2 Notes on the documentation
4
System assistant 0020243831_00
2
Notes on the documentation
2.1
Observing other applicable documents
▶
Always follow all the operating and installation instruc-
tions included with the system components.
2.2
Working with the system assistant
The system assistant is used to help with the system installa-
tion and start-up. The important steps are shown, depending
on the selected basic system diagram. All other necessary
instructions and information are described in the instructions
for the system components.
▶
Use the references to the instructions.
▶
Follow the information, directions and instructions that
are described here.
The settings on the control for the indoor unit and/or the
system control refer to the basic system diagram that was
shown before.
▶
Configure the system in accordance with the end user's
requirements.
▶
Adjust the system settings to the local conditions.
2.3
Key for the symbols
Symbol
Meaning
Cooling
Air heat source
2.4
Key for the system components
Compon-
ent
Meaning
2c
outdoor unit refrigerant split
2d
indoor unit refrigerant split
3e
circulation pump DHW
4
buffer cylinder
8a
expansion relief valve
8b
expansion relief valve drinking water
8c
safety assembly drinking water connection
8f
expansion vessel drinking water
9a
single room temperature control valve (thermo-
static, motorized)
9d
bypass valve
12
system control
12k
overheat protection thermostat
12m
outdoor temperature sensor
12q
VR 920 communication unit
