ECR International CHB Application Manual page 2

Important Safety Information .....................................................................................................3
CHB - Hydronic Piping - Quick Reference Chart -CHB Boiler .........................................................4
Single Boiler Primary/Secondary Series Loop Zoned Sys. W/ ZONE VALVES & Optional Indirect Tank (Fig. 1)...............5
Single Boiler Primary/Secondary Series Loop Zoned W/ ZONE PUMPS & Optional Indirect Tank (Fig. 2)................6
Single Boiler Primary/Secondary Series Loop PUMPING and Optional Indirect Tank (Fig. 3) .................................7
CHB - Wiring Diagrams ................................................................................................................8
Boiler with Optional Supply System Pump Single Zone - No Indirect Tank (Fig. 4) .............................................9
Boiler with Single Zone DHW Indirect Tank and Sensor (Fig. 5) .......................................................................9
Isolation Relay - Pump Circuit Using System Pump Connections (Fig. 6) ......................................................... 10
Boiler Zoned System with Multiple ZONE VALVES WITHOUT Indirect Tank (Fig. 7) ........................................... 12
Boiler Zoned System with Multiple ZONE VALVES WITH Indirect Tank (Fig. 8) ................................................. 13
Boiler WITH MULTIPLE ZONE PUMPS WITHOUT Indirect Tank (DHW) (Fig. 9) ................................................ 14
Boiler WITH MULTIPLE ZONE PUMPS WITH Indirect Tank (DHW) (Fig. 10) ..................................................... 16
Boiler WITH Secondary Zone Pumps and DHW Thermostat, with DHW Resistor Kit (Fig. 11) ............................. 17
CCB - Hydronic Piping
BURN AND SCALD HAZARD! WARNING Manufacturer Requires Installation Of Field Supplied Anti-Scald Valve....19
Single Boiler Primary/Secondary Series Loop Zoned System WITH ZONE VALVES (Fig. 12) ............................... 20
Single Boiler Primary/Secondary Series Loop Zoned WITH ZONE PUMPS (Fig. 13) ........................................... 21
Single Boiler Primary/Secondary Series Loop PUMPING (Fig. 14) ................................................................... 22
CCB - Wiring Diagrams ..............................................................................................................23
Boiler with Optional Supply System Pump (Fig. 15) ............................................................................... ......23
Boiler with Multiple Zone Valves (Fig. 16) .................................................................................................. 24
Boiler with Multiple Zone Pumps WITHOUT DHW Interface (Fig. 17) .............................................................. 26
Boiler with Multiple Zone Pumps with DHW Interface (Fig. 18) ...................................................................... 27
Applications Tables For : CHB - With Indirect Hot Water Tank ...................................................28
Optional Equipment ...................................................................................................................30
Venting Options .....................................................................................................................................30
Outdoor Air Sensor & NTC Sensor Data ..................................................................................................... 31
Manufacturer Recommended Strainer........................................................................................................ 32
Low Water Cutoff.................................................................................................................... 33
Addendum - Instructions...........................................................................................................37
Domestic Hot Water Sensor Kit Instruction (240010745)...............................................................38-41
Instructions And Wiring Diagram For Adding External Pump (615000137).....................................42-43
Sealed Combustion Kit Instructions (37711601) - For Kit #5612601...................................................44
Control Board Replacement Kit Instructions (615000134)..............................................................45-46
Retaining Clip Removal Caution (615000136).................................................................................47-48
Altitude Affects on CHB-100, CHB-130, CHB-150 and CCB-150.............................................................49
LP Conversion Kit Instructions........................................................................................................50-52
DHW Resistor Harness and Relay Kit (550003082)..........................................................................53-56
TABLE OF CONTENTS
- Quick Reference Chart
.............................................................................18
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PN 240011074 REV C, [11/01/2017]