Installation/Operation Guide with Service Replacement Parts For machines built from 8.21.09 and above Eseries High Temperature Heat Recovery Unit Model: HRU 3765 Champion Blvd., Winston-Salem, NC 27105 336/661-1556 Fax: 336/661-1660 www.championindustries.com 2674 N. Service Road, Jordan Station Ontario, Canada L0R 1S0 905/562-4195 Fax: 905/562-4618 Issue Date: 2.18.11 Manual P/N 114819 rev.
For future reference, record your dishwasher information in the box below. Model Number__________________________ Serial Number_______________________ Voltage________________Hertz_____________ Phase__________________ Champion Service Agent __________________________________ Tel:______________________ Champion Parts Distributor _________________________________ Tel:______________________ ATTENTION: The dishwasher model no., serial no.
Revision History Revision History The revision history contains part number changes and instructions not available at the time of printing. We reserve the right to make any changes without notice and without incurring any liability by making these changes. Equipment owners may request a revised manual at no charge, by calling: 1 (800) 858-4477 in the U.S.A. or by calling 1 (800) 263-5798 in Canada. Revision Date Revised Pages Serial Number Effectivity Revision Description 8.6.
Limited Warranty LIMITED WARRANTY Champion Industries Inc. (herein referred to as Champion), 3765 Champion Blvd., Winston-Salem, North Carolina 27105, and P.O. Box 301, 2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below.
Table of Contents Table of Contents Model HRU: Heat Recovery Unit Revision History.................................................................................................................... i Limited Warranty................................................................................................................... ii Model Description.................................................................................................................. iv Installation ..........................
Model Description Model: HRU Heat Recovery Unit The HRU heats cold water supplied to the dishwasher's built-in heat exchanger which raises the incoming temperature to approximately 110°F/43°C. The preheated water is plumbed to the final rinse water booster which ensures a minimum final rinse water temperature of 180°F/82°C to sanitize the clean wares. The HRU significantly reduces the energy required to heat water for the final rinse operations.
Installation Installation Receiving NOTE: The installation of your Heat Recovery Unit (HRU) must be performed by qualified service personnel. Problems due to improper installation are not covered by the Warranty. The HRU may have be installed at the factory. Proceed to the operation section of this manual if your HRU is already attached to the machine. 1. Inspect the HRU for damage due to shipping. 2. Check for any accessories that may have shipped with your dishwasher. 3.
Installation Installation Receiving ! CAUTION: Metal edges in the HRU may be sharp. Use appropriate caution when working on and in the vicinity of metal components NOTE: The installation of the HRU must comply with local safety and health codes. 1. The HRU weighs approximately 175 lbs./79.4 Kg and mounts on the top of the unload end of the dishwasher. 2.
Installation Installation Mounting NOTE: The HRU may have been mounted at the factory so the procedures described below may not be required. 1. Install the HRU after the dishwasher is completely assembled. 2. Lift the unit with a forklift or a minimum of four persons capable of positioning and lowering the HRU into its final position. 3. Make sure the HRU vent inlet (A) is centered on the dishwasher. 4.
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Installation Installation Plumbing Connections Refer to the photograph below and follow the instructions to connect the water lines to the HRU. 1. Connect compression fittings from the cold water supply line located at the base of the dishwasher booster heater to the HRU. 2. Connect compression fittings from the HRU return line at the rear of the HRU to the booster inlet located at the base of the machine. 3.
Installation Installation Setting the Booster Pressure Reducing Valves (PRV's) Refer to the illustrations on the next two pages for the location of the water valves and the Green indicator lights. 1. Ensure that all utility connections are complete. 2. Remove the lower front panel of the unload section. 3. Remove the coil assembly (A) from the multi-rinse valve.
Installation Installation Setting the Booster Pressure Regulating Valves (PRV's) 1. Reinstall the main control cabinet cover. 2. Reinstall the coil assembly on the multi-rinse valve (A). 3. Open all drain valves and drain the dishwasher. 4. Turn the hot water supply ON. 5. Makes sure the main power supply is ON.
Installation Operation Indicator Lights Green Indicator Lights Green indicator lights inside the HRU control cabinet indicate the operation state of the valves during the set-up procedures. Refer to the set-up procedures on the previous two pages to set the pressure reducing valves. REHEAT FINAL In addition, the green lights will indicate the operation of the booster valves during normal operation.
Operation Operation NOTE: The operation of the HRU is automatically controlled by the dishwasher control circuit. The HRU has a control that is accessed only by a trained service technician. Refer to the illustration below to prepare the HRU for operation. 1. Open the top cover of the HRU and remove any foreign objects. (Refer to the cleaning section on the next page for detailed cleaning instructions. 2. Make sure the access cover is in place and secured by its retaining studs. 3.
Cleaning Cleaning CAUTION: Do not place objects on top of the condenser coil nor with the cleaning devices. Avoid the use of cleansers or other detergents to prevent damage to the top of the coil Refer to the illustration below. Monthly Cleaning Schedule: 1. Open the top cover over of the HRU. 2. Remove the front cover of the unit by sliding it up. 3. Remove the front access cover which is retained by three knurled thumbscrews. 4. Flush the top of the condenser coil with fresh water. 5.
Service Replacement Parts Service Replacement Parts Illustrations Page Heat Recovery Unit.............................................................................................................. Control Cabinet - Prior to S/N J11022850............................................................................ Control Cabinet Terminal Block - Prior to S/N J11022850.................................................... Control Cabinet - Beginning with S/N J11022850 and above............................
Heat Recovery Unit 34 1 55 16 52 45 32 33 21 3 18 15 35 20 5 40 41 43 44 2 42 16 38 17 56 37 1 22 21 22 13 24 23 46 19 4 6 36 26 12 30 11 10 51 53 14 31 49 9 6 54 26 50 48 7 28 27 59 29 58 28 60 27 64 37 27 47 57 25 26 8 35 39 64 61 65 26 62 66 63 12
Heat Recovery Unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 100097 0512027 100156 333557 100209 100735 100736 100738 101187-1 101187-2 101187-3 101187-4 101187-5 101187-6 101259 101502 102415 102504 102505 102514 102519 103418 104883 104971 106026 106482 107033 107136 107966 107967 109910 109924 109925 111561 113269 333556 114121 114335 114633 114646 114647 11
Control Cabinet - Prior to S/N J11022850 4 3 2 1 7 See next page 6 8 12 5 10 9 11 21 13 7 20 20 15 16 17 18 19 21 7 14 Prior to S/N J11022850 (Left to Right Direction Shown) 14 22 20
Prior to S/N J11022850 - Control Cabinet 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 --19 20 21 22 333305 106364 107966 333536 114661 113769 100095 114666 111068 111036 114662 100007 106396 333306 114655 111823 106402 107091 111521 100003 106482 100735 333307 CONTROL CABINET WELDMENT, HRU W/XFRM LIGHT, INDICATOR HEX GRIP NUT, 10-32 W/NYLON INSERT SST BRACKET, LIGHTS HRU CONTROL CABINET TIMER, FIXED 15 SECOND 120VAC DIN RAIL 35MM X 15MM SCREW, ROUND HD.
Control Cabinet Terminal Block - Prior to S/N J11022850 3 4 2 2 1 5 6 7 8 16 4 9
Prior to S/N J11022850 - Control Cabinet Terminal Block 1 2 3 4 5 6 7 8 9 114520 114512 114517 114519 114522 114518 114515 114516 114521 TERMINAL, SINGLE MZB 1.5-NS35 TERMINAL, SINGLE, ST 2.5 (GRAY) TERMINAL, DOUBLE STTB 2.5 END BLOCK, E/NS 35N BUS BAR 4-POLE (CUT TO FIT) END COVER, DOUBLE TERMINAL, D-STTB 2.5 TERMINAL, SINGLE GROUND, ST 2.5 PE (GREEN) END COVER, SINGLE TERMINAL D-ST 2.5 END COVER, SINGLE TERMINAL D-MZB 1.
Control Cabinet - Beginning with S/N J11022850 and above FILL REHEAT RINSE See next page for terminal block detail.
Beginning with S/N J11022850 and above - Control Cabinet 1 2 3 4 5 6 7 --8 9 10 11 12 13 14 15 16 17 18 19 20 100003 100095 100735 106396 106402 106482 107091 111521 111036 111068 111823 333307 114655 114662 114661 114666 114862 107966 333536 106364 113769 HEX PLAIN NUT, 1/4-20 SST SCREW, ROUND HD., 10-32 X 3/8" SST BOLT, HEX HD., 1/4-20 X 5/8" SST SCREW, TRUSS HD.
Control Cabinet Terminal Block - Beginning with S/N J11022850 and above 3 6 2 7 4 1 4 8 9 5 5 20
Beginning with S/N J11022850 and above - Control Cabinet Terminal Block 1 2 3 4 5 6 7 8 9 114520 114512 114517 114519 114522 114518 114515 114516 114521 TERMINAL, SINGLE MZB 1.5-NS35 TERMINAL, SINGLE, ST 2.5 (GRAY) TERMINAL, DOUBLE STTB 2.5 END BLOCK, E/NS 35N BUS BAR 10-POLE (CUT POLES TO FIT) END COVER, DOUBLE TERMINAL, D-STTB 2.5 TERMINAL, SINGLE GROUND, ST 2.5 PE (GREEN) END COVER, SINGLE TERMINAL D-ST 2.5 END COVER, SINGLE TERMINAL D-MZB 1.
HRU Electric Booster Assembly 26 To Final Rinse Hot PRV 11 27 To Tank Fill Hot Water In 19 To HRU 14 1 Cold PRV From HRU 16 Cold Water In 15 4 Control Thermostat High Limit Thermostat 24 7 8 13 6 2 20 25 17 18 22 23 12 9 21 10 3 22 5
HRU Electric Booster Assembly 1 100003 HEX PLAIN NUT 1/4-20 SST 11 2 100097 SCREW, TRUSS HD. 10-32 X 1/2” SST 2 3 100100 SCREW, ROUND HD., 8-32 X 1/4” SST 2 4 100113 CAP, 3/4” NPT SST 1 5 100154 HEX PLAIN NUT, 5/16-18 SST 6 6 100734 BOLT, HEX HD., 1/4-20 X 1/2” SST 2 7 100736 BOLT, HEX HD., 1/4-20 X 3/4” SST 2 8 100739 BOLT, HEX HD., 5/16-18 X 3/4” SST 2 9 100740 BOLT, HEX HD., 5/16-18 X 1” SST 4 10 102376 WASHER, FLAT 5/16-18 SST 4 11 102505 PLUG, 3/4” NPT SQ. HD.
HRU Electric Booster Piping A Hot PRV To Final Rinse B To HRU To Tank Fill Hot Water In C 3 Cold PRV 10 D 4 8 From HRU 2 B Cold Water In 2 18 1 2 12 3 7 3 2 2 2 17 10 13 10 9 A 6 5 5 11 C 2 3 4 4 19 9 9 6 3 1 5 14 2 3 5 2 2 15 2 D 4 3 2 3 24 16 9 4 8 10
HRU Electric Booster Piping 1 100184 NIPPLE, 3/4” NPT X CLOSE, BRASS 2 2 100209 NIPPLE, 1/2” NPT X CLOSE, BRASS 12 3 102438 ELBOW, STREET, 1/2” NPT X 90°, BRASS 8 4 102514 TEE, 1/2” NPT BRASS 5 5 102549 UNION, 1/2” NPT, BRASS 4 6 102392 BUSHING, REDUCING 3/4” NPT X 1/2” NPT, BRASS 2 7 109879 FITTING, COMP. 7/8” OD X 3/4” MPT, BRASS 1 8 108265 VALV, PRESSURE REGULATING, 1/2” NPT BRONZE 2 9 109925 FITTING, COMP.
HRU Steam Booster Assembly 9 12 4 2 5 11 2 6 1 8 10 6 5 7 1 3 26 8
HRU Steam Booster Assembly 1 100140 HEX PLAIN NUT, 3/8-16 SST 6 2 100153 BOLT, HEX HD. 3/8-16 X 1" SST 4 3 100154 HEX PLAIN NUT, 5/16-18 SST 2 4 100739 BOLT, HEX HD.
HRU Steam Booster Piping 28
HRU Steam Booster Piping 1 100123 PETCOCK, 1/4” FEMALE BRASS 1 2 100134 ELBOW, STREET, 1” NPT X 90° MI 2 3 100979 BUSHING, RED 1-1/2” NPT X 1” NPT BI 2 4 102288 ELBOW, 1/2” NPT X 90° MI 1 5 102402 BUSHING, RED. 3/4” NPT X 1/2” NPT BI 1 6 103465 BUSHING, RED.
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Electrical Schematics and Operation Logic Diagram One Line Piping Diagram Operation Logic Diagram and Electrical Schematic 31
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One Line Piping Diagram FROM MAIN CABINET MULTIRINSE HEADER MULTI-RINSE VALVE USED ON EEUC ONLY FAN 1 COLD WATER VALVE COLD WATER FAN 2 FINAL RINSE HEADER COIL TEMP BSTR COIL V1 INITIAL FILL VALVE V2 REHEAT RINSE VALVE V3 HOT WATER ONE LINE DIAGRAM FOR HEAT RECOVERY UNIT (HRU) MODELS - EUCC4, EUCC8, EUCC6, EEUCC8, EEUCC6, EEUCC4 33
Operation Logic Diagram HRU Logic Diagram 34 v.
Electrical Schematic 35
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