Dunkirk DCC-150 - Routine Servicing Checks

56
12 - RATINGS AND CAPACITIES
12 TECHNICAL DATA
12.1 Ratings and Capacity

Number

(1)






(2)

Maximum 
-125 125 22 113 98 95.0
-150 125 22 113 98 95.0
-165 164 29.5 153 133 95.0
-205 164 29.5 153 133 95.0
(1) 1000 Btu/hr (British Thermal Units Per Hour)
(2) Heating Capacity and AFUE (Annual Fuel Utilization Efciency) are based on DOE (Department of Energy) test
procedures.
(3) Net AHRI Ratings based on piping and pickup allowance of 1.15. Contact Technical Support before selecting boiler
for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive
piping systems, etc.
*Max CH Supply temp 176° F (80°C)
Natural gas (A)
17.4 mbar
7.0 in w.c.
LP gas (E)
27.4 mbar
11.0 in w.c.
0 - 2000 Ft
0 - 610 m
2000 - 4500 Ft
610 – 1370 m
0 - 2000 Ft
0 - 610 m
2000 - 4500 Ft
610 – 1370 m
Parameter P71 *
Fan Speed (rpm)
115
5,650
60
5,100
65
5,150
40
4,900
Parameter P72 *
Fan Speed (rpm)
40
1,150
25
1,000
CO Limit (ppm) <400
Natural gas (A)
17.4 mbar
7.0 in w.c.
LP gas (E)
29.8 mbar
12.0 in w.c.
0 - 2000 Ft
0 - 610 m
2000 - 4500 Ft
610 – 1370 m
0 - 2000 Ft
0 - 610 m
2000 - 4500 Ft
610 – 1370 m
Parameter P71 *
Fan Speed (rpm)
220
6,700
170
6,200
170
6,200
150
6,000
Parameter P72 *
Fan Speed (rpm)
40
1,150
25
1,000
CO Limit (ppm) <400
* To modify the fan speed see section 9.12.
Item DCC-150 DCC-205
Input Ratings (MBH)
Min 22 29.5
Max 153 205
Output Ratings (MBH)
Min 19 26
Max 136 180
Domestic Water Pressure 2.9 psi (0.2 bar) - 116 psi (8.0 bar)
Minimum Flow Rate 0.50 GPM
Maximum Flow Rate 3.50 gpm 5.00 GPM
Flow Rate 77°F (43°C) Temp. Rise 3.25 GPM 4.65 GPM
DHW Supply Connection Size 1/2"NPT 3/4"NPT
Cold Water Input Connection Size 1/2"NPT 3/4"NPT
12.2 Domestic Hot Water Specications
*Max DHW temp 140° F (60° C)
240011947 REV B, [03/31/2018]