance 100 mm).
▶ In the case of external inductive interferences (e.g. from PV
systems), use shielded cables (e.g. LIYCY) and earth the shield on
one side. The shield should be connected to the building's earthing
system, e.g. to a free earth conductor terminal or water pipes, and
not to the earth lead terminal in the module.
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