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AHT Cooling Systems GmbH
▶ Do not use any alkaline detergents or acids (pH-
values under 5 or above 7).
▶ Do not use chemically-aggressive cleaning agents.
Glass cleaning equipment:
All cleaning equipment must be clean.
For cleaning:
-
Soft, damp cotton cloth
- Special cleaning wipes soaked with ethanol. Available
as an accessory through maintenance services (see
➙
Chapter 10.4).
For drying (exterior glass):
-
Soft, slightly damp cotton cloth or paper towel.
NOTICE
Material damage
due to incorrect cleaning equipment.
Damage to the surface. Destruction of the coating
results in loss of function.
▶ Do not use microfibre cloths.
▶ Do not use any hard, pointed objects (e.g. steel
blades)
▶ Do not use any squeegees (wiper with rubber lip).
▶ Do not use any absorbent sponge cloths or
sponges.
cleaning steps for the exterior:
-
Clean the glass surfaces.
-
Subsequently dry all cleaned surfaces.
10.1.3 Main cleaning
responsibility:
The main cleaning is an intensive cleaning process and
may only be performed by AHT-authorised and trained
cleaning companies.
cleaning intervals:
-
At least twice a year or
- as needed
cleaning steps:
Observe separate cleaning instructions. These are made
available to AHT-authorised cleaning companies.
10.2
Maintenance, service and repair
Maintenance, service and repair work, including the sub
-
sequent function test, may only be carried out by specialist
personnel. For questions regarding maintenance, contact
maintenance services (see
➙
Chapter 10.4).
WArNiNG
use caution when working on the electrical
system. contact with any parts carrying
live voltage can cause an electric shock.
Risk of fire due to sparks or overload.
▶ Only specialist personnel are permitted to
carry out work on the electrical system.
▶ Observe the special safety instructions (see
➙
Chapter 1.6).
▶
Before any maintenance, service and repair
work
1. Disconnect the appliance.
2. Safeguard the appliance against uninten-
tional restart.
▶ Re-commissioning and the function test may
only be carried out by specialist personnel.
cAutiON
Maintenance, service and repair work on the
appliance. Sharp edges, rotating parts. risk
of injury on hands and the body.
▶ Only specialist personnel are permitted to
carry out work on the appliance.
▶ Wear protective gloves
10.2.1 Maintenance
Maintenance intervals:
-
Appliances with brine circuits: Twice a year
-
Or according to separate maintenance agreement be
-
tween AHT and the customer.
Performing the maintenance work:
Observe the separate maintenance instructions and
maintenance protocols. These are provided to specialist
personnel.
10.2.2 Replacing lamps
lamps used:
LED bars
If a lamp goes out, please contact maintenance services
(see
➙
Chapter 10.4). Technical specifications see
➙
Chapter 2.2
WArNiNG
Working on the electrical system. contact
with any parts carrying live voltage can
cause an electric shock.
▶ Only specialist personnel are permitted to
change lamps.
▶ Observe the electrical safety regulations
before beginning any work:
1. Disconnect the appliance.
2. Safeguard the appliance against uninten-
tional restart.
10.2.3
Changing the battery
WArNiNG
Working on the electrical system. contact
with any parts carrying live voltage can
cause an electric shock.
▶ Only specialist personnel are permitted to
change batteries.
▶ Observe the electrical safety regulations
before beginning any work:
1. Disconnect the appliance.
2. Safeguard the appliance against uninten-
tional restart.
