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Hägglunds DUc Drive unit
| Installation
Bosch Rexroth AB, Version 06.2020, RE 15326-WA
7.13.1 Control system box and additional box
Connect the cables to the terminals inside the control system box. For some
features, there is an additional junction box next to the control system box. All
external electrical connections must be connected according to the electrical
drawings in the order specific Hägglunds DUc documentation.
7.13.2 Air-oil cooler
The main voltage and connection are marked on the electric motor marking plate.
Y or D Connection is done depending on supply voltage in accordance to
from MCC (Motor Control Center). The start and stop signal to control the MCC
shall be connected according to the order specific Hägglunds DUc documentation.
Check direction of rotation, see air stream arrow in
Air flow
HDC and
BOL 16-30
Star connection
3-phase 400 VAC
Connection
1-phase 230 VAC
L
3
P
E
L
1
L
2
O
P
E
L
1
7.13.3 Water valve connection - plate cooler
Connect the preassembled cable connector to the water valve on the top of the
drive unit, only for DUc LT2 and LT3. See
. For MS2, MT2, LS2 and LS3 the
plate cooler is already mounted on the drive unit within delivery.
7.13.4 Water valve connection - tube cooler
The water valve for tube cooler is already electrical connected to control system.
See
7.13.5 Oil heater
Connect the cables on the screw terminals inside the terminal box as shown in
For power and voltage see attached order specific Hägglunds DUc
documentation and rating on the oil heater. The start and stop signal to control the
heater shall be connected according to the order specific documentation
Fig. 45: Air-oil cooler
Fig. 46: Connections terminal box, oil heater
DD00073642
DD00073642
Air flow
BOL 725-2000