user manual DMx Warewash Dispenser
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index (continued) 1.OO overview page 1.01 Package Contents 6 1.02 Description 6 1.03 Product Features 6 1.04 Model Numbers and Features 7 1.05 Product Diagram 7 1.06 General Specifications 8 1.07 Intended Use 8 2.OO installation 2.01 Site Survey and Installation Requirements 9 2.10 Mechanical Installation 9 2.11 Mounting Bracket 9 2.12 Installation Diagram 10 2.13 Conductivity Probe 11 2.14 Inductive Probe 11 2.15 Detergent Bulkhead Fitting 12 2.
index (continued) 4.OO programming page 4.01 Programming Overview 21 4.02 Downloading the Hydro Connect Mobile Application 21 4.03 Logging in to the Hydro Connect Mobile App 21 4.04 Home Screen Overview 22 4.05 Connecting to a Dispenser from the HOME Screen 22 4.06 MANAGE DISPENSER Screen Overview 23 4.07 REPORT Screen Overview 23 5.OO setup page 5.01 SETUP Screen Overview 25 5.
index (continued) 8.OO troubleshooting 8.01 Troubleshooting Table 9.OO 55 service parts 9.01 Exploded Parts Diagram (Front) 57 9.02 Service Parts List (Front) 57 1O.OO decommissioning & disposal 59 11.OO weee - waste electrical and electronic equipment 59 12.OO warranty 12.01 Limited Warranty 60 12.
1.OO overview For an electronic copy of this document go to www.hydrosystemsco.com. Safety Precautions WARNING: Please read precautions thoroughly before operation. Meet all applicable local codes and regulations. THANK YOU FOR YOUR INTEREST IN OUR PRODUCTS Please use this equipment carefully and observe all warnings and cautions.
1.OO overview (continued) 1.O4 Model Numbers and Features Dispenser Build Options: Conductivity Probe Style: BC = Basic Conductivity Probe CT = Conductivity/Temp. Compensated IT = Inductive Conductivity/Temp. Comp.
1.OO overview (continued) 1.O6 General Specifications Category Specification Electrical Input Voltage 100-230 VAC at 50/60 Hz up to 1.0 Amps maximum (Class I) Power Usage 24W maximum Detergent Signal Input 24-250VAC at 50/60Hz up to 20mA or 24VDC up to 20mA Rinse Signal Input 24-250VAC at 50/60Hz up to 20mA or 24VDC up to 20mA Weights and Dimensions Weight: Unboxed Boxed Dimensions: Unboxed Boxed 2-Product Models 3-Product Models Nominal: 1.8 Kg (4.0 lbs) Nominal: 2.5 Kg (5.
2.OO installation Safety Precautions CAUTION: Before an installation takes place it is advisable to complete a site survey to ensure the DMx Warewash Dispenser can be installed in a position that meets all the requirements below. CAUTION: Do not install unit in potentially explosive environment where flammable gas, steam, fog or dust can form an explosive combination with air. WARNING: Electrical installation should be completed by a qualified electrician.
2.OO installation (continued) 2.
2.OO installation (continued) 2.13 Conductivity Probe The Conductivity probe senses the detergent concentration and measures the tank temperature if the optional temperature compensated probe has been ordered. Correct probe placement is critical for accurate detergent concentration control. Always use the new probe provided with the dispenser.
2.OO installation (continued) 2.15 Detergent Bulkhead Fitting Correct placement of the detergent bulkhead fitting is critical for accurate detergent concentration control. Ensure that the detergent bulkhead fitting is: • Above the water line in the tank. • Close to the conductivity probe location. • Discharging detergent directly into the wash tank and not on top of any shelf areas or obstacles that could prevent detergent from falling directly into the wash tank.
2.OO installation (continued) 2.17 Optional Rinse Temperature Sensor Kit The optional rinse temperature sensor kit is a thermistor that allows monitoring of the rinse water in a high-temperature dish machine to ensure that each rack meets the sanitation requirement of the food code. Installation Method 1: 1) Most machines will have a 1/8“ NPT inlet blanked off on the rinse water manifold. 2) Remove the blanking cover or threaded plug from the rinse water manifold.
2.OO installation (continued) 2.2O Electrical Installation WARNING: Electrical installation and maintenance should be completed by a qualified electrician. All local and national electrical regulations are to be observed. CAUTION: All electrical connections (excluding the conductivity probe) are to be made either in the dish machine control circuit panel or in a suitable, external junction box.
2.OO installation (continued) 2.23 Basic Conductivity Probe Wiring Although the basic conductivity probe wiring is pre-wired to the controller, you must make the connection to the probe installed on the washer. Dish Tank Wall Conductivity Probe Wires 1) Route the probe wires to the conductivity probe location and cut to fit if required. 2) Strip the wire ends and crimp on the ring terminals provided.
2.OO installation (continued) 2.25 Optional Inductive Probe Wiring The optional Inductive Conductivity Probe includes a separate Inductive Interface Board and the probe with 4-conductor cable to power the probe and communicate the tank temperature and conductivity readings to the dispenser. To install the optional Inductive Conductivity Probe, follow these steps: Important: Install the Inductive Conductivity Probe into the wash tank before proceeding per diagram.
2.OO installation (continued) 2.27 Main Power Input Wiring Power input to the DMx can be any voltage from 100-230 VAC at 50/60 Hz. For single phase systems, the brown wire of the seven-wire harness is connected to the Hot source and the blue wire is connected to the Neutral source, as shown to the right. With a three phase supply, the DMx is a single-phase load. Line voltage is applied using just two wires (Brown and Blue). Avoid interconnection to power systems that are not ground-referenced.
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3.OO operation 3.O1 Dispenser Control Pad DETERGENT RINSE AID SANITIZER POWER There are three or four buttons and corresponding LEDs on the DMx depending on whether a 2-product or 3-product system is in use. These buttons and LEDs allow for local interaction by the user. Product Buttons 3.O2 Product Buttons There is one button each for Detergent, Rinse, and Sanitizer. (Sanitizer used only on a 3-product system.
3.OO operation (continued) 3.O4 Power/Standby Button DETERGENT There is one button and LED labeled Power, on the DMx. This button can be pressed at any time to stop the DMx from priming, running, or receiving detergent or rinse signals from the dish machine. This button is especially useful when performing maintenance, such as changing squeeze tubes or deliming the detergent tank.
4.OO programming 4.O1 Programming Overview The DMx dispenser is programmed and controlled using the Hydro Connect Mobile application that is available through app stores for either iOS or Android. The mobile application is compatible with iPhones (6S and beyond), iPads, and Android Devices (API 23 - Android 6.0 and beyond). Please note that portions of the Hydro Connect Mobile application may not be available to all user types.
4.OO programming (continued) Username Password “Keep me signed in” Press Login Press Continue to Access Hydro Connect Enter User Name and Password 4.O4 Home Screen Overview After logging in, you will land on the HOME screen. From this screen you will be able to connect to any device that is within your user responsibilities that is within Bluetooth range.
4.OO programming (continued) 4.O6 MANAGE DISPENSER Screen Overview The MANAGE DISPENSER screen is a dashboard that allows users to quickly see all the pertinent information about the dispenser the Hydro Connect Mobile app is connected to. The various sections of this screen are described in detail below: • Dispenser Information: This section contains information about the Dispenser Name (e.g.
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5.OO setup 5.O1 SETUP Screen Overview From the SETUP DISPENSER menu, there are multiple ways for a Technician to program all the dosing parameters. These include: • Guided Setup: This section will walk the user through all the required settings to operate the DMx at a basic level. It will not cover non-essential settings, like costs, alarms, or Asset Management, which are covered in the Configure Alarms or Advanced Setup menus.
5.OO setup (continued) Probe Mode on a Door Machine 5.O2 GUIDED SETUP (continued) From the first screen, the user can change the Name of the dispenser and the Short Name which is broadcast via Bluetooth from the HOME screen. To ensure that the right settings are configured, the user must then indicate whether a probe is being used or not and then select the Machine Type. NOTE: Once Probe mode is selected, the DMx will automatically determine the type of probe in use.
5.OO setup (continued) Probe Mode on a Door Machine 5.O2 GUIDED SETUP (continued) Pulse Feeding (continued) Preset High / Medium / Low Pulsing If the user is uncertain about how to set up their pulse feeding, Hydro has provided some preset common pulse feeding settings. They are defined as: • High: The pump will begin pulsing at 90% of the setpoint value. It will run for 6 seconds and then will be off for 1 second and repeat until a value at or above the setpoint is reached.
5.OO setup (continued) Probe Mode on a Door Machine 5.O2 GUIDED SETUP (continued) Liquid Pump Calibration (continued) Liquid pumps can be calibrated using a fixed Time or fixed Volume. Regardless of the method chosen, before beginning, ensure that the pump is completely primed with the inlet and outlet tubing filled with product. NOTE: Liquid pumps are always calibrated at full speed.
5.OO setup (continued) Probe Mode on a Door Machine 5.O2 GUIDED SETUP (continued) Solenoid (Solids) Calibration (continued) Calibration by Time Weigh Solids Container When calibrating by time, the solenoid will open for a fixed time of 20 seconds, allowing water to spray and dissolve the solid product. To begin the process: 1) With outlet of the dissolver bowl routed to a drain or the dish machine, press Start. The solenoid will open and a countdown from 20 will begin.
5.OO setup (continued) Probe Mode on a Conveyor Machine 5.O2 GUIDED SETUP (continued) Sanitizer (3-Product Models Only) 1) To set up the sanitizer dispensing parameters for a unit operating in Probe Mode on a Door Machine, scroll to the top and select the Sanitizer Pump. Sanitizer Settings 2) Next, enter the following: Sanitizer Pump Speed (5-55 RPM): This is the speed that the pump will run at whenever the rinse signal is active.
5.OO setup (continued) Probe Mode on a Conveyor Machine 5.O2 GUIDED SETUP (continued) Probeless Autoswitch (Conveyor) (continued) When this occurs the Power and Detergent LEDs will flash Yellow indicating the probe requires maintenance. If enabled in the Guided Setup, the user will be prompted to establish the Probeless Dosing parameters for detergent, in case a switch to Probeless Mode does take place.
5.OO setup (continued) Probeless Mode on a Door Machine 5.O3 GUIDED SETUP - Probeless Mode From the first Guided Setup screen, the user can change the dispenser into Probeless Mode by pressing the gray button labeled “Change Probe Configuration” and selecting “No”. The user can also select whether a temperature sensor is being used in the wash tank and the machine type at this time.
5.OO setup (continued) Probeless Mode on a Door Machine 5.O3 GUIDED SETUP - Probeless Mode (continued) Detergent (continued) Calibrate Pump / Solenoid Pump or solenoid calibration for Probeless, Door Mode is done identically to the process described starting on page 27. Rinse 1) To set up the rinse dispensing parameters for a unit operating in Probeless Mode on a Door Machine, scroll to the top and select the Rinse Pump.
5.OO setup (continued) Probeless Mode on a Conveyor Machine 5.O3 GUIDED SETUP - Probeless Mode (continued) Probeless Mode on a Conveyor Machine To configure a DMx unit that utilizes Probeless/Time mode on a Conveyor Machine, start on the Guided Setup Screen. 1) Confirm that the gray button is set to Probeless and select Conveyor as the Machine Type. 2) When this is done, enter the Conveyor Rack Time (in seconds). This setting helps the dispenser count racks in Conveyor mode.
5.OO setup (continued) Probeless Mode on a Conveyor Machine 5.O3 GUIDED SETUP - Probeless Mode (continued) Probeless Mode on a Conveyor Machine (continued) Rinse 1) To set up the rinse dispensing parameters for a unit operating in Probeless Mode on a Conveyor Machine, scroll to the top and select the Rinse Pump. 2) Next, enter the following: • Rinse Aid Pump Speed (5-55 RPM): This is the speed that the pump will run at whenever the rinse signal is active.
5.OO setup (continued) Probeless Mode on a Alt Door Machine 5.O3 GUIDED SETUP - Probeless Mode (continued) Probeless Mode on an Alternate (Alt) Door Machine An Alternate Door Machine is a Door Machine that has two independent solenoids for the fill and for the rinse process. This means that there is no rinse signal active when the system is filling, therefore the logic for dosing detergent initial charges is different for an Alternate Door.
5.OO setup (continued) Probeless Mode on a Alt Door Machine 5.O3 GUIDED SETUP - Probeless Mode (continued) Probeless Mode on an Alternate (Alt) Door Machine (continued) Rinse 1) To set up the rinse dispensing parameters for a unit operating in Probeless Mode on an Alternate (Alt) Door Machine, scroll to the top and select the Rinse Pump. 2) Next, enter the following: • Rinse Aid Pump Speed (5-55 RPM): This is the speed that the pump will run at whenever the rinse signal is active.
5.OO setup (continued) 5.O4 SETUP FROM FILE Setup From File allows the user to quickly configure a DMx dispenser without manually configuring using the Guided Setup. This saves time and installation cost, taking the process from minutes to seconds. Setup files can be written using the Hydro Connect Mobile Application and saved in the Hydro Connect Cloud to offer a standard library that also prevents user errors related to setup.
5.OO setup (continued) 5.O4 SETUP FROM FILE (continued) Creating a New Setup File To create and save a new setup file to the Hydro Connect Cloud for wider use, navigate to the Guided Setup section outlined in section 5.03 and configure the unit as desired. When the configuration of the controller is as desired for the new Setup File, go to Setup From File and select Create File, as shown to the right.
5.OO setup (continued) 5.O4 SETUP FROM FILE (continued) Viewing Company Setup File Library (continued) From the configuration library, as shown below, depending on the user account type, the configuration file can be viewed by clicking on the "Eye" icon at the far right of the listing. A configuration may also be deleted from the library by clicking the "three dots" at the far right and selecting Delete as shown above. A confirmation dialog will be displayed before the configuration is deleted.
5.OO setup (continued) 5.O5 CONFIGURE ALARMS The Configure Alarms menu allows each alarm to be enabled or disabled, and for key settings for each alarm to be customized. To access this menu from the first SETUP DISPENSER screen, press the Configure Alarms button. The various states of operation are described below, along with images showing the corresponding settings in the application for the alarms described.
5.OO setup (continued) 5.O5 CONFIGURE ALARMS (continued) Condition: Low Detergent Alarm (Probe Mode Only) Description: • This alarm is caused if the conductivity probe reads below the setpoint and has not increased by 10% for the number of racks designated by the user. • When this critical alarm occurs, the system will enter standby mode with the Power LED turning red and the Detergent LED also turning fixed red. This indicates that there is an out of product condition that the local staff can manage.
5.OO setup (continued) 5.O5 CONFIGURE ALARMS (continued) Condition: Pump Jam LED color: Red - Flashing: Product LED (2x / second) Red - Fixed: Power LED Buzzer State: On: Continuously (Press any Product button to mute buzzer.) Description: • This alarm is automatically enabled for any liquid/motor pump and cannot be disabled in the Configure Alarms menu. • It indicates that there is a critical alarm on one of the product pumps whereby the pump is jammed and drawing too much current.
5.OO setup (continued) 5.O5 CONFIGURE ALARMS (continued) Condition: Delime Tank LED color: Orange - Flashing: All Product LEDs (1 / second) Buzzer State: Off Description: • This indicates that the established number of days set in the Configure Alarms menu (1-365 days) has elapsed and that a routine delime is needed to maintain the dish machine. • The alarm does not require immediate intervention and can be reset by pressing any button for 2 seconds or through the Hydro Connect Mobile Application.
5.OO setup (continued) 5.O6 ADVANCED SETUP The Advanced Setup menu allows the operator to set up features that reside outside of the basic dispenser functions, such as User Prime Limits, Costs, and Asset Management. Press Advanced Setup To access this menu from the first SETUP DISPENSER screen, press the Advanced Setup button. Permission to Prime Some sites may opt to disable or restrict the kitchen staff’s ability to prime the pumps without intervention through the Hydro Connect Mobile Application.
5.OO setup (continued) 5.O6 ADVANCED SETUP (continued) Clear Memory The DMx is designed to store approximately 6 months of activity data to reduce unnecessary site visits just to retrieve data. If this memory capacity is exceeded on the DMx, the oldest records will be overwritten, to make room for the new data. Alternatively, the user can clear the memory on the dispenser by pressing the Clear Memory button and then pressing Accept.
6.OO Hydro Connect reporting Data from the DMx dispenser is transmitted to the Hydro Connect Cloud for more detailed historical or optional real-time reporting. This can be accessed through www.HydroConnect. com. 6.O1 Account Creation and Log-in To log into the Hydro Connect Cloud, you must have an active username and password. If you do not, please reach out to your Company Admin or Hydro Technical Support to get set up.
6.OO Hydro Connect reporting (continued) 6.O2 Historical Reports (continued) 6.O3 Historical Reports- Alarm Summary The Alarm Summary report tab shows the number of occurrences of each of the nine alarm types. If the customer has the Real-Time hardware and service enabled, clicking the number of occurrences will allow the exact time, date, and key parameters for each alarm occurrence to be displayed. This information allows remote users to do more detailed troubleshooting without making a site visit.
6.OO Hydro Connect reporting (continued) 6.O3 Historical Reports- Alarm Summary (continued) 6.O4 Historical Reports- Production Summary The Production Summary report tab shows the number of racks that have been run over a set period. The report can be toggled to show each day in the given time period or consolidate the figures into weekly totals. Either way, a green line on the chart shows the average, which is numerically displayed in the top left corner of the chart.
6.OO Hydro Connect reporting (continued) 6.O4 Historical Reports- Production Summary (continued) Clicking Run Time Table will show in a tabular format the number of racks run and the total number of seconds (broken into production and priming) that each pump has run for. If the customer has the Real-Time hardware and service enabled, this report can show additional detail, with the same information displayed by shift. NOTE: To add the Real-Time capability to an installed unit, contact Hydro Sales.
6.OO Hydro Connect reporting (continued) 6.O4 Historical Reports- Production Summary (continued) 6.O5 Historical Reports- Chemical Usage The Chemical Usage report tab shows the liquid volume (gallons/liters) or solid weight (lbs/kilograms) of each chemical product that has been used over a set period. The data is calculated by using the run time whenever a pump runs with the latest stored calibration (volume/time).
6.OO Hydro Connect reporting (continued) 6.O5 Historical Reports- Chemical Usage (continued) By clicking Export As, a professional report in PDF format can be generated and downloaded, showing the Daily Chemical Usage Summary (bar or line style) and the Monthly Chemical Usage Summary (bar or line style). 6.O6 Historical Reports- Cost Summary The Cost Summary report tab shows the cost associated with the chemical usage at a site.
6.OO Hydro Connect reporting (continued) 6.O6 Historical Reports- Cost Summary (continued) By clicking Export As, a professional report in PDF format can be generated and downloaded, showing the Total Cost Summary Bar Charts (absolute and per rack) as well as the Cost Summary Table. 6.
7.OO maintenance WARNING: Before you perform the below maintenance, disconnect the incoming power source or press the Power/ Standby button to prevent the dispenser from running. 7.O1 Routine Maintenance • If installed, check the conductivity probe, tank temperature sensor, and rinse temperature sensor for scale or other deposit build up. Clean as necessary. • Titrate the wash tank solution to verify that the unit is holding accurate concentration.
8.OO troubleshooting 8.O1 Troubleshooting Table WARNING: Electrical installation and maintenance should be completed by a qualified electrician. All local and national electrical regulations are to be observed. Problem 1. Dead Unit - Power LED not illuminated 2. No detergent feed Cause Solution a. No incoming main electrical power • Check wiring from dish machine • Check for power at dish machine connection b.
8.OO troubleshooting (continued) 8.O1 Troubleshooting Table (continued) WARNING: Electrical installation and maintenance should be completed by a qualified electrician. All local and national electrical regulations are to be observed. Problem Cause 7. The dispenser you are a. The dispenser is assigned to a site that is trying to connect to does outside of your user responsibilities not appear in the HOME screen b.
9.OO service parts 11 9.O1 Exploded Parts Diagram 1 2 10 12 13 4 3 14 5 15 16 8 9 7 17 6 9.O2 Service Parts Key Part No.
9.OO service parts (continued) 9.O2 Service Parts (continued) Key Part No.
1O.OO decommissioning & disposal WARNING: Before decommissioning the unit, disconnect the incoming power source! NOTE: This section is intended for the markets that use the Global models of the DMx dispenser. • • • • • All contents (including liquids and chemicals) have been removed and disposed of appropriately. Any hazard warning signs have been removed from surfaces and internally, or totally defaced. Unit has been completely and adequately cleaned and disinfected.
12.OO warranty 12.O1 Limited Warranty Seller warrants solely to Buyer the Products will be free from defects in material and workmanship under normal use and service for a period of one year from the date of completion of manufacture.
