36
SHUTDOWN
36
APPENDIX
APPENDIX
APPENDIX D - TECHNICAL DATA
Unit AR 1000 AR 1500 AR 2000
Boiler Category ASME Sect.IV
Type of Gas Natural Gas, Propane
Max input rate
BTU/hr 1,000,000 1,500,000 2,000,000
(kW) (293) (440) (586)
Min input rate
BTU/hr 100,000 100,000 100,000
(kW) (29) (29) (29)
Turndown Rate 10:1 15:1 20:1
Gas Connections (NPT) Ø Inch 1.5” 1.5” 1.5”
Max. NG Pressure
Inch W.C. 20 20 20
(mbar) (50) (50) (50)
Min. NG Pressure
Inch W.C. 3.5 3.5 3.5
(mbar) (8.7) (8.7) (8.7)
Max. LPG Pressure
Inch W.C. 20 20 20
(mbar) (50) (50) (50)
Min. LPG Pressure
Inch W.C. 8 8 8
(mbar) (19.9) (19.9) (19.9)
CO2 Working Range (NG) % 8.5 – 9.5 8.5 – 9.5 8.5 – 9.5
Water Connections Ø Inch 3 “ 3 “ 4”
Max. Allowable Working Pressure
(MAWP)
PSI 80 80 80
(bar) (5.5) (5.5) (5.5)
Water Volume
Gallon 12 18 24
(liter) (46) (69) (92)
Water ow at max power
(ΔT 36°F / 20°C)
GPM 57 85 114
(m3/h) (13) (19) (26)
Water ow at max power
(ΔT 45°F / 25°C)
GPM 45 68 91
(m
3
/h) (10) (15) (21)
Vent/Air Intake Connections
Ø Inch 6 6 6
(Ø mm) (160) (160) (160)
Vent Materials CPVC, PP, Stainless Steel AL29-4C
Max operating temperature
°F 194 194 194
(°C) (90) (90) (90)
Max HE allowable temperature
°F 210 210 210
(°C) (98.9) (98.9) (98.9)
Ambient storage temperature
°F 5 to 158 5 to 158 5 to 158
(°C) (-15 to 70) (-15 to 70) (-15 to 70)
Ambient functioning
temperature
°F 32 to 120 32 to 120 32 to 120
(°C) (0 to 49) (0 to 49) (0 to 49)
Surface heat exchanger per module
SQFT 43 43 43
(m
2
) (4) (4) (4)
Standard Listings & Approvals ETL, ASME, AHRI
Electrical Req. 120V/1PH/60Hz 11.5 FLA* 17.2 FLA* 23 FLA*
Weight (dry)
lbs 992 1212 1543
(kg) (450) (550) (700)
Dimension WxHxD
Inch 33.3X67.2X60.8 33.3X67.2X60.8 33.3X83X60.8
(mm) (845X1707X1544) (845X1707X1544) 845X2108X1544)
(*) FLA (Full Load Amperage) – maximum current drawn by the boiler if all pumps reach rated horsepower
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