Hsotram HK2, Manual

Page: 19 / 36

MANUAL
HK2 – HK4 25-08-2014
Page
19
3 Installation instructions
3.1 Technical data
See dimensional drawings next pages.
HK2 HK3 HK4
(1) Flow connection " 1
(2) Return connection " 1
Power supply Volt 230
(3) Soot hatch - X
(4) Boiler drainage " 1/2
(5) ∅ ext. flue gas pipe mm 129
(6) Fan ∅
mm 180
Flue gas sensor pocket mm 7
(7) Cooling coil hole diameter " 1
Cooling coil length
mm 380 500
(8) Safety valve sensor placement " 1/2
Stud for boiler water side sensor pocket " 1/2
Nominal power kW 32 50
Wood log chamber length mm 540
Comb. period hard wood h 3.5 – 4.0 4.5 – 5.5 4.0 – 5.0
Comb. period soft wood h 2.5 – 3.5 3.5 – 4.5 3.0 – 4.0
Loading door : w. / h. mm 250/340 330/420
Wood log chamber volume (net) l 110 150 200
Wood logs length - max cm 50
∅ hard wood max diameter cm 10-15
∅ soft wood max diameter cm 10-15
Max service pressure bar 3.0
Boiler production test pressure bar 4.5
Cooling coil test pressure bar 25
Max operating temperature °C 100
Total empty weight kg 505 615 822
Water capacity l 120 140 270
Minimum storage tank volume l 1250 1750 2250
Dusts 10 % O
2
mg/m
3
45 30 <60
CO 10 % O
2
mg/m
3
677 612 <700
OGC 10 % O
2
mg/m
3
28 28 <30
Nominal flue gas temperature °C 130 <160
Minimum draught needed
mm WC 1-1,5
Pa 10-15
Mass flow of flue gas g/s 20 33
Pressure loss ∆ T 20°C
mmWC 3,5
Pressure loss ∆ T 10°C
mmWC 14
Electric consumption W <70
Efficiency % 91.6 92,7 >90
Boiler class EN 303.5 2012 Class 5