Hussmann RDI-27 Installation & Operation Manual
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Hussmann RDI-27 Installation & Operation Manual

Hussmann RDI-27 Installation & Operation Manual

Refrigerated drop in display
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/CHINO
Installation
& Operation
RDI
Manual
REFRIGERATED DROP IN DISPLAY
REV. 0913

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Summary of Contents for Hussmann RDI-27

  • Page 1 /CHINO Installation & Operation Manual REFRIGERATED DROP IN DISPLAY REV. 0913...

  • Page 2: Table Of Contents

    Appendices ..............25 The serial number and shipping date of all equipment Appendix A. - Temperature Guidelines ........25 has been recorded in Hussmann’s fi les for warranty and Appendix B. - Application Recommendations ......25 replacement part purposes. All correspondence pertaining Appendix C.

  • Page 3: Cut & Plan Views

    Discharge (for Pans) Discharge (for Pans) " cut out (29 " single well) " cut out (22 " single well) RDI-27 RDI-20 Self-Service – 2-10 Wells Self-Service – 2-10 wells Scale = 1" Scale = 1" " Trim 20" PAN + 1/3 PAN 20"...

  • Page 4: Opening Dimensions

    Opening Dimensions Well Dimensions 20" Front to Back 1 well 2 or more wells fl ange 23 7/8" 25 1/8" cutout 22 1/2" 23 3/4" Side to Side length 1 wells 2 wells 3 wells 4 wells 5 wells 6 wells 7 wells 8 wells 9 wells...

  • Page 5: Plumbing

    Installation (Cont’d) All cases were leveled and joined prior to shipment to insure the closest possible fi t when cases are joined in the fi eld. When joining, use a carpenters level and shim legs accordingly. Case must be raised correctly, under legs where support is best, to prevent damage to case.

  • Page 6: Refrigeration

    Refrigeration Refrigerant Type Access to TX Valves and Drain Lines The standard refrigerant will be R-22 unless other wise MECHANICAL - Remove product from end of case. specifi ed on the customer order. Check the serial plate on Remove product racks. Remove refrigeration and drain the case for information.

  • Page 7: Spec Sheets

    Spec Sheets REFRIGERATED DROP-IN, REMOTE & SELF-CONTAINED REVISION DATE 08/22/18 HUSSMANN - RDI-20" (CHINO) REFRIGERATION DATA: CAPACITY *** EST. REFG. TEMPERATURE (ºF) (BTU/HR/WELL) VELOCITY WELLS CHRG. DROP RATING DISCHARGE AIR (FT/MIN) (LBS) EVAPORATOR NUMBER OF WELLS CASE USAGE CONDITION ** (°F)

  • Page 10: Electrical

    Hussmann cases were not designed to “heat up” or “cool down” product-but rather to maintain an item’s proper temperature for maximum shelf life. To achieve the protection required always: 1.

  • Page 11: Important Steps

    3. Apply the sanitizing solution according to the manufacturer’s directions. Maintenance Copper Coils The copper coils used in Hussmann merchandisers may be repaired in the fi eld. Materials are available from local refrigeration wholesalers. Hussmann recommends using #15 Sil-Fos for repairs.

  • Page 12: Stainless Steel Cleaning And Care

    Maintenance (Cont'd) 2. Clean With the Polish Lines Some stainless steels come with visible polishing lines or “grain”. When visible lines are present, you should ALWAYS scrub in a motion that is parallel to them. When the grain cannot be seen, play it safe and use a soft cloth or plastic scouring pad.
  • Page 13 Maintenance (Cont'd) Grille Cleaning Instructions The following instructions will demonstrate step by step Step 5: Disengage Discharge Air Grille from resting hooks on how to properly remove and clean the following upward. components: • Discharge Air Grille • Return Air Grille •...

  • Page 14: Electrical Wiring Diagrams

    Electrical Wiring Diagrams 1 or 2 Pans, 1/4 HP-115V W2100001 Remote or S/Contained 3 or 4 Pans, 1/4 HP-115V W2100002 5 or 6 Pans, 1/4 HP-115V W2100003 7 or 8 Pans, 1/3 HP-115V W2100004 11 Pans, 3/4 HP-230V W2100006 RDI-20-3 WELL SC 3041786 RDI-20-4 WELL SC 3041705...

  • Page 15: Wiring Diagrams

    ~115V - .52A ~115V - .25A Compressor Motor 1/4 H.P - 115V / 9.2A Note: lamp length may very. case must be grounded. Revisions: Hussmann Corporation Project Title: Drawing No.: ® Drawn By: Boris Kasrel No. Description: 13770 Ramona Avenue...
  • Page 16 ~115V - .25A Compressor Motor 1/4 H.P - 115V / 9.2A Note: lamp length and ballast may very; case must be grounded. Revisions: Project Title: Hussmann Corporation Drawing No.: Drawn By: ® Boris Kasrel No. Description: Date: 13770 Ramona Avenue 3 or 4 Pan Self-Contained Cold Food/Deli Display W2100002.dft...
  • Page 17 Compressor Motor 1/4 H.P - 115V / 9.2A Note: lamp length and ballast may very; case must be grounded. Revisions: Drawing No.: ® Hussmann Corporation Project Title: 5 Pan Self-Service Cold Food/Deli Display Drawn By: Boris Kasrel No. Description: Date:...
  • Page 18 ~115V - 1.1A Compressor Motor 1/3 H.P. - 115V / 11.9A Note:case must be grounded. Condensing Unit for Self-Contained Counters only Revisions: Hussmann Corporation Custom 7 Pan Service Cold Food/Deli Display Drawing No.: Project Title: ® Drawn By: Boris Kasrel No.
  • Page 19 ~115 VAC - 1Ø - 60 Hz. PAGE 1 OF 1 REVISIONS: DRAWN BY: D.QUAN PROJECT TITLE: DWG #: W2100006 RDI-20-2WELL-SC DATE: DATE: 07/25/06 884961 DRAWING TITLE: PRODUCTION ORDER #: HUSSMANN CORPORATION 13770 RAMONA AVENUE FILE LOCATION: RDI-20-2WELL-SC CHINO, CA.91710 \ENG\WIRESCHEMATICS\NEW-WIRING PAGE (909) 590-4910 LIC.#: 644406...
  • Page 20 $#!$ # % $ &' ' # $ $ #% $ !! * + # ,' !&'' & $ & AK-CC 210 ® ' ) $& $'!& '-$,#' 2 #, 2 $ & ,# % ## # /#0 #' &',! & ##' ! #! * # 3 4 4...
  • Page 21 $#!$ # % $ &' ' # $ $ #% $ !! * + # ,' !&'' & AK-CC 210 ® ' ) $& $'!& '-$,#' 2 '& ' 2 & $ ,# % ## # /#0 #' &',! & #$ '!'' #! * # 3 4 4...
  • Page 22 $#!$ # % $ $ & # $ & ( ! & #('& # $ ) ( #$ # &) ) # $ $ #% # ) , - # ') !( & AK-CC 210 ® ) + $& $)!& )($'#) 2 # $ '# % ## #...
  • Page 23 $#!$ # % $ &' ' # $ $ #% * + # # $ #& ,' !''' & AK-CC 210 ® ' ) $& $'!& '-$,#' 2 &! 2 # & /!0 #' ,# % ## #& #! * # $ &#&...
  • Page 24 $#!$ # % $ &' ' # $ $ #% * #' + , #& # $ #& -' !%'' & & AK-CC 210 ® ' ) $& $'!& '*$-#' 2 &! 2 # & /!0 #' -# % ## #& #! + # $ &#&...

  • Page 25: Appendices

    Appendices Appendix A. - Temperature Guidelines 1.3 A clogged waste outlet blocks refrigeration. The The refrigerators should be operated according to the installer is responsible for the proper installation manufacturer’s published engineering specifications of the system which dispenses condensate waste for entering air temperatures for specific equipment through an air gap into the building indirect waste applications.

  • Page 26: Appendix D. - Recommendations To User

    CONCLUSIONS - In the absence of any Appendix D. - Recommendations to user apparent undesirable conditions, the 1.0 Hussmann Corporation provides instructions and refrigerator should be judged to be operating recommendations for proper periodic cleaning. properly. If it is determined that such condition The user will be responsible for such cleaning, is undesirable, i.e., the product is above proper...
  • Page 27 Food store refrigerators are not food chillers nor can they reclaim quality lost through previous mishandling. For further technical information, please log on to http://www.hussmann.com/products/RDI.htm...

  • Page 28: Controller Parameters

    Controller Parameters " *& ) *&* $,+- &' $%& &' .)! &' " ()!("! " ()!("! " ()!("! ! ! " " ! ! " " &'()" + , -+ * ! ! . " # * ! ! . " # ) "...
  • Page 29 &* ) ") : " # " * ! ! ) * ! ' " "! ! . 9& @ ) * ! + /$ )" ' "! & ! . 9& @ ) * ! ! . 9& * " # ! .

  • Page 30: Controller Instructions

    User Guide Controller for temperature control AK-CC 210 ADAP-KOOL® Refrigeration control systems...
  • Page 31 Contents Introduction ....................... 2 Operation ......................18 Operation ......................3 Menu survey .....................20 Applications ....................... 6 Ordering ......................22 Survey of functions ..................8 Connections .....................23 Data ........................24 Introduction Application • The controller is used for temperature control refrigeration appliances in supermarkets •...

  • Page 32: Operation

    Operation Sensors Up to two thermostat sensors can be connected to the controller. The relevant application determines how. A sensor in the air before the evaporator: This connection is primarily used when control is based on area. A sensor in the air after the evaporator: This connection is primarily used when refrigeration is controlled and there is a risk of a too low temperature near the products.
  • Page 33 Digital inputs There are two digital inputs both of which can be used for the following functions: - Case cleaning - Door contact function with alarm - Starting a defrost - Coordinated defrost - Change-over between two temperature reference - Retransmission of a contact’s position via data communication Case cleaning function This function makes it easy to steer the refrigeration appliance through a cleaning phase.
  • Page 34 Coordinated defrost There are two ways in which coordinated defrost can be arranged. Either with wire connections between the controllers or via data communication Max. 15 Wire connections One of the controllers is de ned to be the controlling unit and a battery module may be tted in it so that the clock is ensured backup.

  • Page 35: Applications

    Applications S3 and S4 are temperature sensors. The application will deter- Here is a survey of the controller’s eld of application. mine whether either one or the other or both sensors are to be used. S3 is placed in the air ow before the evaporator. S4 after A setting will de ne the relay outputs so that the controller’s the evaporator.
  • Page 36 Refrigeration control with two compressors This group of applications can be used if the controller is to cut two compressors in and out. The functions can be compared with wiring diagrams 1 to 3, but instead of controlling fans the relay is here used for compressor The two compressors must be of the same size.

  • Page 37: Survey Of Functions

    Survey of functions Function Para- Parameter by operation via data meter communication Normal display Normally the temperature value from one of the two thermostat sensors S3 or S4 or a Display air (u56) mixture of the two measurements is displayed. In o17 the ratio is determined.
  • Page 38 Activation of reference displacement Th. o set When the function is changed to ON the thermostat reference will be displaced by the value in r40. Activation can also take place via input DI1 or DI2 (de ned in o02 or o37).
  • Page 39 Time delay for couplings of two compressors Step delay Settings indicate the time that has to elapse from the rst relay cuts in and until the next relay has to cut in. Reversed relay function for D01 Cmp relay NC 0: Normal function where the relay cuts in when refrigeration is demanded 1: Reversed function where the relay cuts out when refrigeration is demanded (this wiring produces the result that there will be refrigeration if the supply voltage to the...
  • Page 40 Drip-o time DripO time Here you set the time that is to elapse from a defrost and until the compressor is to start again. (The time when water drips o the evaporator). Delay of fan start after defrost FanStartDel Here you set the time that is to elapse from compressor start after a defrost and until the fan may start again.
  • Page 41 Fan stop temperature FanStopTemp. The function stops the fans in an error situation, so that they will not provide power to the appliance. If the defrost sensor registers a higher temperature than the one set here, the fans will be stopped. There will be re-start at 2 K below the setting. The function is not active during a defrost or start-up after a defrost.
  • Page 42 Digital input signal - DI1 DI 1 Con g. The controller has a digital input 1 which can be used for one of the following func- De nition takes place with the nu- tions: merical value shown to the left. O : The input is not used 1) Status display of a contact function (0 = o )
  • Page 43 Digital input signal - D2 DI2 con g. The controller has a digital input 2 which can be used for one of the following func- tions: O : The input is not used. 1) Status display of a contact function 2) Door function.
  • Page 44 Copy from the programming key This function downloads a set of settings earlier saved in the controller. Select the relevant number. All settings except for Application (o61) and Address (o03) will be copied. When copy- ing has started the display returns to o66. After two seconds you can move back into the menu again and check whether the copying was satisfactory.
  • Page 45 Fault message Alarms In an error situation the LED’s on the front will ash and the alarm relay will be acti- vated. If you push the top button in this situation you can see the alarm report in the display. If there are more keep on pushing to see them. There are two kinds of error reports - it can either be an alarm occurring during the daily operation, or there may be a defect in the installation.
  • Page 46 Operating status (Measurement) The controller goes through some regulating situations where it is just waiting for EKC State: the next point of the regulation. To make these “why is nothing happening” situations (Shown in all menu displays) visible, you can see an operating status on the display. Push brie y (1s) the upper but- ton.
  • Page 47 Operation Set temperature 1. Push the middle button until the temperature value is shown Display 2. Push the upper or the lower button and select the new value The values will be shown with three digits, and with a setting you 3.
  • Page 48 HACCP The readout of the various values in the HACCP function can take This function will follow the appliance temperature and sound an place with a long push on the middle button. alarm if the set temperature limit is exceeded. The alarm will come The readouts are, as follows: when the time delay has elapsed.
  • Page 49 Menu survey SW = 2.3x Parameters EL-diagram number (page 6) Min.- Max.- Factory Actual Function Codes value value setting setting Normal operation Temperature (set point) -50.0°C 50.0°C 2.0°C Thermostat Di erential 0.1 K 20.0K 2.0 K Max. limitation of setpoint setting -49.0°C 50°C 50.0°C...
  • Page 50 Input signal on DI1. Function: 0=not used. 1=status on DI1. 2=door function with alarm when open. 3=door alarm when open. 4=defrost start (pulse-signal). 5=ext.main switch. 6=night operation 7=change reference (activate r40). 8=alarm function when closed. 9=alarm function when open. 10=case cleaning (pulse signal). 11=forced cooling at hot gas defrost.
  • Page 51 Auxiliary table for settings Case Room (quick-setup) Defrost stop on Defrost stop Defrost stop on Defrost stop time on S5 time on S5 Preset settings (o62) Temperature (SP) 4°C 2°C -24°C 6°C 3°C -22°C Max. temp. setting (r02) 6°C 4°C -22°C 8°C 5°C...

  • Page 52: Connections

    Connections Relays The general uses are mentioned here. See also page 6 where the di erent applications are shown. DO1: Refrigeration. The relay will cut in when the controller de- mands refrigeration DO2: Defrost. The relay will cut in when defrost is in progress DO3: For either fans or refrigeration 2 Fans: The relay will cut in when the fans have to operate Refrigeration 2: The relay will cut in when refrigeration step 2...

  • Page 53: Data

    Data Supply voltage 230 V a.c. +10/-15 %. 2.5 VA, 50/60 Hz Pt 1000 or Sensors 3 pcs o PTC 1000 or either NTC-M2020 (5000 ohm / 25°C) Measuring range -60 to +99°C ±1 K below -35°C Controller ±0.5 K between -35 to +25°C Accuracy ±1 K above +25°C ±0.3 K at 0°C...
  • Page 54 August 31, 2018 This warning does not mean that Hussmann products will cause cancer or reproductive harm, or is in violation of any product-safety standards or requirements. As clarified by the California State government, Proposition 65 can be considered more of a ‘right to know’...
  • Page 55 Additional copies of this publication may be obtained by contacting: They can be found on a small metal plate on the unit. Hussmann® Chino Please note them below for future reference. 13770 Ramona Avenue • Chino, California 91710...

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