Hotpoint RCG4848R, RCG7748R, RCG5948R User Manual

READ AND SAVE THESE INSTRUCTIONS

OPERATING MANUAL

OPEN REFRIGERATED SELF-SERVICE MERCHANDISER

SERVICE REFRIGERATED CANDY MERCHANDISER

PN 99331

Model RCG4848R 48”L* x 38 1/8”D** x 47 1/4”H
Model RCG5948R 56”L* x 38 1/8”D** x 47 1/4”H
Model RCG7748R 77”L* x 38 1/8”D** x 47 1/4”H

*Includes end panels.
**Without Package Ledge or Cutting Board

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Rev B Date: 5.15.2006

TABLE OF CONTENTS

OVERVIEW AND WARNINGS …………………..…………………..…….………….....…..

MERCHANDISER SET-UP ………….. …..….…………………...………...…..………………

START-UP AND OPERATION …….. …..….…………………...………...…..………………

MAINTENANCE FUNDAMENTALS ……………………………………………………..………

ELECTRICAL FUNDAMENTALS …….. …..….…………………...………...…..………………

REFRIGERATION FUNDAMENTALS …………….………………………………………..…...

TECHNICAL DATA …………………………………………………………………………..……

ILLUSTRATED PARTS BREAKDOWN…………….………………………………………..…...

PARTS LIST …………….…………….……………………………………………….………….

TROUBLESHOOTING …………….……………………………………………….………….

WIRING DIAGRAM RBG/RDG (48/59)48R SELF CONTAINED ………………………….….

WIRING DIAGRAM RBG/RDG (48/59)48R REMOTE …………………...………………….…

WIRING DIAGRAM RBG/RDG 7748R SELF CONTAINED ……………………………….….

WIRING DIAGRAM RBG/RDG 7748R SELF REMOTE ………………...………………….…

CLEANING SCHEDULE..…………………………………………………...………………….….

WARRANTY ………...……………………………………………………..……………………..

TECHNICAL SERVICE …..……………………………………………………………….…..…

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OVERVIEW AND WARNINGS

OVERVIEW

• *The Structural Concepts Renaissance refrigerated service cases are designed to

merchandise packaged candy products at 65° at 55% RA or less product temperatures.

• These cases should be installed and operated according to the following instructions to

insure proper performance.

• This unit is designed for the display of products in ambient store conditions where

temperatures and humidity are maintained at a maximum of 75° F and 55% relative
humidity.

WARNING

ELECTRICAL
HAZARD

WARNING

KEEP HANDS

CLEAR

WARNING

HOT
SURFACE

CAUTION

WARNING

Risk of Electric Shock.

Disconnect Power Before Servicing Unit

WARNING

Hazardous Moving Parts.

Do Not Operate unit with covers removed.

Fan blades may be exposed when deck panel is removed. Disconnect

power before removing deck panel.

WARNING

Evaporator Tray is Hot

CAUTION

Lamps have been treated to resist breakage and must be replaced with a

similarly treated lamp.

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SET-UP

Merchandiser Set-Up

• Mobile Units (Cases with Casters)

• For your safety, the equipment is fur-

nished with a properly grounded cord
connector. Do not attempt to defeat the
grounded connector.

• Plug cord into a certified electrical outlet

with ground.

• Stationary Units

• Self-contained refrigeration.

Note: Servicing to be accomplished by
refrigeration / electrical contractor.

• Removing the rear grill will expose ac-

cess to the a 3” service opening in the
base adjacent to a junction box.

• Electrical 120v leads are provided in the

junction box.

• Remote refrigeration system.

Note: Servicing to be accomplished by
refrigeration / electrical contractor.

• Removing the rear grill will expose ac-

cess to the a 3” service opening in the
base adjacent to a junction box.

• 120v Electrical leads are provided in the

junction box.

• Refrigeration stub up connections are

provided inside the case, from the rear
and in back of the electrical box.

• To facilitate maintenance see electrical

section for electrical box removal.

Evaporator Stub

Rear Grill

3” Service Access

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START-UP AND OPERATION

Raise the Curved Glass

• To raise the front curved glass, grab the lift

handle extrusion on the bottom edge of the
front curved glass and lift up.

• Gas cylinders hold the glass open for hands

free access to the interior of the case.

Merchandiser Start-Up

• Turn on the main power. Switch is on the

control panel at the rear left hand side of
base. Supply power will start evaporator coil
fan(s), the front fan and the evaporator/
condensate pan. It will supply power to the
light switch and thermostat, (self-contained
units).

• From the front of the case, raise the deck

pans and check to see that the coil fans are
all functioning properly.

• On the top of the front panel a register di-

rects air flow provided by the front fans,
(front air flow is to prevent condensation
from forming on the curved glass). Check
across the top of the front panel to see if air
is discharging across the entire front of the
case.

• Turn on the lights. Light switch is in the rear

control panel. First time lighting may require
a short warm up period for the bulbs. Slightly
dim or a flickering of new bulbs is normal. If
lights do not turn on, check all of the race­way plugs. The lighting is wired in series so

all lights must be plugged in or recepta­cles capped in order for the case to light.

Front Curved Glass

Lift Handle

Coil Fan

Deck Pan

Register

Front Fan

Lights Main Power

Condenser Warning Light

Thermostat

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MAINTENANCE FUNDAMENTALS

• Preventive Maintenance should be per-

formed every 30 days unless conditions
warrant a more frequent replacement

cycle.

Air Filter

• Magnetic strips attached to the filter adhere

the filter to the rear grill.

• The nylon mesh filter can be cleaned by rins-

ing thoroughly with water against the air flow
direction. A mild detergent removes smoke/
grease stains.

Rear Ledge Removal

• Pull ledge back to stops.

• Rotate down to the vertical position.

• From the shelf’s lowered position (as indi-

cated at right), lift from bottom edge upward
to disengage shelf track from bracket.

Front Panel Removal

• Refer to front fan access in the electrical

fundamentals.

Under Case Cleaning

• Note: Refer to Evaporator Pan Access/

Removal in electrical fundamentals.

• Remove rear grill, use a vacuum with a hose

attachment to clean under the case.

• Under case cleaning is accessible by had or

1 1/2 inch diameter cleaning tool such as a
vacuum hose.

Light Socket

Air Filter

Light Fixture

Lamp Pins

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MAINTENANCE FUNDAMENTALS

Shelf Assembly Removal

• Raise the front curved glass.

• Remove and carefully set aside glass or wire

shelves.

• For lighted shelving, unplug the light cord

and detach from the rear shelf support.

• Slide light assembly back to unlock, then ro-

tate up to separate from brackets.

• Slide rear support back to unlock and rotate

up to separate from brackets.

• Remove brackets. Note, it may be neces-

sary to remove the nylon shipping
bracket retainer. Pliers will be required to

accomplish this task.

Light Fixture

Removal of lamp:

• Rotate lamp (1/4 turn) either direction to dis-

engage (upper or lower) pins/contacts from
lamp mounting sockets.

• Remove bulb buy applying even pressure

from the back side at the bulb ends and pull­ing the remaining contact from the sockets.

Installation of lamp:

• Align pins with slot.

• Insert pins into socket by rotating the bulb

1/4 turn to secure either the (upper or lower)
pined contacts into the sockets.

• Rotate the remaining bulb contacts (1/4 turn)

into the remaining lamp mounting socket
contacts.

Removing the Rear Doors

• Note: Doors are not interchangeable.

There is an inner and outer door. The outer
must be removed first and replaced last.

• The outer door, is the right hand door (from

the service side or rear of the case). It can
be identified by a stop located at the lower
right hand corner to the inside of the case.

• Move the doors toward the center of the

case.

• Individually lift each door up toward the top

of the case and pivot the bottom of the door
out.

• Reverse to install.

Glass Shelves

Light Assembly

Shelf Brackets

Cap

Plug

Receptacle

Bracket Retainers

Rear Shelf Support

Rear Doors

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ELECTRICAL FUNDAMENTALS

Warning, disconnect power before providing
maintenance and service to unit.

Ballast Access/Removal

• Assembly or disassembly and servicing

to be accomplished by licensed electrical
contractor.

• Remove the rear grill by removing the six

screws located on both sides of the grill.

• Remove the control panel by removing the

three remaining screws located on the right
side of the panel.

• Release quick disconnect from wire har-

ness.

• Remove two nuts from both end mounting

flanges.

Electrical Box Access/Removal

• Assembly or disassembly and servicing

to be accomplished by licensed electrical
contractor.

• Remove the rear grill by removing the six

screws located on both sides of the grill.

• Remove the control panel by removing the

three remaining screws located on the right
side of the panel.

• Remove the electrical box by removing the

four screws located inside and at the top of
the box.

Evaporator Pan Access/Removal

• Assembly or disassembly and servicing

to be accomplished by licensed electrical
contractor.

• Turn off main power and allow evaporator

pan to cool.

• Remove the rear grill by removing the six

screws located on both sides of the grill.

• Check temperature of pan prior to han-

dling.

• Withdraw evaporator pan from the right side

behind electrical box.

• Disconnect evaporator pan power cord from

receptacle at the pan.

• Empty evaporator pan contents into a suit-

able container.

Rear Grill

Ballasts

Control Panel

Elect. Box Screws

Evaporator Pan

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ELECTRICAL FUNDAMENTALS

Warning, disconnect power before provid­ing maintenance and service to unit.

Evaporator Fan Access

• Raise the front curved glass.

• Shelving can be removed to facilitate main-

tenance

• Turn off the electrical power at main

power switch if servicing fans.

• Remove deck pans to access coil fans.

• Remove mounting screws from fan assem-

bly to separate fan from shroud.

Coil Fan

Deck Pan

Lower Front Panel

Upper Front Panel Assy.

Front Condensate Fan

Fan Shroud Rear Flange Screws

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ELECTRICAL FUNDAMENTALS

Warning, disconnect power before providing
maintenance and service to unit.

Front Fan Access

The front fans supply air flow to the top of the
front panel louvers. This air flow is to eliminate
any condensation formed on the face of the
curved glass.

• Fan/s are located behind the front panels.

• Turn off the main electrical power at

main power switch if servicing fans.

• Remove the lower front panel.

• Remove screws from the lower flange at

the base of the unit.

• Remove screws from the upper flange

of the lower front panel, located behind
the lower edge of the upper front panel.

• Remove the upper front panel.

• Remove screws from the lower flange of

the plenum at the base of the unit.

• Remove screws from the front panel

support brackets.

• Raise the front curved glass.

• From inside the case remove screws

from the upper edge only of the deck
support & glass stop.

• Pull entire assembly forward and care-

fully set aside.

• Remove mounting screws from fan as-

sembly to separate fan from shroud.

Bracket Screws

Lower Front Panel Screws

Deck Support & Glass Stop Screws

Plenum Screws

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REFRIGERATION FUNDAMENTALS

Temperature Settings

• Assembly or disassembly and servicing

to be accomplished by licensed
electrical / refrigeration contractor.

• The case temperature is set at the factory,

as determined by the case size.

• The temperature can be controlled by a

manual thermostat. Switch is on the control
panel rear right hand side of base.

• If a temperature setting change is required,

rotate the control in the desired direction
and monitor the thermometer for the
corrected air temperature change.

Refrigeration: Access, Connections &
Servicing

• Assembly or disassembly and servicing

to be accomplished by licensed
refrigeration contractor.

• Service connections are located on the

compressor / condenser assembly.

• Refrigerant lines are flexible to facilitate

rear access maintenance to condenser.

• Plastic glides are mounted to the unit base

to assist in sliding the condenser out for
access.

• Remove the rear grill by removing the six

screws located on both sides of the grill.

• Remove structural stiffener by removing the

four screws located on at bottom edge of
the base.

• Withdraw the unit using pull flanges on

condenser frame.

Condenser Frame

Rear Grill

Stiffener

Filter

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TECHNICAL DATA

Electrical Ratings

RCG4848R RCG5948R RCG7748R

Self-Contained

Incoming Supply 120/1/60 120/1/60 120/1/60

Min. Circuit Amps 15.0 15.0 15.0

Amps 7.32 7.32 8.32

Watts 878 878 998

Hook-Up Leads or Cord w/

Nema L5-15 P

Electrical Controller Electrical Control-

ler

Leads or Cord w/
Nema L5-15 P

Electrical Control­ler

Leads or Cord w/
Nema L5-15 P

Electrical Controller

Lighting

RCG4848R RCG5948R RCG7748R

Lamp Quantity 4 4 4

Lamp Type F25 T8 F32 T8 F40 T8

Refrigeration

RCG4848R RCG5948R RCG7747R

Self-Contained

Compressor, RLA 2.8 2.8 2.8

Refrigerant R134A R134A R134A

Display Space (Ft³) 14.58 18.03 23.67

BTUH @ 20° 1560 1560 1560

Condensate Evap. 120V/300W 120V/300W 120V/300W

Control Settings Mechanical

Mechanical Settings
Pressure Settings – S/Contained

Differental 60
High Side Cut-In 260
Superheat 8-10

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Control Settings Thermostat

Thermostat Settings
Set Point

Diferential Minimum

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ILLUSTRATED PARTS BREAKDOWN

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2

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ILLUSTRATED PARTS BREAKDOWN

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34

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PARTS LIST

1 Curved Glass 18 Rear Rack Support

2 End Panel Full 19 Bulb Seal

3 End Panel Mirror 20 Clam Shell Assembly

4 Lift Handle 21 Thermometer

5 Shelf Light 22 Glass or Wire Shelf

6 Lamp 23 Rear Door, Right

7 Deck Pan 24 Rear Door, Left

8 Bumper Insert 25 Ledge Hinge

9 Bumper End Cap 26 Evaporator Pan

10 Lower Front Panel 27 Ballasts

11 Front Air Chute 28 Control Panel

12 Front Panel 29 Rocker Switch

13 Front Fans 30 Thermostat

14 End Panel Cutaway 31 Electrical Panel Plexi Cover

15 Fan Motor, Evaporator 32 Magnetic Filter

16 Insulated End Glass 33 Rear Grill

17 Shelf Bracket 34 Lower Rear Stiffener

35 Package Ledge

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TROUBLESHOOTING

Product is Drying Out

Water on the Floor

Excessive Fan Noise

System is not Operating

Fans Not Working

Case Lights Not Working

Check the relative humidity in the store.

Check that all of the hoses are connected.

Check that the drain trap is free of debris.

Is the evaporator pan positioned correctly under drain.

Is the evaporator pan plugged in and heating properly.

Check that the case is aligned, level and plumb.

Check that nothing is obstructing the blade rotation.

Check that the fan shroud is properly secured.

Check that the utility power is on.

Check that the MAIN power switch is on.

Check the circuit breaker box for tripped circuits.

Check that the fans are plugged in at the fan shroud.

Determine if there is ice build up blocking the fan.

Check bulbs for proper installation and connection.

Check for burned out bulbs.

Clean dirt and dust from the bulbs to prevent flickering.

Not Holding Temperature

Condensing Unit Not Operat­ing (self contained unit).

Check that the coil fans are working.

Check that the discharge air is not disrupted or blocked by
product.

If a large amount of warm product was added to the case, it will
take time for the temperature to adjust.

Check the coil for ice build up.

Check that the condenser coil is clean (self contained unit).

Check that the case is not in the sun or near a heat or air­conditioning vent.

Case temperature will rise during defrost mode but will return
to normal. Proper product temperature will be maintained.

Is case located near front doors.

Check that the power is turned on.

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WIRING DIAGRAM RCG(48/59)48R SELF CONTAINED

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WIRING DIAGRAM RCG(48/59)48R REMOTE

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WIRING DIAGRAM RCG 7748R SELF CONTAINED REFRIGERATION

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WIRING DIAGRAM RCG 7748R SELF REMOTE

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CLEANING SCHEDULE

Cleaning

Clean Case Exterior

Daily Weekly Monthly

The acrylic must be cleaned with a mild

X

Task

soap and water solution and a soft cloth,
(Never use a household cleaner on
acrylic).

X Clean outside surface of front curved glass

with a household or commercial glass
cleaner.

X

Clean wood, laminate and painted surfaces

with a mild soap and water solution and a
soft cloth .

X Remove rear grill. Clean under case with a

vacuum. Use caution when removing
evaporator pan. Pan my be hot.

Clean Case Interior X Clean inside surface of front curved glass,

glass shelves and mirrors with a household
or commercial glass cleaner.

X

The acrylic must be cleaned with a mild

soap and water solution and a soft cloth,
(Never use a household cleaner on
acrylic).

Remove the decks and clean with soap

X

X

X

(Self contained Units) X

and water.

Vacuum tub under deck. Clean with soap

and water. Wipe dry with clean cloth.

Keep drains clean and free of debris which

could clog the drain and rob the case of
needed refrigeration.

Warning: lowering the front glass with
fingers or items inside top cap can

X

cause serious injury or damage to case.
Raise the front curved glass. Clean inside
the cavity at both ends of the hinged top
cap with a mild soap and water.

Remove the rear grill air filter and clean
rinsing thoroughly with water against air
flow direction. A mild detergent removes
smoke and grease.

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CLEANING SCHEDULE

Cleaning

Clean Condensing Coil

(Self contained Units)

Annually

X

Task

Clean the condenser coil.
Using air pressure if available, or an industrial strength
vacuum, clean the dust and dirt that collects on the
condenser coil. (Be careful not to damage the fins on
the coil.)

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WARRANTY

All sales by Structural concepts Corporation (SCC) are subject to the following limited warranty. “Goods” refers to the product or products being sold by SCC.

Warranty; Remedies; Limitations. SCC warrants that if any Goods are found by an authorized representative of SCC not to be of good material or workmanship
within one year of the date of shipments SCC will, at its option after inspection by an authorized representative, replace any defective Good or pay the reasonable
cost of replacement for any such defective Goods, provided that written notice of the defect is given to SCC within 30 days of the appearance of such defect. If
notice is not given within such period, any claim for breach of warranty shall be conclusively deemed to have been waived and SCC shall not be liable under this
warranty. If SCC is unable to repair or replace the defective Goods, SCC shall issue a credit to the Purchaser for all or part of the purchase price, as SCC shall
determine. The replacement or payment in the manner described above shall be the sole and exclusive remedy of Purchaser for a breach of this warranty. If any
Goods are defective or fail to conform to this warranty, SCC will furnish instructions for their disposition. No Goods shall be returned to SCC without its prior con­sent.

SCC’s liability for any defect in the Goods shall not exceed the purchase price of the Goods. SCC SHALL HAVE NO LIABILITY TO PURCHASE FOR CONSE­QUENTIAL DAMAGES OF ANY KIND WHATSOEVER, INCLUDING, BUT NOT LIMITED TO, PERSONAL INJURY, PROPERTY DAMAGE, LOST PROFITS, OR
OTHER ECONOMIC INJURY DUE TO ANY DEFECT IN THE GOODS OR ANY BREACH OF SCC, SCC SHALL NOT BE LIABLE TO THE PURCHASER IN
TORT FOR ANY NEGLIGENT DESIGN OR MANUFACTURE OF THE GOODS, OR FOR THE OMISSION OF ANY WARNING THEREFROM.

SCC shall have no obligation or liability under this warranty for claims arising from any other party’s (including Purchaser’s) negligence or misuse of the Goods or
environmental conditions. This warranty does not apply to any claim or damage arising for or cause by improper storage, handling, installation, maintenance, or
from fire, flood, accidents, structural defects, building settlement or movement, acts of God, or other causes beyond SCC’s control.

Except as expressly stated herein, SCC makes no warranty, express, implied, statutory or otherwise as to any parts or goods not manufactured by SCC. SCC
shall warrant such parts or Goods only (I) against such defects, (II) for such periods of time, and (III) with such remedies, as are expressly warranted by the manu­facturer of such parts of Goods. Notwithstanding the foregoing, any warranty with respect to such parts of Goods and any remedies available as a result of a
breach thereof shall be subject to all of the procedures, limitations, and exclusions set forth herein.

THE WARRANTIES HERIN ARE IN LIEU OF ALL WARRANTIES, EXPRESS, IMPLIED, STATUTOTY, OR OTHERWISE. IN PARTICULAR, SCC MAKES NO
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

No representative, agent or dealer of SCC has authority to modify, expand, or extend this Warranty, to waive any of the limitations or exclusions, or to make any
different or additional warranties with respect to Goods.

Period of Limitations. No claim, suit or other proceeding may be brought by Purchaser for any breach of the foregoing warranty or this Agreement by SCC or in
any way arising out of this Agreement or relating to the Goods after one year from the date of the breach. In the interpretation of this limitation on action for a
breach by SCC, it is expressly agreed that there are no warranties of future performance of he goods that would extend that period of limitation herein contained
for bringing an action.

Indemnifications. Purchaser agrees to indemnify, hold harmless, and defend SCC if so requested, from any and all liabilities, as defined herein, suffered, or
incurred by SCC as a result of, or in connection with, any act, omission, or use of the Goods by Purchaser, its employees or customers, or any breach of this
Agreement by Purchaser. Liabilities shall include all costs, claims, damages, judgments, and expenses (including reasonable attorney fees and costs).

Remedies of SCC. SCC’s rights and remedies shall be cumulative and may be exercised from time to time. In a proceeding or action relating to the breach of this
Agreement by Purchaser, Purchaser shall reimburse SCC for reasonable costs and attorney’s fees incurred by SCC. No waiver by SCC of any breach of Pur­chaser shall be effective unless in writing nor operate as a waiver of any other breach of the same term thereafter. SCC shall not lose nay right because it has not
exercised it in the past.

Applicable Law. This Agreement is made in Michigan and shall be governed by and interpreted according to Michigan law. Any lawsuit arising out of this Agree­ment or the Goods may be handled by a federal or state court whose district includes Muskegon County, Michigan, and Purchaser consents that such court shall
have personal jurisdiction over Purchaser.

Miscellaneous. If any provision of this Agreement is found to be invalid or unenforceable under any law, the provision shall be ineffective to that extent and for the
duration of the illegality, but the remaining provisions shall be unaffected. Purchaser shall not assign any of its rights nor delegate any of this obligations under this
Agreement without prior written of SCC. This Agreement shall be binding upon and inure to the benefit of SCC and Purchaser and each of their legal representa­tives, successors and assigns.

SCC warrants its products to be free of defects in materials and workmanship under normal use and service for a period of one (1) year from the date of delivery.

This warranty is extended only to the original purchaser for use of the Goods. It does not cover normal wear parts such as plastic tongs, tong holders, tong cables,
bag holders, or acrylic dividers.

General Conditions. All service labor and/or parts charges are subject to approval by SCC. Contact the Customer Service Department in writing or call 231-798-

8888.

All claims must contain the following information: (1) the model and serial code number of the equipment; (2) the date and place of installation; (3) the name and
address of the agency which performed the installation; (4) the date of the equipment failure; and (5) a complete description of the equipment failure and all cir­cumstances relating to that failure.

Once the claim has been determined to be a true warranty claim by SCC’s Customer Service Department, the following procedure will be taken: (1) replacement
parts will be sent at no charge from SCC on a freight prepaid basis; (2) reimbursement for service labor will be paid if the following conditions have been met— (a)
prior approval of service agency was awarded from the Customer Service Department; and (b) an itemized statement of all labor charges incurred is received by
the Customer Service Department. The cost of the service labor reimbursement will be based on straight time rates and reasonable time for the repair of the de­fect.

If problems occur with any compressor, notify SCC’s Customer Service Department immediately. Any attempt to repair or alter the unit without prior consent from
the Customer Service Department will render any warranty claim null and void. This warranty and protection plan does not apply to any condensing unit or any part
thereof which has been subject to accident, negligence, misuse, or abuse, or which ahs not been operated in accordance with the manufacturer’s recommenda­tions or if the serial number of the unit has been altered, defaced, or removed.

Limit of Liability. The limit of liability of SCC toward the exchange cost of the original condensing unit, F.O.B. SCC, Norton Shores, MI, of each motor-compressor
assembly replaced during the warranty shall not exceed manufacturer's current established wholesaler’s exchange price and in no case shall the labor of removing
or replacing the motor-compressor or parts thereof be the responsibility of SCC.

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TECHNICAL SERVICE

TECHNICAL SERVICE DEPARTMENT

1.800.433.9489

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