Ratings And Capacities; Ratings And Capacity; Domestic Hot Water Specifications - Dunkirk DCBF-100 Manual

12 TECHNICAL DATA

12.1 Ratings and Capacity

Model
Number
DCBF-100
DCCF-115
DCBF-125
DCCF-150
DCBF-165
DCCF-205
(1) 1000 Btu/hr (British Thermal Units Per Hour)
(2) Heating Capacity and AFUE (Annual Fuel Utilization Efficiency) 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)

12.2 Domestic Hot Water Specifications

Item
Input Ratings (MBH)
Output Ratings
(MBH)
Domestic Water Pressure
Minimum Flow Rate
Maximum Flow Rate
Flow Rate 77°F (43°C) Temp. Rise
DHW Supply Connection Size
Cold Water Input Connection Size
*Max DHW temp 140° F (60° C)
**1/2" Copper stub adapters included with boiler

12 - RATINGS AND CAPACITIES

(1)
CH Input, MBH
Maximum Minimum
93.5 16.6
93.5 16.6
125 22
125 22
164 29.5
164 29.5
Min
Max
Min
Max
Copper Sweat**
Copper Sweat**
(1)(2) (1)(3)
CH Net AHRI
Heating Rating Water,
Capacity, MBH * MBH
85.4
85.4
113
113
153
153
DCCF-115 DCCF-150
16.6 22
115.5 153
15.3 19
105.5 136
2.9 psi (0.2 bar) - 116 psi (8.0 bar)
0.55 GPM
2.64 gpm 3.50 gpm
2.35 gpm 3.25 gpm
1/2"BSPT at 1/2" NPT
boiler or 1/2"
1/2" BSPT at 1/2" NPT
boiler or 1/2"
62
(2)
AFUE%
74 95.0
74 95.0
98 95.0
98 95.0
133 95.0
133 95.0
DCCF-205
29.5
205
26
180
0.50 GPM
5.00 gpm
4.65 gpm
3/4" NPT
3/4" NPT
240013375 REV A, [07/01/2021]