Viadrus K4 - General Information; Produced Boiler Versions; Boiler Application and Benefits

General Information
3
Dear Customer
Thank you for your purchase of the VIADRUS K4 boiler and for your confidence in VIADRUS a.s.
To become familiar with a proper operation of your new product since the beginning, please read carefully the presented user´s manual,
especially Chapter No. 5 – Boiler Attendance by the user, Chapter No. 6 – Maintenance, and Chapter No. 7 – IMPORTANT NOTICES. We ask
you to follow the information presented below and especially to perform the prescribed annual inspections to be performed by an authorized
specialized company, which guarantees a long-term boiler operation free of failures to both your and our satisfaction.
1 Produced Versions of the Boilers
In your order specify the order specification code:
VIADRUS K4 X
1
X
2
X
3
X
4
X
5
X
6
X
1
Exchanger:
G:
stainless Sermeta
X
2
Water heating:
1:
without installed three-way valve with a pump
2: three-way valve, pump, HSW exchanger
3: with a three-way valve with a pump
X
3
Electrical equipment:
H:
Honeywell
X
4
Output:
24:
24 kW
33: 33 kW
X
5
Fuel:
Z:
natural gas
P: propane
X
6
Cover color:
W:
white
R: red
S: silver
B: black
Conversion of the VIADRUS K4 boiler from natural gas to propane and vice-versa can be performed by a contracted service provider
only.
Chimney flue made by ALMEVA has been certified for this boiler. If you use chimney flue made by a different producer, it is necessary
to use a system with identical parameters as for the certified type of the chimney flue.
2 Boiler Application and Benefits
The VIADRUS K4 condensing boiler has been designed for combustion of low pressure natural gas.
The size of the condensing boiler is suitable for heating of family houses and recreational facilities as well as for reconstruction of heat sources
in individual apartment units. The condensation heat output is 5 – 24 kW, 10 – 33 kW.
The boiler body efficiency at the 50/30 °C temperature gradient varies in a range of 101 – 105 % depending on the required output.
Boiler Benefits:
• Low gas consumption
• High combustion efficiency
• Smooth output modulation
• Easy attendance and maintenance
• The boiler enables connecting to a reservoir of hot service water heater and ensures its preferential heating
• Reliability of the regulation and safety components
• Low weight
• Equithermal boiler regulation