Karcher HDS 12-14-4 ST Gas - Manual (Page 29)

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Technical specifications
HDS 9/16-4
ST Gas HDS 9/16-4
ST Gas LPG HDS 12/14-4
ST Gas HDS 12/14-4
ST Gas LPG
1.251-108 1.251-109 1.251-110 1.251-111
Performance data
Operating pressure of water (using standard nozzle)
MPa (bar) 16 (160) 16 (160) 14 (140) 14 (140)
Max. excess operating pressure (safety valve) MPa (bar) 18,5 (185) 18,5 (185) 18,5 (185) 18,5 (185)
Water flow (can be regulated in a phase-less manner) l/h (l/min) 500-1000 (8,3-
16,6) 500-1000 (8,3-
16,6) 600-1200 (10-
20) 600-1200 (10-
20)
Suction of detergent (can be regulated in a phaseless
manner) l/h (l/min) 0-50 (0-0,8) 0-50 (0-0,8) 0-60 (0-1) 0-60 (0-1)
Water connection
Min. feed volume
l/h (l/min) 1100 (18,3) 1100 (18,3) 1300 (21,7) 1300 (21,7)
Feed pressure (min.) MPa (bar) 0,1 (1) 0,1 (1) 0,1 (1) 0,1 (1)
Max. feed pressure MPa (bar) 0,6 (6) 0,6 (6) 0,6 (6) 0,6 (6)
Electrical connection
Current type
-- 3N~ 3N~ 3N~ 3N~
Frequency Hz 50 50 50 50
Voltage V 380-420 380-420 380-420 380-420
Connected load kW 6,4 6,4 7,5 7,5
Electrical protection (slow) A 16 16 20 20
Type of protection -- IPX5 IPX5 IPX5 IPX5
Protective class -- I I I I
Maximum allowed net impedance Ohm (0,381+j
0,238) (0,381+j
0,238) -- --
Power supply mm 2 5 x 2,5 5 x 2,5 5 x 2,5 5 x 2,5
Temperature
Max. feed temperature
°C 30 30 30 30
Max. operating temperature of hot water °C 98 98 98 98
Max. temperature safety thermostat °C 110 110 110 110
Temperature increase during maximum water flow °C 60-65 60-65 60-65 60-65
Gross heating performance kW 75 75 95 95
Chimney draught kPa 0,01-0,04 0,01-0,04 0,01-0,04 0,01-0,04
Gas connection values
Natural gas E (G 20)
m 3 /h 7,2 -- 9,8 --
Natural gas LL (G 25) m 3 /h 8,2 -- 11,4 --
Rated connection pressure (natural gas) kPa 1,8-5 -- 1,8-5 --
Propane kg/h -- 5,7 -- 7,2
Rated connection pressure (Propane) kPa -- 5-6 -- 5-6
Environment data
Rated utilisation level
% 97 97 97 97
Standard emission factor NO
X
(natural gas G 25) mg/kWh < 40 -- < 40 --
Standard emission factor CO (natural gas G 25) mg/kWh < 40 -- < 40 --
Values for chimney dimensions
Suitability for excess pressure (min.)
kPa 0,05 0,05 0,05 0,05
Draught requirements kPa 0 0 0 0
Exhaust flow - full load kg/h 130 130 166 166
CO
2
(Natural gas) % 9,5 -- 9,5 --
CO
2
(Propane) % -- 12 -- 12
Exhaust temperature max./min. °C 190/150 190/150 170/130 170/130
Combustion air/ air supply Max. length: 10 n with two 90° arches (min. diameter 100 mm) From the in-
stallation room or fresh outside air - depending on the local regulations.
Condensate drain-out
Condensate drain-out (max.)
l/h 4 (via siphon
into the drain-
age system) 4 (via siphon
into the drain-
age system) 4 (via siphon
into the drain-
age system) 4 (via siphon
into the drain-
age system)
Connectiing piece DN 40 (HTR) 40 (HTR) 40 (HTR) 40 (HTR)
Minimum water column, siphon mm 300 300 300 300
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