Moyer Diebel 501HTN, 401HTN, 201LT, 501LT, 201HTN manual For machines built prior to S/N

Page 13

Installation

Electrical Connections

For machines built prior to S/N 14236

WARNING:

Electrocution or serious injury may result when working on an energized circuit.

Disconnect power at the main breaker or service disconnect switch before working on the circuit.

Lock-out and tag the breaker to indicate that work is being performed on the circuit.

ATTENTION

A qualified electrician must connect the main incoming power to the dishwasher in accordance with all local

codes and regulations or in the absence of local codes in accordance with the National Electrical Code.

L1

L2

L1

L2

N

 

 

208-230

 

115VAC

 

VAC

 

 

15A

 

 

 

4 ft. power cord w/plug supplied

 

115VAC

 

Model 201HTN / LT, 401HTN, 501HTN /LT

Model 201HT, 401HT, 501HT

 

All S/N's

 

Prior to S/N 14236

Note:

Models 201HTN, 201LT, 401HTN, 501HTN, 501LT are equipped with a 4 ft. power cord and plug. These models only require a 115VAC,15A receptacle.

1.Refer to the connection diagrams above.

2.Models 201HTN /LT, 401HTN, 501HTN /LT are equipped with a 4 ft. power cord/plug and only require a 115VAC,15A receptacle.

3.Models 201 HT, 401HT, and 501HT 1 PH machines require

a 3-wire plus ground supply which includes a current carrying neutral.

4.Models 201 HT, 401HT, and 501HT 3 PH machines require a

4-wire plus ground supply which includes a current carrying neutral.

5.Power connections are made at the Main Terminal Block (MTB) which is located at the lower right-hand side of the dishwasher directly behind the lower front access panel.

6.Remove the MTB cover and 2 screws holding the MTB to the machine base. Then, pull the MTB up and forward to make the electrical connections.

7.Provide a 3 ft. service loop in the supply cable for servicing.

8.Re-install the MTB and the lower front access panel to complete the installation.

Main Terminal Block (MTB)

shown pulled out of dishwasher front

to wire main incoming power

3

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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 Initial Start-up Filling the BoosterFor 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 W14478201HT, 401HT, 501HT Base Electrical Components All Models201LT, 501LT Beginning with S/N W14236 and above All Models Base Electrical ComponentsPrior to S/N W14236 All S/NsFill 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.
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