High Altitude Ratings; High Altitude Chart - ECR International Dunkirk DCBF-75 Manual

12.3 High Altitude Ratings

For elevations between 2000 ft (600 m) and 10,000 ft (3048 m), use the following information:
Model
Altitude
Number
DCBF-75
DCBF-100
DCCF-115
2,000-4,500 ft
DCBF-125
(600m-1350m)
DCCF-150
DCBF-165
DCCF-205
4,501-6,500 ft
DCBF-165
(1372 m -1981
DCCF-205
m)
6,501-10,000 ft
DCBF-165
(1982 m -3048
DCCF-205
m)
Max CH Supply temp 176° F (80° C) for DCBF-125 and DCCF-150
*
Max DHW temp 140° F (60° C)
*

12.4 High Altitude Chart

Parameter
P71
High Fire
Fan Speed
75 & 100
Parameter
P72
Low Fire
Fan Speed
12 - RATINGS AND CAPACITIES
Input, MBH (KW)
Maximum Minimum
69.5 16.5
88.8 16.5
88.8 16.5
113 22
113 22
147 26.5
147 26.5
135 24.1
135 24.1
113 20.3
113 20.3
GAS
Model
Setting
75
RPM
Setting
100
RPM
Setting
115
RPM
Setting
125
RPM
Setting
150
RPM
Setting
165
RPM
Setting
205
RPM
Setting
RPM
Setting
115
RPM
Setting
125
RPM
Setting
150
RPM
Setting
165
RPM
Setting
205
RPM
Heating
AFUE, %
Capacity,
MBH*
62.7 92.0
81.1 95.0
81.1 95.0
101 95.0
101 95.0
137 95.0
137 95.0
126 95.0
126 95.0
105 95.0
105 95.0
Natural
0-2,000 ft. 2,000- 10,000 ft
[0-610 m] [610-3,048 m]
75 52
4,600 4,500
85 75
5,350 5,250
220 190
7,200 6,900
115 60
6,150 5,600
220 170
7,200 6,700
105
6,050
225
7,250
50
1,250
55
1,300
40
1,150
40
1,150
43 60
1,180 1,350
40 60
1,150 1,350
CO Limit < 200 ppm
66
Domestic Hot Water (DHW) Circuit
Min
Max Input,
Input,
MBH
MBH
109.7 16.6
137 22
184.5 26.5
168 24.1
141 20.3
** DCCF-150 Max DHW Flow rate 3.5 gpm (13.2 l/min)
DCCF-205 Max DHW flow rate 5.0 gpm (18.9 L/min)
**
LP
Altitude
0-2,000 ft.
[0-610 m]
75
4,600
85
5,350
220
7,200
65
5,650
170
6,700
120
6,200
220
7,200
70
1,450
55
1,300
25
1,000
25
1,000
45
1,200
45
1,200
240013509 REV A, [03/15/2022]
**
Max
Min Output,
Output,
MBH
MBH
100.2 15.3
122 19
157 23
143 20
120 17
2,000- 10,000 ft
[610-3,048 m]
52
4,600
75
5,250
190
6,900
40
5,400
150
6,500
60
1,350
60
1,350