6
/07.2016/DXEN
Operation
Area Cause Danger Safety note
In the lower part of
the unit, refrigerant
piping
Leaks in the refrigerant
piping, defective safe-
ty valve/high pressure
switch, fire
Discharge of refrigerant under
high pressure, explosion of
pipe sections, formation of acid
vapours with open flames
In case of fire wear pro-
tective mask.
Unit bottom, even-
tually raised floor
Accumulation of conden-
sate and water discharge
by too small or clogged
drain pipe
Corrosion and development of
mould by moistness.
Humidity in combination with
electric connections.
De-energize water dis-
charge area.
Electrical alimen-
tation
Falsely dimensioned cab-
les or protection devices
Short-circuit, fire, acid vapours Correctly design alimen-
tation cables and pro-
tection elements. Wear
protective mask.
Maintenance
Area Cause Danger Safety note
In the lower part of
the unit, refrigerant
piping
Leaks in the refrigerant
piping, defective safe-
ty valve/high pressure
switch.
Discharge of refrigerant
under high pressure,
burns in case of contact to
the skin, formation of acid
vapours with open flames
Wear safety glasses and
gloves, don't put your head
into the unit.
Pressure lines,
compressor, reheat
behind heat ex-
changer
Heat Burns in case of contact to
the skin
Wear safety gloves. Avoid
contact to hot unit parts.
Heat exchanger Sharp edges, fins Injuries by cutting Wear safety gloves.
Steam humidifier Discharge of steam Burns Avoid area around the steam
lance.
Electrical box Live components, sup-
posed to be voltage-free.
Electric shock Secure master switch against
being switched on again.
Dismantling
Area Cause Danger Safety note
In the lower part of
the unit, refrigerant
piping
Soldering off or cutting
the refrigerant pipes still
under pressure.
Discharge of refrigerant
under high pressure,
burns in case of contact to
the skin.
Depressurize pipes before
disconnecting them.
Wear safety glasses and
gloves, don't put your head
into the unit.
In the lower part
of the unit, water
piping
Unscrewing the water
pipes still under pressure.
Discharge of water under
high pressure, contact with
the skin of ethylen glycol, in-
creased risk of electric shock
in combination with electrici-
ty, risk of slipping
Drain of cooling water by
drain valve.
Wear rubber gloves.
Electrical box Live electrical alimentati-
on cable
Electric shock Check de-energized state
of the alimentation before
dismantling,
Wear safety gloves.
To Next Page
Loading...