HOT

 

 

NEUTRAL

3A(FUSE)

FROST SENSING

 

 

SWITCH

 

 

ARRESTER

 

 

ANTI-FROST HEATER

 

 

 

VARISTOR

VARISTOR

 

 

 

 

 

GND

RELAY 1

 

IGNITION

 

IG

 

SWITCHING

 

 

POWER SUPPLY

 

PG

DC170V

DC12V

E

D

DC12.6V

DC5V

DC40V

 

 

A

B

WATERFLOW

A

 

 

SENSOR

WATERFLOW

 

 

QS

 

 

SENSOR

 

 

 

CIRCUIT

 

 

WATERFLOW

A

SG

 

CONTROLDEVICE

WATERFLOW

 

 

M

 

 

CONTROLDEVICE

 

 

CIRCUIT

 

 

BY-PASSFLOW

A

SG

 

CONTROLDEVICE

BY-PASSFLOW

 

M

 

CONTROLDEVICE

 

 

CIRCUIT

 

 

BY-PASS SERVOMODEL ONLY

SG

 

A

RELAY 1

RELAY

 

DRIVING

 

 

 

CIRCUIT

 

THERMALFUSE

SV0

SOLENOID

SV1

 

DRIVING

OVERHEAT

 

CIRCUIT

SV2

 

 

SWITCH

 

 

 

SV3

 

 

OUTGOING WATER

B

SG

THERMISTOR

 

 

 

HEAT EXCHANGER

 

 

THERMISTOR

 

THERMISTOR

AIR TEMPERATURE

CIRCUIT

 

 

 

THERMISTOR

 

 

 

INDOOR MODEL ONLY

 

SG

 

 

 

 

C SG

BA B C

MODULATING VALVEPOWER CONTROL CIRCUIT

 

SG

 

CPU

D

E

CENTRAL

 

 

PROCESSING

FAN

 

UNIT

 

 

CONTROL

 

 

CIRCUIT

 

PG

A

FLAME

DETECTING

CIRCUIT

SG

GND

A B

REMOTE

CONTROLLER

CIRCUIT

SG SG

MODULATING SOLENOID VALVE

POV

COMBUSTION FAN

FAN

FLAME ROD

FR

REMOTE CONTROLLER

Figure 41. Ladder Diagram.

WARNING

DO NOT adjust any dipswitch settings on PC board except dip switch number 1, if required, for vent length or unless instructed to do so.

50

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Bradford-White Corp TG237I-N(X), TG-150I-N(X), TG-180I-N(X), TG-237I-N(X)A, TG-199I-N(X) instruction manual Cpu

TG-199I-N(X), TG-237I-N(X)A, TG-150I-N(X), TG237I-N(X), TG-180I-N(X) specifications

Bradford White Corp, a leader in water heating, offers a range of innovative water heaters, including the TG-180I-N(X), TG-237I-N(X), TG-150I-N(X), TG-237I-N(X)A, and TG-199I-N(X) models. These units are designed to deliver energy-efficient performance while ensuring reliability and ease of use for both residential and commercial applications.

One of the main features of the TG series is their robust design, which is built to withstand the rigors of daily use. These models are equipped with a durable steel tank that is glass-lined to prevent corrosion, ensuring a longer lifespan and reduced maintenance needs. The insulation system utilized in these water heaters is designed to minimize heat loss, contributing to overall energy efficiency.

In terms of technology, the TG series utilizes advanced gas burner systems that ensure optimal heating performance. The models feature an atmospheric venting system that is simple to install and maintain, offering great flexibility in terms of placement within a building. Additionally, the inclusion of Bradford White's signature Hydrojet® Total Performance System enhances overall efficiency by reducing sediment buildup, allowing for better heat transfer and increased performance.

Each model in this range is designed with user-friendly controls. The intuitive thermostat settings enable users to easily adjust the water temperature to meet their specific needs. Moreover, these water heaters incorporate safety features such as high-temperature limit switches and a temperature and pressure relief valve, ensuring safe operation.

Another important characteristic of these models is their compliance with industry standards. The TG series meets or exceeds the stringent guidelines set forth by the American National Standards Institute (ANSI) and the National Sanitation Foundation (NSF), demonstrating Bradford White's commitment to quality and safety.

Moreover, the TG series is designed to be environmentally friendly, incorporating features that support lower emissions and energy consumption. By using high-efficiency burners and improved insulation, these models contribute to reduced greenhouse gas emissions, aligning with global sustainability goals.

In summary, the Bradford White Corp TG-180I-N(X), TG-237I-N(X), TG-150I-N(X), TG-237I-N(X)A, and TG-199I-N(X) water heaters are engineered for efficiency, durability, and safety. With advanced features and technologies, they provide reliable hot water solutions for a variety of settings, making them an excellent choice for consumers seeking high-quality water heating options.