Fusing; Start-Up; Operation - AHT AC Serie Betriebsanleitung

en | AHT Cooling Systems GmbH
WARNING
Connect the appliance to the power
supply.
Contact with live parts may result in electric
shock. Fire hazard due to sparking or over-
load.
▪ Only qualified staff may carry out work on
the electrical system.
▪ Before connecting to the power supply, ob-
serve the following:
- Applicable local electrical safety regula-
tions.
- Applicable standards and safety instruc-
tions.
- Information on the rating plate (see →
Rating plate and serial number).
- Mains voltage and mains frequency must
match the information on the rating plate.
▪ Do not connect a damaged device or dam-
aged parts (such as connecting cables) to
the power supply.
▪ Only qualified staff may replace damaged
parts, e.g. connecting cables.
▪ Do not squeeze or bend the mains power
cable.
▪ Adhere to the minimum requirements for
connecting cables (see →Technical data).
▪ Fuse the appliance in accordance with the
applicable regulations and laws as well as
the specifications issued by AHT (see

→Fusing).

▪ Only connect the appliance to a mains cir-
cuit with protective earthing.
▪ Do not use extension cords or multiple
socket strips.
▪ Do not damage concealed electrical parts.
The operator must not drill into the appli-
ance or carry out any other work on it.
NOTICE
Material and property damage due to devi-
ations (voltage, frequency) in the operator's
electrical network that are not permitted by
AHT.
▪ The manufacturer is not liable for damage to the
operator's electrical equipment or any resulting
damage.
Material damage due to faulty electrical con-
nection.
▪ Load breakers or device shut-downs are not permit-
ted.
Appliance connection
The appliance is connected using a mains plug (see
→Technical data and Start-up).
8.2 Fusing
Responsibility
– Operator
Every electrical connection must be sufficiently fused.
For technical data see →Technical data
405860_1_0819
WARNING
Faulty/insufficient fuse protection.
Contact with live parts may result in electric
shock. Fire hazard due to sparking or over-
load.
▪ Ensure adequate fuse protection.
▪ Observe applicable local regulations, e.g.
for electrical installation and operation of
the appliances.
▪ Observe applicable standards and safety
instructions.
▪ Never operate the appliance without a cir-
cuit breaker.
▪ Never operate the appliance without a re-
sidual current device.
▪ Never connect more than 2 units to an
electrical protection. AHT recommends to
connect one unit only.
9

Start-up

Responsibility
– Operator
WARNING
Damage to the electrical system and/or
the refrigerant circuit.
Contact with live parts may result in electric
shock. Flammable refrigerant can escape and
cause an explosive gas/air mixture. Fire haz-
ard due to sparking or overload.
▪ Do not operate a damaged appliance.
▪ Do not connect any damaged parts to the
power supply, e.g. connecting cables.
▪ Only qualified staff may replace damaged
parts, e.g. connecting cables.
▪ Observe safety notices and warnings for
appliances with flammable refrigerants
(see →Flammable refrigerants).
▪ In the event of damage to the appliance,
promptly contact the maintenance service
(see →Maintenance services).
NOTICE
Property damage due to incorrect ambient
conditions.
▪ Adjust the appliance to match the ambient temper-
ature prior to start-up.
▪ The ambient temperature must not be less than 16
°C (60.8 °F).
Start up the appliance
1. Attach the mains plug on the connecting cable
(see →Electrical connection).
2. If is displayed on the control element, press
(see → Page 31, Chapter 5).
The appliance will start up after a short delay of ap-
prox. 60 seconds.
10

Operation

Only trained operating personnel may operate the ap-
pliance.
Fusing | 8.2
35 / 458