Mains Supply Connection; Connect Unit Support Battery - Siemens UTMC OTU Handbook

All the cables should be connected to the unit at this point.

4.6.5 Mains Supply Connection

STEP
14
Connect the unit to mains outlet
15 Switch on unit supply
:
IMPORTANT
Mains power is supplied to the unit through 6A rated cables.
Normally the unit is powered from an auxiliary mains supply provided within the
enclosure. In enclosures without this facility or if this is not convenient, a suitable
alternative mains supply must be provided, being careful not to compromise the safety
of the controller. A suitable disconnect device must be provided for this supply. (Refer
to Poole Engineering if in doubt).
Mains fused: The recommended rating of this external fuse is up to 5A anti-surge.

4.6.6 Connect Unit Support Battery

STEP
16
Connect unit support battery
To connect the Unit Support Battery, the fuse (Part Number 518/4/90285/008 supplied
separately), is inserted in the Battery Fuse Holder. If the unit is to be left not powered
after installation, this fuse should be removed and stored in a safe place, ready for
insertion during commissioning.
667/HB/31601/000
FUNCTION
:
The wires in the mains lead are coloured as follows:
BROWN – LIVE
BLUE – NEUTRAL
GREEN / YELLOW – EARTH.
FUNCTION
Page 33
UTMC OTU/MOVA Handbook
REFERENCE
4.6.5
–
REFERENCE
4.6.6
Issue 5