Weil-McLain 550-110-260/02002 manual Control module connections

Page 44

GOLD CGs Gas-Fired Water Boiler

11c Troubleshooting — control module continued

Figure 25 Control module connections

 

Black

 

 

Black

 

 

120 VAC H

 

120 VAC H

 

 

 

 

 

Entrance

Green

High voltage to

 

 

ground

 

 

White

 

 

 

 

pilot spark electrode

SJO cable

Chassis

Green

120 VAC N

 

to J-box

ground

 

 

 

 

 

 

 

120 VAC to

 

 

White

 

transformer

 

120 VAC N

 

 

Red wire to

 

 

 

 

 

gas valve MV

 

Black wires to

120 VAC IN

 

 

 

 

 

 

 

thermostat circuit

 

 

 

Blue wire to

 

White wire to

 

 

 

gas valve PV

 

gas valve MV/PV

 

Red

Brown

 

 

 

 

Red wires to

Yellow wires to limit control 24 VAC

pressure switch

and rollout switch

24 VAC control

circuits

24 VAC from transformer

Indicator lights

FLAME

 

Ground

 

 

PRESS SWITCH

120 VAC H

Green

LIMIT

 

Black

120 VAC N

TSTAT CIRC

 

White

POWER

 

 

 

 

120 VAC to

 

 

inducer motor

 

High voltage to spark electrode

 

 

120 VAC to transformer

 

 

120 VAC IN

Yellow

 

120 VAC H

 

 

 

 

White

 

24 VAC control circuits

120 VAC N

 

 

 

24 VAC from transformer

120 VAC to circulator

 

 

 

120 VAC to inducer motor

 

 

120 VAC to circulator

 

26037

Sense wire to flame sensor

Flame sense wire to pilot

 

44

Part number 550-110-260/0200

Page 43 Page 45
Image 44
Page 43 Page 45
Contents Page How it works ① Control modulePage Contents User InstallerPlease read before proceeding 1a Prepare boiler location codes & checklist Flooring and foundation Residential garage installation1b Prepare boiler location clearances 1c Prepare boiler location vent system Removing from existing vent1d Prepare boiler location contamination Air contamination1e Prepare boiler location air openings CGs combustion air optionsSizing air openings for CGs installations 2a Prepare boiler placement & setup Orifice replacement procedurePlace boiler/crate near position Inspect orifices and burners2b Prepare boiler pressure test Perform hydrostatic pressure testPrepare boiler for test Fill and pressure test3a Water piping general information 3b Water piping single-zone system Expansion tankDiaphragm-type or bladder-type expansion tank Figure Closed-type expansion tank Figure3c Water piping multiple zones Converted gravity or steam systemsTypical piping multiple-zone installations Temperature gauges Valve adjustment 3d Water piping low temp systemsPrimary/secondary preferred bypass piping For radiant heating or converted gravity systems3e Water piping low temp systems Boiler-bypass alternate piping 3f Water piping low temp systems Prevent chilled water from entering boiler 3f system-bypass alternate piping3g Water piping refrigeration system Gas piping Connecting gas supply piping to boilerVenting and combustion air Natural Gas LengthField wiring Wiring connectionsThermostat Junction Box furnishedFreeze protection when used 7a Start-up preparationDetermine if water treatment is needed Check for gas leaks7a Start-up preparation 7b Start-up operate boilerCheck for 7c Start-up if boiler doesn’t startCheck burner flames Check-out procedure checklist Installation and service certificate9a Operation sequence Raise room thermostat to call for heat9b Operation wiring diagrams Schematic wiring diagramService For Your Safety Read Before Operating 9c Operation lighting instructions10a Service and maintenance schedule Service technician10b Service & maintenance annual start-up Burners, base and inlet air box Boiler heating surfacesCondensate drain system Inducer motor10b Service & maint. annual start-up Boiler relief valve Lever must be operated AT LeastReview with owner 11a Troubleshooting procedure Before troubleshooting11b Troubleshooting air pressure switch Check pressure switch setting11c Troubleshooting control module Control indicator lights lockout modesControl module connections 11d Troubleshooting control module lights Chart 1 Troubleshooting Power light statusChart 2 Tstat Circ & Power lights flashing Chart 3 Press Switch & Power lights flashing Chart 4 Flame & Power lights flashing Turn OFF Power to boiler at service switch or breaker Does blower motor operate? Verify Sequence of operation, , 12a Replacement parts Page Page Page Page Page 13a Dimensions Dimensional drawing13b Ratings DOEHandling ceramic fiber and fiberglass materials Removal of Combustion Chamber Lining or Base Panels

550-110-260/02002 specifications

Weil-McLain is a well-known manufacturer of high-quality heating systems and boiler solutions, and the 550-110-260/02002 model is a testament to the company's commitment to innovation and performance. This particular boiler is designed for commercial and residential applications, providing exceptional heating efficiency and reliability.

One of the standout features of the Weil-McLain 550-110-260/02002 is its robust construction. Built using durable materials, this boiler is engineered to withstand demanding environments while maintaining optimal performance. The unit boasts a high thermal efficiency rating, which translates to lower energy costs and reduced environmental impact. The advanced design ensures that fuel consumption is minimized while delivering consistent heat output.

The Weil-McLain 550-110-260/02002 utilizes a multi-stage burner that enhances combustion efficiency. This feature not only reduces emissions but also improves overall energy use, making it an environmentally friendly choice. The sophisticated control system allows for precise modulation of the burner, ensuring that the boiler operates at peak efficiency under various load conditions.

The boiler is equipped with a user-friendly digital control interface, providing operators with real-time monitoring and diagnostics. This allows for easy adjustments and troubleshooting, which helps to reduce maintenance downtime. The integrated safety features enhance the operational reliability of the unit, ensuring safe operation in any environment.

Another important characteristic of the Weil-McLain 550-110-260/02002 is its adaptability. It can be configured to work with various types of fuel including natural gas and propane, giving users the flexibility to choose the most cost-effective energy source. This versatility also helps to extend the lifespan of the boiler as it can be easily adapted to changing energy needs.

In conclusion, the Weil-McLain 550-110-260/02002 is a high-performance boiler that combines durability, efficiency, and advanced technology. With its robust construction, efficient burner system, and user-friendly controls, it stands out as a reliable heating solution for both commercial and residential applications. The commitment to quality and innovation makes this model a preferred choice for those seeking dependable heating systems. Whether for new installations or replacements, the Weil-McLain 550-110-260/02002 delivers exceptional performance and value.
Top Page Image Contents