Riello Array AR 399 SE User Manual

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PRODUCT DESCRIPTION
2.10 Technical specications
Unit AR 399 SE AR 500 SE
Boiler Category ASME Sect.IV
Type of Gas Natural Gas, Propane*
Max input rate
BTU/hr 399,220 500,000
(kW) (117) (146.5)
Min input rate
BTU/hr 39,922 50,000
(kW) (11.7) (14.6)
Turndown Rate 10:1 10:1
Gas Connection (NPT) Ø Inch 1” 1”
Max. NG Pressure
Inch w.c. 13.5 13.5
(mbar) (33.6) (33.6)
Min. NG Pressure
Inch w.c. 3.5 3.5
(mbar) (8.7) (8.7)
Max. LPG Pressure
Inch w.c. 13.5 13.5
(mbar) (33.6) (33.6)
Min. LPG Pressure
Inch w.c. 8 8
(mbar) (19.9) (19.9)
O
2 Operating Range (Natural Gas) % 4.4 - 5.8 4.4 - 5.8
CO
2 Operating Range (Natural Gas) % 8.5 - 9.5 8.5 - 9.5
Water Connections Ø Inch 1" 1/2 2''
Condensate drain connection inch (mm) 1'' (25) 1'' (25)
Max. Allowable Working Pressure (MAWP)
PSI 80 80
(bar) (5.5) (5.5)
Relief Drain Connection (NPT)
Ø Inch 3/4'' 3/4''
(Ø mbar) (75) (75)
Water Volume
Gallon 4.5 6.0
(liter) (17) (23)
Water ow at max power (ΔT 36°F / 20°C)
GPM 19.9 24.9
(m3/h) 4.5 5.6
Water ow at max power (ΔT 45°F / 25°C)
GPM 15.9 19.9
(m3/h) 3.6 4.5
Vent/Air Intake Connections
Ø Inch 4" 4"
(Ø mm) 110 110
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)
Surface heat exchanger per module
SQFT 27 43
(m2) (2.5) (4)
Standard Listings & Approvals ETL, ASME, AHRI, CSD-1, SCAQMD
Electrical Req. 120V/1Ph/60Hz / 6.0 FLA** 120V/1Ph/60Hz /7.5 FLA**
Weight (dry)
lbs 240 269
(kg) (109) (122)
Dimension W x H x D
Inch 24.8x22.2x62.6 24.8x22.2x62.6
(mm) (630x1595x595) (630x1595x595)
(*) For propane fuel applications, please contact factory.
(**) FLA (Full Load Amperage) – maximum current drawn by the boiler if all pumps reach rated horsepower
(***) Mounting feet may be removed during installation to reduce the overall height by 2”. Feet must be re-installed once boiler is in
its nal installation location.

Riello Array AR 399 SE Specifications

General

Brand	Riello
Model	Array AR 399 SE
Category	Water Heater
Language	English