Weil-McLain 550-141-396/0801 installation instructions LadderWiringDiagram

Page 6

PER Series 3 Electric-Hydronic Boilers Installation Instructions

Wiring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LadderWiringDiagram

L1L2(240VAC)NG

HEATING

ELEMENTS

F72K2

EQUIPMENT

GROUND

F8 3K2

 

F9 4K2

 

F10 5K2

 

F11 6K2

CIRCULATOR

(Note6)

 

THERMOSTAT

(Note1)

 

 

 

 

3KED11C

 

4KED22C

 

5KED33C

 

6KED44C

ELECTRONICTIME THERMALTIME

DELAYRELAYS DELAYRELAYS

LegendHIGHVOLTAGEFIELDWIRINGLOWVOLTAGEFIELDWIRING

HIGHVOLTAGEFACTORYWIRINGLOWVOLTAGEFACTORYWIRING

 

 

AUnitedDominionCompany

•500BlaineSt.•MichiganCity,IN46360-2388

PartNumber2½min.ON,15sec.OFF550-224-719/0801

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

Weil-McLain

F1 2K1

F2 3K1

F3 4K1

F4 5K1

F5 6K1

1K1

F6

24VAC 1K

BB HIGHLOW

LIMITLIMIT

RR

2K

H1

H2

H3

H4

Itemsnotprovided

PERSeries3

15KWthru25KW

240VAC/singlephase/60hz

THERMOSTAT OR END SWITCH (Note 1)

To FUSES

2K 2K1

2K2

LIMIT

LOW

3K1

3K2

3K

 

4K1

4K2

4K

 

5K1

5K2

5K

 

6K 6K1

HEATING

ELEMENTS

injuryor

servicing.

 

 

severe

powerbeforeinstallingor

6K2

CONTACTORS

—cancause

RELAYS

 

hazard

oftheNationalElectricalCodeandany

usealuminumconductors. withredwire.

 

 

 

 

 

 

 

 

BB

RR

 

 

 

 

 

 

 

 

ED1

 

1

 

 

 

ED2

1

 

 

ED3

1

 

 

ED4

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

3

 

 

 

3

 

 

 

3

 

 

 

 

 

 

HIGH

LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SchematicWiringDiagram

 

(Note5)To:30AMP

 

TRANSFORMER

 

AMP30

 

L130AMP

 

AMP30WIRE

6K1NUTS

AMP15

43

1K

21

CIRCULATORRELAY

To:TD130AMP

 

H1

AMP30

1C

AMP30

4K2 L230AMP TD25K2

H2

2C

TD3

H3

3C

GEQUIPMENT

GROUND

TD4

H4

4C

OR

2K1

AMP30

3K1

4K1

5K1

1K1

N

2K2

3K2

AMP30

6K2

Connectwireto

fusedlastterminal

 

 

RD

BK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMALTIME ELECTRONIC DELAYRELAYS TIMEDELAY

Electricalshock death.Disconnect

 

 

 

 

 

CIRCULATOR 6) (Note

1.Thermostatheatanticipatorsettingmustbe0.45amps.

2.Allwiringmustbeinstalledinaccordancewiththerequirements applicablenational,stateorlocalcoderequirements. 3.AllsafetycircuitwiringmustbeN.E.C.Class1. 4.Useonlycopperconductorsforpowerinputwiring.Donot 5.For208-voltpowersupply,removeorangewireandreplace 6.Maximumcirculatormotoris1/6hp.

Notes:

 

6

Part number 550-141-396/0801

Image 6
Contents Installer UserPlease read before proceeding Hazard DefinitionsPre-installation Wiring the boiler Piping the boilerControl system Call for heat satisfied Sequence of operationCall for heat Limit control operationWiring LadderWiringDiagramSymptom-Boiler does not shut down TroubleshootingSymptom-No heat Symptom-Low heatWater treatment Freeze protection when usedOperating instructions Filling the system with waterCheckout procedure Installation and service certificateMaintenance Handling fiberglass materials Dimensions Required wire sizes and weights RatingsPart number PartsDescription Weil-McLain Description Weil-McLain Number Part numberParts Description Weil-McLain Part numberLimited Warranty for cast iron sections

550-141-396/0801 specifications

The Weil-McLain 550-141-396/0801 is a high-performance boiler designed to meet the heating needs of commercial and residential applications. Renowned for its efficiency and durability, this model features advanced technology that ensures reliable operation while maximizing energy savings.

One of the standout characteristics of the Weil-McLain 550-141-396/0801 is its ability to provide maximum heating output with minimal fuel consumption. Equipped with a powerful burner and efficient heat exchanger, this boiler achieves impressive efficiency ratings, making it an economically sound choice for homeowners and businesses alike. The design also incorporates features that reduce emissions, contributing to a more environmentally friendly operation.

The construction of the boiler features robust materials that enhance its durability. The cast iron heat exchanger is built to withstand extreme conditions while maintaining excellent heat retention and distribution. This not only increases the lifespan of the boiler but also minimizes maintenance costs over time. The unit is designed to operate quietly, ensuring a comfortable environment for occupants.

Advancements in technology are evident in the Weil-McLain 550-141-396/0801's control system. It is equipped with a user-friendly digital control interface that simplifies adjustments and monitoring. Users can easily set temperature levels, track performance, and diagnose issues, which allows for timely maintenance and optimal performance. Additionally, compatibility with various thermostats provides flexibility for tailored heating solutions.

Safety is a critical component of the Weil-McLain 550-141-396/0801. It includes multiple safety features such as a spill switch, low-water cutoff, and a pressure relief valve. These mechanisms ensure safe operation and protect against common boiler-related hazards.

In summary, the Weil-McLain 550-141-396/0801 is an excellent choice for those seeking a reliable, efficient, and durable heating solution. With its advanced technology, robust construction, and emphasis on safety, this boiler not only meets but exceeds the expectations of modern heating needs. Whether for residential or commercial installation, the Weil-McLain 550-141-396/0801 stands out as a preferred option among boiler systems, delivering comfort and efficiency for years to come.