Ladder Diagram

HOT

NEUTRAL

3A(FUSE)

FROST SENSING

SWITCH

ARRESTER

ANTI-FROST HEATER

 

VARISTOR

VARISTOR

GND

RELAY 1

IG

IGNITION

 

 

E

SWITCHING

POWER SUPPLY

 

PG

 

DC170V

DC12V

 

 

 

DC12.6V

DC40V

 

 

 

DC5V

 

 

 

A

B

C SG

WATERFLOW

A

 

B

 

SENSOR

 

 

 

 

QS

WATERFLOW

 

 

 

SENSOR

 

 

 

 

CIRCUIT

 

 

 

WATERFLOW

A

SG

 

 

CONTROLDEVICE

 

 

 

 

M

WATERFLOW

 

 

 

CONTROL DEVICE

 

 

 

CIRCUIT

 

CPU

BY-PASSFLOW

A

SG

 

 

CONTROL DEVICE

BY-PASS FLOW

CENTRAL

 

M

PROCESSING

CONTROL DEVICE

UNIT

 

 

CIRCUIT

 

 

 

BY-PASS SERVOMODEL ONLY

SG

 

 

A

RELAY 1

RELAY

 

 

DRIVING

 

 

 

CIRCUIT

 

THERMAL FUSE

SV0

 

 

 

SV1

SOLENOID

 

 

DRIVING

 

OVER HEAT

 

CIRCUIT

 

SWITCH

SV2

 

 

 

 

SV3

 

 

 

OUTGOING WATER

B

SG

 

THERMISTOR

 

 

 

 

HEAT EXCHANGER

 

 

 

THERMISTOR

THERMISTOR

 

 

 

 

CIRCUIT

 

 

AIR TEMPERATURE

 

 

 

THERMISTOR

 

 

SG

 

 

 

 

 

INDOOR MODEL ONLY

 

SG

 

 

 

 

 

 

D

A B C

MODULATING VALVEPOWER CONTROL CIRCUIT

SG

D E

FAN

CONTROL

CIRCUIT

PG

A

FLAME DETECTING CIRCUIT

SG

GND

A B

REMOTE CONTROLLER CIRCUIT

SG

MODULATING

SOLENOID

VALVE

POV

COMBUSTION

FAN

FAN

FLAME ROD

FR

REMOTE

CONTROLLER

VA Series Outdoor LS Manual

37

Page 37
Image 37
Rinnai R63LSe, R98LSe, R94LSe, R75LSe installation manual Ladder Diagram, Hot

R75LSe, R94LSe, R63LSe, R98LSe specifications

The Rinnai R94LSe, R98LSe, R75LSe, and R63LSe are part of Rinnai's premier line of tankless water heaters, designed to provide on-demand hot water efficiently and sustainably. Each model caters to different household needs while offering advanced technologies and features.

The R94LSe boasts a maximum output of 9.4 GPM, making it ideal for larger households. It features a digital display that provides real-time information on temperature settings and performance. The R94LSe incorporates Circ-Logic technology, allowing users to set a schedule for hot water demands, ensuring instant access to hot water when needed. This model also employs a self-diagnostic system, which continually monitors performance and alerts users to any maintenance needs, helping extend the unit's lifespan.

The R98LSe is another powerful option with a maximum output of 9.8 GPM, perfect for homes with multiple bathrooms. It includes a remote control and a user-friendly interface, enhancing user experience. The R98LSe also features a unique indoor venting system, significantly reducing installation constraints, and is designed with energy efficiency in mind. This model's ultra-efficient heat exchanger provides consistent temperature control while minimizing energy consumption, fulfilling the growing demand for eco-friendly products.

For those seeking slightly less capacity, the R75LSe has a maximum output of 7.5 GPM, making it suitable for medium-sized homes. Similar to its counterparts, it utilizes Rinnai’s advanced technology to optimize energy usage. The R75LSe features an integrated freezing protection system and a compact design that allows for flexible installation options both indoors and outdoors.

The R63LSe is the smallest of the lineup, with an output of 6.3 GPM, making it ideal for smaller homes or apartments. Despite its compact size, it does not compromise on efficiency, offering advanced control options and energy-saving features. It includes a digital display for easy monitoring and can be equipped with an optional recirculation pump to enhance water availability.

Overall, the Rinnai R94LSe, R98LSe, R75LSe, and R63LSe models offer a range of capabilities suitable for various household sizes and hot water demands. These tankless water heaters exemplify innovation with their energy-efficient designs, advanced technologies, and ease of use, marking Rinnai as a leader in the market for reliable hot water solutions.