3.5  Installation of the devices with liquid 
cooling
Step Action Comment
1.
Arrange the devices on the backing plate as per Figure 
3.1. Pay attention to the routing of the connections for 
the cooling circuit at the rear. 
Please also provide enough space to the left of the 
supply unit for the controller (KeDrive D3-DU). 
Align all devices in a multi-axis group in a line along 
the top edge of the devices. 
Pay attention to the information in the 
chapter "Cooling circuit connection". 
 
This is necessary to be able to supply the 
controller with 24 V DC. 
This action is necessary for the busbars 
for the 24 V DC and the DC link coupling. 
2.
Mark out the position of the tapped holes and the pipe 
ttings on the backing plate.
Drill holes in the backing plate and cut a thread for 
each xing screw in the backing plate.
Pay attention to the bending radius of the 
connection cables! 
For hole spacing and dimensional 
drawings see Table 3.2, Figure 3.7 and 
Figure 3.8. 
3.
Install the axis controllers vertically and butt mounted 
with the supply unit in a row on the backing plate.
While screwing the hose connections (not included in 
the scope of supply) into the pipe ttings, lock the pipe 
ttings using a 22 mm open-ended wrench to prevent 
damage due to the application of torque to the device. 
The contact surface must be bare metal 
and conductive. 
4.
Pay attention to a perfectly sealed connection without 
leaks (e.g. using Teon sealing tape).
You will nd further notes on the liquid cooling in  
chap. A.9. 
You will nd the next steps for the electrical installation 
in “4 Electrical installation”. 
3.5.1  Dimensions (housing with liquid cooling)
KeDrive D3-DA BG3 BG4
Type
D3-DA 320/C-24xx
D3-DA 320/C-32xx
D3-DA 310/C-45xx
D3-DA 320/C-45xx
D3-DA 310/C-80xx
D3-DA 310/C-A3xx
D3-DA 310/C-B1xx
D3-DA 310/C-C0xx
Mounting method Vertical mounting with unhindered air ow (interior)
Side clearance Direct butt mounting
Weight approx. Approx. 13 kg  Approx. 20 kg / 25 kg
B (width) 164 274
H (height)  430 430
T/T1 (depth)  251 / 75.2 251 / 75.2
Mounting holes
A 27 27
A1/ A2 110/ 55 220/ 110
H2/ H3 6/ 378 6/ 378
C diameter 4.8 4.8
D 80 80
D1 35 (bore for pipe tting) 35 (bore for pipe tting)
E 247 247
F 70 70
G 47 102
H1 390 390
Screws 5 x M4 9 x M4
All dimensions in mm
Table 3.2  Table of dimensions KeDrive D3-DA BG3 and BG4 liquid cooling 
20
1  Mechanical installation 
Operation Manual KeDrive D3-DA BG3 and BG4 
1804.200B.1-01    Date: 03/2023
Mechanical installation