Weil-McLain Eco Tec 80 - Table of Contents

Part number 550-100-270/0122
2
ECO
®
Tec series 2 gas-fired water boiler – boiler manual
Contents
The ECO Tec Gas-red water boilers . . . . . . . . . . . . . .3
Please read before proceeding
. . . . . . . . . . . . . . . . . .
6
Boiler location . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Prepare boiler location . . . . . . . . . . . . . . . . . . . . . . 9
Wall-mounting the boiler . . . . . . . . . . . . . . . . . . . . 10
Boiler hydrostatic test
. . . . . . . . . . . . . . . . . . . . . . 12
Gas conversions
. . . . . . . . . . . . . . . . . . . . . . . . . 14
Gas piping — sizing gas lines
. . . . . . . . . . . . . . . . . 19
V
enting/air piping — general . . . . . . . . . . . . . . . . . . 20
Commonwealth of Massachusetts installations
. . . . . . . . 24
V
ent termination requirements . . . . . . . . . . . . . . . . . 25
Boiler room air openings . . . . . . . . . . . . . . . . . . . . 26
Vent and air piping and boiler connections . . . . . . . . . . 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 — V
ertical with separate pipes
. . . . . . . . . 34
DIRECT VENT — V
ertical concentric
. . . . . . . . . . . . . . 36
DIRECT VENT — V
ertical vent /sidewall air . . . . . . . . . . 38
DIRECT Exhaust - Kit Option . . . . . . . . . . . . . . . . . . 40
Concentric termination, typical (sidewall or vertical)
. . . . . 41
Install boiler water piping
. . . . . . . . . . . . . . . . . . . . 42
Direct Connect System Piping - Single Boiler System
80/110/150
Boilers only . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Verify the application will work: . . . . . . . . . . . . . . . . . . . 47
Expansion tank location . . . . . . . . . . . . . . . . . . . . . . . 47
Diaphragm- or bladder-type tank:
. . . . . . . . . . . . . . . . . . 47
Closed-type expansion tank:
. . . . . . . . . . . . . . . . . . . . 48
Install relief valve
. . . . . . . . . . . . . . . . . . . . . . . . . . . 49
ZONE VALVE zoning – direct connection
. . . . . . . . . . . . . . 50
Primary/Secondary System Piping - Single Boiler System. . 51
Expansion tank location . . . . . . . . . . . . . . . . . . . . . . . 51
Diaphragm- or bladder-type tank:
. . . . . . . . . . . . . . . . . . 51
Closed-type expansion tank
. . . . . . . . . . . . . . . . . . . . . 51
Install relief valve
. . . . . . . . . . . . . . . . . . . . . . . . . . . 52
System water piping methods
. . . . . . . . . . . . . . . . . . . . 53
ZONE V
ALVE zoning – primary/secondary . . . . . . . . . . . . . . . .54
Circulator zoning – primary/secondary
. . . . . . . . . . . . . . . . . .
55
Circulator zoning – Multiple temperature zones with primary/secondary . . .
56
Install condensate drain line & trap assembly . . . . . . . . 57
Gas piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Wiring diagram — schematic . . . . . . . . . . . . . . . . . . 68
Wiring diagram — ladder . . . . . . . . . . . . . . . . . . . . 70
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.

Zoning with the ECO Tec Control . . . . . . . . . . . . . . . 72
ECO Tec control operation . . . . . . . . . . . . . . . . . . . 74
Control settings menus
. . . . . . . . . . . . . . . . . . . . . 78
EXPRESS SETUP — Example A . . . . . . . . . . . . . . . . 79
EXPRESS SETUP — Example B
. . . . . . . . . . . . . . . . 89
EXPRESS SETUP
— Example C
. . . . . . . . . . . . . . . . 98
EXPRESS SETUP
— Example D
. . . . . . . . . . . . . . . .100
HOMEOWNER NA
VIGATION menus . . . . . . . . . . . . . .
102
BLUET
OOTH
. . . . . . . . . . . . . . . . . . . . . . . . . . .103
CONTRACT
OR menus
. . . . . . . . . . . . . . . . . . . . .104
BOILER SETTINGS menus . . . . . . . . . . . . . . . . . .
.
105
System Settings . . . . . . . . . . . . . . . . . . . . . . . .
.
106
Boiler Priority menus . . . . . . . . . . . . . . . . . . . . .
.
107
A
vailable control settings and system presets . . . . . . . .
11
2
Congure Inputs and Outputs
. . . . . . . . . . . . . . . . .11
4
AUX Pump/Output
. . . . . . . . . . . . . . . . . . . . . . . .11
5
DIAGNOSTIC menu . . . . . . . . . . . . . . . . . . . . . . .
11
6
SERVICE menus
. . . . . . . . . . . . . . . . . . . . . . . . .11
8
Startup — ll the system . . . . . . . . . . . . . . . . . . . .119
Startup — nal checks . . . . . . . . . . . . . . . . . . . . .121
Check-out/startup verication . . . . . . . . . . . . . . . . .126
Annual startup and general maintenance . . . . . . . . . . .
127
Annual startup . . . . . . . . . . . . . . . . . . . . . . . . . .128
T
roubleshooting
. . . . . . . . . . . . . . . . . . . . . . . . .136
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . .
.
148
Cleaning heat exchanger ue side . . . . . . . . . . . . . . .149
Cleaning DHW and Brazed Plate Heat Exchanger. . . . . . .153
Cleaning/maintenance for Domestic Water Inlet & Outlet Manifolds . . 156
Replacement parts . . . . . . . . . . . . . . . . . . . . . . .158
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Ratings – ECO Tec Boilers . . . . . . . . . . . . . . . . . . .
171
Ratings — FCC Statement of compliance . . . . . . . . . .
.
173
Installation and Service Certicate
. . . . . . . . . . . . . . .173
Installation and Gas Boiler Data Collection Sheet
. . . . . .174
DO NOT SERVICE THE BOILER
WITHOUT AN ECO Tec
MAINTENANCE KIT AVAILABLE
e 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145,page159 for part number.