Weil-McLain EVERGREEN PRO EVG-299 User Manual

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Part number 550-100-211/0122

– 4 –



The Evergreen® Gas-red water boilers. . . . . . . . . . . . . 2

Please read before proceeding . . . . . . . . . . . . . . . . . . 5

Boiler location . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Prepare boiler location . . . . . . . . . . . . . . . . . . . . . . 8

Wall-mounting the boiler . . . . . . . . . . . . . . . . . . . . . 8

Boiler hydrostatic test. . . . . . . . . . . . . . . . . . . . . . 10

Gas conversions. . . . . . . . . . . . . . . . . . . . . . . . . 12

Gas piping — sizing gas lines . . . . . . . . . . . . . . . . . 18

Venting/air piping — general . . . . . . . . . . . . . . . . . . 19

Commonwealth of Massachusetts installations. . . . . . . . 22

Vent termination requirements . . . . . . . . . . . . . . . . . 23

Boiler room air openings . . . . . . . . . . . . . . . . . . . . 24

DIRECT VENT — Sidewall with separate pipes . . . . . . . . 25

DIRECT VENT — Sidewall with W-M vent/air plate . . . . . . 27

DIRECT VENT — Sidewall concentric . . . . . . . . . . . . . 29

DIRECT VENT — Vertical with separate pipes. . . . . . . . . 31

DIRECT VENT — Vertical concentric. . . . . . . . . . . . . . 33

Concentric termination, typical (sidewall or vertical) . . . . . 35

DIRECT VENT — Vertical vent / sidewall air . . . . . . . . . . 36

Vent and air piping and boiler connections . . . . . . . . . . 38

Install water piping . . . . . . . . . . . . . . . . . . . . . . . 39

Expansion tank . . . . . . . . . . . . . . . . . . . . . . . . . 42

Install condensate line . . . . . . . . . . . . . . . . . . . . . 49

Gas piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Field wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Wiring diagram — schematic . . . . . . . . . . . . . . . . . . 59

Wiring diagram — ladder . . . . . . . . . . . . . . . . . . . . 60

Zoning with the EVG Control . . . . . . . . . . . . . . . . . . 61

Evergreen Control operation . . . . . . . . . . . . . . . . . . 63

EXPRESS SETUP — Example A . . . . . . . . . . . . . . . . 68

EXPRESS SETUP — Example B . . . . . . . . . . . . . . . . 70

EXPRESS SETUP — Example C . . . . . . . . . . . . . . . . 72

Available control settings and system presets . . . . . . . . 74

CONTRACTOR menus . . . . . . . . . . . . . . . . . . . . . 75

BOILER SETTINGS menu, BASIC mode . . . . . . . . . . . . 76

PRIORITY 1, 2, 3 menus, BASIC mode . . . . . . . . . . . . . 77

ASSIGN INPUTS menu, BASIC mode . . . . . . . . . . . . . 78

DIAGNOSTIC menu . . . . . . . . . . . . . . . . . . . . . . . 80

MAINTENANCE, DATE AND TIME menus . . . . . . . . . . . 85

Startup — ll the system . . . . . . . . . . . . . . . . . . . . 86

Startup — nal checks . . . . . . . . . . . . . . . . . . . . . 88

Check-out/startup verication . . . . . . . . . . . . . . . . . 92

Annual startup and general maintenance . . . . . . . . . . . 93

Annual startup . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Manual Test Mode for Single and Multiple Boilers . . . . . .101

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .102

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Cleaning heat exchanger ue side . . . . . . . . . . . . . . . 111

Replacement parts . . . . . . . . . . . . . . . . . . . . . . . 116

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .128

Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Ratings — Multiple boilers . . . . . . . . . . . . . . . . . . .130

Installation and Service Certicate. . . . . . . . . . . . . . .131

Installation and Gas Boiler Data Collection Sheet . . . . . .132

DO NOT SERV I CE T H E BOI LER

WI THOUT A Eve rgre e n

MAINTENAN CE K I T AVAILABLE

e Evergreen

maintenance kit includes components that

may have to be replaced when accessing or disassembling

parts of the boiler. Failure to replace damaged components

and to use only the parts specically intended for the boiler

can result in severe personal injury, death or substantial

property damage. See Figure111,page117 for part number.

e following dened terms are used throughout this manual to bring attention to the presence of hazards of various risk levels

or to important information concerning the life of the product.

Indicates presence of hazards that will cause

severe personal injury, death or substantial

property damage.

Indicates presence of hazards that can cause

severe personal injury, death or substantial

property damage.

Indicates presence of hazards that will or can

cause minor personal injury or property damage.

Indicates special instructions on installation,

operation or maintenance that are important

but not related to personal injury or property

damage.



220 /29 9/3 00 /39 9 

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Weil-McLain EVERGREEN PRO EVG-299 Gas Boiler Evergreen High Efficiency Gas Boiler

User Manual - Page 4