AEROTECNICA COLTRI MCH 14 TECH NITROX SERIES, Instruction Manual, Page: 47 / 117

47
Use
During this operation, the operator’s position is that shown in chapter 3.2 “Noise level”.
WARNING
During the filling of the cylinders it is compulsory for staff who are not involved with the task to keep a
distance of at least three metres. Furthermore, it is not permitted to disconnect the hoses from the
connectors or from the filling tap while the machine is under pressure.
INDICATION
During the cylinder filling phase, it is advisable to immerse the cylinders in cold water in order to reduce
the drop in pressure when the cylinders cool down.
The attachments: INT - DIN 200 and DIN 300
(Fig. 55) are available.
Each filling hose can be connected to a cylinder
so that more than one cylinder can be filled at
the same time.
The following operations must be repeated for each
hose that is to be connected to the cylinder to be
filled. Furthermore, it should be borne in mind that
each control panel on the machine is provided
with controls that carry out the same functions
(see chapter 7).
Each panel controls a pump unit ,the right panel
for the low pressure pump unit and ,the left panel
for the high pressure pump unit while the 2 hoses
are connected together and can fill up to 2
cylinders using the compressors, together can
be filled at the Nitrox gas or only the high pressure
compressor can be filled at the air (Fig. 56).
55
56
9.2
Filling the cylinders
Uso