Start Up Procedure; Central Heating System Connections - Heat Only; Central Heating System Connections - Combi - ECR International Dunkirk DCBF-125 Installation, Operation And Maintenance Manual

9.1 Central Heating System Connections - Heat Only

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

9 - START UP PROCEDURE

C E
D
A A
A
C
A
E
A
125
11/4" sweat 11/2" sweat
3/4" NPT
3/4" NPT
NA
3/4" sweat
11/4" sweat 11/2" sweat

9.2 Central Heating System Connections - Combi

DCCF-150/205 COMBI (150 shown)
A B C
A A A
LEGEND
A Heating supply connection
B DHW outlet
C Drain connection for condensate
D Gas shutoff connection
E Cold DHW inlet tap
F
Heating return connection
DCBF-165 HEATING ONLY
WITHOUT INDIRECT DHW
165
B
A
A
A
39
D
A
150
11/4 " sweat
1/2" sweat
1/2" sweat
11/4 " sweat
CONNECTION
C
A
240012879 REV A, [01/31/2020]
F
E
A
A
205
11/2 " sweat
3/4" sweat
3/4" NPT
3/4" NPT
3/4" sweat
11/2 " sweat
E
A