FRIEDHELM LOH Rittal 3273 Series, Assembly And Operating Instructions Manual

Page: 8 / 32

4 Assembly and connection
EN
8 Rittal enclosure cooling unit
Fig. 6: Sealing frame on roof plate

Affix the supplied sealing plate to the bottom of the
plastic base of the cooling unit (3273.xxx, 3383.xxx,
3384.xxx, 3385.xxx).
Fig. 7: Sealing plate underneath the plastic base of the cooling
unit

Mount the cooling unit on the enclosure roof.

Screw the supplied twin-threaded bolts into the core
holes in the plastic base on the underside of the cool-
ing unit with a maximum of 5 Nm.

Secure the unit using the supplied washers and nuts.
Fig. 8: Roof plate reinforcement for the TS 8 enclosure
Accessories for roof plate reinforcement with TS:
TS roof plates
Quick-change frame
Punched rail
U nut
Fastening bracket
Threaded block
(refer also to Accessories in the Rittal Catalogue)
4.4 Connecting the condensate discharge
A condensate discharge hose (Ø
1
/
2
˝) may be fitted to
the cooling unit.
The condensate discharge
– must be laid with a suitable and constant gradient (no
siphoning)
– must be laid without kinks
– must not have a reduced cross-section if extended
The condensate hose is available as an accessory (refer
also to Accessories in the Rittal Catalogue).
Fig. 9: Connecting the condensate discharge

Connect a suitable hose to one of the two condensate
nozzles and secure using a hose clip.
The condensate nozzle that is not required should be
sealed.

Lay the condensate hose, e.g. into a drain.
Fig. 10: Laying the condensate discharge
Note:
In order to achieve a permanent seal be-
tween the cooling unit and the enclosure,
the mounting surface should be reinforced
or supported if necessary. This is particular-
ly applicable with large roof areas.
½"