Thermo King Precedent S-750i Installation Manual
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Thermo King Precedent S-750i Installation Manual

Trailer edition single temperature systems
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Installation Manual
Trailer Edition
Precedent™ ™ S–750i
Single Temperature Systems
Rev. A
T T K K 5 5 7 7 0 0 7 7 3 3 - - 2 2 - - I I M M - - E E N N
April 2022

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  • Page 1 Installation Manual Trailer Edition Precedent™ ™ S–750i Single Temperature Systems Rev. A T T K K 5 5 7 7 0 0 7 7 3 3 - - 2 2 - - I I M M - - E E N N April 2022...

  • Page 2: I I N N S S T T A A L L L L I I N N G G U U F F L L S S H H A A R R N N E E S S S S - - T T R R A A I I L L E E R R A A P P P P L L I I C C A A T T I I O O N N S

    Introduction This manual was written to assist with the installation of the Thermo King Precedent S-750i refrigeration systems onto trailers specifically designed and built for refrigerated applications Due to its complexity, you should not attempt this installation unless you: •...

  • Page 3: Table Of Contents

    Table of Contents S S a a f f e e t t y y P P r r e e c c a a u u t t i i o o n n s s ................................5 5 Danger, Warning, Caution, and Notice .

  • Page 4: I I N N S S T T A A L L L L I I N N G G L L E E D D C C L L E E A A R R A A N N C C E E L L I I G G H H T T I I N N G G ( ( O O P P T T I I O O N N ) ) - - T T R R A A I I L L E E R R A A P P P P L L I I C C A A T T I I O O N N S

    T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s I I n n s s t t a a l l l l i i n n g g T T o o p p C C o o v v e e r r s s a a n n d d B B o o t t t t o o m m P P a a n n – – T T r r a a i i l l e e r r A A p p p p l l i i c c a a t t i i o o n n s s ..............3 3 7 7 I I n n s s t t a a l l l l i i n n g g t t h h e e S S o o l l a a r r P P a a n n e e l l .

  • Page 5: Danger, Warning, Caution, And Notice

    Safety Precautions Danger, Warning, Caution, and Notice Thermo King recommends that all service be performed by a Thermo King dealer and to be aware of several general safety practices. Safety advisories appear throughout this manual as required. Your personal safety and the proper installation of this unit depend upon the strict observance of these precautions.

  • Page 6: Battery Installation And Cable Routing

    S S a a f f e e t t y y P P r r e e c c a a u u t t i i o o n n s s D D A A N N G G E E R R R R i i s s k k o o f f I I n n j j u u r r y y ! ! K K e e e e p p y y o o u u r r h h a a n n d d s s , , c c l l o o t t h h i i n n g g , , a a n n d d t t o o o o l l s s c c l l e e a a r r o o f f f f a a n n s s a a n n d d / / o o r r b b e e l l t t s s w w h h e e n n w w o o r r k k i i n n g g o o n n a a u u n n i i t t t t h h a a t t i i s s r r u u n n n n i i n n g g o o r r w w h h e e n n o o p p e e n n i i n n g g o o r r c c l l o o s s i i n n g g c c o o m m p p r r e e s s s s o o r r s s e e r r v v i i c c e e v v a a l l v v e e s s .

  • Page 7: Refrigerant Hazards

    S S a a f f e e t t y y P P r r e e c c a a u u t t i i o o n n s s W W A A R R N N I I N N G G F F i i r r e e H H a a z z a a r r d d ! ! D D o o n n o o t t a a t t t t a a c c h h f f u u e e l l l l i i n n e e s s t t o o b b a a t t t t e e r r y y c c a a b b l l e e s s o o r r e e l l e e c c t t r r i i c c a a l l h h a a r r n n e e s s s s e e s s .

  • Page 8: First Aid

    S S a a f f e e t t y y P P r r e e c c a a u u t t i i o o n n s s First Aid R R E E F F R R I I G G E E R R A A N N T T •...

  • Page 9: Fuel Tank Mounting

    S S a a f f e e t t y y P P r r e e c c a a u u t t i i o o n n s s Fuel Tank Mounting D D A A N N G G E E R R R R i i s s k k o o f f I I n n j j u u r r y y ! ! A A n n i i m m p p r r o o p p e e r r l l y y i i n n s s t t a a l l l l e e d d f f u u e e l l t t a a n n k k c c o o u u l l d d l l e e a a d d t t o o s s e e r r i i o o u u s s i i n n j j u u r r y y o o r r d d e e a a t t h h .

  • Page 10: Swing Radius And King Pin Requirements

    Trailer Requirements Swing Radius and King Pin Requirements I I m m p p o o r r t t a a n n t t : : V V E E R R I I F F Y Y S S W W I I N N G G R R A A D D I I U U S S A A N N D D K K I I N N G G P P I I N N D D I I M M E E N N S S I I O O N N S S B B E E F F O O R R E E I I N N S S T T A A L L L L I I N N G G T T H H E E U U N N I I T T . . N N O O T T I I C C E E E E q q u u i i p p m m e e n n t t D D a a m m a a g g e e ! ! T T h h e e m m i i n n i i m m u u m m c c l l e e a a r r a a n n c c e e r r e e q q u u i i r r e e d d f f o o r r t t h h e e s s w w i i n n g g r r a a d d i i u u s s m m u u s s t t b b e e 1 1 3 3 0 0 6 6 .

  • Page 11: Evaporator Opening Requirements

    T T r r a a i i l l e e r r R R e e q q u u i i r r e e m m e e n n t t s s Evaporator Opening Requirements D D A A N N G G E E R R R R i i s s k k o o f f I I n n j j u u r r y y ! ! T T h h e e f f r r o o n n t t w w a a l l l l o o f f t t h h e e t t r r a a i i l l e e r r m m u u s s t t b b e e s s t t r r u u c c t t u u r r a a l l l l y y s s t t r r o o n n g g e e n n o o u u g g h h t t o o s s u u p p p p o o r r t t t t h h e e w w e e i i g g h h t t o o f f t t h h e e r r e e f f r r i i g g e e r r a a t t i i o o n n u u n n i i t t .

  • Page 12: Mounting Hardware Requirements

    T T r r a a i i l l e e r r R R e e q q u u i i r r e e m m e e n n t t s s Mounting Hardware Requirements Unit Mounting Bolts D D A A N N G G E E R R R R i i s s k k o o f f I I n n j j u u r r y y ! !
  • Page 13 T T r r a a i i l l e e r r R R e e q q u u i i r r e e m m e e n n t t s s Minimum 57.20 mm (2.25 in.) Maximum 69.85 mm...
  • Page 14 Unit Dimensions I I m m p p o o r r t t a a n n t t : : Adequate clearance must be provided to allow for routine service and maintenance of the Thermo King unit. Refer to the illustrations provided.
  • Page 15 U U n n i i t t D D i i m m e e n n s s i i o o n n s s TK 57073-2-IM-EN...
  • Page 16 U U n n i i t t D D i i m m e e n n s s i i o o n n s s PPER RILLE ADII R868.4 mm R868.4 mm (34.19 in.) (34.19 in.) & P OWER ANEL ADII...
  • Page 17 SmartPower (.626 in.) ON BACK PANEL receptacle 101.6 mm MINIMUM ALLOWABLE (4.0 in.) INSTALLATION DEPTH (Contact Minneapolis Thermo King Service 131.7 mm Department for installations that are less (5.19 in.) than this minimum depth) 206.1 mm EVAP DEPTH (8.11 in.)
  • Page 18 Unit Weight Approximate Weight S-750i 998 kg (2200 lbs.) TK 57073-2-IM-EN...
  • Page 19 The battery must be suitable for deep cycling, heavy duty and rated with a minimum of 95 amp/hr. N N o o t t e e : : See the following table for Thermo King approved batteries. BATTERY APPLICATION TABLE...
  • Page 20 Lifting Bar Dimensions W W A A R R N N I I N N G G R R i i s s k k o o f f I I n n j j u u r r y y ! ! T T h h e e r r m m o o K K i i n n g g r r e e q q u u i i r r e e s s a a 2 2 p p o o i i n n t t l l i i f f t t i i n n g g b b a a r r t t o o s s a a f f e e l l y y l l i i f f t t a a n n d d i i n n s s t t a a l l l l u u n n i i t t s s .
  • Page 21 Forged Eyebolts N N o o t t e e : : These instructions are provided for fabricating the lifting bar used to install Precedent units. Thermo King is not the manufacturer of the lifting bar and is not responsible for material used or failure of this lifting device.
  • Page 22 Required Tools for Installation 1. Safety Glasses 2. Drill 3. Drill Bits 4. Tape Measure 5. Mechanics Tools 6. Lifting Bar 7. Work Platform (Recommended) 8. Torque Wrench 9. Forged Eyebolts (5/8–11) N N o o t t e e : : Equipment such as scales, gauges, refrigerant leak detectors, and torque wrenches should be in good working condition and routinely calibrated to assure accurate readings.

  • Page 23: U U N N I I T T D D I I M M E E N N S S I I O O N N S

    Installation Components Unit Mounting Kit Shorepower Kit Drain Tube Kit Fuel Pump Kit Skin Mounting Kit Battery Mounting Kit Solar Panel Mounting Kit RCS1930 TK 57073-2-IM-EN...
  • Page 24 Unpacking Unit W W A A R R N N I I N N G G R R i i s s k k o o f f I I n n j j u u r r y y ! ! T T h h e e r r m m o o K K i i n n g g r r e e q q u u i i r r e e s s a a 2 2 p p o o i i n n t t l l i i f f t t i i n n g g b b a a r r t t o o s s a a f f e e l l y y l l i i f f t t a a n n d d i i n n s s t t a a l l l l u u n n i i t t s s .

  • Page 25: Unit Installation

    Installing Unit W W A A R R N N I I N N G G E E q q u u i i p p m m e e n n t t D D a a m m a a g g e e a a n n d d R R i i s s k k o o f f I I n n j j u u r r y y ! ! D D o o n n o o t t u u s s e e a a f f o o r r k k l l i i f f t t t t o o i i n n s s t t a a l l l l t t h h e e u u n n i i t t .
  • Page 26 I I n n s s t t a a l l l l i i n n g g U U n n i i t t RCS1922 TK 57073-2-IM-EN...
  • Page 27 Installing Drain Hoses and Coolant Overflow Hose – Trailer Applications N N o o t t e e : : Refer to the illustration provided. 1. Evaporator drain hoses should run straight down the trailer wall from each side of the unit with no kinks or bends. 2.

  • Page 28: Without Optional Fuel Heater

    Without Optional Fuel Heater I I m m p p o o r r t t a a n n t t : : Using the wrong fuel system fittings may void your engine warranty! All Thermo King supplied fuel line fittings (except fuel line connector) are nickel plated brass for Precedent units.
  • Page 29 I I n n s s t t a a l l l l i i n n g g F F u u e e l l L L i i n n e e s s Figure 1. S-750i Fuel Line Connections Without Fuel Heater Shown 3/8”...

  • Page 30: With Optional Fuel Heater

    With Optional Fuel Heater I I m m p p o o r r t t a a n n t t : : Using the wrong fuel system fittings may void your engine warranty! All Thermo King supplied fuel line fittings (except fuel line connector) are nickel plated brass for Precedent units.
  • Page 31 I I n n s s t t a a l l l l i i n n g g F F u u e e l l L L i i n n e e s s Figure 2. S-750i Fuel Line Connections With Fuel Heater Shown 3/8”...
  • Page 32 Installing UFLS Harness – Trailer Applications D D A A N N G G E E R R F F i i r r e e H H a a z z a a r r d d ! ! D D o o n n o o t t r r o o u u t t e e e e l l e e c c t t r r i i c c a a l l h h a a r r n n e e s s s s t t o o g g e e t t h h e e r r w w i i t t h h f f u u e e l l l l i i n n e e s s a a s s t t h h i i s s c c o o u u l l d d c c a a u u s s e e a a f f i i r r e e r r e e s s u u l l t t i i n n g g i i n n d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y .
  • Page 33 Installing SmartPower Receptacle — Trailer Applications P P o o w w e e r r R R e e c c e e p p t t a a c c l l e e I I n n s s t t a a l l l l a a t t i i o o n n D D A A N N G G E E R R H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e ! ! R R i i s s k k o o f f f f a a t t a a l l i i n n j j u u r r y y f f r r o o m m e e l l e e c c t t r r i i c c s s h h o o c c k k s s ! ! P P r r e e c c e e d d e e n n t t S S m m a a r r t t P P o o w w e e r r u u n n i i t t s s w w i i t t h h t t h h e e r r e e m m o o t t e e p p o o w w e e r r r r e e c c e e p p t t a a c c l l e e o o p p t t i i o o n n...
  • Page 34 Installing LED Clearance Lighting (Option) – Trailer Applications I I n n s s t t a a l l l l a a t t i i o o n n N N o o t t e e : : Refer to the illustration provided. Locate the following: •...
  • Page 35 . . N N o o t t e e : : Thermo King units are designed for one 12 volt, group 31 battery. The battery must be suitable for deep cycling, heavy duty, and rated with a minimum of 95 amp/hr.

  • Page 36: I I N N S S T T A A L L L L I I N N G G B B A A T T T T E E R R Y

    I I n n s s t t a a l l l l i i n n g g B B a a t t t t e e r r y y Roadside Door Roadside Panel RCS1925 TK 57073-2-IM-EN...
  • Page 37 Installing Top Covers and Bottom Pan – Trailer Applications I I m m p p o o r r t t a a n n t t F F a a i i r r i i n n g g I I n n f f o o r r m m a a t t i i o o n n N N o o t t e e : : The top fairing increase the height of the unit by approximately 76 mm (3.00 in.).
  • Page 38 I I n n s s t t a a l l l l i i n n g g T T o o p p C C o o v v e e r r s s a a n n d d B B o o t t t t o o m m P P a a n n – – T T r r a a i i l l e e r r A A p p p p l l i i c c a a t t i i o o n n s s Fairing Top Cover RCS1926...

  • Page 39: Solar Panel Installation

    Solar Panel Installation N N o o t t e e : : Precedent S-750i units include only the solar panel in a box, the battery harness is factory installed on the unit. 1. Locate the battery harness connector on top of unit behind coolant tank.

  • Page 40: High Voltage Safety Precautions

    V V O O L L T T A A G G E E . . High Voltage Components Various components on the Precedent S-750i unit operate using 460V/60Hz or 537V/70Hz high voltage depending on unit speed or if Shorepower is connected. These high voltage components are identified by warning nameplates.
  • Page 41 O O p p e e r r a a t t i i n n g g t t h h e e U U n n i i t t Figure 4. S-750i High Voltage Component Locations (Front) RCS1932 Condenser Motors StandBy Power Receptacle...
  • Page 42 Priming the Fuel Pump The fuel pump needs to be primed and the fuel system bled of air before the diesel engine can be started for the first time. 1. Enter the M M A A I I N N M M E E N N U U 2.

  • Page 43: Fuel Level (Guarded Access)

    Programming the Controller Fuel Level (Guarded Access) N N o o t t e e : : Changes to the Fuel Level are done through Guarded Access. 1. From the Standard Display, press the ACCEPT/ENTER center key. 2. Press and hold the top right and left soft keys at the same time for five seconds. Main Menu + will appear. 3.
  • Page 44 P P r r o o g g r r a a m m m m i i n n g g t t h h e e C C o o n n t t r r o o l l l l e e r r 4.
  • Page 45 ☐ BEFORE installing the unit, visually inspect it for any damage. If any damage appears, file claim with delivery carrier. ☐ Install the fuel tank, fuel lines and unit as outlined in the Thermo King Installation Manual. ☐ Add 20 gallons (minimum) of ultra-low sulfur diesel fuel to the tank.

  • Page 46: S S - - 7 7 5 5 0 0 I I U U N N I I T T C C H H E E C C K K L L I I S S T

    S S – – 7 7 5 5 0 0 i i U U n n i i t t C C h h e e c c k k L L i i s s t t S S T T O O P P U U N N I I T T ☐...
  • Page 47 N N o o t t e e s s TK 57073-2-IM-EN...
  • Page 48 1938. For more information, visit www.thermoking.com or www.tranetechnologies.com. Thermo King has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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