Main Cleaning; Maintenance, Service, And Repairs; Maintenance; Replacing Lights - Daikin AHT VENTO GREEN MC 178 Betriebsanleitung

en | AHT Cooling Systems GmbH
NOTICE
Property damage due to misuse.
–
Only add goods to the appliance once the speci-
fied temperature for the product has been
reached.
–
Check the temperature display on the internal ther-
mometer (see →Temperature display).

11.1.3 Main cleaning

Responsibility
The main cleaning is an intensive cleaning procedure.
Only qualified staff and cleaning companies authorised
and trained by AHT may carry out main cleaning.
Cleaning interval
–
At least once a year, or
–
in the case of poor air permeability of the air con-
duits.
Checking of the air conduits by operating personnel (at
least quarterly):
► If the air conduits are filled by more than one third
with dust and dirt, a main cleaning is required.
–
according to separate maintenance agreement be-
tween AHT and customer.
Cleaning steps
Follow the cleaning instructions.
These instructions are available from qualified staff and
cleaning companies authorised by AHT.
11.2 Maintenance, service, and re-
pairs
Only qualified staff may carry out maintenance, service,
and repair work, including the following functional test.
In the event of questions relating to maintenance, contact
the maintenance service (see →Maintenance services).
WARNING
Work on the electrical system and re-
frigerant 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.
▪ Only qualified staff may carry out work on
the electrical system and refrigerant circuit.
▪ Note safety instructions, page 8, chapter
2.5.
▪ Observe the electrical safety rules prior to
commencing work.
1. Disconnect the appliance.
2. Secure the appliance against reconnec-
tion.
▪ During the repair a competent person with
knowledge of local conditions must be
available as contact for the qualified staff.
▪ Only qualified staff may restart the appli-
ance and perform functional tests.
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CAUTION
Sharp edges, rotating parts. Hot sur-
faces.
Risk of injury to hand and body. Risk of burns
in the event of skin contact.
▪ Maintenance, service, and repair work on
the appliance may only be carried out by
qualified staff.
▪ Use protective gloves.
▪ Touch hot surfaces, in particular the com-
pressor, only after they have cooled down.

11.2.1 Maintenance

Maintenance interval
–
Appliances with brine circuit: twice a year
– Appliances with "Air" or "Hybrid without brine cir-
cuit" mode: Once a year
–
or according to separate maintenance agreement
between AHT and customer
Perform maintenance
Observe maintenance instructions and maintenance
logs. These are available from qualified staff.

11.2.2 Replacing lights

Lights used
–
LED bars
If a light fails, contact the maintenance service (see →
Maintenance services). For technical data, see
→Technical data
WARNING
Work on the electrical system.
Contact with live parts may result in electric
shock.
▪ Only qualified staff may replace lights.
▪ Observe the electrical safety rules prior to
commencing work.
1. Disconnect the appliance.
2. Secure the appliance against reconnec-
tion.

11.2.3 Battery changing

WARNING
Work on the electrical system.
Contact with live parts may result in electric
shock.
▪ Only qualified staff may replace batteries.
▪ Observe the electrical safety rules prior to
commencing work.
1. Disconnect the appliance.
2. Secure the appliance against reconnec-
tion.
Replace batteries
Observe the separate instructions for battery replace-
ment (safe removal and replacement).
This is available to the qualified staff.
Battery type: According to instructions for changing
the battery.
Maintenance | 11
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