Stopping The Heat Pump - Viessmann VITOTRONIC 200 Operating Instructions Manual

Starting the heat pump
After a short time, the standard menu is displayed
(see page 11) and the green ON indicator illumi-
nates. Your heat pump and, if installed, your remote
control units are now ready for operation.

Stopping the heat pump

With frost protection
Select the operating program "Standby mode" for
every heating/cooling circuit.
For the priority heating/cooling circuit
Standard menu
1. / for the operating program "Standby mode"
(frost protection).
2. OK to confirm.
For all heating/cooling circuits
Advanced menu
1.
2. "Heating"
3. If necessary, press / for the required heating/cool-
ing circuit.
Without frost protection (shutting down the system)
1. Switch the ON/OFF switch OFF.
2. Isolate the heat pump from the power supply, e.g.
at a separate MCB/fuse or a mains isolator.
!
Please note
If outside temperatures below 3 °C are
expected, take appropriate measures to pro-
tect the heat pump and the heating system
from frost.
If necessary, contact your heating contractor.
Note
If a ventilation unit is connected to your heat pump
control unit, this unit will continue to run with minimum
air flow rate ( 1 ).
Information on a prolonged shutdown
Circulation pumps may seize up, as they are not
■
supplied with power.
It may be necessary to reset the date and time (see
■
page 38).
(cont.)
4. "Operating program"
5. "Standby mode" (frost protection)
At temperatures below
■
the heat pump, the DHW cylinder and the heating
water buffer cylinder is only ensured if an electric
booster heater is installed.
The circulation pumps are briefly started every 24
■
hours to prevent them from seizing up.
If a ventilation unit is connected to your heat pump
■
control unit, this unit will continue to run with the
selected operating program (e.g. "Ventilation pro-
gram").
Ending the operating program "Standby mode"
Select another operating program.
Start-up/shutdown
15 °C, frost protection for
−
19