Thermona Therm 28 KD, Руководство по установке

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5
3. TECHNICAL SPECIFICATIONS
units THERM 28 KD THERM 28 KDZ THERM 28 KDC
Nominal heat input:
- natural gas kW 26.4 26.4 26.4
- propane kW 23.5 23.5 23.5
Minimum heat input:
- natural gas kW 4.9 4.9 4.9
- propane kW 4.9 4.9 4.9
Nominal heat output for heating at
∆
t = 80/60 °C:
- natural gas kW 26 26 26
- propane kW 23 23 23
Nominal heat output for heating at
∆
t = 50/30 °C:
- natural gas kW 28 28 28
- propane kW 25 25 25
Nominal heat output for DHW heating:
- natural gas kW 26 - 26
- propane kW 23 - 23
Minimum heat output at
∆
t = 50/30 °C kW 5 5 5
Gas screen hole:
- natural gas mm 6.5 6.5 6.5
- propane mm 5 5 5
Gas excess pressure on the inlet of the
appliance:
- natural gas mbar 20 20 20
- propane mbar 37 37 37
Gas consumption:
- natural gas m
3
.h
-1
0.5 – 2.85 0.5 – 2.85 0.5 – 2.85
- propane m
3
.h
-1
0.19 – 0.93 0.19 – 0.93 0.19 – 0.93
Max. heating system excess pressure bar 3 3 3
Min. heating system excess pressure bar 0.8 0.8 0.8
Max. DHW inlet pressure bar - - 6
Min. DHW inlet pressure bar - - 0.5
Max. heating water outlet temperature
o
C 80 80 80
Coaxial flue exhaust diameter mm 60/100 60/100 60/100
Average flue temperature
o
C 50 50 50
Weight flue flow:
- natural gas g.s
-1
3.1 – 14.7 3.1 – 14.7 3.1 – 14.7
- propane g.s
-1
3.4 – 17 3.4 – 17 3.4 – 17
Max. noisiness according to valid norms dB 52 52 52
Boiler efficiency % 98 - 106 98 - 106 98 – 106
Boiler NO
x
class 5 5 5
Nominal supply voltage / frequency V / Hz 230 / 50 230 / 50 230 / 50
Nominal electric input W 150 150 150
Nominal fuse current A 2 2 2
Level of electric components cover IP 41 (D) IP 41 (D) IP 41 (D)
Surroundings according to valid norms
basic
AA5/AB5 basic
AA5/AB5 basic
AA5/AB5
Volume of expansion vessel l 7 7 7
Expansion vessel filling excess pressure bar 1 1 1
DHW tank volume l - 40 – 200 -
DHW temperature kept in the tank
o
C - 65 -
DHW though-flow at
∆
t = 30
o
C:
- natural gas l.min
-1
- - 12
- propane l.min
-1
- - 11
Boiler dimensions: height/width/depth mm 800/450/370 800/450/370 800/450/370
Boiler weight kg 45 46 47