CONVERTIBLE SERVICE ABOVE REFRIGERATED SELF-SERVICE (HOU[L*]52R)
NON-REFRIGERATED SERVICE ABOVE REFRIGERATED SELF-S ERVICE (HU DL R[L*]52)
REFRIGERATED SERVICE ABOVE REFRIGERATED SELF-SERVICE (HURLR[L*]52)
NON-REFRIGERATED SERVICE BESIDE REFRIGERATED SELF-SERVICE (HVLD[L*]RSS)
REFRIGERATED SERVICE BESIDE NON-REFRIGERATED SERVICE (H5C[L*]50LR or RR)
NON-REFRIGERATED SERVICE ABOVE REFRIGERATED SERVICE (HSL[L*]50 R)
REFRIGERATED SERVICE ABOVE REFRIGERATED SELF-SERVICE WITH REAR STORAGE (HVOU[L*]RSS)
PLEASE NOTE THE FOLLOWING:
1. YOUR SPECIFIC MODEL NUMBER IS ON THE SERIAL LABEL ON CASE REAR (NEAR MAIN POWER SWITCH).
2. CASES SHOWN REFLECT FULL & OPEN END PANELS / STRAIGHT OR ANGLED BASES. YOURS MAY DIFFER.
3. SEE “MODELS (AND THEIR RESPECTIVE CASE DIMENSIONS) LISTED IN THIS MANUAL” SECTION FOR
ADDITIONAL INFORMATION REGARDING SPECIFIC CASE DIMENSIONS OF STANDARD MODELS AND
4. *[L] DENOTES VARIETY OF CASE LENGTHS.
CDRs.
HOU[L*]52R w/Optional
Lower Display Steps
HVLD[L*]RSS With
Straight Base
HOU[L*]52R
Optional Angled Base
H5C[L*]50LR or RR
Straight Base / Cutaway Ends
Structural Concepts Corporation · 888 E. Porter Road · Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 · www.structuralconcepts.com
TROUBLESHOOTING - GENERAL ISSUES ………………………………………..…………...……………
TROUBLESHOOTING - CONDENSING SYSTEM ………………………………..……………..…..……….
TROUBLESHOOTING - EVAPORATOR SYSTEM ………………………………..……………..…………...
PREVENTIVE MAINTENANCE (TO BE PERFORMED BY TRAINED SERVICE PROVIDER) …...........
SERIAL LABEL INFORMATION & LOCATION ..……………………………………...…....…………..……..
TEMPERATURE CONTROLLER - CAREL® ...…. ……………………..……..…………………...…………
TEMPERATURE CONTROLLER - CPC® .…………………………………………………………………….
TECHNICAL SERVICE CONTACT INFORMATION & WARRANTY INFORMATION ...……….…...........
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9
10
11
12
13
14
15
16-17
18
19
20
21
22
23
24
25
26-28
29
30
31-32
33
34-33
37-38
39
2
MODELS LISTED IN THIS MANUAL / DETERMINING THEIR RESPECTIVE CASE DIMENSIONS
DETERMINING YOUR MODEL AND ITS CASE DIMENSIONS:
Note 1. Your model number can be found on serial label at rear of case (near main power switch).
Note 2. Dimensions of most models can be found at www.structuralconcepts.com. Simply enter
the case model number into the Product Number Search box. Click the product specification link
for complete dimensions.
Note 3. If your specific model is not found, contact technical service (phone number is listed at
Technical Service section in this manual) for dimensions.
Note 4. CDRs (Customer Design Requests) are listed with a 4-digit number. All CDR dimensions
are identical to standard model dimensions.
NOTE: THIS OPERATING MANUAL ENCOMPASSES THE FOLLOWING (AND
POSSIBLY OTHER) STRUCTURAL CONCEPTS MODELS:
Wiring runs case to case through base cut-outs.
Knockout is provided in bottom of wire-way for
stub-up connection.
See illustration at top-right.
Note: Wiring process must be performed by
certified electricians only.
Voltage rating is on serial label at case rear.
B. Rear Ballast Box
Remove 4 screws from ballast box face.
Remove screws from rear panel (if any).
Remove 3 screws from inner support.
Knockouts are located on side and rear of box
for making electrical connections.
Note
: Wiring process must be performed by
certified electricians only.
Serial label (at case rear) lists voltage rating.
C. Front Ballast Box
Remove front panel.
Stub-up connections are in ballast box.
Remove ballast box covers.
Knockouts are on sides and front of ballast
assembly for making electrical connections.
: Wiring process must be performed by
Note
certified electrician only.
Voltage rating is on serial label at case rear.
8. Cases With Casters: Lock and Unlock
To lock casters, press down on lever.
To unlock casters, pull lever up.
See illustration at right.
9. Cases With Levelers: Adjust Levelers
After case is in position, adjust case so it is level
and plumb (see illustration at right).
You may need to remove front and/or rear
Toe-Kick to access levelers.
Use adjustable wrench (and possibly a pry bar)
to adjust leveler.
Do not use pry bar on toe-kick (it may buckle).
Do not use pry bar on end panel (it may chip).
Use pry bar ONLY on base frame to avoid
damaging case.
Use a block to reach base frames with pry bar.
See illustrations at right.
Wireway
Inner Support
Side View
Front Ballast
Box Covers
ed
k
Loc
Pry Bar
Block
Ballast
Raceway
Cover
Ballast Box
Case
Rear
Case Rear
Electrical Leads
Access
d
e
k
c
o
l
n
U
Adjustable
Wrench
Base
Frame
Leveler
Toe-Kick
8
INSTALLATION: FRONT GLASS ALIGNMENT & ADJUSTMENT (CURVED & FLAT FRONT GLASS)
10. Front Glass Alignment & Adjustment via Levelers (For Curved and Flat Front Glass)
Proper alignment of the front glass is important to create and maintain a seal inside the case.
Improper alignment can cause air leaks compromising the environment inside the case and create
condensation.
Follow the five steps listed below to assure proper front glass alignment.
1. Side-to-Side Leveling: Place a level on top of
display case (parallel to the front glass). Raise or
lower either side of the case by rotating levelers to
center the level bubble.
2. Front-to-Back Leveling: Place a level on top of
case, perpendicular to front glass. Raise or lower
either side of case by rotating levelers to center the
level bubble. Double-check the side-to-side level.
—- Front Glass —-
Case with Curved
Front Glass
Case with Flat
Front Glass
END
PANEL
CURVED
FRONT
GLASS
3. If FRONT-LEFT CORNER
is too close to end panel (or
hitting it), adjust levelers at
the BACK LEFT CORNER
of case DOWNWARD.
CURVED
FRONT
GLASS
LIFT
5. Verification: After inserting shims (or adjusting levelers), open and shut
the front glass to confirm proper fit.
Verify (again) that front glass is properly aligned at left-hand and right-
hand side of the case.
If not, repeat the shimming procedure (or leveler adjustment) until the
front glass is properly aligned along both sides of the case.
END
PANEL
4. If FRONT-RIGHT CORNER
is too close to end panel (or
hitting it), adjust levelers at the
BACK RIGHT CORNER of
case DOWNWARD.
LIFT
I:\Oper Manuals\Specialty\Front_Glass_Alignment_Adjustment_Sheet_545 47.pu b
11. Refrigeration Line Stub-Up Connections
(Remote Units)
Remove front panel.
Refrigerant stub-up access opening is at the
front on the left hand side of the base (see
illustration at top-right).
Stub-up connections are accessed from inside
the case.
Remove interior ABS decks.
Remove fan shroud assembly.
Line connections are in the tub front, on the left
hand side
Remove foam material from the entry hole
provided in the tub drain trough.
Route refrigerant lines through access hole.
Run case-to-case connections through
cutouts in base.
Sweat the high and low pressure
Cutout
Refrigeration
Line Stub-Ups
Access
Drain Stub-Up (may be
at case center in
extended length cases)
connections.
Fill access hole with suitable filler to insure
watertight integrity of tub.
Illustration at top-right may not reflect every
feature or option of your particular case.
12. Refrigeration Drain Connection
(Remote Units)
Depending upon drain access needs, either front
or rear panel may be removed to gain access to
drain stub-up.
1.5” male PVC stub-up connection is under the
case on the right hand side.
Drain stub-up may be at case center in extended
length cases.
Connect tub drain to floor drain. Maintain
1/4”-fall per foot to provide proper drainage.
Illustration at top-right may not reflect every
feature or option of your particular case.
13. Evaporator Pan / Drain Position
(Self-Contained Units)
Remove the Rear Panel by lifting up & out.
Slide the Condenser Unit out from case.
Condenser Unit access is now available.
Insure that the evaporator pan is installed under
the PVC condensate drain trap.
Insure that the evaporator pan is plugged into the
receptacle inside base.
Lower rear panel back into place.
See Drain, Hose and Bracket Placement
section in Operating Manual for details.
14. Electrical Wiring Diagram
Each case has its own wiring diagram
folded and in its own packet.
Wiring diagram placement may vary; it may
be placed near condenser fan cover,
ballast box, raceway cover, or other related
location.
15. Ventilation and Clearance
Self-Contained refrigerated cases must
maintain airflow clearance of 6” (minimum) to
12” (recommended) at front and rear.
Restriction of air can void warranty.
Illustration below may not reflect every feature
or option of your particular case.
Check air grilles for obstructions.
Maintain airflow clearance of 6” (min.)
to 12” (recommended) at front & rear.
10
INSTALLATION: DISPLAY CASE START-UP / REAR STORAGE (MODEL HVOU[L]RSS ONLY)
16. Display Case Start-Up
A. Case
Turn main power on at case rear.
From the front of the case, lift curved front glass
Raceway Plugs
(See Illustration
Below)
Rear Doors
by grasping lift handle and raising (see
illustration at right).
Lift deck to check that coil fans are running.
Coil fans (and in self-contained units, compressor
motor) should turn on.
Front Panel
Louvers
B. Rear Storage (Model HVOU[L]RSS only)
Illustration below reflects view of rear storage
area on model HVOU[L]RSS.
Rear sliding doors provide access to area.
Rear Storage with
Acces via Rear
Sliding Doors
Model HVOU[L]RSS: Rear Storage with
Access via Rear Sliding Doors
Lift Handle
to Curved
Front Glass
Temperature
Controller
Light Switch
Lift Handle
Deck Removal
for Coil Fans
Access
Coil Fans
Main Power
Switch
11
Rear
Doors
Raceway
Plugs
INSTALLATION: DISPLAY CASE START-UP, LIGHTS, TEMPERATURE CONTROLLER, SST
C. Lights
Turn lights on.
Raceway
Cap
Self-Contained units: Switch at rear.
Remote cases: NO SWITCH (lights come
on when main power switch is turned on).
All lights should come on at the same time. First
time lighting may require a short warm-up period.
Slightly dim / flickering of new bulbs is normal. If
lights do not turn on, check raceway plugs.
Lighting is wired in series so all lights must be
Receptacle
plugged in or receptacles capped for case
lights to be on. See illustration below right.
LED Lights: If lights do not come on, check that
Raceway Receptacle, Plug and Cap
plug is properly inserted into socket.
D. Temperature Controller (All Self-Contained
Units and some Remote Units)
Check that compressor symbol light is on.
Depending upon SCC-Supplied temperature
controller, compressor is identified with either:
Compressor symbol (common in Carel®
temperature controllers).
Sample Carel® Controller Face
Snowflake symbol (common in CPC®
temperature controllers).
After case has run for a few minutes, check that
temperature starts to drop.
If temperature controller does not begin cooling
(in a few minutes) see temperature controller
section in this operating manual for instructions.
Remote units (without temperature controller on
case): Verify that refrigeration requirements listed
on serial label (found on the case) are being met.
E. Saturated Suction Temperature (Remote Units)
See serial label on case for suction temperature
Sample CPC® Controller Face
requirements and BTU requirements.
See serial label on case for defrost schedule and
temperature termination parameters.
Plug
12
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