Manuals
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Weil-McLain
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Household Appliance
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Water Heater
Weil-McLain
310, 80, 230, 105, 155
manual
Replacement parts
Models:
155
105
310
230
80
1
37
44
44
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Install
Check flame signal
Connecting gas supply piping
Dimension
Maintenance
Check control settings
Clean condensate trap
How to
Replacement parts
Page 37
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9
GAS
-
FIRED
WATER BOILER
— Boiler Manual
Replacement parts
(continued)
Jacket parts
Part number
550-101-233/0903
37
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Page 37
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Page 38
Contents
Gas-fired water boiler
HOW IT Works
GAS-FIRED Water BOILER, with PhD Technology
Hazard definitions
Contents
Please read before proceeding
When servicing boiler
Boiler operation
Boiler water
Prepare boiler location
Installations must comply with
Before locating the boiler, check
Provide clearances
Flooring and foundation
Residential garage installation
Provide air openings to room
Vent and air piping
Prevent combustion air contamination
When removing a boiler from existing common vent system
Seal any unused openings in the common venting system
Remove boiler from crate
Prepare boiler
Prepare for propane if operating on propane Ultra-80
Placing floor-mounted boilers
Prepare for propane if operating on propane Ultra-155 to
Placing wall-mounted boilers
Set boiler in place and check level
Prepare boiler for test
Perform hydrostatic pressure test
Fill and pressure test
Drain and remove fittings
Install relief valve
Install water piping
Additional controls, when required
General piping information
Circulators
System water piping methods
Sizing space heat system piping
Required boiler water flow rate, GPM, at 180F
Sizing DHW system piping
Connect boiler to system as shown in when
Zoning with zone valves
Controlling the system circulator
Zoning with circulators
Radiant heating applications
Setting boiler outlet water target temperature
Chilled water system plus optional
Chilled water systems
Venting, combustion air & condensate line
Install vent and combustion air piping
Prepare condensate fittings
Condensate drain Ultra-80
Connect condensate drain
Gas piping
Connecting gas supply piping
Wall-mounted boilers
Propane Gas
Natural Gas
Pipe sizing for natural gas
Natural gas supply pressure requirements
Startup
Freeze protection when used
Check/control water chemistry
Fill and test water system
Check thermostat circuits
Check for gas leaks Final checks before starting boiler
Inspect/fill condensate system
To start the boiler
Check system and boiler
Adjust and test boiler controls
Check flame & combustion
Check-out/startup verification
Check-out/startup verification Installation certificate
Service and maintenance schedules
Annual startup and general maintenance
Handling ceramic fiber materials
Annual startup
Check water system
Clean condensate trap
Check all piping for leaks Check expansion tank
Check air openings
Check all boiler wiring
Check ignition ground wiring
Check control settings
Check boiler relief valve
Check flue gas temperature
Check flame signal
Perform startup and checks
Check burner flame
General maintenance
Maintenance general
Cleaning boiler heat exchanger
Replace boiler jacket front door after startup or servicing
Access exchanger Ultra-155, -230, -310 Only
Maintenance and annual startup
Exchanger cleaning ALL models
Replacement parts
Jacket parts
Replacement parts
Heat exchanger and piping Ultra-80
Replacement parts
Heat exchanger and piping Ultra-155 to
Replacement parts
Controls
Dimensions
DOE
Ratings
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