6.3 Water connection
6.3.1
Safe working when connecting the water supply and the drain
For your safety
Before starting work, familiarize yourself with the hazards described in 'Hazards and safety precau‐
tions during installation' on page 29.
Eligibility of personnel connecting the water supply and the wastewater system
Only qualified plumbers from an authorized service company are permitted to connect the combi oven
to the water supply and to the waste wastewater system.
Personal protective equipment
Wear the personal protective equipment specified in the section 'Personal protective equipment' on
page 43 of the 'For your safety' chapter for the relevant tasks.
Regulations for the water connection
Water pipes and connections must comply with local and national regulations. In particular these in‐
clude:
■
DIN 1988 part 2 and part 4
■
EN 61770
■
EN 1717
For appliances with an NSK certificate, the following regulations must also be observed:
■
Regulations from the National Sanitation Foundation (NSF)
■
International Plumbing Code 2003
■
International Code Council (ICC)
■
Uniform Plumbing Code 2003, International Association of Plumbing and Mechanical Officials (IAP‐
MO)
The appliance must be installed with suitable backflow protection to comply with applicable federal,
state, and local codes.
For Australia and New Zealand:
The water pipes must be installed in compliance with AS/NZS 3500 Plumbing and Drainage Code.
Australia only:
The double check valve supplied with this appliance must be installed in the water supply line to this
appliance to provide the backflow prevention required by the Plumbing Code of Australia.
Regulations for the drain connection
You must comply with local and national regulations on the design of the drain connection and on the
composition of the wastewater. These include:
■
DIN 1988 part 2 and part 4
■
DIN EN 1717
■
Local wastewater regulations
For appliances with an NSK certificate, the following regulations must also be observed:
■
International Code Council (ICC) or the unified Plumbing Code from the International Association of
Plumbing and Mechanical Officials (IAPMO)
■
Regulations from the National Sanitation Foundation (NSF)
Drain piping and connections must comply with the International Plumbing Code 2003, International
Code Council (ICC) or the Uniform Plumbing Code 2003, International Association of Plumbing and
Mechanical Officials (IAPMO).
6 Installation
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