Euroclima ZHK, Manual

Page: 56 / 142

Instruction Manual ZHK
V07-21.0 55/140
Figure 101:
Closing of the joints with sealant
5.1.6 Cable gland
For the connection of engines, pumps, electric heaters, sensors, etc., EUROCLIMA loosely sup-
plies material for cable glands (
Figure 105
), which must be installed efficiently and properly. The
following procedure is recommended:
1. Drilling through AHU casing (at right angles to the surface).
2. Enlarge drillings on external panel and internal panel according to
Table 7
(by using a step drill
–
see
Figure 102
).
Size
(of the cable gland) External drilling diameter
(for screwing) Internal drilling diameter
(for sleeve)
M 16 17 19
M 20 21 23
M 25 26 28
M 32 33 35
M 40 41 43
M 50 51 55
M 63 64 71
Table 7:
Drilling diameters for cable glands
Figure 102:
Step drill
3. Insert sleeve (inside
–
see
Figure 103
) and screwing (outside
–
see
Figure 104
) into the drill-
ings and screw them together (see
Figure 105
).