Absolute Boilers ABS 1500-2000-2500-3000-4000
16
3.2 Technical Data Sheet
Unit
Specifications
ABS 1500
ABS 2000
ABS 2500
ABS 3000
ABS 4000
General
Firing Sequence Operation
Full modulation
Minimum Fuel Input
MBH[kW]
150 [43.9]
200 [58.6]
250 [73.2]
300 [87.9]
400 [117.2]
Maximum Fuel Input
MBH[kW]
1,500 [439.6]
2,000 [586.1]
2,500 [732.6]
3,000 [879.2]
4,000 [1172.2]
Minimum Heat Output
MBH[kW]
140 [41.03]
187 [54.8]
234 [68.5]
281 [82.3]
374 [109.6]
Maximum Heat Output
MBH[kW]
1,403 [411.17]
1,870 [548.0]
2,338 [685.2]
2,805 [822.0]
3,740 [1096.0]
Efficiency
Combustion (Gross)
%
93.5%
Thermal Efficiency (Net)
%
93.2%
Standby Losses (Average)
%
<0.3%
Gas & Venting
Gas Type
Type
Natural Gas Only
Gas Inlet Connection Size
Inch
2 Inch NPT (Male)
Gas Inlet Pressure Range
In.w.c.
3.5” to 14” w.c.
Flue-Gas Vent Diameter
Inch
10” ID
Combustion Air Vent Diameter
Inch
10” ID
Maximum Flue Gas Temperature
°F[°C]
230 [110 ]
Condensate Drain Connection
Inch
1 1/4 NPT
Combustion Air Temperature
°F[°C]
-4 to 104 [-20 to 40]
Gas Vent Category
-
ANSI Z21.13/CSA 4.9 Gas Vent Category II or IV
Water
Heating Return
Inch
4 inch #150 ANSI Flange
Heating supply
Inch
4 inch #150 ANSI Flange
Maximum Water Temp. Safety Limit
°F[°C]
230[110]
Water Temperature Operating Range
°F[°C]
68-200 [20-96]
Water Pressure Range
psig
12-160
12-160
12-160
12-160
12-160
Boiler Water Content
US Gallons
[Litres]
12 [44]
15 [50]
16 [62]
18 [68]
26 [98]
Water flow @ 20
°
F
gpm
142
190
237
285
380
Water flow @ 40
°
F
gpm
71
95
119
142
190
Other
Installation Altitude
Ft. [m]
up to 4,500 [1,370m]
Dry Boiler Weight
lb[kg]
1150 [521.63]
1350 [612.34]
1500 [680.38]
1600 [725.74]
1900 [861.82]
Floor Area ( less service area )
Ft2
[m
2
]
14.5 [1.34]
14.5 [1.34]
19.2 [1.15]
19.2 [1.15]
22 [2.04]
