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EN/05.2019 © STULZ GmbH – all rights reserved
CYBERHANDLER 2 INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Area
Cause
Danger
Safety note
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 disconnect-
ing them.
Wear safety glasses and gloves.
Water piping
Unscrewing the water
pipes still under
pressure.
Discharge of water under high pres-
sure, contact with the skin of ethylen
glycol, increased risk of electric shock
in combination with electricity, risk of
slipping
Drain of cooling water by drain valve.
Wear rubber gloves.
Electrical box
Live electrical alimenta-
tion cable
Electric shock
Check de-energized state of the
alimentation before dismantling, Wear
safety gloves.
Dismantling
Area
Cause
Danger
Safety note
Refrigerant piping
Leaks in the refrigerant
piping, defective safety
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.
Pressure lines,
compressor
Heat
Burns in case of contact to the skin
Wear safety gloves. Avoid contact to
hot unit parts.
Fin heat ex- changer,
air side
Sharp edges, fins
Injuries by cutting
Wear safety gloves.
Electrical box
Live components,
supposed to be
voltage-free.
Electric shock
1. Disconnect mains.
2. Prevent reconnection.
3. Test for absence of harmful voltages.
4. Ground and short circuit L1-, L2- and
L3 conductor in electric cabinet.
5. Cover or close off nearby live
components.
To energize apply these procedures in
reverse order.
Maintenance
