Amtrol Wiring ALL READY-TO-RUN RTR Models, Honeywell L8148A or Similar W/120V High Limit

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10. WIRING ALL READY-TO-RUN (RTR) MODELS

Ready-To-Run models include a circulator with built-in priority zoning relay. The aquastat is pre-wired and controls the circulator. Line voltage must be supplied and a signal wire must be run to fire the boiler.

 

 

 

PR

PR

 

 

 

IN

OUT LIVE NEUT

1

2

3

4

 

 

 

 

 

LINE IN

 

 

 

 

LINE OUT

DHW AQUASTAT

CANCELS ON

CALL FOR DHW

FACTORY WIRED

 

 

 

 

DRY CONTACT

 

 

 

TO BOILER OR

 

 

 

EXTERNAL RELAY

 

 

CIRCULATOR RELAY OPERATION

To wire RTR models, select the appropriate diagram from the following pages. If a suitable diagram is not available for your application, please contact AMTROL Tech Support at (401)535-1216. Always disconnect power before wiring the unit. Ensure that the proper conduit and connections are used per your local code. In lieu of local code, the National Electric Code should be followed.

 

 

CIRCULATOR RELAY BOX

 

 

 

 

 

PR

PR

 

 

 

 

 

IN

OUT

LIVE NEUT

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

L2

Indirect

 

 

 

 

 

 

L1

Aquastat

 

 

 

 

 

 

 

 

 

 

 

L1

L2

T

T

 

 

 

 

HIGH

 

 

 

 

 

 

LIMIT

 

 

 

 

 

 

INPUT

 

 

 

 

 

 

C1

C2

 

 

HONEYWELL L8148A OR SIMILAR W/120V HIGH LIMIT

 

 

 

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Contents Models Covered Models Codes InstructionsPRE-INSTALLATION Checklist Table of ContentsWH Series Required Components and Accessories ChecklistDomestic Water Piping Boiler Piping WH-7 & 9 Classic Series Piping InstallationPage Domestic Water Piping TOP Down TD-SERIES Piping InstallationPage READY-TO-RUN RTR-SERIES Piping Installation Page WHS Premier Series Piping Installation Page Black Wiring ALL Smart Control ModelsOrange Blue Violet White Boilermate Junction BOX Boilermate CirculatorWhite Rodgers 8J48A Priority Wiring Honeywell L8124 B & D Priority WiringPriority Wiring Honeywell L8148B Priority Wiring Honeywell L8148APriority Wiring Typical Multi-Zone Relay Utilizing Post-Purge Feature Water Sensor Plug Water Sensor Installation if EquippedSeparate Circulator Wiring ALL Dial Control Models Except RTR ModelsCapillary Tube Sensor Bulb Shaft Wire Leads Priority W/CIRCULATORS Schematic Zone Valves SchematicHoneywell L8148E Boiler Control SchematicHoneywell L8148A or Similar W/120V High Limit Wiring ALL READY-TO-RUN RTR ModelsTypical MULTI-ZONE Control White Rodgers 8J48A W/24V GAS ValveHoneywell L8148J W/MILLIVOLT GAS Valve Startup Procedure for ALL Models Setting the Smart Control Problem Solution TroubleshootingTD-7 RTR Replacement PartsCleaning the Boilermate Heat Exchanger Coil Explosion or Rupture Hazard General Safety InformationPage West Warwick, Rhode Island

RTR, Top Down, WH-7 Classic Series, WH-9 Classic Series specifications

Amtrol is a well-respected name in the water heater industry, and its Classic Series models, such as the WH-9 and WH-7, are recognized for their quality and performance. These water heaters are designed to meet the hot water needs of residential and commercial applications, offering efficient solutions for those who require a reliable supply of hot water.

The WH-9 Classic Series is a standout model, boasting a 9-gallon capacity, making it ideal for smaller households or specific applications that require a compact solution. This model is designed with a unique top-down heating system, which ensures that water is heated efficiently from the top down, minimizing energy waste. The tank is insulated with high-density foam, reducing standby heat loss and enhancing energy efficiency. This model features a glass-lined steel tank that is resistant to corrosion, coupled with a magnesium anode rod that further extends the tank’s lifespan.

On the other hand, the WH-7 Classic Series offers a slightly smaller 7-gallon capacity, making it a perfect choice for tight spaces or systems where only a limited quantity of hot water is needed. Similar to the WH-9, the WH-7 also utilizes advanced insulation technology to maintain water temperature and reduce energy consumption. The compact design of both models allows for easy installation in various locations within a home or business.

Both the WH-9 and WH-7 feature a user-friendly thermostat for precise temperature control. This allows users to adjust the water temperature to their specific needs, ensuring optimal comfort and safety. The Classic Series is built with high-quality components, including durable heating elements that provide quick recovery times, delivering a steady flow of hot water when needed.

Another notable characteristic of the Amtrol Classic Series is its commitment to sustainability. The company integrates eco-friendly technologies into their products to reduce energy consumption, which is beneficial for both the environment and the consumer’s utility bills.

In conclusion, Amtrol’s WH-9 and WH-7 Classic Series water heaters offer efficient, reliable hot water solutions for varying residential and commercial needs. With their innovative heating technologies, durable construction, and user-friendly features, these models stand out in the competitive water heater market, making them a preferred choice for many homeowners and businesses alike. Whether you opt for the 9-gallon or the 7-gallon capacity, you can be confident in receiving consistent and efficient hot water when you need it most.