Montague FB-108-SC Service Manual
INSTRUCTION MANUAL
INSTALLATION / OPERATIONS / PARTS & SERVICE
MONTAGUE
REFRIGERATION AND FREEZER
BASES
MODEL(S):
RB36SC—RB108SC
RB36R—RB108R
RB36 FREEZER—RB108 FREEZER
These instructions should be read thoroughly before attempting installation.
Set up and installation should be performed by qualified installation personnel.
PLEASE RETAIN THIS MANUAL
FOR FUTURE REFERENCE.
THE MONTAGUE COMPANY
1830 Stearman Avenue
P.O. BOX 4954
Hayward, CA 94540-4954
TEL: (510) 785-8822 FAX: (510) 785-3342
1
IMPORTANT
WARNING:
Improper installation, adjustment,
alteration, service or maintenance
can cause property damage, injury
or death. Read the operating
and maintenance instructions
Do not store or use gasoline or
other flammable vapors and
liquids in the vicinity of this or
any other appliance.
FOR YOUR SAFETY:
thoroughly before installing or
servicing this equipment.
INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE USER SMELLS GAS MUST BE
POSTED IN A PROMINENT LOCATION. THIS INFORM ATION MAY BE OBTAINED BY
CONSULTING THE LOCAL GAS SUPPLIER.
SHIPPING DAMAGE CLAIM PROCEDURE
For your protection, please note that equipment in this shipment was carefully inspected
and packed by skilled personnel before leaving the factory. The transportation company
assumes full responsibility for safe delivery upon acceptance of this shipment.
If shipment arrives damaged:
1. VISIBLE LOSS OR DAMAGE—Be certain this is noted on freight bill or express receipt,
and signed by person making delivery.
2. FILE CLAIM FOR DAMAGES IMMEDIATELY—Regardless of the extent of damage.
3. CONCEALED LOSS OR DAMAGE—If damage is unnoticed until merchandise is un-
packed, notify transportation company or carrier immediately, and file “concealed damage” claim with them. This should be done within fifteen (15) days of date that delivery
was made to you. Be sure to retain container for inspection.
We cannot assume responsibility for damage incurred in transit. We will, however, be glad
to furnish you with necessary documents to support your claim.
2
The Refrigeration and Freezer bases are produced with the best possible material and workmanship.
PROPER INSTALLATION IS ESSENTIAL FOR SAFE AND EFFICIENT TROUBLE-FREE OPERATION.
THE INSTALLATION INSTRUCTIONS CONTAINED HEREIN ARE FOR THE
USE OF QUALIFIED INSTALLATION AND SERVICE PERSONNEL ONLY.
INSTALLATION OR SERVICE BY OTHER THAN QUALIFIED PERSONNEL
MAY RESULT IN DAMAGE TO THE EQUIPMENT AND/OR INJURY TO THE
OPERATOR.
Qualified installation personnel are individuals, a firm, corporation or company which either in
person, or through a representative are engaged in, and are responsible for:
A. The installation or replacement of the connection, installation, repair or servicing of equip-
ment, who is experienced in such work, familiar with all precautions required, and has
complied with all requirements of state or local authorities having jurisdiction. Reference:
National Fuel Gas Code Z223.1-latest addenda, Section 1.4.
B. The installation of electrical wiring from the electric meter, main control box or service out-
let to the electric appliance. Qualified personnel must be experienced in such work, be familiar with all precautions required and have complied with all requirements of state and
local authorities having jurisdiction. Reference: National Electric Code, N.F.P.A. No. 70–
latest addenda.
READ CAREFULY AND FOLLOW THESE INSTRUCTIONS
THIS UNIT WHEN INSTALLED MUST BE ELECTRICALLY GROUNDED
IN ACCORDANCE WITH LOCAL CODES, OR IN ABSENCE OF LOCAL
CODES, WITH THE NATIONAL ELECTRICAL CODE, ANSI/NFPA No.70–
LATEST ADDENDA.
PROVISIONS MUST BE MADE FOR ADEQUATE AIR SUPPLY TO THE UNIT.
3
INTRODUCTION
NOTE: Sections of this manual are prepared for the use of Service Technicians and should not be
used by those not properly qualified. This manual is not intended to be all encompassing. You
should read, in its entirety, the repair procedure you wish to perform to determine if you have the
necessary tools, instruments, and skills required to perform the procedure.
MONTAGUE MODELS
Montague RB-SC and RB-R models are refrigerated Equipment Stand units available in different
lengths from 36 to 108 inches in width. These units are available as refrigerated or freezer storage
compartments. The condensing systems are designed to be installed with minimal clearance to walls
or other equipment.
These models are available as self-contained or remote. Standard features on these models include:
Electronic temperature control
All stainless steel construction
6” legs for (RB-R) models
Double or single wide drawers
Exterior Top Rail thermometer
MODELS AVAILABLE
SELF-CONTAINED
(RB-SC)
REMOTE
(RB-R)
RB-36-SC RB-36-R FB-36-SC FB-36-R
RB-48-SC RB-48-R FB-48-SC FB-48-R
RB-60-SC RB-60-R FB-60-SC FB-60-R
RB-72-SC RB-72-R FB-72-SC FB-72-R
Display: 3 digit display w/ sign (-199 to 999)
and decimal point.
Six status LED’s
Unique designed evaporator coil (TURBO
COIL). controlled from the outside thermometer
SELF-CONTAINED
(FB-SC)
REMOTE
(FB-R)
RB-84-SC RB-84-R FB-84-SC FB-84-R
RB-96-SC RB-96-R FB-96-SC FB-96-R
RB-108-SC RB-108-R FB-108-SC FB-108-R
* Available options include: Marine edge exterior top in all different models.
4
TABLE OF CONTENTS
THE SERIAL TAG …………………………………. PAGE 6
RECEIVING & INSPECTING …………………….. PAGE 7
A. UNPACKING AND CHECKING
INSTALLATION ……………………………………. PAGE 7 & 8
A. UNPACK LOOSE COMPONENTS
B. REFRIGERATION LINES
C. ELECTRIC CONNECTION
OPERATION ……………………………………….. PAGE 8
A. TEMPERATURE SETTING
B. FREEZER SETTING
C. THERMOSTAT
D. DEFROST
E. SHUTTING OFF
DRAWER CONFIGURATION ……………………. PAGE 9 & 10
MAINTENANCE PROCEDURES ……………….. PAGE 11
A. CLEANING STORAGE CABINET
B. STORAGE CABINET
C. CONDENSING UNIT
TROUBLESHOOTING GUIDE …………………… PAGE 12
WIRING DIAGRAM (RB-SELF CONTAINED) … PAGE 13
WIRING DIAGRAM (RB-REMOTE) …………….. PAGE 14
WIRING DIAGRAM (FB-SELF CONTAINED) …. PAGE 15
WIRING DIAGRAM (FB-REMOTE)……………… PAGE 16
EXPLODED VIEWS & PARTS LISTS……………. PAGE 17-25
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THE SERIAL TAG
The serial tag is a label permanently affixed to
EXAMPLE:
every unit on which vital electrical and
refrigeration data about your Montague product,
is recorded as well as model and serial
number. This tag is located inside the storage
cabinet on all standard Self-contained (RB-SC)
or Remote (RB-R) model refrigerated equipment
stand units. Prior to installation, test the
electrical service to assure that it agrees with
VOLTS: HZ: PH:
TOTAL AMPS:
MIN CIRCUIT AMPACITY:
the specifications of the equipment marked on
the serial tag.
READING THE SERIAL MODEL:
HIGH SIDE: LOW SIDE:
Serial = The permanent ID# of your
REFRIGERANT: LBS: OZ:
Montague unit
A TYPE II DISPLAY REFRIGERATOR OR FREEZER
Model = The model # of your Montague unit
Volts = Voltage
Hz = Cycle
INTENDED FOR OTHER THAN HOUSEHOLD USE.
THE MONTAGUE CO.
HAYWARD – CALIFORNIA
MOD:
SER:
DESIGN PRESSURE
(PSIG)
(DESTINE A UN USAGE AUTRE QUE
DOMESTIQUE.)
P/N:59935-2
Heaters (freezers only) = Number of Heaters
Total Amps = Maximum Amp draw
Minimum Circuit = Minimum Circuit Ampacity
Maximum Amps Protection = Breaker size
Refrigerant = Refrigerant type and amount
used
Design Pressure = Maximum operating
pressures
Figure 1.
SERIAL NUMBER LOCATION
Always have the serial number of your unit
available when calling Parts & Service.
The serial number is on the nameplate that also
includes the model number. A typical
identification plate is shown in Figure 1.
6
RECEIVING & INSPECTING
SHIPPING DAMAGE CLAIM PROCEDURE
NOTE: For your protection, please note that
equipment in this shipment was carefully
inspected and packed by skilled personnel
before leaving the factory. The transportation
company assumed full responsibility for safe
delivery upon acceptance of this shipment.
* We cannot assume responsibility for
damage incurred in transit. We will, however,
be glad to furnish you with the necessary
documents to support your claim.
All Montague products are factory tested for
performance and are free from defects when
shipped. The utmost care has been taken in
crating this product to protect against damage in
transit.
You should carefully inspect your Montague unit
for damage during delivery. If damage is detected, you should save all the crating materials and make note on the carriers Bill of Lading
describing the damage. A freight claim should be
filed immediately. There is a fifteen (15) day limit
to file freight damage with the carrier. (to
verify)
Care should be taken during unloading so the
equipment is not damaged while being moved
into the building.
1. Visually inspect the exterior of the package
and skid or container. Any damage should be
noted and reported to the delivery carrier
immediately.
2. If damaged, open and inspect the contents
with the carrier.
3. In the event the exterior is not damaged, yet
upon opening, there is concealed damage to
4. Request an inspection by the shipping
5. Freight carriers can supply the necessary
6. Retain all shipping materials until an
A. Uncrate unit as near to final location as
Some components are packed and shipped
inside the storage cabinet to avoid damage
during shipment. Remove these items from the
cabinet and remove packing materials.
(CASTERS, LEGS, ETC.)
B. FOR CORD CONNECTED UNITS
C. WARNING: THIS UNIT IS PROVIDED
D. PERMANENTLY WIRED UNITS (Remote
the equipment, notify the carrier. Notification
should be made verbally as well as in written
form.
company of the damaged equipment. This
should be done within 10 days from receipt
of equipment.
damage form upon request.
inspection has been made or waived.
INSTALLATION
possible for easier and lighter handling of the
unit and remove all packing materials from
interior.
(Self-contained models): Plug the unit into a
properly sized outlet. See data plate location
inside storage cabinet for circuit sizing.
WITH A THREE PRONGED GROUNDING
PLUG. THE OUTLET TO WHICH THIS
PLUG IS CONNECTED MUST BE
PROPERLY GROUNDED. IF
RECEPTACLE IS NOT THE PROPER
GROUNDING TYPE, CONSULT ELECTRICIAN FOR PROPER INSTALLATION.
Models): A junction box located on the back
of the unit is provided for electrical field
7
INSTALLATION(CONTINUED) OPERATION
connections. See wiring diagram shipped
with the unit on the compressor compartment
behind the louver panel for electrical rating.
E. REFRIGERATION LINES (Remote units
only)
WARNING: REFRIGERATION LINES ARE
SHIPPED UNDER PRESSURE. USE CAUTION
WHEN OPENING LINES.
F. ON REMOTE UNITS. Refrigeration lines for
suction and supply are located on the back
of the unit. The suction line is marked
“suction” and 3/8 copper tubing. The liquid
supply line is 1/4” copper. If upon opening
lines, no release of charge is evident, contact
your local authorized service agent immediately.
Cut refrigeration tubing with appropriate tool
and de-burr end of the tube. Clean tubing prior
brazing connection. Use Silfos 5% refrigerant
line brazing or better.
A. TEMPERATURE CONTROL SETTINGS:
On both Self-Contained and Remote
Refrigerated units, temperature Control
should be set 35°F with a 5°F dierenal. This
display should read between 35°F to 40°F . The
temperature control seng is “locked” to avoid
unauthorized adjustments. Therefore,
adjustments to the set point must be made by an
authorized service technician.
B. ON FREEZER BASE UNITS: The temperature
control should be set at 0°F with 5°F dierenal.
Temperature display should read between 0°F
and 5°F
C. The temperature control is the actual
thermometer of the unit, it does display the
actual temperature of the storage cabinet.
Allow cabinet to reach normal operang
temperature before loading (approximately) 20
minutes for refrigerator and 45 minutes for
freezer. If the storage cabinet is overloaded with
warm food products, a certain amount of me is
required to remove heat from items before
operang temperatures can be maintained.
The system is designed for storage of
refrigerated or frozen products.
D. DEFROST TIME SETTINGS: All models are
provided with an electronic temperature control
which have a built-in defrost system, which is
factory set as well as the temperature sengs.
Any change made to the seng must be made
by a qualied or authorized service technician.
E. SHUTDOWN FOR EXTENDED PERIODS: If the
units are not to be used for an extended period
of me, disconnect the electrical power supply
and remove the drawers from the storage
cabinet. As soon as cabinet has warmed to room
temperature, wipe out the base interior.
8
AVAILABLE DRAWER CONFIGURATION
DRAWER CONFIGURATION (A) DRAWER CONFIGURATION (B) DRAWER CONFIGURATION (C)
Can accommodate up to one
6” (152mm) deep, 12” x 20” (305 x
508mm)
Heavy 14-gauge stainless steel track system
Recessed drawer handles
Drawers are easily removed for cleaning
300lbs (136 kg) individual drawer weight
Can accommodate up to two pans
6” (152mm) deep, 12” x 20” (305 x
508mm) *(from left to right)
capacity
Tandem 2” (51mm) diameter stainless steel
wheel
Self-Contained Model Guide
Drawers: Width & Configuration
Can accommodate up to two pans
6” (152mm) deep, 12” x 20” (305 x
508mm) *(from front to back)
Unit Width
Model
Inches
Number
(mm)
RB-36-SC 36” (914) A 2
RB-48-SC 48” (1219) C 4
RB-60-SC 60” (1524) A B 6
RB-72-SC 72” (1829) B C 8
RB-84-SC 84” (2134) C 8
RB-96-SC 96” (2438) B - (2) C 12
RB-108-SC 108” (2743) C - (3) 12
14-3/8”
(356mm)
22-3/8”
(566mm)
27-1/4”
(692mm)
Total
Pans
9
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