hussman GSVM User Manual

MODEL: GSVM – Self Contained Medium
Temperature Cases for Dairy,
Beverages, and Deli Products
OII - GSVM
January 2005

Operating and Installation

Instructions

TABLE OF CONTENTS

Page

Introduction 4
Inspection 4

Location and Clearance 4
Skid 4
Leveling 5
Sealing 5

Access Panel Removal 5
Legs 5
Serial Plate 5
Air distribution and Product Loading 6
Power Requirements 6
Electrical Box 6
Power Switch 6
Defrost Time Clock 6 & 7
Connections 7
Drains 7 & 10

Dimensions 8
Electrical 8
BTU Capacity 8
Shelving Maximum Weight Capacities 8 & 9

Temperature Control 9
Condensing Unit 10
Shelves 10
Thermometer 10
Lighting 10
Light Switches 10
Ballasts 11
Cleaning Exterior, Interior, Stainless Steel Surfaces 11

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TABLE OF CONTENTS CON’T

Page

Refrigeration 11
Leak Testing 12
Evacuation 12
Temperature Control 13
Evaporator Fan Motors 13

Trouble Shooting Charts 14 – 16

GSVM Accessories 16 – 17

Warranty and Parts Information 17

Wiring Diagrams 18 – 21

This GSVM case was manufactured in Gloversville, New York. Our phone #’s are (518)
725-0644 for New York State residents and our toll free #800-753-7790 for outside New
York – should you have further questions.

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INTRODUCTION –

The Hussmann Model GSVM open
vertical merchandiser offers versatility in
the display of medium temperature (35­41ºF) products such as diary products,
prepared salads, pizza and fresh entrees
that are pre-chilled in a cooler.

So that you can realize maximum
benefit from this fine piece of equipment
we urge both you and your installer to
carefully read and follow this brief set of
instructions prior to installation of the
equipment.

INSPECTION –

The equipment has been skidded
and crated prior to shipment from the
factory. It is the carrier’s responsibility to
deliver it to you in good condition until
such time as you sign for it.

Upon receipt of the cabinet,
examine the packaging for damage. If the
packaging is damaged, make specific
notation on the delivery ticket as to the
location and extent of damage prior to
signing for the piece.

Carefully remove packaging and
examine the cabinet for damage. If
damage is found, contact the delivering
carrier immediately and request that his
agent prepare an inspection report for the
purpose of filing a claim. THIS IS YOUR
RESPONSIBILITY, NOT THE
FACTORY’S.

Save all packaging materials and
move the cabinet as little as possible prior
to inspection.

LOCATION and CLEARANCE –

It is important that careful
consideration be given to locating the
cabinet away from an area where direct
sunlight would shine into the fixture, or
where drafts from air conditioning grilles,
fans, and open doors could affect its
operation.

The GSVM4060 and 4072 have
front condenser air intake and discharge.
A minimum distance of two feet must be
left open in front of the case so that air
discharge and intake to the condensing
unit is not obstructed.

The GSVM5272 model requires a
5" minimum clearance behind the case
and clear above the case since it has
straight through condenser air flow.
Brackets are provided for field
attachment to obtain the 5" spacing.

–

SKID

The skid should be left on the
cabinet until it is near its final location.
The skid provides protection for both case
and floor.

The skid is removed b

raising one
end of the case approx. 6", block securely
and remove the 2 skid bolts on the raised
end – then screw back into the holes 2 leg
levelers.

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The procedure is repeated on the op­posite end. When the leg levelers are in
place, the case may be slid off the skid and
placed in its final location.

LEVELING

–

The cabinet must be leveled pr operly
to insure full drai nage of condensate water
from the evaporator coil. Level the case
fr om front to rear and end to end. Stan­dard levelers, packed inside the case, or op­tiona l legs can be provided for this purpose.

SEALING

–

Once the case is properly leveled, the
cas e should be sealed to the flo or as s hown
in the follow ing drawing, using an NSF ap­proved material such as General Electric
RTV-102 sil icone s eal er or equivalent .

Silicone Sealant

Floor

ACCESS PANEL REMOVAL

–

The louvered access panel on the
lowe r fr ont of the c ase pro vid es access to
the condensing unit, electrical box and con­densate pan. Remove panel by removing
screw at bottom and lift ing up and pulling
forward.

DRAINS –

R em ote draining is not re quired in
self-contained models. The condensate
water from the evaporator drains out
through the bottom of the cabinet,
through a copper trap atta ch ed to the un­derside a nd into the condensing unit com­partment to a heated condensate pan.

Until this trap gets filled with wa­ter fr o m th e ini t i al d e fros t, there may b e a
small frost buildup in the coil area on
startup, whi ch shoul d disappear after the
first defrost. The pan uses a thermistor to
sense the presence of water in the pa n and
adjusts the a mount o f heat required to
evaporate the wa ter.

LEGS (OPTIONAL)

-

If required by Health Inspectors
the levelers can be removed and replaced
with NSF Approved legs to raise the cas e 6
inche s for cl ea ning purpos es. An opti onal
skirt kit can be provided to cl ip on to the
legs.

SE RIAL PLATE

–

The seria l plate is lo cated on the in­terior top wall of the cabinet towards the
left end. It contains all pert i ne nt informa­tion su ch as m odel , cabi net seri al number,
am pera ge rating, refrigera nt type and
charge , etc. This i nforma ti on wi ll b e
needed to install, service, or order parts
for this piece of equipment.

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AIR DISTRIBUTION and PRODUCT
LOADING –

This cabinet has a forced-air
circulation system. Air flows through the
back wall over the product on the shelves,
as well as out the honeycomb diffuser
located above the product, across the face
of the product (air curtain) and into the
return air grill.

Do not load product so that it
extends over the shelf edges or over the
return air grille.

POWER REQUIREMENTS –

The GSVM Models are equipped
for operation on a 115/60/1 power supply.

See chart in specifications for
requirements.

It is very important for the safety of
both you and your customer to have each
circuit properly grounded. A qualified
electrician should perform all wiring in
accordance with the National Electrical
Code and/or all local codes. Separate
circuits are recommended for each case in
order to prevent product loss due to
overloading or malfunction of other
equipment on the same circuit. For proper
operation of equipment, voltage as
measured at the compressor must not vary
more than 5% from the cabinet serial plate
rating. If either a high or low voltage
condition exists, contact your electrician,
local power company, or equipment
manufacturer.

ELECTRICAL BOX –

The electrical box is located behind
the louvered access panel. The box is
capable of sliding out for service after the
hold down screw is removed.

The box contains the power switch
and defrost time clock.

POWER SWITCH –

The main power switch is located
behind the front louvered access panel on
the side of the electrical box. This power
switch controls all power to the case. THE
CABINET POWER SWITCH MUST BE
IN THE OFF POSITION BEFORE
STARTING ANY CLEANING OR
SERVICE WORK ON THE
EQUIPMENT.

DEFROST TIME CLOCK –

The time clock, located in the
electrical box, provides a definite off-time
so that the evaporator will clear itself of
frost.

The clock is provided with pins to
initiate defrost. The failsafe setting sets
the length of defrost (from 2 minutes
minimum to 110 maximum).

The clock is factory pre-set for 3
defrosts (at 6 a.m. , 2 p.m. and 10 p.m.)
on the 4060 and 4072 at 20 minutes

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each. There are 4 defrost on the 5272 (2
a.m., 8 a.m., 2 p. m., and 8 p.m. ) at 30
minutes e ach

Additional defrost may be re­quired for cases located in high humidit y
or high usage cases. If possible, avoid
setting a defrost during the day, or peak
usage periods. THE CLOCK TIME
PO IN TER SHOULD BE SET TO THE
CORRECT TIME OF DAY WHEN
THE CABINET IS REA DY TO BE
STARTED.

S e tting the ti me r

– Extra pins are pro-

vided with the timer.

♦

Put pin in ho le of dial face a t the time
yo u wi sh the cabin et to d efr ost. Note
that there is an AM and PM sect ion
on the dial face. Be sure the pin is
tight.

♦

Set the length of time for the defrost
(failsafe). Push down on the adjust­ment and slide it to the length of time.
Do not s et th e time longer than 60
minutes.

♦

Set t h e time point er to the prop er
time of day and start cabinet.

CONNECTIONS

-

a. C heck c abinet thoroughly for loose

nuts and bolts and electrical connec­tions.

b. Inspect the refrigera tion lines for any

visible dama ge or chafing.

c. Replace electrical box cover.

d. Replace the louvered acce ss panel.

e. Star t the cabinet and a llow to pull

down to operating temperature befo re
loading.

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