ECR International Dunkirk DCBF-125 Installation, Operation And Maintenance Manual page 72

Important Safety Information ........................................................................................ 3
Labor Saving Piping Manifolds / Near Boiler Piping Connections.. .................................. 4
General Information - Hydronic Piping ........................................................................... 5
General Information - Wiring ......................................................................................... 7
Piping And Wiring Diagrams
Piping Legend ...................................................................................................................8
125F Zone Circulator Pumps ...........................................................................................9
125F W/ Indirect Zone Pumps & Dhw Tank W/Tank Sensor - Wiring Diagram ....................... 10
125F W/Indirect Zone Pumps & Dhw Tank W/ Tank Sensor ............................................... 10
125F W/ Indirect Zone Pumps & Dhw Tank W/Tank T-Stat - Wiring Diagram ....................... 11
125F W/ Indirect Zone Pumps & Dhw Tank W/Tank T-Stat - Wiring Diagram ....................... 11
125F W/ Zone Valves - Piping Diagram ........................................................................... 12
125F W/ Zone Valves, Dhw Tank & Tank Sensor - - Wiring Diagram .................................... 13
125F W/ Zone Valves, Dhw Tank & Tank Sensor .............................................................. 13
125F Indirect Zone Valves, Dhw Tank W/Tank T-Stat - Wiring Diagram ............................... 14
125F Indirect Zone Valves, Dhw Tank ,& Tank T-Stat ........................................................ 14
165F W/ Zone Circulator Pumps - Piping Diagram ............................................................ 15
165F Indirect Zone Pumps, Dhw Tank, Tank T-Stat - Wiring Diagram .................................. 16
165F Indirect Zone Pumps, Dhw Tank, Tank T-Stat ........................................................... 16
165F W/ Zone Valves - Piping Diagram ........................................................................... 17
165F Indirect Zone Valves, Dhw Tank, Tank T-Stat -Wiring Diagram ................................... 18
165F Indirect Zone Valves, Dhw Tank, Tank T-Stat -Wiring Diagram ................................... 18
150F / 205F
150F / 205F
150F / 205F
150F / 205F
150F / 205F
150F/ 205F
Low Mass - Piping and Wiring Diagram ........................................................................ 23
Optional Equipment ...................................................................................................... 25
Outdoor Air Sensor Data .......................................................................................25
Indirect Tank Sensor Data .....................................................................................25
Wiring Diagrams
125F-Heat Only Wiring Diagram.........................................................................................28
150F Floor Standing - Combi Wiring Diagram ..................................................................... 29
165F-Heat Only Wiring Diagram.........................................................................................30
205F Floor Standing - Combi Wiring Diagram ..................................................................... 31
Altitude Effects On Boiler Performance ......................................................................... 32
Application Table - Indirect Tank Sizing ....................................................................... 33
Low Water Cutoff Application ....................................................................................... 34
Error Code Table ........................................................................................................... 37
Troubleshooting Chart .................................................................................................. 38
Fault Solution Sections ................................................................................................. 40
TABLE OF CONTENTS
With Zone Circulator Pumps - Piping Diagram ................................................. 19
With Zone Pumps - Wiring Diagram ............................................................. 20
With Zone Pumps ..................................................................................... 20
With Zone Valves - Piping Diagram ............................................................... 21
With Zone Valves - Wiring Diagram .............................................................. 22
With Zone Valves ...................................................................................... 22
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PN 240012875 REV. A [01/31/2020]