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TABLE OF CONTENTS

USING THIS MANUAL ..................................................... 2

TABLE OF CONTENTS .......................................................3

PART 1. GENERAL INFORMATION ............................... 4

A. How It Operates ...........................................................................4

B. Glossary ...........................................................................................6

C. Dimensions .............................................................................. 7–8

D. Pre Installation Requirements .........................................8–9

E. Pressure Relief Valve ................................................................. 9

PART 2. ELECTRICAL ..................................................... 10

A. Electrical Connection/Requirements ...............................10

B. Internal Wiring Connection ...........................................10–11

PART 3. GAS CONNECTION ...........................................12

A. Gas Connection And Inspection ......................................... 12

B. Gas Piping .....................................................................................12

C. Gas Tables ..................................................................................... 13

D. Gas Valve Setup ................................................................. 13–14

E. Setting the Maximum Load .................................................15

F. Setting the Minimum Load...................................................16

G. Gas Conversion .......................................................................... 17

H. Gas Valve Maintenance/Replacement ........................... 17

PART 4. VENTING ........................................................... 18

A. Approved Venting Materials ................................................18

B. Venting the EVO ............................................................... 19–24

C. Inlet Air Vent ............................................................................... 25

D. Venting Runs that Exceed

Maximum Combined Length .............................................. 25

E. Heater Removal From An Existing

Common Vent System ..................................................25–26

F. Condensate Requirements .................................................. 26

PART 5. PIPING ................................................................27

A. Hydronic Heating Boiler Piping .........................................27

B. Boiler Schematic Drawings ................................................. 28

C. Fill & Purge Heating System .............................................. 29

D. Removing Air From the Heat Exchanger ...................... 29

E. Water Heating Piping ............................................................30

F. Water Heating Schematic Drawings .......................31–35

PART 6. STARTUP PROCEDURES .............................36

A. Items to Be Checked Before Lighting the EVO .......... 36

B. Lighting Instructions .......................................................36–37

C. Operating Instructions ............................................................37

D. Adjusting the Temperature on the EVO Display ........ 37

E. Sequence of Operation..........................................................38

PART 7. SERVICING ........................................................38

A. Servicing The EVO ................................................................... 38

B. Placing the EVO Into Normal Operation ....................... 38

C EVO Soft Lockout Codes ...................................................... 39

D. EVO Hard Lockout Codes ......................................................41

E. To Turn O Gas to the Appliance ...................................... 42

F. Pump & Wiring Control ......................................................... 42

G. To Turn O Gas to the Appliance ...................................... 42

H. Status Readings ........................................................................ 43

I. EVO Sensor Resistance Table ............................................ 43

PART 8. MAINTENANCE ...............................................44

A. Periodic Maintenance of Heater and Inspections

B. Annual Inspection ........................................................... 45–49

C. Condensate Trap Cleaning Instructions.........................50

D. Combustion Chamber Coil

Cleaning Instructions ..................................................... 51–52

E. EVO Controls .............................................................................. 53

F. Coil Anti-Scaling Prevention Feature .............................. 54

PART 9. SPECIAL INSTALLATION REQS ................... 55

A. Installation Requirements—Massachusetts ............... 55

B. Installation At High Altitudes .............................................. 56

PART 10. PARTS BREAKDOWN .......................... 5760

APPENDIX. ADDL ELECTRICAL DRAWINGS .......... 61

Main Power & Relay Assembly and

Cascade Wiring for EVO ............................................................... 61

Main Power & Relay Assembly ............................................... 62

Cascade Box with 3G Router ..................................................... 63

PART 11. WARRANTY INFORMATION ......................64

A. Warranty Contact Information ..........................................64

Brand	Hamilton Engineering
Model	EVO Plus Series
Category	Water Heater
Language	English

Hamilton Engineering EVO Plus Series User Manual

Table of Contents

Questions and Answers:

Hamilton Engineering EVO Plus Series Specifications

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