9
PRODUCT DESCRIPTION
2.8
Technical Data
Unit
AR 3000
AR 4000
Boiler Category
ASME Sect.IV
Type of Gas
Natural Gas, Propane*
Max input rate
BTU/hr
3,000,000
4,000,000
(kW)
(879)
(1172)
Min input rate
BTU/hr
100,000
100,000
(kW)
(29)
(29)
Turndown
Rate
30:1
40:1
Gas Connections (NPT)
Ø Inch
2”
2”
Max. NG Pressure
Inch w.c.
20
20
(mbar)
(50)
(50)
Min. NG Pressure
Inch w.c.
4.0
4.0
(mbar)
(10)
(10)
Max. LPG Pressure
Inch w.c.
20
20
(mbar)
(50)
(50)
Min. LPG Pressure
Inch w.c.
8
8
(mbar)
(19.9)
(19.9)
O2 Working Range (Natural Gas)
%
4.4 – 5.8
4.4 – 5.8
Water Connections
Ø Inch
4 “
4”
Max. Allowable Working Pressure (MAWP)
PSI
80
80
(bar)
(5.5)
(5.5)
Relief drain connection
Ø Inch
2.5”
2.5”
(Ø mm)
(65mm)
(65mm)
Water Volume
Gallon
36
48
(liter)
(138)
(184)
Water flow at max power
(
Δ
T 36°F / 20°C)
GPM
170
227
(m3/h)
(39)
(52)
Water flow at max power
(
Δ
T 45°F / 25°C)
GPM
136
182
(m
3
/h)
(31)
(41)
Vent/Air Intake Connections
Ø Inch
[8 or 10]/10
[8 or 10]/10
(Ø mm)
(200 or 250/250)
(200 or 250/250)
Vent Materials
CPVC, PP, Stainless Steel AL29-4C
Max operating temperature
°F
194
194
(°C)
(90)
(90)
Max HE allowable temperature
°F
210
210
(°C)
(98.9)
(98.9)
Ambient storage temperature
°F
5 to 158
5 to 158
(°C)
(-15 to 70)
(-15 to 70)
Ambient functioning
temperature
°F
32 to 120
32 to 120
(°C)
(0 to 49)
(0 to 49)
Total boiler heat exchange surface area
SQFT
258
344
(m
2
)
(24)
(32)
Standard Listings & Approvals
ETL, ASME, AHRI
Electrical Req. 230V/3PH/60Hz
20.1 FLA**
30.2 FLA**
Weight (dry)
lbs
2315
2998
(kg)
(1050)
(1360)
Dimension W x H x D
Inch
35.4x83x72.8 ***
35.4x83x72.8 ***
(mm)
(900x2108x1850)
(900x2108x1850)
(*) For propane fuel applications, please contact factory
(**) FLA (Full Load Amperage) – maximum current drawn by the boiler if all pumps reach rated horsepower
(***) Boilers’ feet may be removed for reducing overall height of 2”.
Содержание Array AR 3000
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