4 System with system control (0020232127)
16
System assistant 0020243831_00
Work step
Selected information/measures
22
Indoor unit
►
Establishing the power supply
►
Route the cables from the rear into the product and, from there, to the front
through the strain relief.
Condition:
Depending on the installation site
►
Install a type-A or type-B residual-current circuit breaker for the indoor unit.
23
Indoor unit, electrical house installation
►
Installing components for the energy supply
company lockout function
Condition:
Power supply via a dual-tariff meter
Option 1: Disconnect the power supply with contactor
Option 2: Actuating the ESC contact
→
uniTOWER installation and maintenance instructions, section 6.4
24
Indoor unit
►
Connecting a limit thermostat
►
Connecting a circulation pump
►
Observe the wiring diagram.
→
uniTOWER installation and maintenance instructions, appendix B
25
Outdoor unit, indoor unit, system control,
communication unit
►
Installing the eBUS line
Condition:
Refrigerant pipes with eBUS line
►
Check whether the existing conductor cross-sections for the eBUS line are
sufficient for the planned line length.
Validity:
Indoor unit
►
Do not connect more than two eBUS lines to the plug on the control PCB.
4.6
Completing installation
→
aroTHERM installation and maintenance instructions, from section 5.5 onwards
Work step
Selected information/measures
26
Building
►
Sealing the wall duct
►
Seal the wall duct using a suitable sealing compound.
4.7
Starting up the system
→
uniTOWER installation and maintenance instructions, from section 7.2 onwards
Work step
Selected information/measures
1
Heating circuit
►
Filling and purging the heating installation
►
Observe the requirements for the heating/filling and supplementary water.
2
Outdoor unit
►
Switching on the power supply
3
Indoor unit
►
Switching on the power supply
4.8
Implementing settings on the indoor unit's control
Explanation of the control elements and concept:
→
uniTOWER operating instructions, from section 3.4 onwards
Setting options in the installer level:
→
uniTOWER installation and maintenance instructions, appendix C
Menu path/entry
Comment
−
As soon as the indoor unit is supplied with power, the indoor unit's control starts up in the installation assistant.
−
4
To start the install. assistant, press OK
Condition:
Installation assistant not started
1.
Press
and
twice at the same time.
2.
Enter the competent person code
17
.
3.
Navigate to
Start inst. assistant
.
4.
Press
OK
.
5
Language
►
Set the required language.
6
Syst. control avail.
►
Yes
7
Im. heater outp. range
►
If required, reduce the output of the back-up heater.