Set Values For The Internal Heat Exchanger (Ihe) - Viessmann PLC VITOCAL 350-HT PRO Service Instructions For Contractors

Adjusting set values

Set values for the internal heat exchanger (IHE)

Launch with
■ "Menu"
■ "Set val."
■ "IHE"
Fig. 20
The following settings can be changed:
"Min sprhtg downstr.of IHE"
■
Set value for minimum compressor superheating
■ "Start opening angle"
Start opening angle of the 3-way valve
"Max. hot gas temp"
■
Hot gas temperature from which the 3-way valve
closes
■ "Max. suction gas temp"
Suction gas temperature from which the 3-way valve
closes
"Suction gas temp. increase if evap. temp. >="
■
Evaporation temperature from which the suction gas
temperature is increased to the "Max. suction gas
temp" value
(cont.)
"Suction gas temp increase if condensation temp
■
>="
Condensing temperature from which the suction gas
temperature is increased to the "Max. suction gas
temp" value
"Open IHE valve"
■
Speed at which the 3-way valve is opened
"Close IHE valve"
■
Speed at which the 3-way valve is closed
Configuring the system
27