Table of contents
1 General safety instructions . . . . . . . . . . . . . . . . . . . . . . 5
2 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Declaration of Conformity. . . . . . . . . . . . . . . . . . . . 6
2.2 GB Importer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Product description. . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Supplied parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.6 Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.7 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Cable specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Environmental protection and disposal . . . . . . . . . . . . 8
AC-EXP – 6720891892 (2023/02)
1
General safety instructions
H Notices for the target group
These installation instructions are intended for qualified
persons who are skilled in dealing with climate, heating and
electrical systems. All instructions must be observed. Failure to
comply with instructions may result in material damage and
personal injury, including danger to life.
▶ Read installation manual (outdoor unit, indoor unit, control
unit, ERV ventilation unit, etc.) prior to installation.
▶ Observe the safety instructions and warnings.
▶ Follow national and regional regulations, technical
regulations and guidelines.
H Intended use
This product must only be used to expand the connections and
range of functions of the ACC MT central controller to control
VRF (Variable Refrigerant Flow) air conditioning systems.
All other use is considered unsuitable. Any damage that results
from such use is excluded from liability.
H Electrical work
Electrical work must only be carried out by electrical
installation contractors.
Before starting electrical work:
▶ Isolate all poles of the mains voltage and secure against
reconnection.
▶ Make sure the mains voltage is disconnected.
▶ Before touching live parts: Wait at least 5 minutes to
discharge the capacitors.
▶ Observe the wiring diagrams of other system components
as well.
H Original spare parts and accessories
The manufacturer assumes no liability for damage caused by
spare parts not supplied by the manufacturer.
▶ Use only original spare parts and accessories from the
manufacturer.
Table of contents
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