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American Dish Service HT-25 Installation Instructions Manual

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American Dish Service
INSTALLATION INSTRUCTIONS
Model HT-25
208v/240v, 3-phase, 40a/4-Wire
High Temp Dishmachine w/Built-on Booster Combo 208v/240v, 3-ph, 50a
Listed by UL #E68594, NSF/ANSI 3, ASSE 1004 #933, LA Test Labs File M-780089, Mass. License P3-0111-306
If you have questions, call 800-922-2178 or visit our website at www.AmericanDish.com
The electrical power supplied to this machine is an imminent hazard that could result in severe bodily injury
or death if not properly installed or hooked up correctly. When working in the control box or on electrical
Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017

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Summary of Contents for American Dish Service HT-25

  • Page 1 The electrical power supplied to this machine is an imminent hazard that could result in severe bodily injury or death if not properly installed or hooked up correctly. When working in the control box or on electrical Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 2 WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov #1 Before you begin: American Dish Service provides this information as a service to our customers. Keep all instructions for future reference. ADS reserves the right to alter or update this information at any time.

  • Page 3: Electrical Section

    For HOT WATER SANITIZING, an additional booster heater must be installed to reach 180F minimum for the final rinse. This booster will require a rise of 70-degrees. (The HT-25 does not have an internal booster heater, but ADS offers a combo package with a booster built-on to the left side of the machine and wired for a single point electrical connection.
  • Page 4 HT-25 control box and connect to the incoming side of the booster contactor. The single yellow wire connects to the heater side of the contactor on the L1 terminal. The yellow wire connects in the HT-25 box to the relay controlling the dishmachine sustainer heater. The dishmachine and booster combination come pre-wired from the factory.
  • Page 5 EXCEPTION—HT-25 4-Wire with booster is NOT AVAILABLE in single-phase PLUMBING SECTION #1 TANKLESS WATER HEATERS can be problematic for commercial dishmachines. The ADS model HT-25 dishmachine require heated water 61.2 gallons per hour at 20 psi as measured at the final rinse manifold, with a minimum temperature of 120F.
  • Page 6 The only connection is the incoming hot water to the booster. A pressure reducing valve with by-pass should be installed before the booster heater if the line pressure is 50 psi or above. Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...

  • Page 7: Drain Requirements

    2” diameter pipe or larger. Always run gravity drain lines downhill. Scrap box and 2”drain manifold attached to pallet for shipping Drain sump connection for copper drain, bottom of tank Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 8 There is NO CHEMICAL DISPENSER included with this model. Chemical dispensers must be provided and installed prior to operation. The installation of the dispenser is typically provided by the chemical supplier. DE-LIME SWITCH Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 9 INSTRUCTIONS FOR USING THE DE-LIME FEATURE ON A HT-25 are first turn off the machine then empty all water out of the machine by removing the pump filter/drain plug. After all water has emptied out, replace the pump filter/drain plug and fill the machine with fresh water by turning on the master switch.
  • Page 10 HT-25, 4-wire provides 230v dispenser signals. Connect to chemical dispenser terminal blocks located on the left-hand side of the control box, look for yellow decal labeled detergent and rinse. The dispenser wash signal comes from the 4 cam on the cam timer.
  • Page 11 After the first fill and completed cycle, drain the tank then install wash and rinse spray arms, both upper and lower. They are interchangeable top to bottom. Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 12 140F-degrees for chemical sanitizing and 160F-degrees for hot water sanitizing. If tank temperatures are low, increase by adjusting the heater thermostat located behind the wash motor.* Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 13 Pump filter and drain plug, note O-ring seal HT-25 WASH ARM BEARING REPLACEMENT OR CLEANING Remove 4 screws and lift top shell Remove top shell, exposing top bearing race Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 14 Tab on endcap bent inward, causing loose fit Straighten tab in line with the coin edge to tighten APPENDIX 089-9336---HT-25 Parts Manual 089-9450---Wire diagram 089-9404---Service Manual 089-9433---Brochure 089-9370---Wall Chart 089-9417---Spec Sheet 089-9378---Installation Manual HT-25 (4-wire) Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 15 34.4a 3-ph 8kW 208v 200 volts 7.4 kW 21.4a 3-ph (391-9001) 208 volts 8.0 kW 22.2a 3-ph 220 volts 8.9 kW 23.4a 3-ph 240 volts 10.6 kW 25.5a 3-ph Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 16 Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 17 It is not to be used in residential installations of any kind. Doing so will immediately void all warranties. American Dish Service assumes no liability for unintended uses. such Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 18 FOR PARTS & SERVICE MANUALS GO TO www.americandish.com Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 19 ______Make sure door moves up and down smoothly and ______Rinse jets are set to correct fan pattern ______End caps close and open securely MODEL:__________________ MACHINE SERIAL NUMBER:______________ INSPECTORS NAME:____________________________________DATE:_________ Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...
  • Page 20 8min-9max psi upper base, rotation 60 rpm ______upper 10 seconds final rinse ______________sec. Final rinse 20 psi (adjust at pressure reg.) Rotation: 60 rpm (visually check) e. Check for leaks with machine running Copyright ADS Installation Manual Model HT-25 (4 wire), Revision 3.1, 6/14/2017...