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Parameter Dimension
Value
Model of hot water electric
boiler model “ELTHERM”
-
4, 4M,
4MM
6, 6M,
6MM
8, 8M,
8MM
10, 10M,
10MM
Thermal capacity of the boiler
kW
4
6
8
10
first stage
4
4
6
6
Thermal stages , kW
second stage
-
2
2
4
Electric capacity
kVA
4
6
8
10
Operating current
A
6
9
12
15
Cross section of the power
supply cable
mm
2
3 x 2.5 + 1.5
3 x 4.0 +
2,5
Nominal current of the main
automatic fuse
A 10
16
20
Power supply
-
L1, N, PE, 50Hz; 3x230V/400V
Efficiency %
99.1
Weight of the boiler
kg
40
Boiler’s water jacket capacity
dm³
9.5
W-width
515
D-depth
245
Overall
dimension of
the system:
(WxDxH)
H-height
mm
630
Operating overpressure of the
circulating water
MPa
0.25 in one-boiler operation;
0.18 in parallel operation with solid
fuel boiler
Heating system expansion
vessel type
-
Opened or closed (upto 0.25MPa)
Factory tested overpressure
MPa
0.4
Recommended circulating
water temperature in the boiler
ºC
85
o
C in opened systems;
95
o
C in closed systems
Minimal recommended return
water temperature in the boiler
ºC 60
Supply flow
1”
Connections
Return flow
G
1”
Electric protection
-
IP40
Table 2.2.
Thermal and technical data of hot water electric boiler of series
“ELTHERM” of thermal capacity range 4 – 10kW;