Wilorton Holding MK-C-10-BM SERIES, Operation Manual, Page: 319 / 416

3. Installation and Maintenance
Note: Before actioning any installation or maintenance work
observe the 'Safety information' in Section 1.
Refering to the Installation and Maintenance Instructions, name-plate and Technical Information
Sheet, check that the product is suitable for the intended installation.
Check:
materials, pressure and temperature to ensure compatibility of the product with the required
application. If the product’s maximum operating limit is lower than the one in the system where the
Colima TOR will be mounted. Also check if the environmental temperature around the device is
between the values declared on the label (-20÷40°C).
Remove
protective covers from all connections and the protective film from the name-plate.
3.1 Assembly
The Colima TOR magnetic level switches are delivered packed.
Caution
before installation disassemble the lower flange and remove the float from its
p
Confirm
the presence of supplied gaskets.
3.1.1
Fit the level switch in the tank paying attention to avoid any damage to the float.
Any damage of the float can interfere with the correct operation of the unit.
3.1.2
Place the supplied gaskets between the flanges or thread.
3.1.3
Flange mount:
Place the supplied gasket between the flanges. Fix the flanges with bolts.
Firmly secure the fixing by tightening the flange bolts.
Thread mount: Place the gasket in seat, for cylindrical thread or use PTFE tape on conical
thread.
Firmly secure the fixing by tightening with a wrench.
3.1.4
Ensure that there is nothing stopping the correct operation of the float.
3.1.5
Open the unit housing and connect the wiring at the terminal board.
The housing has two cable entry points: G ½" F, Explosion-proof Gk ½" F, ½" NPT F,
M 20 x1.5, PG 13.5 (only for Waterproof and Explosion-proof versions).
Caution:
Always ensure that correct earthing of the equipment is carried out. Specific points are
set inside and outside the housing.
Explosion-proof housing operating limits
Technical data
Class
I
: simple protective-earth connection requirement
Torques of the cover = 40Nm
Employment data for potentially explosive atmospheres
Ambient temperature limits -20°C to +50°C
Marking
II
1/2 GD EEx d
II
C T6 Ga/Gb
EEx tb
III
C T85°C Da/Db
I
a
Temperature class T6 T4
Permitted temperature variation range -20°C to +40°C -20°C to +80°C
Suitability for the area of: 0, 1, 2, GAS Group
II
(Directive 99 / 92 / CE)
Protection degree IP66 / IP67
Warning:
1.
Do not make any modification to the housing. Any alterations or modifications to the product will
invalidate any warranties, explosion proof characteristics and any
marking.
2.
Install at the inlet of the housing a suitable fixing or locking device with filling material.
The absence of these components will result in the loss of responsibility by the manufacturer.
3.
These products should only be used for the purpose they were designed for. Anything outside
of the stipulated application range may be subject to unforeseen and dangerous circumstances
and full responsibility will be with the installer.
4.
Any accessories used for cable entries and for closing unused apertures shall be certified
according to EN 60079-0, EN 60079-1, EN 61241-0, EN 61241-1 and be at least
IP66 / IP6
7.
319