Installation Manual UT-R Spectrum Series Undermount Systems UT-R Spectrum with S-2, S-2 + S-2, S-3, S-4.2 Remote Evaporators Revision A T T K K 6 6 2 2 0 0 0 0 9 9 - - 1 1 - - I I M M - - E E N N December 2022...
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 ................................6 6 Danger, Warning, Caution, and Notice .
Safety Precautions Danger, Warning, Caution, and Notice 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. Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
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 P P e e r r s s o o n n a a l l P P r r o o t t e e c c t t i i v v e e E E q q u u i i p p m m e e n n t t ( ( P P P P E E ) ) R R e e q q u u i i r r e e d d ! ! A A l l w w a a y y s s w w e e a a r r g g o o g g g g l l e e s s o o r r s s a a f f e e t t y y g g l l a a s s s s e e s s a a n n d d p p r r o o p p e e r r P P P P E E 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 .
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 • S S k k i i n n : : Remove contaminated clothing. Wash thoroughly with soap and water. Get medical attention if irritation persists.
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 R R i i s s k k o o f f I I n n j j u u r r y y ! ! W W h h e e n n u u s s i i n n g g l l a a d d d d e e r r s s t t o o i i n n s s t t a a l l l l o o r r s s e e r r v v i i c c 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 s s y y s s t t e e m m s s , , a a l l w w a a y y s s o o b b s s e e r r v v e e t t h h e e l l a a d d d d e e r r m m a a n n u u f f a a c c t t u u r r e e r r ’...
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 Battery Installation and Cable Routing Hazards W W A A R R N N I I N N G G H H a a z z a a r r d d o o f f E E x x p p l l o o s s i i o o n n ! ! 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 b b a a t t t t e e r r y y c c o o u u l l d d r r e e s s u u l l t t i i n n a a f f i i r r e e , , e e x x p p l l o o s s i i o o n n , , o o r r i i n n j j u u r r y y .
Page 11
UT-R Series Condenser Dimensions Unit Weight = 454 kg (1001 lb.) Figure 1. Condenser Dimensions 63.31 in (1608 mm) 28.32 in (719.3 mm) 18.90 in (480 mm) 58.58 in (1488 mm) 8.52 in (216.4 mm) 5.12 in (130.1 mm) 24.96 in (634 mm) 19.44 in (493.7 mm) 19.62 in (498.4 mm) 25.13 in (638.4 mm)
Page 12
Evaporator Dimensions and Weights Figure 2. S-2 Dimensions and Weight 17.7 mm (0.70 in.) 193.9 mm 751.0 mm (7.63 in.) (29.57 in.) 106.6 mm (4.20 in.) 35.4 mm (1.39 in.) 700.0 mm 20.0 mm (27.56 in.) (.79 in.) 988.0 mm (38.90 in.) 15.9 mm (.63 in.)
Important Installation Notes I I m m p p o o r r t t a a n n t t : : Please refer to (“Safety Precautions,” p. 6) prior to installing and servicing this product. Evaporator Location • The best airflow is achieved when the evaporator is installed an equal distance from each side wall.
I I m m p p o o r r t t a a n n t t 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 s s RCS1151-1 Removing the Holding Charge I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed.
Page 25
R R e e q q u u i i r r e e d d T T o o o o l l s s Figure 8. Required Tools Shown ABA580-1 TK 62009-1-IM-EN...
Page 26
Condensing Unit Installation Components N N o o t t e e : : The following installation components are provided to complete a standard condensing unit installation. Customer ordered options are not shown. Electric Fuel Pump Band Wraps (3 sizes) Preformed Evaporator Drain Hose Fuel Pump Harness Self-Tapping Screws...
Page 27
Uncrating the Condenser I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to (“Safety Precautions,” p. 6) located in the 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 section of this manual before proceeding.
Page 28
U U n n c c r r a a t t i i n n g g t t h h e e C C o o n n d d e e n n s s e e r r TK 62009-1-IM-EN...
Page 29
Installing the Condenser I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to (“Safety Precautions,” p. 6) located in the 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 section of this manual before proceeding.
Page 30
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 C C o o n n d d e e n n s s e e r r N N o o t t e e s s : : •...
Page 31
Installing Fuel Pump and Fuel Lines I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to (“Safety Precautions,” p. 6)F F u u e e l l S S y y s s t t e e m m C C o o m m p p o o n n e e n n t t I I n n s s t t a a l l l l a a t t i i o o n n H H a a z z a a r r d d s s section of this manual before proceeding.
Page 32
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 P P u u m m p p a a n n d d F F u u e e l l L L i i n n e e s s TK 62009-1-IM-EN...
Page 34
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Figure 9. Components Shipped With S-2 or S-3 Evaporators TK 62009-1-IM-EN...
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Defrost Drain Tube Connectors I I m m p p o o r r t t a a n n t t : : Follow the instructions below to prevent defrost drain tube water leaks.
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Transverse Drain (Option) I I m m p p o o r r t t a a n n t t : : A transverse drain is required to drain on one side toward the front or back of the truck. Figure 11.
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Refrigeration Tubing Connections Refrigeration Tubing Connections S-2 or S-3 Installations I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed.
Page 38
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s HG = Hot Gas S = Suction L= Liquid TK 62009-1-IM-EN...
Page 39
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Connections at Evaporator Figure 13. Evaporator Connections 7/8”...
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Three Zone Installations I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n H H a a z z a a r r d d s s located in the 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 section of this manual before proceeding.
Page 41
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s TK 62009-1-IM-EN...
Page 42
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Connections at Evaporator Figure 14. Evaporator Connections 7/8”...
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Wire Connections S-2 or S-3 Installations I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed.
Page 44
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Figure 15. Wire Connections to S-2 or S-3 Evaporators TK 62009-1-IM-EN...
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Three Zone Installations I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n H H a a z z a a r r d d s s located in the 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 section of this manual before proceeding.
Page 46
S S - - 2 2 , , S S - - 3 3 E E v v a a p p o o r r a a t t o o r r s s Figure 16. Wire Connections for Three Zone Systems TK 62009-1-IM-EN...
S-2 + S-2 Evaporators S-2 + S-2 Installations I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to U U n n i i t t I I n n s s t t a a l l l l a a t t i i o o n n H H a a z z a a r r d d s s located in the 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 section of this manual before proceeding.
Page 48
S S - - 2 2 + + S S - - 2 2 E E v v a a p p o o r r a a t t o o r r s s The copper fittings in the illustration are shown in the table below. Item Description Tee 1-1/8 in.
S S - - 2 2 + + S S - - 2 2 E E v v a a p p o o r r a a t t o o r r s s Connections at Evaporator Figure 17. Evaporator Connections Shown 7/8”...
Page 50
S S - - 2 2 + + S S - - 2 2 E E v v a a p p o o r r a a t t o o r r s s • All Z Z o o n n e e O O n n e e harnesses at the condensing unit must be connected only to the Z Z o o n n e e O O n n e e evaporator. •...
Page 51
S S - - 2 2 + + S S - - 2 2 E E v v a a p p o o r r a a t t o o r r s s Figure 18. Wire Connections to S-2 + S-2 Evaporators TK 62009-1-IM-EN...
Page 52
Installing Expansion Module 1. Install the expansion module near zone 1 evaporator, inside the trailer box. N N o o t t e e s s : : • Make sure the expansion module assembly is located within 1 meter from the zone 1 evaporator. •...
S4.2 Evaporators S-4.2 Evaporator Installation I I m m p p o o r r t t a a n n t t : : Evaporator must be properly mounted to provide a slope towards drain. This is accomplished by adding one 3/8 in.
Page 58
S S 4 4 . . 2 2 E E v v a a p p o o r r a a t t o o r r s s N N o o t t e e : : Remove internal components of valves before soldering and use 35% silver solder. •...
Page 59
S S 4 4 . . 2 2 E E v v a a p p o o r r a a t t o o r r s s The copper fittings in the illustration are shown in the table below. Item Description Tee 1-1/8 in.
S S 4 4 . . 2 2 E E v v a a p p o o r r a a t t o o r r s s Connections at S-4.2 Evaporator Figure 20. S-4.2 Evaporator Connections The copper fittings in the illustration are shown in the table below. Item Description 90°...
S S 4 4 . . 2 2 E E v v a a p p o o r r a a t t o o r r s s S-4.2 Installation I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to Unit Installation Hazards located in the Safety Precautions section of this manual before proceeding.
Page 62
S S 4 4 . . 2 2 E E v v a a p p o o r r a a t t o o r r s s TK 62009-1-IM-EN...
Page 63
Installing HMI Controller I I m m p p o o r r t t a a n n t t : : HMI should be installed in an area inside the cab that is accessible to the driver while not interfering with the safe operation of the truck.
Page 64
Installing the HMI Remote Control Box (OPTION) N N o o t t e e : : Route and secure the controller harness to prevent rubbing, chafing or making contact with sharp, moving or hot components. Allow excess harness for tilt cab applications. The rubber grommets must be used when routing harness through sheet metal holes.
Page 65
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 H H M M I I R R e e m m o o t t e e C C o o n n t t r r o o l l B B o o x x ( ( O O P P T T I I O O N N ) ) Figure 23.
Battery Box Preparing the Battery Box for Installation N N o o t t e e : : Drill Template Drawing (3E05334) can be downloaded and printed from EMEA Infocentral in the following location: Technical Publications/ Self Powered Truck/ Drawings and Diagrams/Installation Templates.
B B a a t t t t e e r r y y B B o o x x Installing the Battery Box (OPTION) I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to B B a a t t t t e e r r y y I I n n s s t t a a l l l l a a t t i i o o n n a a n n d d C C a a b b l l e e R R o o u u t t i i n n g g H H a a z z a a r r d d s s located in the 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 section of this manual before proceeding.
Page 68
Battery Connections I I m m p p o o r r t t a a n n t t : : Safety precautions must be followed. Refer to B B a a t t t t e e r r y y I I n n s s t t a a l l l l a a t t i i o o n n a a n n d d C C a a b b l l e e R R o o u u t t i i n n g g H H a a z z a a r r d d s s located in the 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 section of this manual before proceeding.
Page 69
Additional Information For additional options to be installed please refer to the relevant Installation Instructions for each option. Please refer to Thermo King Infocentral EMEA/Technical Publications/Aftermarket Upgrades to download these documents. N N o o t t e e : : Apply the filter on "Installation” in “Document Type” once link is open. TK 62009-1-IM-EN...
System Leak Check Procedures Set-up Unit Place microprocessor in Evacuation Mode to leak check, evacuate and charge unit. With the SPECTRUM microprocessor in the evacuation mode all solenoid valves in the refrigeration system are open. This allows the refrigeration system to be properly evacuated. N N o o t t e e : : Refer to appropriate Operation &...
Page 71
S S y y s s t t e e m m L L e e a a k k C C h h e e c c k k P P r r o o c c e e d d u u r r e e s s Evaporator Coil Condenser Check Valve Distributor...
S S y y s s t t e e m m L L e e a a k k C C h h e e c c k k P P r r o o c c e e d d u u r r e e s s System Charging I I m m p p o o r r t t a a n n t t : : Unit must be leak checked and fully evacuated before charging.
System Evacuation and Charging N N O O T T I I C C E E S S e e r r v v i i c c e e P P r r o o c c e e d d u u r r e e s s ! ! D D o o n n o o t t e e v v a a c c u u a a t t e e t t h h e e s s y y s s t t e e m m u u n n t t i i l l i i t t i i s s l l e e a a k k f f r r e e e e .
Page 74
S S y y s s t t e e m m E E v v a a c c u u a a t t i i o o n n a a n n d d C C h h a a r r g g i i n n g g Legend for Evacuation and Charging Diagram Two Stage Vacuum Pump To AC Power...
S S y y s s t t e e m m E E v v a a c c u u a a t t i i o o n n a a n n d d C C h h a a r r g g i i n n g g Initial System Charge The UT-Series utilizes a receiver tank sight glass.
Page 76
S S y y s s t t e e m m E E v v a a c c u u a a t t i i o o n n a a n n d d C C h h a a r r g g i i n n g g Two Stage Vacuum Pump To AC Power Micron Gauge...
Page 77
S S y y s s t t e e m m E E v v a a c c u u a a t t i i o o n n a a n n d d C C h h a a r r g g i i n n g g Unit Check List N N o o t t e e : : Please refer to PDI form on EMEA Infocentral - Warranty Section - PDI Downloads - for additional Check points for Commissioning the Unit.
Page 78
S S y y s s t t e e m m E E v v a a c c u u a a t t i i o o n n a a n n d d C C h h a a r r g g i i n n g g ☐...
Page 79
S S y y s s t t e e m m E E v v a a c c u u a a t t i i o o n n a a n n d d C C h h a a r r g g i i n n g g S S T T O O P P U U N N I I T T ☐...
Page 80
Thermo King – by Trane Technologies (NYSE: TT), a global climate innovator – is a worldwide leader in sustainable transport temperature control solutions. Thermo King has been providing transport temperature control solutions for a variety of applications, including trailers, truck bodies, buses, air, shipboard containers and railway cars since 1938.
Need help?
Do you have a question about the THERMO KING UT-R Series and is the answer not in the manual?
Questions and answers