Crown Boiler TWZ125, TWZ200, TWZ090 Table of Contents, Product Description, II Specifications

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Table of Contents

I. Product Description

1

VIII. Tankless Heater Piping

15

II. Specifications

1

IX. Fuel Line Piping

16

III. Before Installing

2

X. Wiring

19

IV. Locating the Boiler

3

XI. Start-up and Checkout

21

V. Air for Combustion & Ventilation

5

XII. Service & Maintenance

24

VI. Venting

9

XIII. Parts

27

VII. System Piping Connections

11

 

 

I Product Description

The TWZ series boiler is a cast iron oil-fired water boiler designed for use in closed forced circulation heating systems. This boiler must be vented by natural draft into a lined masonry or metal chimney, or Type L vent. An adequate supply of air for combustion, ventilation and dilution of flue gases must be available in the boiler room. An optional tankless heater is available to generate domestic hot water.

II Specifications

SUPPLY

PIPE

LOCATION

FIGURE 1: GENERAL CONFIGURATION *

 

*Notes: 1. Tankless Coil Opening Not Present On Less-Coil Boilers.

2. Circulator Supplied Loose - May Be Installed On Supply Or Return.

21

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Contents TWZ Series Product Description Table of ContentsII Specifications III Before Installing General SpecificationsIV Locating the Boiler Frontview Side View Air for Combustion and Ventilation For Buildings of Other than Unusually Tight ConstructionBoiler Installed in Confined Space ALL AIR from Inside For Buildings of Unusually Tight ConstructionALL AIR from Outdoors Ventilated Crawl Space and Attic ALL AIR from OUTDOORS, Using VI Venting 109Minimum Recommended Breeching Chimneysize 1110VII System Piping StandardPiping1312 Piping for Special Situations 1413Isolation of Boiler from System Viii Tankless Heater Piping 1615IX Fuel Line Piping 17161817 ONE-PIPE Lift System1918 TWO-PIPE Gravity Feed SystemWiring Variations WiringSingle Zone Wiring 2019Wiring DIAGRAM, Single Heating Zone only XI Start-up and Checkout 22212223 2423 Boiler ModelXII Service and Maintenance 25242625 Avoid Breathing Fiber Particulates and Dust 27262827 KEY # Description QTY. or Quantity PER Boiler or Crown P.NPage 3029 Quantity PER Boiler or Crown P.N3130 PN980270 Rev609/10

TWZ150, TWZ125, TWZ065, TWZ075, TWZ100 specifications

Crown Boiler, known for its solid and reliable heating solutions, has designed the TWZ series to provide effective heating for both residential and commercial applications. The models in this series—TWZ090, TWZ120, TWZ175, TWZ200, and TWZ100—offer varying capacities and features tailored to meet diverse heating needs.

One of the key features of the TWZ series is its efficiency. These boilers are designed with a cast-iron heat exchanger that maximizes thermal efficiency, allowing for optimal heat transfer. This not only helps in reducing energy consumption but also ensures that the home remains warm and comfortable during the colder months. With an annual fuel utilization efficiency (AFUE) rating that can reach up to 85%, users can expect lower energy bills as well.

Each model in the TWZ series is equipped with a durable and robust construction. The cast iron sections provide increased resistance to wear and tear, making the TWZ series a long-lasting solution for heating needs. This is particularly beneficial for users looking for reliability over time, as the longevity of these boilers reduces the need for frequent replacements.

In terms of technology, the TWZ series features advanced controls that enhance functionality and ease of use. These boilers are compatible with various heating control systems, allowing users to fine-tune their heating setup according to their specific requirements. The inclusion of a flame safeguard system further ensures safety during operation, reducing the risk of malfunctions and improving overall reliability.

The TWZ series is designed for easy installation and maintenance. With options for direct venting or conventional chimney venting, homeowners and installers can choose the most suitable configuration for their properties. Additionally, the maintenance access points on these boilers make routine service checks simple and efficient, ensuring that the boilers remain in optimal condition.

Another important characteristic of the Crown Boiler TWZ series is its quiet operation. Advanced engineering minimizes noise production, making these boilers ideal for residential settings where peace and comfort are valuable.

In conclusion, the Crown Boiler TWZ090, TWZ120, TWZ175, TWZ200, and TWZ100 models offer a compelling combination of efficiency, durability, advanced technology, and user-friendly features. Whether for residential or light commercial use, they represent an excellent choice for anyone seeking reliable heating solutions.
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