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r
Part No. 31E1 1043
Date: 4/12/11
KYSOR/IIIIIIRREME it46e2,0 I 3 - Orfo t/-0
5201 Transport Boulevard 75 0 1 s V✓ a rw�oc�'� 1�, � Ozn
Columbus, GA 31907
706 -568 -1514
INSTALLATION
.-� OPERATION
r it. •
MANUAL
L.
QDV6V -A
C% Q
QIV6V-A, Q
*
REACH -IN DISPLAY CASES
IMPORTANT - KEEP IN STORE FOR FUTURE USE
Table of Contents
Introductions — General Information 5 QIV6V, QLV6V — 02A / 03A / 04A / 05A
Icon Key 5 Eliminator Door (Anthony) 12
Case Description 5 Capacities 12
Receiving/Shipping Damage /Lost Items 5 Refrigeration Data — Ice Cream 12
Refrigerant 6 Refrigeration Data — Frozen Food 12
Cross - Section and Plan View 7 Electrical Data 12
QDV6V, QIV6V, QLV6V 2 — 5 Door Defrost Data 12
Cross - Section 7 Maximum Shelving Size Recommended: .13
QDV6V, QIV6V, QLV6V Plan View 8 Not to exceed 27" 13
Case Data 9 Air Current 13
QDV6V — 02A / 03A / 04A / 05A Testing and Design Conditions 13
Standard Door (Anthony) 9 Operational Issues 13
Capacities 9 Case Installation 13
Refrigeration Data 9 Preparation 14
Electrical Data 9 Condensation Prevention 14
Defrost Data 9 Installation 14
QDV6V — 02A / 03A / 04A / 05A Unpacking 14
Eliminator Door (Anthony) 10
Installing First Case 15
Capacities 10
Installing Subsequent Cases 16
Refrigeration Data 10
Joining Instructions 17
Electrical Data 10
Figure 1 — Caulking Diagram 17
Defrost Data 10
Align Bolt Holes on Side of Cases ....17
QIV6V, QLV6V — 02A / 03A / 04A / 05A
Standard Door (Anthony) 11 Align Bolt Holes on Side of Cases ....17
Capacities 11 Waste Outlet (Drip Pipe) Description and
Location 20
Refrigeration Data — Ice Cream 11
Waste Outlet (Drip Pipe) Field
Refrigeration Data — Frozen Food 11 Installation Guidelines 20
Electrical Data 11 Case Freezing 20
Defrost Data 11 Drain Strainer 20
3
Electrical Connections — General 21 Warranty 36
Safety Precautions 21 Contact Information 40
Wiring Diagram 22
Electric Defrost 22
Hot Gas Defrost 23
Off-Cycle Defrost 24
Optional Diagrams for Remote Condensing
Unit & Paragon Timer 25
Electric Defrost with 208V Condensing
Unit 25
Off -Cycle Defrost with 115V Condensing
Unit 26
Off -Cycle Defrost 208V with Condensing
Unit 27
Fan Relay Assembly/Wiring 28
Wire Number 29
•
Refrigeration Piping and Dehydration 29
Opening a Ferrule Hole 29
Recommended Piping Instruction 30
Suction line: 31
Expansion Valve and Superheat 31
Setting Superheat 31
Operation 32
Loading 32
Air Current Performance 32
Normal Operation 32
Cleaning 33
Shelves 33
Mirrors 34
Honeycomb Assembly 34
Parts List 35
Common Replacement Parts 35
4
Introductions — General Information
This manual has been prepared for our customers and the personnel involved in installing and
maintaining our cases.
Kysor/Warren reach -in door merchandising cases are designed to provide years of trouble free
service. The QIV6V and QLV6V model is designed to merchandise frozen foods or ice cream.
The combination of recessed shelves, vertical lighting, large doors and energy saving features
make these cases the ideal addition to your frozen food and ice cream department. This model
offers 24" standard shelves or optional 27" shelves for extra merchandising. For your medium
temperature merchandising case needs, the QDV6V is ideal for your display of drinks, flowers,
bakery, and dairy products.
These cases should be installed and operated according to the instructions contained in this
manual to insure proper performance. They are designed for display of products in an air -
conditioned store where temperature and humidity are maintained at a maximum of 75° dry-bulb
temperatures and 55% relative humidity.
Icon Key _
' CAUTION: Failure to maintain maximum design
Caution
conditions may result in operational issues special Note
such as: increased BTUH load, high product
Warning
temperature, coil icing, product frosting, and
external sweating.
Case Description
Model Description
QDV6V (1) (3) (14) (34) Energy Efficient Medium Temp. 1, 2, 3, 4, or 5 Glass Reach -In Door Case: Dairy
QIV6V (1) (3) (14) (34) Energy Efficient Low Temp. 1, 2, 3, 4, or 5 Glass Reach -In Door Case: Ice Cream
QLV6V (1) (3) (14) (34) Energy Efficient Low Temp. 1, 2, 3, 4, or 5 Glass Reach -In Door Case: Frozen Food
Receiving /Shipping Damage /Lost Items
All equipment should be examined for shipping damage before and during unloading. If there is
any damage, the carrier should be notified immediately and an inspection requested. The
delivery receipt must be noted that the equipment was received damaged. If damage is of a
concealed nature, you must contact the carrier within three (3) days following delivery. The
consignee for all damages must file a claim with the carrier.
• • NOTE: All claims for shortages must be within 10 days after receipt of shipment.
5
Refrigerant
A variety of refrigerants can be used in the Kysor/Warren cases provided the correct expansion
valve is equipped with the case when ordered (i.e., R404A required for the end user requires
specifying the correct expansion valve for R404A refrigerant when the order is placed). Multiple
expansion valves are available, depending on end user refrigerant requirements. Expansion
valves are supplied for the refrigerant specified on the original sales order.
In addition, cases can be modified in the field to allow changing the type of refrigerant used.
This requires changing the expansion valve and distributor orifice that is currently equipped in
the case. Contact your Kysor/Warren Service Representative for additional information.
• NOTE: Refer to Case Data Control Settings for refrigeration requirements.
6
Cross - Section and Plan View
QDV6V, QIV6V, QLV6V 2 — 5 Door Cross - Section
44 1/2
42 7/8 1
FA 26 5/8 .I
FA
rA � r---�
24 X 30 -
64 7/8 Qy 1 67
84 7/8 r
r
29 1/8
151 .®�i��QYa,- rmaro• 15 7/8
�i�� OIR �I 4 m il U �
22 8 5/8
39 5/8 5 1/2
44
7
QDV6V, QIV6V, QLV6V Plan View
190 5 DOOR
120 4 DOOR .-
90 3 DOOR
60 -3/8 2 DOOR
r 2� � 48115: -5DR
36' - 3DR 38 1 151 - 4DR �- 2 h1
1 81/8 i
t PLUMBING, AREA.
• 16 1/8 29 17/32
18 3/4 REFRIGERATOR LINES.
40 1/2
34 1/32
DRAIN CONNECTION ?
USE PENETRATION\ OW/ TRAP RIGHT OR LEFT)
4 3/4 -.r y _ ELECTRICAL KOOLA E LOCATION
CASE PENETRATION
REFRIGERATION
FOOT PRINT
8
Case Data
QDV6V — 02A / 03A / 04A / O5A Standard Door (Anthony)
Capacities
Doors Facing Area (ft`) Cubic Volume (ft')
2 26 65.9
3 39 98.2
4 52 130.9
5 65 163.6
Refrigeration Data
Btuh per Door Btuh Add per Door Evaporator Discharge Air
ECM Fan Fan Motors Lights Temperature Temperature Velocity
LED Lights SP PSC T8 °F °F FPM
830 60 30 100 +28 +34 225
Electrical Data
Fan Motor Light Heater
Doors SP PSC ECM LED T8 Anti -Sweat Drain Pan Electric Defrost
Qty Amps Amps Amps Amps Amps Amps Amps Amps
2 2 0.70 0.44 0.40 0.48 1.39 0.85 N/A N/A
3 3 1.05 0.66 0.60 0.73 1.80 1.28 N/A N/A
4 4 1.40 0.88 0.80 0.98 2.32 1.71 N/A N/A
5 5 1.75 1.10 1.00 _ 1.20 2.79 2.13 N/A N/A
Defrost Data
Defrost Type Defrosts (per day) Fail Safe (Minutes) Termination ( °F)
Electric N/A N/A N/A
Hot Gas N/A N/A N/A
Off -Cycle 1 40 +45
9
QDV6V — 02A / 03A / 04A / 05A Eliminator Door (Anthony)
Capacities
Doors Facing Area (ft`) Cubic Volume (ft
2 26 65.9
3 39 98.2
4 52 130.9
5 65 163.6
Refrigeration Data
Btuh per Door Btuh Add per Door Evaporator Discharge Air
Temperature
ECM Fan Fan Motors Lights Temperature Velocity
LED Lights SP PSC T8 °F °F FPM
780 60 30 100 +28 +34 225
Electrical Data
Fan Motor Light Heater
Doors SP PSC ECM LED T8 Anti -Sweat Drain Pan Defrost
Qty Amps Amps Amps Amps Amps Amps Amps Amps
2 2 0.70 0.44 0.40 0.48 1.39 0.71 N/A N/A
3 3 1.05 0.66 0.60 0.73 1.80 1.03 N/A N/A
4 4 1.40 0.88 0,80 0.98 2.32 1.37 N/A N/A
5 5 1.75 1.10 1.00 1.20 2.79 1.67 N/A N/A
Defrost Data
I Defrost Type Defrosts (per day) Fail Safe (Minutes) Termination (°F)
Electric N/A N/A N/A
Hot Gas N/A N/A N/A
Off -Cycle 1 40 +45
10
QIV6V, QLV6V - 02A / 03A / 04A / 05A Standard Door (Anthony)
Capacities
Doors Facing Area (ft Cubic Volume (ft
2 26 65.9
3 39 98.2
4 52 130.9
5 65 163.6
Refrigeration Data - Ice Cream
Btuh per Door Btuh Add per Door Evaporator Discharge Air
Type Fan Motors Lights Temperature Temperature Velocity
ECM Fan with
LED Lights SP PSC T8 °F °F FPM
QIV6V 1440 53 29 100 -18 -12 300
Refrigeration Data - Frozen Food
Btuh per Door Btuh Add per Door Evaporator Discharge Air
T ype ECM Fan Fan Motors Lights Temperature Temperature Velocity
LED Lights SP PSC T8 °F °F FPM
QLV6V 1278 53 26 100 -12 -5 300
Electrical Data
Fan Motor Light Heater
Doors S P PSC ECM LED T8 Anti -Sweat Drain Pan Electric Defrost
Qty Amps Amps Amps Amps Amps Amps Amps Amps
2 2 1.04 0.52 0.50 0.48 1.39 3.63 0.39 6.73
3 3 1.56 0.78 0.75 0.73 1.80 5.25 0.65 10.10
4 4 2.08 1.04 1.00 0.98 2.32 7.02 0.91 13.46
5 5 2.60 1.30 1.25 1.20 2.79 8.61 1.17 16.83
Defrost Data
Defrost Type Defrosts (per day) Fail Safe (Minutes) Termination ( °F)
Electric 1 45 +65
Hot Gas 1 25 +47
Off -Cycle _ N/A N/A N/A
11
QIV6V, QLV6V - 02A / 03A / 04A / 05A Eliminator Door (Anthony)
Capacities
Doors Facing Area (ft Cubic Volume (ft
2 26 65.9
3 39 98.2
4 52 130.9
5 65 163.6
Refrigeration Data - Ice Cream
Btuh per Door Btuh Add per Door Evaporator Discharge Air
Temperature
Type ECM Fan Fan Motors Lights Temperature Velocity
LED Lights SP PSC T8 °F °F FPM
QIV6V 1238 53 29 100 -17 -12 300
Refrigeration Data - Frozen Food
Btuh per Door Btuh Add per Door Evaporator Discharge Air
Type Temperature
Fan Motors Lights Temperature Velocity
ECM Fan with
LED Lights SP PSC T8 °F `F FPM
QLV6V 1147 53 26 100 -11 -5 300
Electrical Data
Fan Motor Licht Heater
Doors SP PSC ECM LED T8 Anti -Sweat Drain Pan Electric Defrost
Qty Amps Amps Amps Amps Amps Amps Amps Amps
2 2 1.04 0.52 0.50 0.48 1.39 2.43 0.39 6.73
3 3 1.56 0.78 0.75 0.73 1.80 3.32 0.65 10.10
4 4 2.08 1.04 1.00 0.98 2.32 4.40 0.91 13.46
5 5 2.60 1.30 1.25 1,20 2.79 5.44 1.17 16.83
Defrost Data
Defrost Type Defrosts (per day) Fail Safe (Minutes) Termination ( °F)
Electric 1 45 +65
Hot Gas 1 25 +47
Off -Cycle N/A N/A N/A
12
• NOTE: For sizing conventional /individual condensing units, add 8% to BTUH load.
NOTE: Where termination temperatures are given, mechanical defrost termination is
required.
NOTE: Electrical data voltage is 115/60/1 except defrost heater which is 230/60/1.
Maximum Shelving Size Recommended:
Not to exceed 27"
Air Current
The air current is very important to the performance of this case. The load limit line (see load
case section) is the indicator of the inside edge of the air current and at no time should shelving,
product, signs, debris, etc., interfere with air current.
Testing and Design Conditions
Temperature is measured in discharge air. Defrost frequency is measured at design conditions.
Higher temperature or humidity may require more defrost and longer fail- safes. These cases are
not designed to operate in environments where the ambient temperature is greater than 75 °F and
the relative humidity is greater than 55 %. Off-cycle defrost is the recommended defrost for
medium temp cases. Hot gas or Electrical defrost is the recommended defrost for the low temp
cases. There are some exceptions, please refer to Case Data Plate. Refer to
www.kysorwarren.com for other electrical data and information.
Operational Issues
Failure to maintain maximum design conditions may result in operational issues such as:
increased BTUH load, high product temperature, coil icing, product frosting, and external
sweating. Failure to properly install electrical wiring and control wiring as per wiring diagram(s),
defrost settings, and temperature set - points may result in operational issues such as: increased
BTUH load, high product temperature, coil icing, product frosting, and external sweating.
Case Installation
These display cases may be installed individually or in a continuous line up consisting of several
2, 3, 4 and 5 sections for reach -in doors using a joint kit. A plexi -glass divider kit must be used
13
between cases operating on different refrigeration systems. The divider will be factory installed
if specified on order.
Preparation
Prepare the installation area as follows:
1. Clean area where case is to be installed.
2. Verify installation area is at least 15 feet from any outside entrances or heating and
cooling outlets.
3. Verify at least 2 feet of distance between hot and cold cases.
4. Ensure floor loading will support the case and the case contents.
5. Ensure proper AC power is available. Refer to case AC input requirements located in the
electrical connections section of this manual.
6. Ensure location will allow connection to drain and the drain line, when installed, will
meet the recommendations as set forth in the refrigeration piping and dehydration section
of this manual.
7. Ensure expansion valve in case is the proper valve for the type of refrigerant used at the
installation site.
Condensation Prevention
To prevent condensation on the end panels of cases, a minimum of 6.0 inches between walls or
other cases is required for airflow. If 6.0 inches is not possible, then the space between the cases
must be completely filled and sealed or an updraft fan kit must be installed to provide air
circulation through the space.
Installation
Instructions for unpacking, moving, loading, and lifting the case prior to installation follow:
• NOTE: Read all instructions carefully before beginning installation.
Unpacking
WARNING: Use caution when removing the strapping in the following procedure, as the
shelves are very heavy and could fall causing personal injury or equipment
damage.
1. Remove all shipping tape from lamps and ensure that all lamp ends are snapped in place.
2. Ensure the evaporator cover is installed correctly with the deck pans installed.
14
3. Move the case into position, install, adjust superheat, and perform the operational
checkout procedures following the instructions within this manual.
U CAUTION: Be careful not to damage the factory- installed end while moving the case. Use
the case lift points on the case to move it to the proper location.
Installing First Case
1. Ensure all preparation for installation, as outlined in the above paragraphs, have been
fully complied with and are complete.
2. If multiple cases are to be installed, find the highest area of the floor to place the first
case.
3. Allow a minimum of three inches for medium temp cases, and six inches for low temp
cases, between the rear of the case and the store walls and/or other cases. This space
reduces the possibility of condensation problems. It may be necessary to provide forced
air ventilation in some installations.
4. All cases must be located on a firmly based floor and be leveled within plus or minus
1/16 inch.
5. Use shims provided to support and level the entire length of your case(s). All rails of the
case must be properly shimmed and be in contact with the floor. Cases with shims on the
ends must also have shims in the middle and be no more than 4 ft. apart. All legs of the
case must be properly adjusted and be in contact with the floor.
6. If multiple cases are to be installed, refer to the floor plan and install the first case in the
lineup by snapping a chalk line where the front and rear of the cases are to be located.
7. Continue the chalk line if multiple cases are to be installed. The first case is typically the
case that is at the highest area on the floor.
8. Connect water drain line. Reference waste outlet (drip pipe) description and location
procedure later in this chapter.
9. Connect input AC power. Reference electrical installation procedure later in this manual
10. Connect refrigerant lines. Reference procedure later in this manual
11. Install all ends, caps, and trim per the applicable instructions contained in this manual.
12. Remove shipping tape on fluorescent lamps and remove all other shipping material.
13. Refer to the operational start up procedures later in this manual. If multiple cases are to
be installed, refer to the following paragraph for installing subsequent cases.
r WARNING: Cases must be leveled from front to back, end -to -end and supported
continuously as needed with shims.
15
Installing Subsequent Cases
If additional cases are to be installed, follow the same procedures as described in the installing
first case procedure (above), in addition to the following:
1. Move cases as near their permanent location as possible before removing shipping
braces, skids or rollers.
1 NOTE: All cases are factory numbered with line up and position numbers. Make sure that
cases are installed in order (line up sticker found on the fan plenum or door and on the back
panel of the case).
2. Remove skids, shipping braces and optional casters, if provided.
3. Ensure all case expansion valves are correct.
4. Do not install electrical, drain lines or refrigerant lines until all the cases have been
set/placed into position and properly leveled.
5. Do not install case trim, ends, or caps until all cases have been set into position and
properly positioned and leveled.
6. Before lining up cases using the front and rear edges as a baseline, inspect refrigeration
lines, electrical connections and controls to insure cases are in proper line up and are in
proper sequence.
7. Remove shipping tape on fluorescent lamps and remove all other shipping material.
Follow all joining instructions listed below to connect cases in a line -up.
16
Joining Instructions
Two or more cases of like models can be joined together to form a continuous line up. Before
lining up cases, inspect refrigeration lines, electrical connections and controls to insure cases are
in the proper line -up and are in the proper sequence. Reference and become familiar with the
below figure, and then join the cases using the instructions that follow.
Figure 1 — Caulking Diagram
I Bolt I
Apply caulking
as indicated by
, nhantnm line
:on
• Bolt
h -- - -. ` 4111
�u u
Align Bolt Holes on Side of Cases
•
•
•
•
•
•
•
•
Line Up Bolt a
Align Bolt Holes on Side of Cases
1. A plexi -glass divider and EPR valve must be used when joining a Q -series case with a
non -Q- series case.
2. Apply foam insulation tape and caulking around the side of the case as shown in the
diagram above.
•
17
3. Remove access covers over line up holes and insert the small line -up bolts (see previous
diagram) in the end frame in the bolt hole pattern. Place the special T -nut washer on the
3/8" machine bolt with the hollow section away from the bolt head. Tighten the 3/8" bolts
with nut washer into the T -nuts alternately until cases are pulled up tight and the joint is
completely sealed. (Reasonable care should be exercised in this procedure to prevent end
frame distortion.) Assist pulling case up tight by bumping from opposite end of case or
by using pry bar.
4. Inspect joint for proper air and watertight seal inside and outside the case.
5. Replace line up access cover plugs and plates.
6. Move cases as close together as possible and level by using the shims provided (same as
original case). Use shelf standard struts for alignment to be sure cases are level.
•
�_.
• I -
• 1 1 •
• • • 1 •
1 i Shelf standards on back
• • wall should be even when
• • • 1 1 leveled properly.
• 1 1 •
• • • 1 , 1 •
• • 1 1
• • • 1 I1
r WARNING: Cases must be leveled from front to back, end -to -end and supported
continuously as needed with shims.
18
DOOR MULLION ASSEMBLY
G P MALE SEX BOLT
0 ° 1
G
MULLION TRIM
FEMALE SEX BOLT
r
19
Waste Outlet (Drip Pipe) Description and Location
These cases are equipped with 1 'h" PVC waste outlet connection that terminates in the center of
the 2, 3, 4, and 5 door refrigerator below the insulated bottom. The water seal trap is shipped
loose for field installation.
Waste Outlet (Drip Pipe) Field Installation Guidelines
Improperly installed drip pipes can seriously affect the operation of this case and result in
increased maintenance costs. Listed below are some general rules for drip pipe installation
1. Never use a double water seal.
2. Never use a pipe smaller than the size pipe or water seal supplied with the case.
3. Always provide as much fall as possible in drip pipe. (1" fall for each 4' of drip pipe.)
4. Avoid long runs in drip pipe, which make it impossible to provide maximum fall in pipe.
5. Provide a drip space between drip pipe and floor drain or sewer connection.
Case Freezing
Do not allow drip pipe to come in contact with un- insulated suction lines, which will cause the
condensation from your case to freeze.
Drain Strainer
• NOTE: Not all Kysor /Warren cases have drain strainers. This information applies
only to the cases equipped with strainers.
The drain strainer is used to keep debris or any foreign objects from entering the PVC drain,
which could cause blockage. To install, insert into drain until drain strainer stops. It will not be
flush. Strainer will exceed hub by 1". DO NOT flatten drain strainer,
• NOTE: 1 1/2" Drain Pipe
20
Electrical Connections — General
Safety Precautions
Ensure the kick plate does not come in contact with the case electrical wiring.
Live electrical wiring that comes in contact with the case is a shock hazard that
may cause severe injury or death by electrocution. Always disconnect the
electrical power at the main disconnect when servicing or replacing any electrical
• y component. This includes, but is not limited to items such as fans, heaters,
:: ' thermostats and light bulbs. Failure to disconnect the electrical power may result
in personal injury or death,
L i CAUTION: Failure to properly install electrical wiring and control wiring as per wiring
diagram(s), defrost settings, and temperature set points may result in
operational issues such as: increased BTUH load, high product temperature,
coil icing, product frosting, and external sweating.
21
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28
•
Wire Number
The wires are clearly identified for termination purposes as follows:
Component Wire Number
Anti -Sweat Heater 1 and 2
Refrigerator Fan Motors and Drain Heater 3 and 4
Lighting Circuit 5 and 6
Defrost Heaters 7 and 8
Temperature Control 9 and 10
• Dual Temperature 15 and 16
Defrost Termination Control 17 and 18
Refrigeration Piping and Dehydration
Opening a Ferrule Hole
The refrigeration lines are located under the deck pans. A refrigeration outlet is provided in the
front right hand end of the cases. All refrigeration lines need to be as close to the drain pan as
possible so as not to obstruct the air pattern or block the deck pans.
• III COIL I , -II COIL I III COIL
II „
NO / == = = "11`
PROPER LIQUID LINE PIPING FOR MULTICASE HOT GAS DEFROST
III COIL I III COIL I III COIL
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- - -- FIELD PIPING LIQUID I 6.000
• — FIELD PIPING SUCTION -MILI-
CAP LIQUID HEADER
29
Recommended Piping Instruction
1. Proper size refrigeration lines are essential to good refrigeration performance. Suction
lines are more critical than liquid or discharge lines. Oversized suction lines may prevent
good oil return to the compressor. Undersized lines can rob refrigeration capacity and
increase operating cost. Consult the technical manual or legend sheet for proper line
sizes.
2. Refrigeration lines in cases in line -ups can be reduced. However, the lines should be no
smaller than the main trunk lines in at least 1/3 of the cases and no smaller than one size
above the case lines to the last case. Reductions should not exceed one line size per case.
It is preferred to bring the main trunk lines in at the center of line -up. Liquid lines on
systems on hot gas defrost must be increased one line size above the main trunk line for
the entire line -up. Individual feed lines should be at the bottom of the liquid header. (See
proper liquid line piping diagram.)
3. Do not run refrigeration lines from one system through cases on another system.
4. Use dry nitrogen in lines during brazing to prevent scaling and oxidation.
5. Insulate suction lines from the cases to the compressor with 3/4" wall thickness foam on
low temperature cases to provide maximum of 65- degree super heated gas back to the
compressor and prevent condensation in exposed areas. Insulate suction lines on medium
temperature cases with 1/2" thick insulation in exposed areas to prevent condensate drop -
off.
6. Suction and liquid lines should never be taped or soldered together. Adequate heat
exchanger is provided in the case. Kysor/Warren recommends use of heat exchanger in
all medium and low temperature case that are not mechanically sub - cooled for proper
operation.
7. Refrigeration lines should never be placed in the ground unless they are protected against
moisture and electrolysis attack.
8. Always slope suction lines down toward the compressor, 2" each 10'. Do not leave dips
in the line that would trap oil.
9. Provide P traps at the bottom of suction line risers, 4' or longer. Use a double P trap for
each 20' of risers. P traps should be the same size as the horizontal line. Consult the
technical manual or legend sheet for proper size risers.
10. Use long radius ells and avoid 45 degree ells.
11. Provide expansion loops in suction lines on systems on hot gas defrost. An expansion
loop is required for each 100' of straight run.
12. Strap and support tubing to prevent excessive line vibration and noise.
13. Brazing of copper to copper should be with a minimum of 10% silver. Copper to brass or
copper to steel should be with 45% silver.
14. Do not use bullhead tees in suction lines. An example is where suction gas enters both
•
ends of the tee and exits the center. This can cause a substantial increase in pressure drop
in the suction lines.
30
15. When connecting more than one suction line to a main trunk line, connect each branch
• with an inverted trap.
Suction line:
1. Pitch in direction of flow.
2. Suction lines should enter at the top of the branch line.
3. May be reduced by one size at one third of case run load and after the second third. DO
NOT reduce below the case suction line size.
Expansion Valve and Superheat
CAUTION: During service of this equipment, precautions should be taken to prevent loss
of refrigerant to the atmosphere. Always install the expansion valve stem cap
after making valve adjustments.
Setting Superheat
The expansion valve furnished with your case has been sized for maximum coil efficiency. To
adjust superheat, perform the following:
1. Place a thermocouple near the expansion valve bulb. Read the suction line pressure as
near coil as possible. If closest is at the condensing unit, estimate suction line loss at 2
PSIG.
2. Convert coil suction pressure to temperature. The difference between coil temperature
and the thermocouple temperature is superheat. Use average superheat when expansion
valve is hunting.
3. Do not set the superheat until cases have pulled down to operating temperature and never
open or close the valve over'' turn between adjustments and allow 10 minutes or more
between adjustments.
4. Superheat should be set at 6 -8 °F.
5. After the initial setting, the superheat should be rechecked when product is stocked and at
designed temperature.
Superheat Calculations
Example: R404
+ 33 F Suction temperature
± 28 F Suction pressure converted to temperature
= +5 F Superheat
#.1
y �
+ 33 F Suction Temperature
Suction Pressure
I 66.7 PS1G
31
Operation
Loading
Merchandise should not be placed in the fixture until all controls have been adjusted and the case
is at the proper temperature. At no time should the case be stocked beyond the load line or over
the front edge of adjustable shelves.
i i
- - + Load Limit
_ _ _1 4r...---- r -
1 .
,..
Air Current Performance
Air discharge and return flues must remain open and free of debris or obstruction at all times to
provide proper refrigeration and air current performance. Do not allow any product, signs,
debris, etc. to block these grilles. Do not use any non - approved shelving, display racks or any
accessory that could hamper air current performance.
WARNING: Do not walk on top of the cases! This could result in damage to the case and
serious personal injury could occur. These cases are not designed to support
excessive external weight. Do not use top of cases for storage.
Normal Operation
1. Off -Cycle Defrost is standard on medium temperature models. The fans run continuously
and defrost termination is by thermostat or temperature probes.
2. Electric Defrost Models are standard for low temperature cases. Electric heaters are
utilized to melt the frost and ice on the coil. The heaters are located in the air stream
underneath the coil. The defrost cycle is time initiated and temperature terminated. Case .
fans shut off during defrost. During refrigeration the fans start after the evaporator coil
temperature reaches 10 °F and run continuously thereafter. As a safety precaution, a safety
32
cutoff Klixon is wired in series with the defrost heater to turn the heater off at
temperatures above 65 °F.
3. Hot Gas Defrost Models (optional for parallel compressor operation only) hot gas is
routed through the suction line and evaporator coil. It exits the coil through a by -pass
around the expansion valve and heat exchanger to return to the liquid line where the
condensed liquid is use to feed the other cases on the same parallel case. The evaporator
fans are controlled by evaporator temperature through a thermostat. The defrost cycle is
time initiated and should be temperature terminated. (See case data information)
4. Single Condensing Case Systems — A thermostat should be used to control case
temperatures. The thermostat bulb should be mounted in the discharge air (see case data
if your case is a single condensing case system).
NOTE: Where termination temperatures are given, mechanical defrost termination is
required.
Cleaning
As a general rule, always use mild soap and water to wipe the case down. Special precautions
must be taken when cleaning some components of the case.
Exterior surfaces should be cleaned with warm water and mild soap to protect and maintain the
finish. Do not use cleaners containing abrasive materials or ammonia, which will scratch or dull
the finish. The waste outlet should be flushed with water following each cleaning.
Interior surfaces may be cleaned with most mild soap formulas, ammonia based cleaners and
sanitizing solutions with no harm to the surface.
Personal Safety
1. Always shut power off during the cleaning process. Cleaning the case with electrical
power applied is a shock hazard that may cause serious injury or death.
2. Do not use hot water on cold glass surfaces. This could cause the glass to shatter and
could result in personal injury. Glass fronts and ends should be warm before applying hot
water.
Case Damage Prevention:
1. Do not use solvent, oil or acidic -based cleaners on any interior surfaces as the surface
may become damaged.
2. Do not use abrasive cleaners and scouring pads, as these will mar the finish.
3. Never introduce water into the case faster than the waste outlet can release it.
4. Do not use steam or high pressure systems to clean the case as seals may be broken
which will cause the case to leak.
Shelves
• Do not use a hose or submerge shelves in water. When cleaning lighted shelves; wipe down the
shelves with a wet sponge or cloth so that water does not enter the light rails.
33
Mirrors
Mirrors are sheets of clear glass that have a very thin reflective coating applied to one side.
These coatings are susceptible to deterioration if certain cleaning solutions and even water are
allowed to come in contact with them. Every precaution should be made to keep liquids away
from the coated side of the mirrors. If liquids are allowed to flow along the face side of the
mirror to its edge, the liquid can seep between the coating and the glass, causing serious damage.
Prolong the life of the mirrors
• Use only mild cleaning solutions (Windex, Solox, or a weak solution of vinegar and
water).
• Do NOT spray liquids on mirrors. Dampen the cleaning cloth, and then use the cloth to
wipe the mirror.
• Wipe water from the mirrors immediately to prevent difficult to remove water spots and
also to prevent the water from reaching the mirrors edge.
• Never use dirty cloths, scrapers or any other abrasive materials for cleaning.
Honeycomb Assembly
The honeycomb should be cleaned every 6 -8 months, depending on store conditions. The
honeycomb may be cleaned with a vacuum cleaner or removed to be washed with soap and
water. The honeycomb must be completely dry before returning it to the case. Note the position
and angle of the honeycomb when removing from the case. Honeycomb must be replaced at the
same angle.
I.
•
fir • -'I� To remove honeycomb from case,
take out screws located here.
34
Parts List
Common Replacement Parts
Part No. Quantity
Description 2 — 5 DOOR
QIV6V / QLV6V QDV6V 2 DR 3 DR 4 DR 5 DR
Fan Motor STD 09A10041 09A10040 2 3 4 5
Fan Motor PSC 09A10055 09A10097 2 3 4 5
Fan Motor ECM 09A10107 09A10107 2 3 4 5
Fan Blade, 8" Diameter 09B10043 09B10061 2 3 4 5
Honeycomb -White 13A15028 13A15028 2 3 4 5
Honeycomb - Black 13A15058 13A15058 2 3 4 5
Fan Bracket STD 54V11869 54V11869 2 3 4 5
Fan Bracket PSC /ECM 54V11870 54V11870 2 3 4 5
• Deck Pan Metal 54N18496 54N18496 2 3 4 5
Deck Pan White 13A10625 13A10625 2 3 4 5
Deck Pan Black 13A10624 13A10624 2 3 4 5
External Drain Trap 96H41207 96H41207 1 1 1 1
Defrost Control (Hot Gas) 08A11217 N/A 1 1 1 1
Defrost Control (Electric) 08A11048 N/A 1 1 1 1
Electric Defrost Safety 08A11050 N/A 1 1 1 1
NOTE: Standard parts are provided in the parts lists. Cases may be equipped with
specialty parts that were incorporated into the case(s) at the time they were
manufactured. It is important to have the case serial number when contacting
Kysor /Warren for replacement parts.
35
Warranty
Rev. 4.1.2009
DIVISION OF KYSOR INDUSTRIAL CORPORATION 5201 Transport Boulevard Columbus,
Georgia 31907 706 -568 -1514
ONE -YEAR WARRANTY
KYSOR/WARREN warrants to the original purchaser this new equipment and all parts thereof,
to be free from defects in material and workmanship under normal use and service. If any part or
parts of the equipment should prove defective during the period of one year from installation
date (not to exceed one year and thirty days from the date of original shipment from the factory),
KYSOR/WARREN hereby guarantees to replace or repair, without charge (F.O.B. Columbus,
Georgia), such part or parts as proven defective, and which KYSOR/WARREN'S examination
disclosed to its satisfaction to be thus defective, with a new or functionally operative part. The
liability of KYSOR/WARREN under this warranty shall be limited to claims made by the
original purchaser to KYSOR/WARREN or KYSOR/WARREN'S authorized dealer or
distributor within the warranty period.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO ANY WARRANTY
OF MERCHANTABILITY OR FITNESS, AND ALL OTHER OBLIGATIONS OR
LIABILITIES OF KYSOR/WARREN.
I. GLAZING: Glass is not guaranteed against breakage. If this refrigerator is equipped with a
glazing assembly carrying the manufacturer's brand name (Thermopane, Twindow, etc.), the
manufacturer's glazing warranty in effect at the time of this shipment is extended to that
assembly.
II. BULBS: Light bulbs and fluorescent lamp tubes are not covered by any warranty for length
of life or for any type of breakage.
III. THIS WARRANTY SHALL NOT APPLY:
1. To the condensing unit used with refrigerated equipment unless same was sold and
shipped by KYSOR/WARREN.
2. When this equipment or any part thereof is damaged by accident, fire, flood, act of
God, alteration, abuse, misuse, tampering, when the original model and serial
number plate has been altered, defaced, or removed or used other than the
recommended application by KYSOR/WARREN.
3. When this equipment or any part thereof is subject to operation on low, high or
improper voltages. Low and high voltage is defined as more than a 5% drop below
or 10% higher than name plate voltage ratings. NOTE: Proper field supply voltage
to the equipment is the responsibility of the owner (end user).
4. To damage caused by overloading shelves or wire racks beyond the specified weight
limits. The maximum weight limit for standard KYSOR/WARREN shelves and wire
racks is 30Ibs per square foot.
36
5. When this equipment or any part thereof is damaged, or when operation is
impaired, due to failure to follow installation manual.
6. NOTE: Proper installation is the responsibility of the installer, owner (end user).
7. Operational issues caused by ambient environmental conditions outside of the
specified limits. All KYSOR/WARREN equipment is specified to operate in a
conditioned ambient environment not to exceed 75 degrees Fahrenheit or 55%
relative humidity. NOTE: Providing specified ambient environmental conditions are
the responsibility of the owner (end user).
8. To equipment with final destinations unknown to KYSOR/WARREN as indicated
on the original sales order.
9. To labor cost for repair or replacement of parts.
10. To special or expedited freight or shipping charges or to customs duties to any
country.
11. If the Warranty holder fails to comply with all the provisions, terms and conditions
of this Warranty.
Parts replaced under this Warranty are warranted only through the remainder of the original
Warranty. KYSOR/WARREN may, at its option and in its discretion, elect to honor this
Warranty and to disregard the original purchaser's non - compliance with any of the
provisions, terms and conditions of the Warranty.
THIS WARRANTY DOES NOT COVER CONSEQUENTIAL DAMAGES.
KYSOR/WARREN shall not be liable under any circumstances for any consequential
damages, including loss of profits, additional labor costs, loss of refrigerant or food products,
or injury to person or property caused by defective material or parts or for any delay in the
performance of this Warranty due to causes beyond its control. The foregoing shall constitute
the sole and exclusive remedy of any purchase and the sole and exclusive liability of
KYSOR/WARREN in connection with this product.
NOTE: IN THE CONSTANT EFFORT TO IMPROVE OUR PRODUCTS, WE RESERVE
THE RIGHT TO CHANGE AT ANY TIME SPECIFICATIONS, DESIGN, OR PRICES
WITHOUT INCURRING OBLIGATION.
37
P4 I .
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Contact Information
Kysor/Warren
5201 Transport Boulevard
Columbus, Georgia 31907
706 -568 -1514
Telephone: 1- 800 - 866 -5596
Email: solutions @kysorwarren.com
Website: http: / /www.kysorwarren.com/
Kysor/Warren, whose policy is one of continuous improvement, reserves the right to change at
anytime, these specifications, designs or prices without incurring obligation.
KYSSR/WRRREA`
40