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3 System without system control (0020253231)
Work step
22
Indoor unit
► Connecting a limit thermostat
23
Outdoor unit, indoor unit
► Installing the eBUS line
3.6
Completing installation
→ aroTHERM installation and maintenance instructions, from section 5.5 onwards
Work step
24
Building
► Sealing the wall duct
3.7
Starting up the system
→ uniTOWER installation and maintenance instructions, from section 7.2 onwards
Work step
1
Heating circuit
► Filling and purging the heating installation
2
Outdoor unit
► Switching on the power supply
3
Indoor unit
► Switching on the power supply
3.8
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
− 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
5
Language
6
Syst. control avail.
7
Im. heater outp. range
8
Cooling technology
9
Limit. ODU current
10
Selected information/measures
► Observe the wiring diagram.
→ uniTOWER installation and maintenance instructions, appendix B
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.
Selected information/measures
► Seal the wall duct using a suitable sealing compound.
Selected information/measures
► Observe the requirements for the heating/filling and supplementary water.
Comment
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.
► Set the required language.
► No
► If required, reduce the output of the back-up heater.
Condition: Product with cooling mode
► Active cooling
Condition: Reduced electrical fuse protection
► Reduce the power supply accordingly.
–
Output 3.5–7 kW: 13–16 A
–
Output 10–12 kW: 20–25 A
This reduction affects the output for the heating and domestic hot water at the
same time.
System assistant 0020243831_00
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