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2.5
Refrigerant-split heat pump systems
Basic sys-
Heat generator
tem dia-
gram
0020253231
aroTHERM VWL ... AS
uniTOWER VWL ... IS
0020232127
aroTHERM VWL ... AS
uniTOWER VWL ... IS
0020243831_00 System assistant
Heat
Heating circuits
source
Regu-
Non-reg-
lated
ulated
−
X
1
−
X
1
Notes on the documentation 2
Additional
System
Special equipment
functions
control
–
X
Buffer cylinder
Outdoor temperature
sensor
X
X
As of multiMATIC
VRC 700/5
Buffer cylinder
As of the VR 920 commu-
nication unit
Circulation pump
Outdoor temperature
sensor
5
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