Viessmann Vitocal 350-A AWHI 351.A14, Installation And Service Instructions Manual

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55
Plug Sensors/terminals Type
(PTC)
F6
(X6.1/X6.2) Cylinder temperature sensor, top Pt500
F7
(X6.1/X6.3) Cylinder temperature sensor, bottom Pt500
F8
(X5.8/X5.9) Secondary circuit flow temperature sensor
Type AWHI 351.A : Connected at the factory
Type AWHO 351.A : Connect on site; fit inside the building within
the secondary circuit flow (lead with plug 2.0 m long, extend on
site, if required)
Pt500
F12 Flow temperature sensor, heating circuit with mixer M2 Ni500
F13 System flow temperature sensor (with sensor well, downstream of
the heating water buffer cylinder) Pt500
F20
(X6.8/X6.9) Boiler water temperature sensor, external heat generator Pt500
aVG
KM-BUS
Wires interchangeable; for several appliances, use the KM-BUS
distributor (accessories).
■
Extension kit for heating circuit with mixer M3
■
Vitotrol 200-A remote control (set the heating circuit assignment
at the remote control)
■
External H1 extension
■
Vitocom 100 communication interface
■
Vitosolic 100/200 solar control units
X5/X6 Terminals for connecting lead (LV) to the heat pump control panel:
See page 43)
X24 Connection for LON communication module: See LON communi-
cation module installation instructions
X31 Slot for coding card: See page 45)
Swimming pool heating
Note
■
Swimming pool heating is switched via external H1
extension with KM-BUS.
■
Make connections at external H1 extension only in
accordance with the following diagram.
■
Connect only circulation pump for swimming pool
heating
F
to plug
gÖ
according to the following dia-
gram. A filter circuit pump must be connected sepa-
rately.
■
If the components for swimming pool heating are
connected to the external H1 extension,
no other
external function (e.g. operating status changeover)
can be connected.
Installation sequence
Heat pump control unit electrical connections
(cont.)
5692878
Installation