Start Up Procedure; Central Heating System Connections - Combi - ECR International Dunkirk DCBF-75 Manual

9.1
Central Heating System Connections
DCBF-75,100 & 125 HEATING ONLY
WITH OPTIONAL INDIRECT DHW
CONNECTION
A B D
DCBF-75,100,125 HEATING ONLY
WITHOUT OPTIONAL INDIRECT DHW
CONNECTION
A B
LEGEND
Heating supply connection
A
Drain Connection for
B
condensate
Gas shutoff connection
C
Optional Indirect DHW
connection (may exit right
D
or left)
Heating return connection
E

9 - START UP PROCEDURE

- HEAT ONLY
C E
C E
75/100 / 125 165
11/4" sweat
11/2" sweat
[38.1 mm]
[31.75 mm]
3/4" NPT [22.2 mm]
3/4" NPT [22.2 mm]
3/4" sweat
NA
[22.2 mm]
11/4" sweat 11/2" sweat
[31.75 mm] [38.1 mm]

9.2 Central Heating System Connections - Combi

DCCF- 115, 150, & 205 COMBI (150 shown)
A B C
LEGEND
Heating supply
A
connection
DHW outlet
B
Drain connection for
C
condensate
Gas shutoff connection
D
Cold DHW inlet tap
E
Heating return
F
connection
DCBF-165 HEATING ONLY
WITHOUT INDIRECT DHW
CONNECTION
A B
48
D E
75/100/115/150
11/2 " sweat
11/4 " sweat [31.75
mm] [38.1 mm]
1/2" sweat [12.7 3/4" sweat
mm] [19.1 mm]
3/4" NPT [22.2 mm]
3/4" NPT [22.2 mm]
1/2" sweat 3/4" sweat
[12.7
mm] [22.2 mm]
11/4 " sweat 11/2 " sweat
[31.75
mm] [38.1 mm]
C E
240013509 REV A, [03/15/2022]
F
205