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We reserve the right to modify technical specifications without prior notice.
83053600bUK – Translation of the operating manual
© Alpha-InnoTec GmbH
electrical connections
The following applies to all work to be done:
Danger!
risk of fatal injury due to electric shock!
electrical connections may be installed
only by qualified electricians.
Before opening the unit, disconnect the
system from the power supply and prevent
it from being switched back on!
WarnIng!
During installation and while carrying out
electrical work, comply with the relevant
en‑, vDe and/or local safety regulations.
Comply with technical connection
requirements of the responsible power
supply company (if required by the latter)!
WarnIng!
Install electric connections only according
to the terminal diagram that applies to
your model.
note.
All live wires must be stripped before they are
installed in the cable duct of the switch cabinets!
attentIon
The power supply for the heat pump and the
electric heating element must be equipped with
a three-phase automatic circuit-breaker with
at least 3mm contact spacing according to IEc
60947-2.
Note the level of the release current.
overview “Technical data / scope of delivery”,
“Electric” section.
Example: Hmd 1:(E)
1 Terminal strip, power supply cable
- Heat pump
- Heating element
2 bus cable connection
3 control voltage
4 230 v inputs
5 Terminal strip, external sensors
6 Return flow sensor
7 cable routi ng
Example: Hmd 1:
1 flow to the heating circuit/
domestic hot-water tank
2 flow from heat pump
3 Return flow sensor - 1.5m
on the hydraulic module
4 Return flow to heat pump
Summary of Contents for HMD 1
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