Viessmann VH3, Инструкции по установке и обслуживанию для подрядчиков

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Preparing cables without integral cable grommet
2.
1.
Fig. 22
1. Cut required openings in the cable grommets.
2. Route cables through cable grommets and secure
with cable ties.
Note
■
Strip as little of the insulation as possible, close
to the terminals.
■
If 2 components are connected to the same ter-
minal, press both cores together in a
single wire
ferrule.
Applying strain relief
1.
2.
Fig. 23
1. Insert cables with cable grommet into the apertures
in the control unit enclosure.
2. Secure cables with cable ties.
Overview of electrical connections
Part of heating system Chapter Page
Actuators, sensors and switches.
Connections for fuel supply system to
ZPK PCB of the control unit Commissioning 49
Outside temperature sensor Overview of electrical connections 31
Buffer temperature sensors Overview of electrical connections 32
Heating circuits, solar circuit, DHW etc. Connection options at the HKK PCB and extension kits via
KM-BUS 37
Electrical connections on the PCBs Overview of the PCBs 142
Outside temperature sensor connection
Plug
!
: Outside temperature sensor
1
2
1
Fig. 24
Assignment Function Additional information
1 Ai Pt1000
2 GND —
Installation sequence
Electrical connections
(cont.)
5679249
Installation