Personnel Requirements; Operating Personnel; Qualified Staff; Personal Protective Equipment - AHT RIO Serie Betriebsanleitung

2 | Safety
▪ To ensure good air circulation, maintain minimum
distances to surrounding walls and other appli-
ances (see →Setup and installation).
▪ Only operate the appliance with its lids.
▪ Only operate the appliance with the swivel castors
mounted.
▪ Do not travel over steps with the appliance.
▪ Read the installation notes (see →Setup and instal-
lation).
▪ Do not operate the appliance if the glass element
or lid are damaged (cracks, breaks).
- Remove goods from the damaged appliance and
move them to a working appliance with the same
product temperature class.
- Switch off the damaged appliance after removing
the goods (for shutdown, see →Shutdown).
- Contact the maintenance service (see →Mainte-
nance services).
▪ Check if the lid is closed.
▪ Do not attach stickers or films to glass surfaces.
▪ Do not use the lid as storage space for objects.

2.3 Personnel requirements

WARNING
Insufficient qualification.
Risk of injury.
▪ Only suitably qualified personnel may work
on the appliance.
▪ Personnel must have read and understood
this manual prior to commencing any work.
Operating companies
–
The operating company must ensure that this
manual has been read and understood by the op-
erating personnel (training).
–
The operating company is responsible for ensur-
ing that malfunctions during operation (e.g.
alarms, temperature deviations, etc.) are detected
by the operating personnel and that appropriate
action is taken (see →Malfunctions during opera-
tion and What to do if...).

Operating personnel

–
The operator must train the operating personnel
on the contents of this manual (tasks, possible
dangers, ...).
–
Only trained operating personnel may operate
and clean the appliance.

Qualified staff

–
Only specialist qualified staff authorised by AHT
may carry out work on the appliance. Mainte-
nance, service, and repairs.
–
Only qualified staff trained in handling flammable
refrigerants may work on the refrigerant circuit of
R-290 appliances.
–
Only qualified electricians may carry out work on
the electrical system.
Persons (including children) with limited physical, sen-
sory, or mental abilities may only operate the appli-
ance under supervision and after training, and may
not carry out any maintenance work. Children must
not play with the appliance.
Work under the influence of alcohol and drugs is pro-
hibited.
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2.4 Personal protective equipment

Wear hand protection
–
Protection from heavy equipment parts during
transport, unpacking, installation, and disposal.
–
Protection from sharp edges, rotating parts, and
hot surfaces during maintenance and repair work.
–
Protection from contact with liquid/leaking refrigerant
in the event of leakage in the refrigerant circuit.
–
Protection from low temperature during loading
and cleaning.
–
For removing glass parts and glass splinters in
the event of glass breakage.
Use eye protection
–
Protection from contact with liquid/leaking refrigerant
in the event of leakage in the refrigerant circuit.

2.5 Particular hazards

2.5.1 Electrical voltage

Only qualified staff may carry out work on the electri-
cal system.
In the event of fault messages or damage to the appli-
ance, contact the maintenance service (see →Mainte-
nance services).
WARNING
Contact with live parts may result in elec-
tric shock.
Fire hazard due to sparking or overload.
▪ Do not connect a damaged appliance or
damaged parts (such as connecting ca-
bles) to the power supply.
▪ Check to ensure safety devices are com-
plete and working.
▪ Do not remove protective devices and co-
vers attached to the appliance.
▪ Note the following before connecting to the
power supply:
- Applicable local electrical safety regula-
tions.
- Applicable standards and safety instruc-
tions.
- Information on the rating plate (see
→Rating plate and serial number).
- The mains voltage and mains frequency
must match the specifications on the rat-
ing plate.
▪ Only trained operating personnel may dis-
connect the appliance.
▪ Observe the following safety rules if the
appliance is damaged during operation or
prior to maintenance:
1. Disconnect the appliance (switch off all
sources of electrical power).
2. Secure the appliance against reconnection.
▪ Only qualified staff may replace damaged
parts, e.g. connecting cables.
▪ Do not squeeze or bend connecting cables.
▪ Do not use extension cords or multiple
socket strips.
AHT Cooling Systems GmbH | en
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