Moyer Diebel 201HTN, 501HTN, 401HTN, 201LT, 501LT Booster Heater/Wash Tank Heater Interlock Circuit

Page 15

Installation

Booster Heater Element Field Conversion from Single to Three Phase Operation (continued)

ATTENTION ELECTRICIAN:

The Main Terminal Block (MTB) is a 4-wire connection block which includes a current-carrying neutral. The block can be connected for 3PH or 1PH depending on how the booster heater is wired ( see the previous page). Refer to the diagram to the right and connect the main incoming electric service accordingly. The data plate on the lower front cover of the dishwasher provides the correct power requirements.

Contact the local authorized service agent if there are any questions concerning the proper power connections.

Main Terminal Block (MTB)

No power when booster heater is connected for 1 PH

L1 L2 L3 N

 

To

 

Auxiliary

To booster

Contactor

115VAC

heater contactor

1PH

 

208-230VAC

 

No power when booster heater is connected for 1 PH

Booster Heater/Wash Tank Heater Interlock Circuit

For Model 201HT, 401HT, 501HT dishwashers beginning with S/N 14236 and above.

The booster heater/wash tank heater interlock circuit removes power from the wash tank heater whenever the booster heater contactor energizes. The illustration below shows how the booster heater contactor is wired. The booster heater contactor is located behind the lower front access panel.

Interlock Circuit Operation

1.The dishwasher fills with water when the

main power switch on the dishwasher is turned on. The booster heater thermostat calls for heat which energizes the booster heater contactor.

2.The auxiliary contact on the top of the contactor opens and removes power from the wash tank heater.

3.When the booster heater thermostat is

satisfied, the booster heater contactor de-

1H3

No power

energizes and the auxiliary contacts close

when booster

applying power to the wash tank heater.

heater is

connected for

4. This operation is repeated whenever the

1 PH

 

booster thermostat calls for heat.

 

Auxiliary

Contactor

 

 

L1

From

 

 

N

main

 

 

terminal block

 

To wash

 

115 VAC

 

 

 

 

tank heater

 

 

 

115VAC

L2

 

 

 

From

 

 

 

main

 

 

 

terminal block

 

 

L1

1 PH

 

 

208-230VAC

1H1

 

L3

 

To booster heater

No power when booster

1H2

1 PH 208-230VAC

heater is connected for 1 PH

 

 

Booster Heater

Contactor

5

Page 14 Page 16
Image 15
Page 14 Page 16
Contents Undercounter Dishwashers Page Register Your Product Online Product Registration Card Revision History Revision History Blank This Intentionally Left BlankLimited Warranty Limited WarrantyTable of Contents 201-HT, 401-HT, and 501-HT Models Model DescriptionReceiving InstallationL1 L2 L3 N Electrical ConnectionsFor machines built prior to S/N Electrical Connections Booster Heater/Wash Tank Heater Interlock Circuit Water Connections Drain Connections Filling the Booster Initial Start-upFor Models 501HT, 401HT, and 201HT All Models Check ListModels 501HT, 501HTN, 401HT, 401HTN, 201HT, 201HTN Chemical Dispensing PumpsModels 501LT and 201LT Chlorine bleach solutionModels 501LT, and 201LT Chemical DispensersChemical Dispensing Pump Speed and Tank Fill Adjustments 501HT Control Panel Normal Wash CycleModel Rinse Sentry FeatureDishwasher Drain Operation Daily-End of the Day CleaningDaily-End of the Day After Meal Period or Every 8 Hours Maintenance Schedule Condition Cause Solution This Intentionally Left Blank Service Replacement Parts Service Replacement PartsWash Pump/Motor Assy All Models Part Description Qty All Models Wash Pump/Motor AssyWash Tank, Drain, Scrap Screens All Models HEATER, 120VAC 750W All Models Wash Tank, Drain, Scrap ScreensBuilt-in Electric Booster 201HT, 401HT, 501HT Must be ordered with P/N 0512108 Thermostat Prior to S/N W14478Base Electrical Components All Models 201HT, 401HT, 501HT201LT, 501LT All S/Ns All Models Base Electrical ComponentsBeginning with S/N W14236 and above Prior to S/N W14236Fill Piping All Models VALVE, Fill 5.0 GPM Breakdown on next All Models Fill PipingFill Valve Assy All Models All Models Fill Valve Assy Fill Chute Assy All Models All Models Fill Chute Assy Sprayarm Assy. All Models Drain Manifold Assy Complete All Models Sprayarm AssyMain Terminal Block, Timer Board All Models Part Description All Models Main Terminal Block, Timer BoardRinse-aid/Sanitizer Chemical Dispensing Pump All Models All Models Rinse-aid/Sanitizer Chemical Dispensing Pump Detergent Chemical Dispensing Pump All Models All Models Detergent Chemical Dispensing Pump Control Panel 201HT/HTN, 201LT, 401HT/HTN, 501LT Wash Rinse201HT/HTN, 201LT, 401HT/HTN, 501LT Control Panel Control Panel with Digital Display 501HT, 501HTN 501HT, 501HTN Control Panel with Digital Display Door Assembly All Models All Models Door Assembly Panel Assembly All Models All Models Panel Assembly Dish Racks Electrical Schematics Electrical SchematicsLow Temp. 201LT, 501LT All S/N’s High Temp.- All S/N’s 201HTN, 401HTN, 501HTN High Temp. 201HT, 401HT Prior to S/N Beginning with S/N 14236 201HT, 401HT High Temp High Temp. 501HT Prior to S/N Single PhaseBeginning with S/N 14236 501HT High Temp Timer Chart All Models Basic Service Basic ServiceDigiital Temperature Display Board 501HT Digital Temperature Display Board0512106 Digital temperature Display coDes Timer Connection Diagram All Models Troubleshooting Guide Timer Board Diagnostic Testing Diagnostic testing for p/n 0712105 solid state timer board

201HTN, 401HT, 201HT, 501LT, 201LT specifications

Moyer Diebel is renowned for its exceptional line of commercial dishwashing machines, and the Moyer Diebel 501HTN, 501HT, 401HTN, 201LT, and 501LT models are among the industry's finest. These machines are designed to enhance efficiency, usability, and sustainability in the fast-paced environments of restaurants, cafeterias, and catering businesses.

The Moyer Diebel 501HTN model boasts high-temperature sanitization capabilities, making it ideal for establishments requiring rigorous hygiene standards. This unit features a compact design yet offers robust performance, incorporating an advanced wash system that ensures thorough cleaning of dishware, utensils, and glassware. The 501HTN is equipped with a powerful pump and a low-water consumption feature, promoting efficient operation while maintaining excellent cleaning results.

Similar to the 501HTN, the Moyer Diebel 501HT offers high-temperature washing but is optimized for slightly different applications. This model caters to establishments with a varied volume of dishware, providing flexibility and adaptability without compromising cleaning power. Its user-friendly interface simplifies operation while a dashboard display allows for easy monitoring of wash cycles and temperatures.

The Moyer Diebel 401HTN is designed for establishments that require a balance of performance and compact size. Although slightly smaller, the 401HTN does not sacrifice cleaning effectiveness. Its energy-efficient design is complemented by a powerful heating element that enables rapid temperature recovery, ensuring that wash cycles remain efficient even during peak hours.

In contrast, the Moyer Diebel 201LT is a low-temperature machine, making it suitable for users who prefer to operate using chemical sanitization. This model features an intuitive design, providing easy access for loading and unloading dishware. The 201LT’s energy-saving mode reduces water and energy consumption while maintaining an effective sanitizing process.

Lastly, the Moyer Diebel 501LT model continues the trend of efficiency and effectiveness but stands out for its durable construction and ease of maintenance. With its low-temperature technology, it caters to establishments focused on efficiency without the need for high-temperature water, making it a cost-effective option in terms of energy use and water consumption.

All these models are underpinned by Moyer Diebel's commitment to quality and innovation, ensuring long-lasting performance and reliability. With user-friendly designs and advanced technologies, these machines collectively enhance kitchen operations, ultimately contributing to a cleaner, more efficient, and sustainable dining experience.
Top Page Image Contents