DIHR HT 12 Instruction For Installation And Maintenance

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

DIHR HT 12

Instructions for Installation and

Maintenance

COD.: 3100ET_I

Ed. 06 - 09/2018

Table of Contents

Need help?

Do you have a question about the HT 12 and is the answer not in the manual?

Questions and answers

Summary of Contents for DIHR HT 12

Page 1 DIHR HT 12 Instructions for Installation and Maintenance COD.: 3100ET_I Ed. 06 - 09/2018...
Page 2 Thank you for choosing our machine. The instructions for installation, maintenance and use found on the following pages have been prepared to ensure a long life and a perfect operation of your unit. Please, do follow the instructions carefully. We have designed and built this machine using the latest innovative technologies. Now you shall take good care of it.
Page 3: Table Of Contents
TRANSLATION OF THE ORIGINAL INSTRUCTIONS CONTENTS Page WARNINGS 1. MACHINE INSTALLATION 1.1 Serial number data 1.2 Receiving the machine 1.3 Storage 1.4 Machine equipment 1.5 Water connection 1.5.1 Water supply characteristics 1.6 Electrical connection 1.7 Ventilation 1.8 Steam evacuation 1.9 Positioning the machine 1.10 Rinse-aid dosing pump functioning 1.11 Thermostop Function 1.12 Heat Recovery system - installation (optional)
Page 4 6. MAINTENANCE 6.1 Routine maintenance 6.2 Extraordinary Maintenance – by qualiﬁ ed Service Personnel 7. SIGNALS AND ALARMS 7.1 Signals 7.2 Alarms 8. ENVIRONMENTAL ASPECTS 8.1 Packaging 8.2 Disposal 9. ECOLOGICAL ASPECTS 9.1 Recommendations for optimal use of energy, water and additives 10.
Page 5: Warnings
WARNINGS Please do not hand these instructions manual over to the end user. This manual should be kept available for the Installation/Service Personnel only. The dishwasher shall be installed in accordance with local codes, or in the absence of local codes, installed in accordance with the applicable requirements in the National Electrical Code, NFPA 70, Canadian Electrical Code (CEC), Part 1, CSA C22.1, and Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, NFPA 96.
Page 6 • Do not open the machine door when operating. After switching the machine oﬀ , wait for at least 15 seconds after the motors stop. WARNINGS: IT IS FORBIDDEN TO INSERT HANDS AND/OR TOUCH INTERNAL PART WHEN THE MACHINE IS OPERATING AND/OR AT THE END OF THE WASH CYCLE.
Page 7: Machine Installation
1. MACHINE INSTALLATION 1.1 Serial number data RoHS IPXX ° kcal Model FAMIGLIA PRODOTTO FAMILY PRODUCT FAMILLE DU PRODUIT FAMILIA PRODUCTO ANNO E=2010 - 2011 FAMILIE DES PRODUKTES YEAR F=2011 - 2012 Model DW XXXX ANNÉE G=2013 - 2014 AÑO FAMIGLIA PRODOTTO H=xxxx - xxxx JAHR...
Page 8: Receiving The Machine
1.2 Receiving the machine Before accepting the machine, verify that all the data on the data-plate corresponds to the required ones (as shown on par. 1.1) and to the ones of the available electrical supply. The machines must be handled strictly as shown in pict. 1 regarding the grip points indicated for lifting with a lift truck.
Page 9: Water Supply Characteristics
****The water supply temperature shall never exceed 150°F - 65°C. Connect the machine draining hose to the connection located low on the side (see pict. 3), making sure that the water ﬂ ows freely (giving, therefore, minimum slope). Should not be possible to drain the water at a level lower than the appliance outlet (see pict.
Page 10: Ventilation
A suitable omni-polar switch shall be installed and sized according to the actual absorption, in order to guarantee completely the disconnection from the power network. A fuse protection system with the characteristics shown on the data-plate shall be installed (or equivalent system). This switch shall be included in the power network solely and exclusively used for this purpose and installed in the immediate vicinity of the machine.
Page 11: Rinse-Aid Dosing Pump Functioning
1.10 Rinse-aid dosing pump functioning (pict. 7) Functioning: The dosing pump is powered by the pressure generated by the rinse pump, used to load a spring. The release of the spring generates the suction of the rinse-aid chemical from its container to the boiler.
Page 12 Lift the hood of the machine for about 4 inches (10 cm. - see pict. 10 - detail 1). Align the Heat Recovery unit above its ﬁ nal seat. (see pict. 10 - detail Lower the Heat Recovery unit until ﬁ rmly set in its seat (see pict. 10). pict.
Page 13: Detergent Dispenser Retrofit
pict. 13 Fasten the ring nut to the solenoid valve (see photo 3 - detail D) Reassemple the back-panel adding the 2 screws provided (M6 x 12mm) in the holes (see photo 2 - detail C - see pict. 13) Fittings provided 4 screws M6 x 12mm (DW11168) photo 3...
Page 14: Dispensing The Detergent
2.3 Dispensing the detergent The detergent dispenser capacity can be adjusted using a screwdriver as shown in pict. 15. Every (2 cm) of product drawn into the tube corresponds to cubic inches (0,25 cm³) equivalent to 0,01 oz (0.3 g - with a concentration of 0,70 oz/cubic inches - 1,2g/cm³).
Page 15: Language Selection
4.1.1 LANGUAGE Selection By the (decrease) key and the (increase) key, select the parameter LANGUAGE. Conﬁ rm the selection by pressing the Start A key. LANGUAGE Choose the desired language (ITALIAN, ENGLISH, FRENCH, GERMAN, SPANISH, ...) by using the (decrease) key and (decrease) key.
Page 16: Water Hardness Setting (Optional)
Set the desired wash temperature, by using the the (decrease) key and the (increase) key. Factory-set wash temperature: 160°F (71°C) The above indicated settings are valid for any cycle available on the machine. Conﬁ rm the selection by pressing the Start A key.
Page 17: Drain Pump - Activation
Set the desired function, by using the the (decrease) key and the (increase) key. It is possible to select one of the two following parameters: (activates the HOOD START) (deactivates the HOOD START) Conﬁ rm the selection by pressing the Start A key.
Page 18 The key Start A will remain red and keep ﬂ ashing till the end of the programming. factory code By using the keys (decrease) and (increase), insert the factory bar-code of the machine. Conﬁ rm the selection by pressing the Start A key.
Page 19: Drain Pump - Installation
4.3 DRAIN PUMP – Installation Electrical connection: Connect the drain pump cables to the numbered connections (2-11) predisposed in the wiring. Water connections: Standard Plus version + Drain Pump: A) Drain hose for condense water B) Drain hose C) Sleeve Ø 28 mm D) 3 ways connection Standard Plus version + Drain Pump + Heat Recovery system: A) Overﬂ...
Page 20: Operation
5. OPERATION 5.1 Machine start-up 5.1.1 Start-up • Check if the pump suction ﬁ lter is properly inserted in its seat in the wash-tank bottom (see pict. 17). This ﬁ lter must be cleaned every 20 wash-cycles or whenever necessary. DO NOT use the appliance without the ﬁ...
Page 21: Switching Off
• Close the hood: the wash cycle starts automatically. The button will light in blue. All wash-time long the display will read the wash-tank temperature and the boiler temperature. Below the temperatures indications line-bar is displayed to show the progression of the wash-cycle. 185°f 160°f ...
Page 22: Detergent Use
• Make sure all the crockery are in a stable position and that the hollow containers don't overturn (cups, glasses, bowls, etc.) . • Place in the rack all the hollow containers such as cups, glass, etc. upside-down. • Place the crockery with deep hollow with upper face downwards, so that water can ﬂ ow out. •...
Page 23: Nsf Hygiene Regulations
STAND-BY tank draining If you want to reﬁ ll the machine for a new cycle, see par. 5.1.2. The drain pump will operate also during the rinse cycle, to drain the water in excess from the wash tank. 5.6 NSF hygiene regulations •...
Page 24: Maintenance
6. MAINTENANCE 6.1 Routine maintenance WARNING: The machine is not protected against pressurized water jets. Do not use pressure cleaning system against the machine. It is recommended to contact the seller of chemicals for proper cleaning instructions, in order to have detailed indications on methods and products for the correct periodical machine sanitation.
Page 25: Extraordinary Maintenance - By Qualifi Ed Service Personnel
Push START button A; an automatic cycle of 30 seconds will start, after this the machine will be in STAND-BY mode. STAND-BY • Shut the water valve. • Turned oﬀ the machine by switching the main power switch OFF (see pict. 26). 6.2 Extraordinary Maintenance –...
Page 26 B1 BOILER FILLING FAIL.: Cause: The machine boiler ﬁ ll-up was not achieved in the maximum foreseen 5 min. time limit. BOILER FILLING FAIL. Check: 1. The correct water supply from the piping network. 2. If the solenoid-valve ﬁ lter is clogged. Clean the ﬁ lter if needed. 3.
Page 27 B5. BOILER OVERHEATING: Cause: The water temperature in the boiler exceeded 221°F (105°C). BOILER OVERHEATING Checks: 1. The boiler pressure-switch failed. Replace if needed. Before replacing the pressure-switch, drain the boiler completely. 2. Check the sensor integrity. Replace if needed. 3.
Page 28 E6. TANK DRAINING FAIL.: Cause: The draining of the wash-tank was not completed within the maximum foreseen time limit. TANK DRAINING FAIL. Checks: 1. Check if the overﬂ ow pipe has been removed. 2. Check if the drain pipe is clogged. 3.
Page 29: Environmental Aspects
8. ENVIRONMENTAL ASPECTS 8.1 Packaging Packaging is made of the following components: • a wooden pallet • a nylon sack (LDPE) • a multi-layer carton • polystyrene (PS) strips • polypropylene (PP) banding. All above materials, shall be disposed and treated in accordance with the Local Laws in force. 8.2 Disposal The machine must be disposed of according to current regulations: contact the Municipalized Firm responsible for collection of urban solid waste.
Page 30: Troubleshooting
10. TROUBLESHOOTING Type of Problem Possible Causes Cure The machine does not Main switch not ON. Turn switch ON. turn on. The machine does not Water valve shut. Open the hot and/or cold water valve. load water. Rinse area nozzles or solenoid- Clean the rinse arm nozzles, conductors and solenoid-valve valve ﬁ...