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VIKING 4G E, S
Rev. 1.0 (29.1.2020)
Installation
6.8.1. Water connection and quality requirements
• The unit must be connected to the cold and warm water supply and, if fi tted with a twin water con-
nection option (T), also to the soft water supply.
• All water supply lines must be fi tted with a one-way valve and a shut-off valve (not included in delivery).
• Before connection to the unit all water lines must be thoroughly rinsed from all loose particles.
• The water pressure range for optimum performance is 250 - 600 kPa.
• The minimum water pressure allowed for proper function of the unit is 250 kPa. If the pressure is
lower, a pressure rise pump must be fi tted by the customer.
• The minimum water fl ow rate in the kettles is 5 l/min. To ensure optimal operation of the unit, it is
recommended cold water fl ow rate must be at least 20 l/min.
• All water connections are of size Ø15mm (R 1/2”).
• The size of particles in the water must not exceed 15 μm
• Water conductivity should be below 1000μS/cm. Already when the conductivity is over 500μS/cm, a
water analysis is recommended.
• Maximum chloride concentration allowed is 60 mg/l.
• Maximum chlorine concentration allowed is 0,2 mg/l.
• The pH value of the water should be between 6,5 and 9,5.
• The water hardness should be less than 6 ° dH. Water hardness must not exceed 9 ° dH. If the hard-
ness of the water is between 6-9 ° dH, it increases the need for cleaning the steam generator and
shortens the lifespan of heating resistors.
• Unit damages caused by chloride, chlorine or pH values exceeding the stated limits are not covered
by manufacturer warranty.
1. Electrical power supply cable, PG21/PG36/PG42 gland
2. Cold water connection R1/2” ( ø15 ). Must be fi tted with a one way valve and shut off valve.
3. Hot water connection R1/2” ( ø15 ). Must be fi tted with a one way valve and shut off valve. (option)
4. Ice bank cooling inlet R3/4”. Max. pressure 3 BAR, fl ow 90l/min. (option)*
5. Ice bank cooling outlet R1”. (option)*
6. Ice bank cooling control cable 4 x 0,75mm (option).*
7. HACCP cabling (option).
8. Power management system control cable (option).
9. Steam inlet R3/4” / R1” / R1 1/4” (option)
10. Condensate outlet R1/2” / R3/4” (option)
11. Compressed air inlet R1/2” max pressure 1,3 bar, minimi fl ow 30 l/min (option)*
12. Twin water inlet R1/2”(option)
* Proveno kettles only
An example of connections in a kettle group
KETTLE 1
KETTLE 1
(KETTLE 1)
(KETTLE 1)
(KETTLE 1)
KETTLE 2
(KETTLE 2)
(KETTLE 2)
(KETTLE 2)
KETTLE 3
(KETTLE 3)
(KETTLE 3)
(KETTLE 3)
KETTLE 3
KETTLE 2
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