Contents | Weil-McLain 80 specification

Weil-McLain 80 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners

Contents

Page

1.	Before installing boiler	3
2.	Set boiler in place	5
3.	Assemble block	6
4.	Perform hydrostatic pressure test	8
5.	Complete block assembly	9
6.	Install flue collector	10
7.	Connect water boiler piping	14
8.	Connect steam boiler piping	16
9.	Install jacket	20
10.	Pipe tankless heaters	27
11.	Install water boiler controls	28
12.	Install steam boiler controls	29
13.	Connect breeching and venting system	31
14.	Install burner	32
15.	Wiring and fuel piping	32
16.	Make final adjustments	32
17.	Dimensions and ratings	34
18.	Parts	36
	Handling ceramic fiber and fiberglass materials	38

Hazard Definitions

The following defined 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 if ignored.

Indicates presence of hazards that can cause severe personal injury, death or substantial property damage if ignored.

Indicates presence of hazards that will or can cause minor personal injury, death or substantial property damage if ignored.

Indicates special instructions on installation, operation or maintenance that are important but not related to personal injury.

Read all instructions before installing. Failure to follow all instructions in proper order can cause severe personal injury, death or substantial property damage.

Do not use petroleum-based cleaning or sealing components in boiler system. Severe damage to system components can result, causing substantial property damage.

2	Part No. 550-141-935/0602

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Weil-McLain 80 manual Contents

Contents

Boiler Manual Contents Before selecting boiler location Before installing boilerInstallation must comply with Lay a foundation, if needed Provide combustion and ventilation air openings Set boiler in place For block assemblyUsing crane attach free end of cables to eye of crane For packaged boiler Prepare back section Install back refractory blanketAssemble block Place a block under pipe to hold section upright Prepare remaining sections Install intermediate sectionsIf using tankless heater TI sections Perform hydrostatic pressure test Prepare boiler and test Install cleanout plates Complete block assemblyInstall burner mounting plate on front section Install collector hold-down bolts Install flue collectorFlue collector assembly Prepare flue collector hood assembly Install flue collector Rear flue boilers only Before installing flue collectorAfter installing flue collector, ALL Boilers Top flue boilers only Install flue collector General water piping information Install pipingConnect water boiler piping Piping for multiple boilers see Figure Size secondary boiler pump GPM based on following formulas Connect steam boiler piping General steam piping information Connect steam boiler piping Condensate piping to boiler Condensate receiver capacity Multiple Steam Boiler Piping Gravity Condensate Return Install support brackets and rails Install jacketBefore installing jacket Install jacket front and rear panels Install jacket Install jacket trim Install jacket side panelsInstall jacket top panels Jacket side panel placement Models 380, 480, 580 Jacket side panel placement Models 780, 880 Jacket side panel placement Models 1080, 1180, Jacket top panel placement Size piping no smaller than heater inlet and outlet Pipe tankless heatersTo pipe tankless heaters Install water boiler controls Install controls Install steam boiler controls Install controls where shown in and Figure Water level control locations see Table Select type of venting system Connect breeching and venting systemsGeneral venting information Construct metal breeching Make final adjustments Install burnerWiring and fuel piping Freeze protection when used Check boiler for gas-tight seal Dimensions and ratings Dimensions and ratings Parts Parts Handling ceramic fiber and fiberglass materials Eye Irrigate immediately Breathing Fresh air Propane boilers propane gas odorant All Residential & Commercial Cast Iron Boilers