Weil-McLain WGO manual Common Problems Common Causes

Page 7

 

 

 

 

 

 

 

COMMON PROBLEMS

COMMON CAUSES

POSSIBLE

CORRECTIONS

 

 

 

 

 

 

 

 

Rapid cycling - burner turns on and off

Thermostat installed where

Locate thermostat

on inner wall away

 

 

frequently.

drafts or heat affect reading.

from heat sources

or cool drafts.

 

 

 

 

 

 

 

 

Heat anticipator in

Adjust heat anticipator to match current

 

 

 

thermostat adjusted

draw. Refer to boiler wiring diagram.

 

 

 

incorrectly.

 

 

 

 

 

 

 

 

 

 

Incorrect limit setting.

Have qualified service technician

 

 

 

 

increase limit setting to decrease cycling.

 

 

 

 

Maximum setting 220 deg. F.

 

 

 

 

 

 

 

Need to frequently add makeup water.

Leaks in boiler or piping.

Have qualified service technician repair

 

 

 

 

leaks at once to avoid constant use of

 

 

 

 

makeup water.

 

 

 

 

 

 

 

Popping or percolating noise heard in boiler.

Mineral deposits in sections

Have qualified service technician de-lime

 

 

 

due to constant use of

boiler, repair leaks at once to avoid

 

 

 

makeup water, or incorrect

constant use of makeup water and check

 

 

 

pH.

pH (between 7.0 and 8.5).

 

 

 

 

 

 

 

Black water condition.

Oxygen corrosion due to

Have qualified service technician repair

 

 

 

leaks in piping.

leaks at once to avoid constant use of

 

 

 

 

makeup water and check pH (between

 

 

 

 

7.0 and 8.5).

 

 

 

 

 

 

 

Frequent release of water through relief

Expansion tank sized too

Have qualified service technician check

 

 

valve.

small or water-logged.

expansion tank operation.

 

 

 

 

 

 

 

Metal flakes found in flueway.

Contaminated combustion

Remove sources of hydrocarbons in or

 

 

 

air supply.

near boiler area. (Bleaches, cleaners,

 

 

 

 

chemicals, sprays, fabric softeners, paint

 

 

 

 

remover, etc.)

 

 

 

 

 

 

 

 

Condensation of

Have qualified service technician check

 

 

 

combustion gases.

boiler operation.

 

 

 

 

 

 

 

Some radiators or baseboard units do not

Air in system.

Bleed air from system through air vents

 

 

heat or are noisy.

 

in radiators or baseboard units.

 

 

 

 

 

 

 

 

Low system pressure.

Have qualified service technician check

 

 

 

 

for leaks in boiler or piping at once.

 

 

 

 

 

 

 

 

High limit set too low.

Have qualified service technican adjust

 

 

 

 

limit to higher setting.

 

 

 

 

 

 

 

Domestic water from tankless heater is hot

Mineral deposits insulate

Have qualified service technician delime

 

 

then suddenly turns cold.

internal waterways of

or replace coil.

 

 

OR

heater.

 

 

 

 

Domestic water from tankless heater is

 

 

 

 

 

Boiler stop-leak compound

Have qualified service technician remove

 

 

always lukewarm.

 

 

has been added to boiler

and clean coil AND drain and flush

 

 

 

 

 

 

water and is insulating

boiler to remove stop-leak.

 

 

 

outside of coil.

 

 

 

 

 

 

 

 

 

 

Incorrect mixing valve

Have quaified service technican adjust

 

 

 

setting for tankless heater.

mixing valve setting.

 

 

 

 

 

 

 

 

Domestic flow rate too high.

Have qualified service technician install

 

 

 

 

flow check valve set to rating of tankless

 

 

 

 

heater.

 

 

 

 

 

 

 

 

Incorrect setting on tankless

Have qualified service technician raise

 

 

 

heater control.

tankless control setting. Adjust

 

 

 

 

differential on tankless control to lower

 

 

 

 

setting.

 

 

 

 

 

 

 

The problems and corrections above represent common situations that can occur. There may be others not listed above. It is important always to contact a qualified service techni- cian if you have any questions about the operation of your boiler or system.

7

Image 7
Contents Part No -141-828/1202 WGO, Wtgo and SGO-WHazard Definitions Read This Page FirstTips for water systems ForYour SafetyRoutine Maintenance Schedule WGO/WTGO see Figure Start-upWater Relief Valve on back of boiler SGO-W see FigureCommon Problems Common Causes Annual Service Check List Cleaning boiler flueways Detailed Service ProceduresTo place in operation Fill the systemGeneral description of control operation Controls requiring annual servicePart No -141-828/1202

WGO specifications

The Weil-McLain WGO series is a line of oil-fired cast iron boilers designed to provide reliable performance and efficiency for residential and commercial heating. Known for their durability and longevity, the WGO boilers are a favorite among homeowners and contractors alike.

One of the main features of the WGO series is its rugged construction. These boilers are made from high-quality cast iron, which not only enhances the reliability of the unit but also contributes to efficient heat transfer. The cast iron design resists corrosion and provides excellent thermal mass, resulting in uniform heating and reduced fuel consumption.

The WGO boilers come with a standard efficiency of up to 87%, which makes them a cost-effective solution for heating needs. Equipped with a multiple-burner system, these boilers deliver consistent heat across various applications. The burners utilize advanced technology to optimize fuel combustion, contributing to lower emissions and higher efficiency.

In terms of features, the WGO series is designed for easy installation and maintenance. A front-access design allows for straightforward servicing, ensuring that routine checks and repairs can be conducted with minimal disruption. Moreover, Weil-McLain provides a robust warranty and a network of support to help homeowners and contractors maintain peak performance over the years.

Another characteristic of the WGO series is its adaptability. These boilers come in several sizes, making it easy to find the right fit for any space. From smaller homes to larger commercial settings, the WGO's flexibility makes it a versatile choice. Additionally, the series is compatible with a variety of heating systems, including hot water and steam systems.

Moreover, Weil-McLain integrates modern technologies into the WGO series, enhancing control and user comfort. The availability of advanced control systems allows for easier temperature adjustments and improved energy management. This integration leads not only to enhanced comfort but also to substantial savings on fuel costs over the life of the boiler.

In summary, the Weil-McLain WGO series stands out for its durable construction, efficient performance, and ease of maintenance. With advanced technology, excellent adaptability, and a commitment to reliability, the WGO boilers are a solid investment for anyone looking to enhance their heating systems. Regardless of the application, these boilers deliver the comfort and performance necessary to meet demanding heating needs.