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True TUR-24-A Service Manual

15 inch and 24 inch undercounter
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TRUE RESIDENTIAL
®
1 5 I N C H A N D 2 4 I N C H U N D E R C O U N T E R S E R V I C E M A N U A L
" A " A N D " B " R E V I S I O N S
P R E S E R V E T H E M O M E N T
®

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  • Page 1 TRUE RESIDENTIAL ® 1 5 I N C H A N D 2 4 I N C H U N D E R C O U N T E R S E R V I C E M A N U A L “...

  • Page 2: Table Of Contents

    TABLE OF CONTENT S IN T R O DU C T I O N 1 IN STA L L ATI O N CHECK L IST S A FE T Y PREC AUTIO N S / DATA TAG INFO RM ATIO N D E PA RTME NT C O NTACT INFO RM ATIO N E L ECTRI C A L SPECIFIC ATIO N S DUA L ZO NE H O ME A L A RM SYSTE M...
  • Page 3 CON TAC T INF OR M AT ION TRUE RESIDENTIAL ®...

  • Page 4: In T Roduc T Ion

    1 - 22 IN T RODUC T ION n s t a l l a t I o n h e C k l I s t a f e t y r e C a u t I o n s a t a n f o r m a t I o n e P a r t m e n t...
  • Page 5 Is the unit operating properly? If not, is the unit plugged in? Is the breaker on? Is the display illuminated and say “off”? For all control operations and sequences please refer to “user interface commands on True Precision control” section in the table of contents per the model of the unit you are installing.
  • Page 6 SAFE T Y PREC AU TIONS • This refrigerator must be properly installed and located in accordance with the installation instructions before it is used. • Do not allow children to climb, stand or hang on the shelves in the refrigerator. They could damage the refrigerator and seriously injure themselves.
  • Page 7 DEPARTMENT CONTAC T INFORM ATION TRUE-RESIDENTIAL.COM /SUPPORT SERVICE DEPARTMENT – SUPPORTS AND TRAINS FIELD SERVICE PROVIDERS ON TRUE RESIDENTIAL EQUIPMENT HELPS TROUBLESHOOT AND REPAIR SERVICE ISSUES IN THE FIELD ON TRUE RESIDENTIAL PRODUCTS Residential Phone Number : 844-746-9423 Fax : 636-980-8510 Email : TrueResidentialService@truemfg.com...
  • Page 8 THANK YOU FOR YOUR PURCHA SE...
  • Page 9 ELEC TRIC AL SPECIFIC ATIONS Do not, under any circumstances, cut or remove the third (ground) prong from the power cord. For personal safety, this appliance must be properly grounded. To minimize the depth of the cutout opening, the electrical outlet must be positioned as shown below. Outlet must be flush with wall.
  • Page 10 C AU T ION: A N Y UNU SED T ER MIN A L S SHOUL D BE F UL LY IN SUL AT ED A ND A L L W IR E S SHOUL D BE SECUR ED AWAY F R OM MO V ING PA R T S A ND SH A R P ED G E S. TRUE RESIDENTIAL ®...

  • Page 11: Uncr Ating

    UNCR ATING Required Tools: INSPECT FOR CONCEALED DAMAGE. • Cutting utensil (utility knife) IMMEDIATELY FILE A CLAIM WITH THE FREIGHT • CARRIER IF THERE IS DAMAGE. Claw hammer or tin snips The following procedure is recommended for uncrating the unit: MOVE YOUR UNIT AS CLOSE TO THE FINAL LOCATION AS POSSIBLE BEFORE REMOVING THE WOODEN SKID.
  • Page 12 LE VELING THE UNIT NOTE: PROPER LEVELING OF YOUR TRUE UNIT IS CRITICAL TO OPERATING SUCCESS. EFFECTIVE CONDENSATE REMOVAL AND DOOR OPERATION WILL BE EFFECTED BY LEVELING. S T EP 1 - Move the unit near the final location. S T EP 2 - Level your unit from the interior floor front to back and side to side with a level.
  • Page 13 TRUE RESIDENTIAL ® *211354* 3.23.17 AC ANTI-TIP BRACKET INSTALLATION PRODUCT ADVISEMENT KIT INCLUDES TOOLS REQUIRED • 2 Anti-tip brackets • Power drill • 4 Concrete screws (blue) • Measuring Tape • 4 Wood screws (brass) IMPORTANT! ALL FREE STANDING DRAWER (TUR-24D) OR STACKED UNITS MUST HAVE ANTI-TIP BRACKETS INSTALLED.
  • Page 14 TRUE RESIDENTIAL ® *211354* 3.23.17 AC ANTI-TIP BRACKET INSTALLATION PRODUCT ADVISEMENT STEP 2 To mount the anti-tip bracket to wood floor, drill pilot holes for each of the bracket holes. To mount the anti-tip bracket to concrete or ceramic floor use a masonry bit to drill pilot holes.
  • Page 15 DOOR STOP INSTALLATION INSTRUCTIONS FOR STAINLESS STEEL MODELS ALL UNITS ARE PROVIDED WITH AN OPTIONAL DOOR STOP. WHEN INSTALLED, THE DOOR STOP WILL PREVENT DAMAGE TO SURROUNDING CABINETS BY RESTRICTING THE DOOR FROM OPENING PAST APPROXIMATELY 120º WITH A STANDARD HINGE OR 90º WITH AN 90º HINGE (OPTIONAL). Hinge Door stop Door...
  • Page 16 Remove 2 3/8" bolts to detach 120º door hinge (standard). STEP 3 Slowly remove door from unit by sliding down from top hinge. STEP 4 Install door stop using screws already installed. Reinstall door by sliding up into top hinge. TRUE RESIDENTIAL ®...
  • Page 17 (OPTIONAL) 90° HINGE INSTALLATION INSTRUCTIONS FOR STAINLESS STEEL MODELS STEP 5 Install 90º hinge with the 2 3/8" bolts that you removed. Note: Do not tighten screws all the way until door adjustments have been made. STEP 6 Align door with lock latch and light switch. Tighten screws.

  • Page 18: D R Aw Er D Epth Adjustme Nt S

    To bring the drawer out to the front of the unit, pull the drawer out where the tab is seated towards the rear of the unit. See Image 2. STEP 3 Hold drawer position and tighten screws. TRUE RESIDENTIAL ®...
  • Page 19 Hold adjustment in place and re tighten the screws back down. F IGUR E 1. DR AWER G LIDE S ON TRUE DR AWER REFRIG ER ATORS AD JUS TMENT S T EP 1 - Remove screws (one on each side) on top of drawers at front.

  • Page 20: Door Removal

    See image 3. S T EP 6 - Reinstall door by reversing sequence. TRUE RESIDENTIAL ®...

  • Page 21: S Tainle Ss S Teel & S Tainle Ss G L A Ss Door Adjus Tment S

    S TAINLE SS S TEEL & S TAINLE SS G L A SS DOOR ADJUS TMENT S ALL VERSIONS PLEASE NOTE: DOOR HINGING ON TRUE PRODUCTS ARE NOT INTERCHANGEABLE. IT IS NEVER RECOMMEND TO ATTEMPT MOVING DOOR HINGING TO THE OPPOSITE SIDE THE UNIT WAS BUILT WITH. THIS MAY CAUSE SERIOUS DAMAGE AND HARM.
  • Page 22 OVERL AY PANEL & OVERL AY PANEL G L A SS D OOR AD JUS TMENT S PLEASE NOTE: DOOR HINGING ON TRUE PRODUCTS ARE NOT INTERCHANGEABLE. IT IS NEVER RECOMMEND TO ATTEMPT MOVING DOOR HINGING TO THE OPPOSITE SIDE THE UNIT WAS BUILT WITH. THIS MAY CAUSE SERIOUS DAMAGE AND HARM.

  • Page 23: W Ine Shelv In G Adjustment S / Gl A S S She Lv In G Adjustment

    SID E O F T HE C A BINE T A S T HE D O O R HING E . WINE SHELVING AD JUS TMENT W HEN R EIN S TA L L ING T HE W INE R A CK , BE The glide out wine shelves in TBC, TWC and TWZ-DZ SUR E T H AT T HE B A CK O F T HE R A CK HO O K S models consist of 3 pieces.

  • Page 24: L E D L Ightin

    LED LIG HTING • The lighting in all True Residential Undercounter Models is an LED module system. ® • Each compartment has 1 or 2 LED modules that are powered by a driver. • The modules have an IC chip in them to change their color. A short power interruption is the trigger to change the color.

  • Page 25: Stack In G K

    TRUE RESIDENTIAL ® *981897* 4.10.17 AC STACKING KIT INSTRUCTIONS PRODUCT ADVISEMENT KIT INCLUDES TOOLS REQUIRED • • (1) Louver grill. Note: A version models will use 5/16-inch socket and ratchet • clips to mount the grill. B version models will Level •...
  • Page 26 TRUE RESIDENTIAL ® *981897* 4.10.17 AC STACKING KIT INSTRUCTIONS PRODUCT ADVISEMENT STEP 3 Level the upper and lower unit front to back and left to right by placing a small level on the interior floor. See Image 2. STEP 4 Now tighten all (4) 5/16-inch screws to secure the brackets to the units.

  • Page 27: T Echnica L Data

    23 - 44 T ECHNICA L DATA o f t w a r e n f o r m a t I o n a n D t a r t o D e e q u e n C e o f P e r a t I o n s e r n t e r f a C e...
  • Page 28 MODEL SIZE HINGE DOOR EDITION º T W C 2 4 D Z º TRUE WINE 24” HINGED ON LEFT STAINLESS CABINET DUAL ZONE HANDLE ON RIGHT GLASS 2) Software Code: 73 (does not apply to ice machine or uprights) •...
  • Page 29 SEQUENCE OF OPER ATION The operating system consist of these components. E L E C T R O NI C C O N T R O L B O A R D – Main control of the entire unit’s functionality. The control board is located in the interior ceiling for all models except (TUF &...
  • Page 30 K E Y L CD R E A DOU T S DESCR IP T ION USER INTERFACE COMM ANDS ON TRUE PRECISION CONTROL ® C OMBIN AT IONS º Code is displayed for 45 seconds when power is Software Version K E Y º...

  • Page 31: Defrost

    º Sets Sabbath mode – Star K certified. Kosher Press to display set point. Lock / Unlock Keypad. º º º USER INTERFACE COMM ANDS ON TRUE PRECISION CONTROL ® compliant. Sabbath Mode Set Point Lock Displays set point. Press to decrease set point.
  • Page 32 DEFROS T SEQUENCE OF OPER ATION 206582 1) 7-minute anti-short cycle has elapsed. TRUE RESIDENTIAL ® 08.10.17 SB 2) Compartment probe reaches the cut-in point. CONTROL COMMANDS “B” R evision ontRol oARd tUF-24 3) Control board checks the evaporator coil temperature probe. If the evaporator coil probe is below 38ºF  the evaporator fan will start and run while the compressor and condenser fan remain off.
  • Page 33 E VAP OR ATOR COVER REMOVAL A VERSION • Remove all shelves from the unit. • Remove two Phillips screws on upper part of evaporator cover. • Slide cover down and out. 15 & 24 INCH SERVICE MANUAL...
  • Page 34 Loosening the shelf standard may be necessary if lifting wasn’t successful. Remove the top gray cap and loosen the screw, do not remove the screw. See Picture 3. P IC T UR E 1 P IC T UR E 2 P IC T UR E 3 TRUE RESIDENTIAL ®...
  • Page 35 E VAP OR ATOR SEC TION L AYOUT A VERSION EVAPORATOR FAN MOTOR AND BLADE COMPARTMENT PROBE (2 BLUE STRIPES) EVAPORATOR PROBE (1 BLUE STRIPE) EVAPORATOR COIL 15 & 24 INCH SERVICE MANUAL...

  • Page 36: Probe Value

    32 ° 32 .6K 41° 25 . 3K 50 ° 19.9K 120V AC 59 ° 1 5 .7K 68 ° 1 2 . 5K 7 7 ° 86° 95° 6 . 5K 104° 5 . 3K 12V DC TRUE RESIDENTIAL ®...
  • Page 37 964208 TRUE RESIDENTIAL TRUE RESIDENTIA ® CONTROL BOARD REPL ACEMENT & MODEL SELEC T SEQUENCE OF OPER ATION 11.17.16 • SB Control Board Replacement & Model Select Sequence of Operation The control is located in the interior ceiling on single zone models (see images A & B).

  • Page 38: W Irin G Diagr Am

    WIRING DIAG R A M PART NUMBER 958860 TRUE UNDERCOUNTER DR AWERED UNIT WIRING DIAGRAM “A” VERSION RESIDENTIAL UNDERCOUNTER 24D P/N 958860 EXTRENAL DISPLAY ORANGE F ° ENERGY C ° MODE LIGHT ALARM SA VER YELLOW BLACK DISPLAY BOARD BLACK...
  • Page 39 WIRING DIAG R A M PART NUMBER 958860 TRUE UNDERCOUNTER DR AWERED UNIT LOW VOLTAGE “A” VERSION LOW VOLTAGE LOW VOLTAGE BLUE STRIPE X 1 PROBE EVAP BLUE STRIPE X 1 PROBE CAB BLUE STRIPE X 2 PROBE EVAP YELLOW...
  • Page 40 WIRING DIAG R A M PART NUMBER 957875 TRUE 24” UNDERCOUNTER MODEL S “A” VERSION ORANGE F ° YELLOW C ° MODE LIGHT COLOR ALARM BLACK DISPLAY BOARD BLACK BLACK BLACK WHITE LED DRIVER BLACK SMOOTH RIBBED GREEN EVAP FAN MOTOR...
  • Page 41 WIRING DIAG R A M PART NUMBER 956598 TRUE 1 5” UNDERCOUNTER MODEL S “A” VERSION WHITE F ° BLACK C ° LIGHT GREEN DISPLAY BOARD BLACK WHITE LED DRIVER BLACK SMOOTH RIBBED GREEN EVAP FAN MOTOR BLUE STRIPE X 1...
  • Page 42 WIRING DIAG R A M PART NUMBER 956598 TRUE 1 5” UNDERCOUNTER MODEL S “A” VERSION LOW VOLTAGE LOW VOLTAGE BLACK BLUE STRIPE X 1 PROBE EVAP PROBE CAB BLUE STRIPE X 2 WHITE YELLOW HI G H VOLTAGE HIGH VOLTAGE...
  • Page 43 WIRING DIAG R A M PART NUMBER 98290 0 TRUE UNDERCOUNTER DR AWERED UNIT “ B” VERSION ORANGE F ° ° YELLOW BLACK BLACK BLACK BLACK WHITE BLUE BLACK GRAY BLUE WHITE GREEN BROWN BLACK GREEN GREEN 15 & 24 INCH SERVICE MANUAL...
  • Page 44 WIRING DIAG R A M PART NUMBER 980395 TRUE 24” UNDERCOUNTER MODEL S “ B” VERSION ORANGE F ° ° YELLOW BLACK BLACK BLACK BLACK WHITE BLUE BLACK GRAY BLUE WHITE GREEN BROWN BLACK GREEN GREEN TRUE RESIDENTIAL ®...
  • Page 45 WIRING DIAG R A M PART NUMBER 982979 TRUE 1 5” UNDERCOUNTER MODEL S “ B” VERSION ORANGE F ° ° YELLOW BLACK BLACK WHITE BLUE BLACK GRAY BLUE WHITE WHITE RED GREEN BROWN WHITE BLUE ORANGE GREEN WHITE BLUE...
  • Page 46 WIRING DIAG R A M PART NUMBER 95261 2 TRUE 24” DUAL ZONE WINE C ABINE T “A” VERSION LOW VOLTAGE BLACK BLACK PROBE EVAP Z2 BLACK STRIPE X 2 PROBE EVAP Z1 BLUE STRIPE X 2 PROBE COMPT Z2...
  • Page 47 WIRING DIAG R A M PART NUMBER 982539 TRUE 24” DUAL ZONE WINE C ABINE T “ B” VERSION F ° F ° ° ° BROWN BLUE BL CK BLUE BL CK BROWN GREEN 15 & 24 INCH SERVICE MANUAL...
  • Page 48 WIRING DIAG R A M PART NUMBER 988399 TRUE 24” FREEZER “ B” VERSION GREEN/YELLOW BLACK WHITE WHITE GRAY GRAY WHITE WHITE WHITE GRAY BLACK BLACK COIL HEATER WHITE WHITE DRAIN BLACK PINK BLACK HEATER BLUE BLUE 3967 - 4849...

  • Page 49: T Y Pe S O F C O Mpre S S O Rs A Nd Specific Atio N S

    45 - 49 COMP R ES SOR INF OR M AT ION y P e s o f o m P r e s s o r s a n D P e C I f I C a t I o n s a r I a B l e P e e D o m P r e s s o r...
  • Page 50 16.07 (Ω at 77°F) +/- 8% Run Winding Resistance 9.25 (Ω at 77°F) +/- 8% 5.42 (Ω at 77°F) +/- 8% 16.07 (Ω at 77°F) +/- 8% Locked Rotor Amperage 5.22A 8.0A Full Load Amperage .86A 1.34A TRUE RESIDENTIAL ®...
  • Page 51 VARIABLE SPEED COMPRESSOR DIAG NOSIS (SOME MODEL S) 16Ω 150 VAC. Example A Example B The variable speed compressor is comprised of two components: The inverter board. The compressor. The compressor speed board is supplied power from the AC line cord. This AC power is converted to DC power on the board.
  • Page 52 N O T E: P R I O R T O C O ND EMIN G T HE IN V E R T E R B O A R D. O HM T H E C O MP R E S S O R O U T T O M A K E SU R E I T ' S N O T SH O R T E D T O G R O UN D N O R H A S A N O P EN W IND IN G . TRUE RESIDENTIAL ®...
  • Page 53 COMPRESSOR COMPARTMENT L AYOUT “A” V ERSION A. Inverter Board B. Condenser Fan Motor C. Low Side Process Tube D. High Side Process Tube E. Cap Tube “ B” V ERSION A. Condenser Motor B. Start Components C. High Side Process Tube D.

  • Page 54: Se A L E D Sy S T

    & r r o u B l e s h o o t I n g e P a I r s e P l a C e m e n t TRUE RESIDENTIAL ®...
  • Page 55 GOOD REFRIG ER ATION PR AC TICES G O O D R E F R I G E R AT I O N P R A C T I C E S W IL L A LWAY S S TA R T W I T H G O O D D E T E C T I V E W O R K T O F IN D O U T W H AT C AU SE D T H E FA IL UR E S O W E C A N E L IMIN AT E T H E P O S SIBIL I T Y O F A R EP E AT FA IL U R E .
  • Page 56 A F T E R T HE SY S T EM I S R E CH A R G E D B O T H A C C E S S F I T T IN G S MU S T B E R EM O V E D. TRUE RESIDENTIAL...
  • Page 57 REPL ACING THE COMPRESSOR Tape front door closed. Lean front of cabinet against wall or something as stable. Cover front of cabinet to keep from damaging wall or cabinet. Remove rear cover. Rest unit against the wall and remove the back and bottom of the unit.
  • Page 58 True Manufacturing recommends to leak check a unit by using a trace amount of refrigerant and charging the system with nitrogen to 200 psi (not to exceed 220). If leak is not located by this method, then True Manufacturing recommends that the low side be separated by the high side. Charge both sections with nitrogen at 200 psi and see which side does not hold.

  • Page 59: M A In T En A N C

    55 - 58 M A IN T EN A NCE t a I n l e s s t e e l a r e l e a n I n g a s k e t l e a n I n g e n e r a l a I n t e n a n C e a r r a n t y...
  • Page 60 Benefit, Super Sheen, Sheila Shine are good for 7. HYDROCHLORIC ACID (MURIATIC ACID) SHOULD NEVER BE USED ON STAINLESS STEEL restoration / passivation. 8. REGULARLY RESTORE/PASSIVATE STAINLESS STEEL TRUE RESIDENTIAL ®...
  • Page 61 G A SKE T CLE ANING CLEAN THE DOOR GASKET BY FOLLOWING THESE STEPS: 1. Turn the unit off. 2. Use a mild detergent and water with a soft cloth. Water and baking soda paste may be used to remove tough stains.
  • Page 62 THREE-YEAR PARTS & LABOR WARRANTY *For units purchased after Feb 1, 2013. TRUE warrants to the original purchaser of every new TRUE refrigerated unit, the cabinet and all parts thereof, to be free from defects in material or workmanship under normal and proper use and maintenance as specified by TRUE and upon proper installation and start-up in accordance with the instruction packet supplied with each TRUE unit.
  • Page 64 CONTACT US w w w.t r ue -r e siden tial.com (6 36)24 0 -24 0 0 • toll free (8 8 8)616 - 878 3 SD • 12-18 • MISC_2175...

This manual is also suitable for:

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