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Cu electrical installation, Putting in operation, Rechargeable battery connection and state check – 2N Lift8 v1.5.2 User Manual

Page 27

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2N TELEKOMUNIKACE a.s., www.2n.cz

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CU Electrical Installation

Putting in operation

Keep the

disconnected from the mains.

CU

Loosen the three screws on the upper cover of the CU.
Move the upper cover of the

in such a way that you can remove it.

CU

When removing the cover, proceed with caution, be careful about the earth wire
connecting the cover with the

bottom part. Do not disconnect the wire unless

CU

there is a reason to do so!
Using the slide-on terminals supplied with the device, connect the Audio Units,
splitters (if there are 2 and more lift shafts) and other components of the system
with the

Adhere to polarity!

CU.

Install a PSTN, GSM or UMTS module unless installed on the

. Abide by the

CU

instructions given in the Instructions for Use of the given module (refer to Subs.
2.7 or 2.8).
Connect an analogue telephone line to the PSTN module if used (use a telephone
connector or the terminal board on the module). Do not forget to connect an
antenna to the GSM/UMTS module is used and insert a SIM card!
Connect the rechargeable battery jumper link (see the next subsection –
Rechargeable Battery State Check) to activate the rechargeable battery function.
Replace the upper cover on the

and tighten the cover fitting screws. Doing so

CU

make sure that the earthing wire is connected to the cover!
Connect the

power cable to a 230V socket.

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Power supply

The

is powered by 100–240V mains power.

CU

Rechargeable Battery Connection and State Check

Procedure:

Keep the

disconnected from the mains.

CU

Loosen the three screws on the upper cover of the CU.
Move the upper cover of the

in such a way that you can remove it.

CU

When removing the cover, proceed with caution, be careful about the earth wire
connecting the cover with the

bottom part. Do not disconnect the wire unless

CU

there is a reason to do so!
Interconnect the rechargeable batteries and connect them with the motherboard
using a FASTON cable (see the figure below). Mind the polarity.

Caution

If you connect one lift shaft only, it is not necessary to connect the
splitters. Use the splitters only if you want to connect 2 or more lift shafts.

Warning

Never connect an AC source or unstabilised DC source to avoid CU
damage.