Master Bilt RCT-36 Installation instructions

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6/16 Rev. A 57-02503
INSTALLATION & OPERATIONS INSTRUCTIONS
RCT-36, RCT-48
RCT-36SS, RCT-48SS
KEEP THIS MANUAL FOR FUTURE REFERENCE
En ineerin and technical data are subject to chan e without notice.
Master-Bilt Products
908 Hi hway 15 North
New Albany, MS 38652
Phone: [phone]

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6/16 Rev. A 57-02503
CONTENTS
INTRODUCTION .................................................................................................................................................................3
WARNING LABELS & SAFETY INSTRUCTIONS ........................................................................................................5
PRE-INSTALLATION PROCEDURES .............................................................................................................................6
Inspection For Shippin Dama e .......................................................................................................................6
GENERAL ELECTRICAL & GROUNDING ...................................................................................................................6
INSTALLATION INSTRUCTIONS ...................................................................................................................................7
Locatin The Display Case .................................................................................................................................7
Removin Case From Shippin Skid & General Installation .............................................................................7
Cleanin ..............................................................................................................................................................7
Refri erated RCT Self Contained Model Installation ..............................................................................................8
Cabinet Preparation ............................................................................................................................................8
Cord Options .................................................................................................................................................. 8-9
Refri eration Installation (Refri erated units)..........................................................................................................9
Self Contained Models .......................................................................................................................................9
SHELVING INSTALLATION & RE OVAL ................................................................................................................ 10
Shelf Brackets & Supports................................................................................................................................ 10
Shelves and shelf li ht quantity ........................................................................................................................ 11
Wire Shelf Installation ...................................................................................................................................... 11
DOOR RE OVAL INSTRUCTION ................................................................................................................................ 12
OPERATING INSTRUCTIONS ....................................................................................................................................... 13
Controls ............................................................................................................................................................ 13
Shelves .............................................................................................................................................................. 13
Placin Product Into Case ................................................................................................................................. 14
AINTENANCE ................................................................................................................................................................ 15
Shelf Li ht Replacement .................................................................................................................................. 15
Top Li ht Replacement .................................................................................................................................... 15
PERIODIC AINTENANCE ........................................................................................................................................... 16
Cleanin Condenser Coil .................................................................................................................................. 16
CLEANING INSTRUCTIONS .......................................................................................................................................... 16
Daily Cleanin .................................................................................................................................................. 16
Weekly Cleanin ........................................................................................................................................ 17-18
SERVICE INFOR ATION .............................................................................................................................................. 19
Pre-Service Checklist ................................................................................................................................. 19-20
Special Service Situations ................................................................................................................................. 20
SALE & DISPOSAL ........................................................................................................................................................... 21
Owner Responsibility ....................................................................................................................................... 21
REFRIGERATION & ELECTRICAL DATA ................................................................................................................. 21
WIRING DIAGRA S ........................................................................................................................................................ 22
PARTS............................................................................................................................................................................ 23-24

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6/16 Rev. A 57-02503
INTRODUCTION
Thank you for purchasin a Master-Bilt RCT display case. This manual contains important instructions for
installin , usin and servicin a Master-Bilt RCT display case. A parts list is included with this manual.
Read all these documents carefully before installin or servicin your equipment.
STORE CONDITIONS
The Master-Bilt RCT cases are desi ned to operate in the controlled environment of an air conditioned
store. The store temperature should be below 75° and a relative humidity of 55% or less. At hi her
temperature or humidity conditions, the performance of these cases may be affected and capacity
diminished. It is not uncommon in a newly constructed store for the temperature and humidity to be above
desi n conditions. These excessive conditions may produce sweatin in the case until the store is
operational and the ambient environment is more desirable.
The Master-Bilt RCT cases should be located where it is not subjected to the direct rays of the sun, heatin
ducts, rills, radiator, or ceilin fans, nor should it be located near open doors or main door entrances.
Also, avoid locations where there are excessive air movement or air disturbances. This will adversely affect
the case and result in poor performance.
DANGER
Improper or faulty hookup of electrical components in the case can result in severe injury or death.
All electrical wiring hookups must e done in accordance with all applica le local, regional, or
national standards.
NOTICE
Installation and service of the electrical components in the case must e performed y a licensed
electrician.
The portions of this manual covering components contain technical instructions intended only for persons
qualified to perform electrical work.
NOTICE
Read this manual efore installing your case. Keep this manual and refer to it efore doing any
service on the equipment. Failure to do so could result in personal injury or damage to the case.

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6/16 Rev. A 57-02503
SERIAL NU BER
Record the model and serial numbers of the case for easy reference. Always refer to both model and serial
numbers in your correspondence re ardin the case.
Case Model Serial Number
Condensin Unit Model_ Serial Number
The portions of this manual coverin refri eration and electrical components contain technical instructions
intended only for persons qualified to perform refri eration and electrical work.
This manual cannot cover every installation, use or service situation. If you need additional information,
call or write us:
Technical Service Department
aster-Bilt Products
Highway 15 North
New Albany, S 38652
Phone: [phone]
Fax: [phone]
Email: [e-mail]

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6/16 Rev. A 57-02503
CAUTION
ISK OF ELECT IC
SHOCK DISCONNECT
POWE BEFO E
SE VICING UNIT.
91
-
12340
WARNING LABELS & SAFETY
INSTRUCTIONS
This symbol is the safety-alert symbol. When you see this symbol on your case or in the
manual, be alert to the potential for personal injury or dama e to your equipment.
Be sure you understand all safety messa es and always follow recommended precautions and safe
operatin practices.
Important safety information is presented in this section and throu hout the manual. The
Followin si nal words are used in the warnin and safety messa es:
DANGER: Severe injury or death will occur if you ignore the message.
WARNING: Severe injury or death can occur if you ignore the message.
CAUTION: Minor injury or damage to your case can occur if you ignore the message.
NOTICE: This is important installation, operation, or service information. If you ignore the
message, you may damage your case.
The warnin and safety labels shown throu hout this manual are placed on your Master-Bilt
products case at the factory. Follow all warnin label instructions. If any warnin or safety labels
become lost or dama ed, call our customer service department at 1(800) 684-8988 for replacements.
This label is located on the back of the display case. This label is located below the display pan.
NOTICE TO EMPLOYERS
You must make sure that everyone who installs, uses, or services your case is thoroughly
familiar with all safety information and procedures.
CAUTION
HAZARDOUS MOVING PARTS
DO NOT OPERATE UNIT WITH
DISPLAY PANS REMOVED.

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6/16 Rev. A 57-02503
PRE-INSTALLATION PROCEDURES
Inspection for Shipping Damage
You are responsible for filin all frei ht claims with the deliverin truck line. Inspect all cartons
and crates for dama e as soon as they arrive. If dama e is noted to shippin crates, cartons, or if a
shorta e is found, note this on the bill of ladin (all copies) prior to si nin .
If dama e is discovered when the case is uncrated, immediately call the deliverin truck line and
follow up the call with a written report indicatin concealed dama e to your shipment. Ask for an
immediate inspection of your concealed dama e item. Cratin material must be retained to show
the inspector from the truck line.
GENERAL ELECTRICAL & GROUNDING
-All models are supplied with a power cord that is properly sized to the ampera e requirements of the case.
See the electrical data plate located on the rear left interior of the case for the proper circuit size for each
case.
- The cord is factory installed protrudin from the bottom rear corner of the case (see the “Cord Options”
section of this manual that pertains to your model case for alternate location.). If factory installed cord must
be relocated for desired application the electrical work must be performed by a licensed electrician.
-A separate circuit for each display case is recommended to prevent other appliances on the same circuit
from overloadin the circuit and causin malfunction.
-All electrical wirin hookups must be done in accordance with all applicable local, re ional, or national
electrical standards
DANGER: Improper or faulty hookup of electrical components in the
display case can result in severe injury or death.

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6/16 Rev. A 57-02503
INSTALLATION INSTRUCTIONS
General Display Case Location
The case should be located where it is not subjected to the direct rays of the sun, heatin ducts, rills,
radiators, or ceilin fans, nor should it be located near open doors or main door entrances.
Removing Case From Shipping Skid and General Installation
1. Remove crate top and sides and note missin or dama ed items as explained in the pre-installation
procedures outlined above.
2. Move the case as near as possible to the final location and before removin it from the shippin skid.
3. Remove the (8) screws that secure the case to the shippin skid.
4. Prepare cabinet accordin to instructions in this section that pertain to your model.
5. Lift the case off of skid and into required position. Only lift the case from the liftin /shippin brackets
located on each end of the case
6. Fasten each case to cabinet with the (2) #12 screws supplied.
7. Rout electrical cord accordin to instructions in this section that pertain to your model.
8. Case must be sealed to the counter usin a NSF listed sealant.
Cleaning
For initial setup, clean the case as outlined in the “Weekly Cleanin ” section of this manual.
CAUTION: Do not push against the top glass, front glass, ends, doors or
door frames when removing the case from the skid or moving the case. Case
damage or glass breakage could result.

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6/16 Rev. A 57-02503
CUTTING BOARD
IMPORTANT:
UNIT MUST BE
FASTENED TO
COUNTER AND
CABINET MUST
BE FASTENED
TO FLOOR
Refrigerated RCT Self Contained odels
Cabinet Preparation
The RCT Self Contained models have a lar e condenser compartment han in from the rear of the unit that
contains the condenser/condensate evaporator unit. This compartment han s off the rear ed e of the
counter. The rear of the counter must be open to allow space for this compartment. The countertop top
should be flush with countertop back and the first top 8” of cabinet back must be flat with no doors.
I PORTANT: The condenser air inlet and dischar e louvers are located in the rear of the case. Do not
block these louvers and do not locate them near a source of heat. Clearance of 8” minimum must be
maintained for condenser air exchan e.
(2) ½”dia. case fastenin holes will need to be drilled throu h the counter top surface to attach case to
counter with ¼” X 2” screws provided. Use the dia ram below for hole placement location.
36 . 0 ( 36 "U N I T )
4 8 . 0 ( 4 8 " U N I T )
3 1 . 0 ( 36 "U N I T )
43 . 0 ( 43 "U N I T )
FRONT
CASE TOP VIEW
9 . 00
1 . 9 3
( ) 1/ " DIA
MTG. HOLES
FRONT
CUSTOMER SIDE
5 . 1 /
6 . 7 1 SS
EDG OF COUNTER TOP
5 . 5 M I N .
1 0 . 0
3/4" END
PANELS
CORD LOCATION
STANDARD OPT.1
COUNTER TOP MUST
BE FLUSH WITH REAR
OF CABINET.
. 7 5
DOORS ON REAR OF
CABINET MUST BE
10.0" FROM COUNTER
TOP SURFACE
TYPICAL CABINET CRB MODELS
BACK
CORD OPTIONS
CORD OPTION 1: The electrical cord is shipped from the factory protrudin from the 2-3/4” hole located
in the bottom rear corner of the condensin compartment and does not require a hole to be drilled into the
cabinet. (You may need to reach up into 2-3/4” hole to retrieve cord.)
CORD OPTION 2: The power cord can also be allowed to drop into counter interior space. This option
does not require any rewirin of the case, but does require a hole to be drilled into the back of cabinet.
1. Before placin the case onto the counter remove the (6) screws holdin the condenser cover and remove
the condenser cover.
DANGER: Case must be fastened to counter and counter must be fastened to floor.
CORD
LOCATION
OPT.
1-1/ " DIA HOLE
1 . 8 7 ( 36 U N I T )
1 8 . 8 7 ( 4 8 U N I T )

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6/16 Rev. A 57-02503
2. There is a 2-3/4” hole in the lower corner of the compartment and a 2-3/4”hole plu in the compartment
back. Remove the 2-3/4” plu from the back hole and place it into the bottom hole.
3. Install and fasten the case onto the counter.
4. Drill a 1-1/2” hole throu h the counter back in the location of the 2-3/4” hole for power cord to be
dropped into cabinet compartment.
5. Reinstall the condenser cover and the (6) screws.
OPTON 3: An electrical cord connection hole is provided in the rear control panel next to the controls. A
1-1/2”dia hole throu h the counter is not required for this option. NOTE: Only a licensed electrician must
perform the electrical work required to move the cord to this optional position.
1. Before or after the case has been installed onto the counter remove the (6) screws holdin the condenser
cover and remove the condenser cover.
2. Remove the (4) screws holdin the rear frame panel located under the door track. Loosen the (4) screws
holdin the cuttin board under each end of the cuttin board. Tilt and lift the rear panel out from behind
the cuttin board.
3. Remove the 7/8” hole plu located next to the controls in the control panel. Disconnect power cord
connections and move cord and cord strain relief from bottom hole in frame channel to the 7/8”hole in
the control panel. Reconnect power cord and plu bottom in frame channel with the 7/8” hole plu
removed from the control panel.
4. Reinstall the condenser cover and the rear frame panel and reti hten the cuttin board mountin screws.
Refrigeration Installation
Self Contained odels
The self-contained models are shipped from the factory with a completely operational 134A refri eration
system and require no modifications or adjustments upon installation.
DANGER: Electric shock hazard. Do not operate unit with panels removed.

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6/16 Rev. A 57-02503
SHELVING INSTALLATION & REMOVAL
Shelf Brackets and Supports
SHELF LIGHT, LOCATE IN SECOND
BRACKET NOTCH FROM FRONT
CLEAR BUMPER, ATTACH TO
FRONT OUTSIDE CORNER
OF ALL BRACKETS
REAR SHELF SUPPORT, SET INTO
REAR NOTCH ON SHELF BRACKET
SHELF LIGHT CORD CLIP & SCREW, INSTALL
SCREW INTO HOLE IN SHELF BRACKET
ON SIDE OF SHELF LIGHT CORD
POSITION SHELF BRACKET,
HOOK INTO SHELF STANDARD
1. Turn the li ht switch to the off position. Remove rear doors as described in the “Rear Door Removal”
section of this manual to allow access to interior of case.
2. For first time installation it may be necessary to attach the clear plastic clips to only the shelf brackets
located on the side of the shelf li ht cord. Use the 6-32 x ¼ flat head screws supplied with unit to
attach clear plastic clips to the 1/8 hole on the inside of the shelf brackets. It may also be necessary to
attach the clear bumper to the outside end towards the side lass of each shelf bracket. The bumper
prevents dama e to the end lass. These steps may have already been performed at the factory for you.
Insert a lon er bottom shelf bracket in the desired shelf standard slot on one side of case (bumper side
towards end lass). Follow the instruction in the illustration below. Place the additional lon er bottom
shelf bracket in the same shelf standard slot on the opposite end of case. Repeat for shorter top shelf
tier.
INSTALLATION
REMOVAL
SHELF STANDARD
TOP HOOK
1
SHELF BRACKET
3
BOTTOM TAB
4
6 v NOTCH
0
v NOTCH
1
3
4
CLEAR BUMPER
TOWARDS END PANEL
1. Place shelf bracket top hook into desired shelf
standard slot.
. Lift shelf bracket top hook to allow shelf bracket
bottom tab to clear shelf standard slot.
3. Swing shelf bracketbottom tab into shelf standard
slot.
4. P l a c e t h e d es ir e d s h e l f br a c ke t n ot c h o f 0 , 6 , or 1
d eg r ees o n to bottom o f s h e l f s t a n da r d s lot .
1.
Lift shelf bracket up to allow shelf bracket notch
to clear the bottom of shelf standard slot.
. Swing shelf bracket bottom tab out of shelf
standard slot.
3. Drop shelf bracket down to allow shelf bracket top
hook to clear top of shelf standard slot.
4. r e mo ve s h e l f br a c ke t to p f rom s h e l f s t a n da r d s lot .