BaltGaz BaltGaz NEVALUX-8224, User Manual, Page: 6 / 56

User’s Manual
6
(hereinafter referred to as “boiler”) s produced in accordance with TU 4931-011-26985921-2012 (GOST R
51733-2001, GOST 20548-93) standards. The boiler is designed for heating dwelling and non-dangerous
industrial premises with an area up to 240 m, and also for domestic hot water supply (hereinafter referred to as
- DHW) for sanitary use.
2.2. Technical characteristics
________________________________________________________________________________ Table 1
NAME OF THE CHARACTERISTIC
UOM
BaltGaz NEVALUX- 8224
Type of gas Natural G20 / Liquefied G30
Family; group of gas 2-е; Н / 3-е; B/P
Gas pressure in the duct kPa 1,3 - 2,0/2,9
Rated heating effect kW 24,0
Rated heating power kW 26,7
Rated gas consumption m3/h 2,95/1,00
Minimal heating effect kW 8,9
Performance index at rated heating power , at least % 90,0
Performance index at rated heating power 30%, at least than % 88,0
CH
Temperature regulation range
°С
30-85
Heat carrier operating pressure MPa 01-02
Maximum heat carrier pressure MPa 0,3
Volume of inserted expansion tank L 6,0
Air pressure in the expansion tank MPa 0,1
D
H
W c
ir
cui
t
Water consumption at heating for T=25 °С l/min 14,0
Temperature regulation range
°С
Operating water pressure MPa
0,02 ■ 0,60
Minimal water pressure, Рmin MPa 0,015
Maximum water pressure, Рmax
(at water heat expansion pressure must not exceed this
value)
MPa 1,0
Minimal water flow for switching the boiler on l/min 2,5
Minimal water flow for switching the boiler off l/min 1,5
Specific water consumption, D
dm
3
/mi
n
11,6
Mass consumption of combustion products g/s 17,0 / 18,5
Average combustion products temperature
°С
140
Type of combustion products outlet Forced
Heat carrier Water, Propylenglycolum
Heat carrier circulation type Airtight forced circulation
Ignition type Automatic ignition, electronic ignition
Maintenance of set temperature Automatically kept with accuracy ±1 °С
Temperature indication LCD display
Rated power tension V
220 ±10%
Rated electric current frequency Hz 50
Maximum electric power consumption kW 0,125
Safety fuse
А
2
Electro security class I
Protection rate IP X4D
Overall dimensions: height widths x depth mm 720x410x326
Net/ Gross weight kg 34,0 / 36,5
C
onnec
ti
on
di
m
ens
ions
Gas inlet inch G3/4
CH inlet and output inch G3/4
DHW circuit inlet and output inch G1/2
Inlet air orifice / Output orifice for combustion
products (for coaxial pipes)
mm
Ø 100 / Ø60
(Inlet air orifice / Output orifice for combustion
products (for separate pipes)
mm
Ø 80 / Ø80