Weir Warman 650 M200-MCR-G, Manual, Page: 280 / 287

4.3
Ambient conditions at set-up site
FUNKE oil-air cooling units are allowed to be used only at
ambient temperatures as follows:
In non-hazardous areas
(standard design): min. –25°C - max. +60°C
In hazardous areas
(OKAN explosion protected acc. to ATEX directives):
min. –25°C - max. +40°C
In every case the allowable temperature range of the motor
must be complied with!
Ambient air:
Unhindered inflow and outflow of ambient air must be
ensured to avoid a reduced heat dissipation (see also 6.1
assembly)
Furthermore, if the cooler core or the guard screen of the fan
is partly or completely covered, this may cause excessive
vibration of the fan or even failure of the drive.
Closed rooms must be adequately ventilated.
In case of low ambient temperatures and as a result
increased viscosity of the medium to be cooled the function
of the system must be guaranteed by appropriate measures
(e.g. pressure limiting valve, preheating).
Attention. Dust and mist may cause a heavy drop in
performance.
In case of aggressive or very salty air ( e.g. sea air) a special
paint is required.
Furthermore, in hazardous areas the ignition temperature of
developed gases must be considered!
FUNKE oil-air cooling units in explosion protected design
are approved only for:
ATEX group II, category 3, zone 2 or 22 respectively.
No operation allowed in case of flooding (completely or
partly)!
Special modifications are available.
4.1 Allowed media
- mineral oils, e.g. lubricating oil, cutting oil,
converter oil
- rapidly biodegradable oils, if not attacking aluminium
- hydraulic fluids, e.g. HFA, HFB, HFC and HFD
- water/glycol mixture, e.g. water/glycol 65:35
Under no circumstances use water without anticorrosive
agent! (min 2 %)
Contaminated oils must be filtered (grade of filtration 0,05
mm) !
Further media may be used only after written approval by
FUNKE.
4.2 Operating Data
Allow. operating pressure : max. 16 bar!
Max. operating temperature of the media to be cooled:
Oil in hazardous areas
(acc. to EU-ATEX directives): max. 100°C
Oil in non-hazardous areas: max. 120°C
Hydraulic fluids: max. 90°C
Water/glycol mixture: max. 90°C
Boiling or freezing of the medium to be cooled must be
avoided in any case. Otherwise the cooler core or
connections could be destroyed.
- 6 -
Important!
Attention!
Attention!
4.0 Functional range,
operation conditions
BA FUN.OLK.001 EN 10.08
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