106
Procedure Explanations and references
■
Profile E Temperature/time profile 5
1 5 10 15 20 25 30
10
20
30
40
50
t/d
ϑ
/°C
■
Profile F Temperature/time profile 6
1 5 10 15 20 25 30
10
20
30
40
50
ϑ
/°C
t/d
Abort startup
■
Use to restart the system.
■
Use to return to system configuration
Installing and connecting the wireless remote control (accessory)
Installation and service instructions for the wire-
less remote control
The Viessmann appliance (e.g. heat generator or ven-
tilation unit) is connected to the wireless remote control
via low power radio.
Note
The wireless remote control is commissioned via the
ViGuide app.
Filling the system
The filling of the system is menu-guided with the com-
missioning assistant.
!
Please note
Filling and venting the system with the transport
bracket loose can cause damage to the outdoor
unit.
Before filling and venting the system, check
whether the transport bracket is secured: See
page 52.
Fill and top-up water
Do not use antifreeze (e.g. water/glycol mixture) in the
heating water.
!
Please note
Unsuitable fill and top-up water increases the
level of deposits and corrosion. This can reduce
the output of the heat pump or cause damage to
the system, in particular to the integral instanta-
neous heating water heater.
■
Flush the heating system thoroughly before
filling.
■
Only fill with water of potable quality.
■
Use only softened fill and top-up water com-
plying with VDI 2035.
For further information about fill and top-up water: See
technical guide "Heat pump principles".
We recommend filling the entire system with potable
quality water first.
Treat the heating water with one of the following
options:
■
Direct filling via descaling system while maintaining
the minimum flow rate
■
Filling with purge pump and treated water
■
Filling with circulation process between flow and
return
Commissioning, inspection, maintenance
Commissioning the system (cont.)
6222080
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