Install Instructions

Part number 550-100-191/0917
2
®
gas-fired water boiler — 70/110/155 Boiler Manual
Contents
The Evergreen
®
Gas-fi red water boilers. . . . . . . . . . . . 2
Please read before proceeding . . . . . . . . . . . . . . . . 7
Boiler location . . . . . . . . . . . . . . . . . . . . . . . . . 8
Prepare boiler location. . . . . . . . . . . . . . . . . . . . 10
Wall-mounting the boiler. . . . . . . . . . . . . . . . . . . 10
Boiler hydrostatic test . . . . . . . . . . . . . . . . . . . . 13
Converting boiler to propane — EVG 70. . . . . . . . . . . 15
Converting boiler to propane — EVG 110 . . . . . . . . . . 17
Converting boiler to propane — EVG 155 . . . . . . . . . . 19
Gas piping — sizing gas lines . . . . . . . . . . . . . . . . 21
Venting/air piping — general . . . . . . . . . . . . . . . . 22
Commonwealth of Massachusetts installations . . . . . . 25
Vent termination requirements . . . . . . . . . . . . . . . 26
Boiler room air openings. . . . . . . . . . . . . . . . . . . 27
DIRECT VENT — Sidewall with separate pipes . . . . . . . 28
DIRECT VENT — Sidewall concentric . . . . . . . . . . . . 30
DIRECT VENT — Sidewall with W-M vent/air plate . . . . . 32
DIRECT VENT — Vertical with separate pipes. . . . . . . . 34
DIRECT VENT — Vertical concentric. . . . . . . . . . . . . 36
Concentric termination, typical (sidewall or vertical). . . . 38
Vent and air piping and boiler connections . . . . . . . . . 39
Install water piping . . . . . . . . . . . . . . . . . . . . . 40
Direct Connect System Piping - Single Boiler System . . . 41
Verify the application will work. . . . . . . . . . . . . . . . . . 41
Expansion tank location. . . . . . . . . . . . . . . . . . . . . . 41
Diaphragm- or bladder-type tank. . . . . . . . . . . . . . . . . 41
Closed-type expansion tank . . . . . . . . . . . . . . . . . . . 42
System water piping methods . . . . . . . . . . . . . . . . . . 43
Install relief valve . . . . . . . . . . . . . . . . . . . . . . . . . 43
ZONE VALVE zoning – direct connection . . . . . . . . . . . . . 44
Primary/Secondary System Piping - Single Boiler System See
Advanced Manual for Multiple Boiler Systems . . . . . . . 45
Expansion tank location. . . . . . . . . . . . . . . . . . . . . . 45
Diaphragm- or bladder-type tank. . . . . . . . . . . . . . . . . 45
Closed-type expansion tank . . . . . . . . . . . . . . . . . . . 46
System water piping methods . . . . . . . . . . . . . . . . . . 47
Install relief valve . . . . . . . . . . . . . . . . . . . . . . . . . 48
ZONE VALVE zoning – primary/secondary . . . . . . . . . . . . . . . 49
CIRCULATOR zoning – primary/secondary . . . . . . . . . . . . . . 50
CIRCULATOR zoning – primary/secondary multi. temp. zone . . . . 51
Install condensate line . . . . . . . . . . . . . . . . . . . . . . . . 52
Gas piping . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Field wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Wiring diagram — schematic . . . . . . . . . . . . . . . . 62
Wiring diagram — ladder . . . . . . . . . . . . . . . . . . 63
Zoning with the EVG Control . . . . . . . . . . . . . . . . . 64
Evergreen control operation . . . . . . . . . . . . . . . . . 66
EVG control settings menus . . . . . . . . . . . . . . . . . 70
EXPRESS SETUP — Example A . . . . . . . . . . . . . . . 72
EXPRESS SETUP — Example B . . . . . . . . . . . . . . . 74
EXPRESS SETUP — Example C . . . . . . . . . . . . . . . 76
Available control settings and system presets . . . . . . . 78
CONTRACTOR menus. . . . . . . . . . . . . . . . . . . . . 79
BOILER SETTINGS menu, BASIC mode . . . . . . . . . . . . 80
PRIORITY 1, 2, 3 menus, BASIC mode . . . . . . . . . . . . 81
ASSIGN INPUTS menu, BASIC mode . . . . . . . . . . . . . 82
DIAGNOSTIC menu . . . . . . . . . . . . . . . . . . . . . . 84
MAINTENANCE, DATE AND TIME menus . . . . . . . . . . . 89
Startup — fi ll the system . . . . . . . . . . . . . . . . . . 91
Startup — fi nal checks . . . . . . . . . . . . . . . . . . . 93
Check-out/startup verifi cation. . . . . . . . . . . . . . . . 99
Annual startup and general maintenance . . . . . . . . . . 100
Annual startup . . . . . . . . . . . . . . . . . . . . . . . . 101
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 107
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 115
Cleaning heat exchanger fl ue side, 70. . . . . . . . . . . . 117
Cleaning heat exchanger fl ue side, 110 . . . . . . . . . . . 120
Cleaning heat exchanger fl ue side, 155 . . . . . . . . . . . 123
Replacement parts . . . . . . . . . . . . . . . . . . . . . . 126
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Ratings — Evergreen® boilers . . . . . . . . . . . . . . . 139
Installation and Service Certifi cate . . . . . . . . . . . . . 141
Evergreen® Gas Boiler Data Collection Sheet . . . . . . . 144
The following defi 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.
Hazard defi nitions
DO NOT SERVICE THE BOILER
WITHOUT AN Evergreen
®
MAINTENANCE KIT AVAILABLE
The 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 specifi cally intended for the boiler can result in
severe personal injury, death or substantial property damage.
See Figure 110, page 127 for part number.