Performance Data - Watts AERCO EXT Installation, Operation & Maintenance Manual

Modulex EXT Commercial Series
CHAPTER 3: Technical Features & Dimensions

3.5 Performance Data

Model MODULEX EXT 1500 2S
Min. heat input
Nominal heat input 1,530,000 Btu/hr
(low altitude) 448.4 kW
(*) Nominal heat input (high) 1,377,000 Btu/hr
(reduction for Altitude) kW403.6
1,382,202 Btu/hr
Nominal heat output (HT)
405.1 kW
Minimum heat output (HT)
Efficiency at full load (100%) 90.34%
Efficiency at min load
Nominal heat output in 1,433,610 Btu/hr
condensing mode 420.2 kW
Min. heat output in condensing
mode
Efficiency at nominal load in
93.70%
condensing mode
Efficiency at min load in
condensing mode
Combustion efficiency at nominal
89.82%
load
Combustion efficiency at min.
load
Stand-by losses
Flue gas temperature (Flue gas
temp - room temp)
Air excess l
11.57 Btu/hr
Condensate production max
25.51 kW
Boiler category
Minimum water flow rate in CH
circuit Δt 68 °F (20 °C)
Min. pressure in CH circuit
Max pressure in CH circuit
2.67 gal
Water content in primary circuit
10.10 L
Max operating temp
Min. operating temp.
Electrical supply
Electrical req: 120 V 15 AMP max. 1.4 FLA
Net weight 1,137 lbs (516 kg)
Gross weight 1,289 lbs (585 kg)
Max dynamic gas pressure A
(natural)
Nominal dynamic gas pressure A
(natural)
Min dynamic gas pressure A
(natural gas)
Max dynamic gas pressure E
(Propan)
Nominal dynamic gas pressure E
(Propan)
Min dynamic gas pressure E
(Propan)
(*) For adjustments, refer to section 3.30 and 3.31
NOTE: The Technical data plate is placed under the casing. See section 2.7 for more information.
OMM-0160_A • DRAFT
2300 2S
2,295,000 Btu/hr
672.7 kW
2,065,500 Btu/hr
605.4 kW
2,073,303 Btu/hr
607.7 kW
90.34%
2,150,415 Btu/hr
603.3 kW
93.70%
89.82%
23.15 Btu/hr
51.04 kW
4.83 gal
18.30 L
2.8 FLA
568 lbs (258 kg)
1,558 lbs (707 kg)
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
2600 2S
83,300 Btu/hr (24.4 kW)
2,677,000 Btu/hr 784.6 kW 3,060,000 Btu/hr
2,409,300 Btu/hr
706.2 kW
2,418,402 Btu/hr
708.8 kW
N.R.
90.34%
84.23%
2,508,349 Btu/hr
735.2 kW
81,801 Btu/hr
24.0 kW
93.70%
98.20%
89.82%
90.52%
0.1%
113°F (45°C)
24.29%
28.97 Btu/hr
63.87 kW
II and IV
3.89 gal/min
14.74 l/min
7.25 psi (50 kPa)
92 psi (630 kPa)
5.92 gal
22.40 L
176°F (80°C)
86°F (30°C)
120 - 60 V-Hz
3.5 FLA
634 lbs (288 kg)
1,776 lbs (806 kg)
10.5 in wc
(2.61 kPa)
7.0 in wc
(1.74 kPa)
3.5 in wc
(0.85 kPa)
13.0 in wc
(3.23 kPa)
11.0 in wc
( 2.74 kPa)
8.0 in wc
(1.99 kPa)
3000 2S
896.9 kW
2,754,000 Btu/hr
807.2 kW
2,764,404 Btu/hr
810.2 kW
90.34%
2,867,229 Btu/hr
804.4 kW
93.70%
89.82%
34.74 Btu/hr
76.59 kW
7.00 gal
26.50 L
4.2 FLA
756 lbs (343 kg)
1,891 lbs (858 kg)
Page 21 of 117