Kairak KS048HT Installation Manual

OWNER’S MANUAL

Instructions for the installation, operation

and maintenance of Kairak:

KS Series Pizza/Salad/Sandwich Prep Tables

KS048HT, KS066HT, KS072HT & KS090HT

This Kairak unit is built to our highest quality standards. We build our refrigerators this way as a matter of pride. We thank you for your choice and confidence
in Kairak equipment and we know you will receive many years of utility from this equipment.

All Kairak units are placed on a permanent record file with the service department. In the event of any future questions you may have, please refer to the model
and serial number found on the name tag affixed to the unit. Should you need service, call us on our toll free number, 800-833-1106 between 7:30 am - 4:00
pm PST, Monday thru Friday. You may also log onto www.kairak.com for further information. It is our pleasure to help and assist you in every possible way.

INSTALLER

COMPLETE THE FOLLOWING INFORMATION PRIOR TO UNIT INSTALLATION

INITIAL START DATE: SERIAL NO.

MODEL TYPE:

COMPANY/INDIVIDUAL NAME:

INSTALLER:

Part Number 375-60309-00 (REV. 10-10-13)

TABLE OF CONTENTS

I. THE SERIAL TAG Page 1
II. RECEIPT INSPECTION Page 2
III. OPERTIONAL GUIDELINES Page 2
IV. INSTALLATION

a-Location Page 2
b-Packaging Page 2
c-Installing/Adjusting Legs orCasters Page 2
d-Doors Page 2
e-Installing Optional Drawers Page 2

f-Cord & Plug Page 2

g-Power Supply Page 3

V. DAILY OPERATION

a-Pans Page 3
b-Setting Up The Rail Page 3
c-Closing Down The Rail At Night Page 3
d-Defrost Page 3

VI. CARE & MAINTENANCE

a-Cleaning The Condenser/Filter Page 4
b-Replacing The Gaskets Page 4
c-Cleaning The Cabinet Surfaces Page 4
d-Cleaning The Rail Area Page 4

VII. MICROPROCESSOR CONTROL

a-Control Features Page 5
b-Alarm Explanations Page 6
c-Control Panel Diagram Page 7
d-Notes To The User Page 7

e-Enter The Service Access Page 7

f-Customer/Service Parameters Page 7
g-Adjusting Thermostat Set Point Page 8
h-Adjusting Thermostat Set Point Differential Page 8
i-Changing The Temperature Scale Page 8
j-Setting The 24-Hour Clock Page 8
k-Setting The Date Page 9
l-Setting Daylight Savings Time Page 9
m-Starting A Manual Defrost Cycle Page 10
n-Setting Defrost Lockouts Page 10
o-Adjusting The Room Temperature Offset Page 11
p-Viewing Sensor Temperatures Page 11

VIII. WIRING DIAGRAM Page 12

IX. TROUBLE SHOOTING GUIDE Page 13
X. SERVICE ASSISTANCE

a-Service Information Page 14

XI. WARRANTIES Page 14
XII. SERVICE PARTS LIST Page 15

I. THE SERIAL TAG

I. a - SERIAL TAG:

The serial tag is a permanently affixed label on which is recorded vital
electrical and refrigeration data about your Kairak product, as well as
the model and serial number. This tag is located in the right interior
compartment on all standard KS Series models.

READING THE SERIAL TAG

• Serial = The permanent ID# of your Kairak unit

• Model = The model # of your Kairak unit

• Volts = Voltage

• Hz = Cycle

• PH = Phase

• Total Current = Maximum amp draw

• Minimum Circuit = Minimum circuit ampacity

• Lights = Light wattage

• Heaters = Heater amperage (Hot Food units only)

• Refrigerant = Refrigerant type used and refrigerant charge

• Design Pressure = High & low side operating pressures

• Agency Labels = Designates agency listings

SERIAL MODEL
VOLTS Hz PH

TOTAL CURRENT AMPS
MINIMUM CIRCUIT AMPS
MAXIMUM OVERCURRENT PROTECTION AMPS
LIGHTS WATTS
HEATERS AMPS

REFRIGERANT TYPE OZ
DESIGN PRESSURE HIGH LOW

REFRIGERANT TYPE OZ
DESIGN PRESSURE HIGH LOW

COMMERCIAL REFRIGERATION

-1-

II. RECEIPT INSPECTION

IV. INSTALLATION (CONTINUED)

II. a - RECEIPT INSPECTION:

All Kairak 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 unit for damage during delivery. If
damage is detected, you should save all the crating materials and make
note on the carrier’s Bill Of Lading describing the damage. A freight claim
should be filed immediately. If damage is subsequently noted during
or immediately after installation, contact our customer care team to file

a freight claim. There is a fteen (15) day limit to le freight damage

with the carrier. Under no condition may a damaged unit be returned to

Kairak without rst obtaining written permission (return authorization).

You may contact Kairak customer care at 800-833-1106 to request a
return or file a claim.

III. OPERATIONAL GUIDELINES

III. a - OPERATIONAL GUIDELINES:

Follow these simple guidelines for proper KS Series Operation.

1. Keep the condenser clean. Don’t obstruct airflow.

2. Use up to 6” deep stainless steel or aluminum pans.

3. All pan spaces should be filled any time the unit is running, even if
some pans are empty.

4. Keep the room temperature at 860F (300C) or less.

5. Do not allow air drafts (such as heat, A/C or ventilation) to blow on

or over the rail area. This will disrupt the air blanket over the product
area, resulting in poor holding temperatures.

6. Rail covers should be closed over the rail as much as possible.

7. Product should be loaded into the rail at a maximum temperature of
360F. The KS Series unit was not designed to chill warm product, but
to hold refrigerated product at a safe temperature.

8. Keep area around the evaporator fans clear.

IV. b - PACKAGING (continued):

To remove the wooden pallet, first if at all possible, we suggest that the cabinet
remain bolted to the pallet during all transportation to the point of final installation.
The bolts can then be removed with a 1/2” socket wrench. Avoid laying the unit
on its front, side or back for removal of the pallet.

NOTE: Kairak does not recommend laying the unit on its front, side or back.
If you must, please allow the unit to remain in an upright position for 24 hours

before plugging it in so that the compressor oils and refrigerant may settle.

IV. c - INSTALLING/ADJUSTING LEGS OR CASTERS:

To install legs or casters, slide leg or caster into the caster channel from the side
of the unit without the refrigeration system.

To adjust the legs or casters, loosen the two bolts and move leg or caster to desired
location, spacing between leg or caster not to exceed 48 inches. Leg or caster on
each end of the unit can not exceed 8 inches from the end of the cabinet.

NOTE: Kairak recommends to position legs or casters under the mullion
when possible.

IV. INSTALLATION

IV. a - LOCATION:

Select a proper location for your unit, away from extreme heat or cold.
Allow enough clearance between the unit and the side wall in order to
make use of the door stay open feature at 1200 (self-closing feature
operates up to 900). The door(s) must be able to open a minimum of
900 in order to make use of the maximum clear door width.

IV. b - PACKAGING:

Your Kairak unit is shipped from the factory bolted to a sturdy wooden
pallet in stretch wrapped material and wood crate.

Most exterior stainless steel surfaces have a protective vinyl covering to
prevent scratching during manufacturing, shipping and installation.

After the unit is installed in place of application peel, remove and discard
the covering from all surfaces.

IV. d - DOORS:

Your Kairak KS Series model door(s) are eld re-hingeable. If re-hinging is

required, please contact our in-house service department at 800-833-1106 for
re-hinging instructions.

IV. e - INSTALLING OPTIONAL DRAWERS:

Doors are supplied standard on all KS Series models. However, we have engineered
our refrigerator models with a drop-in feature that allows you to easily convert

door(s) into two 6” deep drawers or three 4” deep drawers.

The door(s) on the refrigerator models can easily be converted to drawers in the

field. To begin the process, open the door to its maximum position. Support the
non-hinged end of the door so minimum movement occurs. When the bolts from
the lower hinge plate are removed, remove the lower hinge plate and then the door
from the top hinge bracket plate and then the door from the top hinge bracket.
The hinge plate pin and plastic bushing will remain in the top hinge plate.

NOTE: The lower hinge plate is under spring tension.

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IV. INSTALLATION (continued)

IV. INSTALLATION (continued)

IV. e - INSTALLING OPTIONAL DRAWERS (continued):

Once the door(s) have been removed, Insert drawer frame as shown below.

NOTE: Undercounter model drawings shown below.

Once the drawer frame has been inserted, the drawer frame module can be

installed by tighting the black front and back clamping knobs (2 of each) located

on the cross rail locks and liner locks. Slide the front cross rail locks towards the
center of the drawer frame module and allow the liner locks to drop down from
the top of the liner. Insert the door frame module push towards the back of the
unit. The entire frame assembly is now installed and ready for use.

NOTE: Repeat process for multiple drawer inserts.

IV. g - POWER SUPPLY:

The supply voltage should be checked prior to connection to be certain

that proper voltage for the cabinet wiring is available (refer to the serial
tag to determine correct unit voltage, see page 1). Make connections in

accordance with local electrical codes. Use qualified electricians.

Use of a separate, dedicated circuit is required. Size wiring to handle

indicated load and provide necessary over current protector in circuit

(see amperage requirements on the unit’s serial tag).

V. DAILY OPERATION

V. a - PANS:

Standard KS Series models are designed to operate with full, half or

third size pans without the use of adapter bars. Other fractional size

pans can be used with optional adapter bars available from Traulsen. 4”
deep pans provide the best temperature performance in the rail. Both

2” & 6” deep pans will also perform to NSF7 temperature requirements.

V. b - SETTING UP THE RAIL:

Install pans in all pan spaces in the rail. Rest each pan evenly on the
front and back support ledges. Do not use uneven or bent pans, as
these will allow circulating cold air to escape.

Front Clamping Knobs

Front Cross Rail Locks

Back Clamping

Knobs

IV. f - CORD & PLUG:

All self-contained models are shipped standard with a NEMA 5-15P plug and 9
foot cord . Select only a dedicated electrical outlet for power source.

NOTE: Do not under any circumstances, cut or remove the round grounding
prong from the plug, or use an extension cord.

Allow the unit to reach operating temperature before loading any food
product. Load only refrigerated product at 360F or below.

All pan spaces should be lled, even if some pans are empty (even
during nighttime storage).

When not in constant use, the KS Series rail covers should be kept
closed over the pans.

V. c - CLOSING DOWN THE RAIL AT NIGHT:

Food product may be stored in the rail overnight if needed. Cover the en­tire rail with plastic wrap prior to closing the rail covers over the pans.

V. d - DEFROST:

The Kairak refrigerated Prep Table is equipped with an automatic hot
gas defrost system which clears the evaporator coil of any accumulated
frost. Frost is accumulates on the evaporator coil during the normal
refrigeration or cool cycle. The defrost cycle occurs automatically ev­ery three hours and is indicated by the illumination of the green snow
flack and the letters “DEF” displayed on the screen of the Intela-Traul
control. The defrost cycle should last for approximately ten to twenty
minutes. At the completion of the defrost cycle the cabinet will resume
normal refrigeration operation with the compressor cycling ON and OFF
to maintain cabinet and rail temperature.

INTELA-TRAUL

°F °C

FREEZER

SET

-3-

VI. CARE & MAINTENANCE (continued)VI. CARE & MAINTENANCE

VI. a - CLEANING THE CONDENSER/FILTER:

The most important thing you can do to insure a long, reliable service
life for your Kairak is to regularly clean the condenser coil and or filter
if provided.

The patented microprocessor control will notify you through a “CLN-FIL”
message when the condensing temperature of the refrigerator reaches
140 degrees F or greater. If the condensing temperature reaches 160
degrees F the compressor will automatically turn off . When the tempera­ture drops below 140 degrees F the compressor will restart and when
the temperature drops below 120 degrees F the alarm will reset.

WARNING: DISCONNECT ELECTRICAL POWER SUPPLY BEFORE
CLEANING ANY PARTS OF THE UNIT.

To clean the condenser/filter, first disconnect electrical power to the
cabinet and remove the front hinged louver assembly. Proceed to
vacuum or brush any dirt, lint or dust from the finned condenser coil/
filter, the compressor and other cooling system parts. If significant dirt
is clogging the condenser fins or filter, use compressed air to blow this

clear. To replace the louver assembly reverse the process.

VI. b - REPLACING THE GASKETS:

To remove the gasket to be replaced, grasp it firmly by one corner and
pull it out. Before attempting to install a new gasket, both the unit and
the gasket itself must be at room temperature. Insert the four corners

rst by using a rubber mallet (or hammer with a block of wood). After

the corners are properly inserted, work your way towards the center from
both ends by gently hitting with a mallet until the gasket is completely

seated in place (see gure for proper gasket placement).

VI. c - CLEANING THE CABINET SURFACES (continued):

Care should also be taken to avoid splashing the unit with water, containing chlo­rinated cleansers, when mopping the floor around the unit. For stubborn odor or

spills, use baking soda and water (mixed to a 1 tbsp baking soda to 1 pint water
ratio). A stainless steel polish is recommended for shining of unit.

VI. d - CLEANING THE RAIL AREA :

WARNING: DISCONNECT ELECTRICAL POWER SUPPLY BEFORE CLEANING
ANY PARTS OF THE UNIT.

Temperature rail is equipped with drain and flush valve. Up to 5 gallons of water
can be used to clean rail compartment.

NOTE: The gasket may appear too large, but if it is installed as
indicated above it will slip into place.

INSIDE DOOR PANEL

DOOR GASKET

GASKET RETAINER

OUTSIDE DOOR PANEL

VI. c - CLEANING THE CABINET SURFACES:

WARNING: DISCONNECT ELECTRICAL POWER SUPPLY BEFORE
CLEANING ANY PARTS OF THE UNIT.

Exterior stainless steel should be cleaned with warm water, mild soap
and a soft cloth. Apply with a dampened cloth and wipe in the direc­tion of the metal grain. Avoid the use of strong detergents and gritty,
abrasive cleaners as they may tend to mar and scratch the surface.
Do NOT use cleansers containing chlorine, such as bleach, this may
promote corrosion of the stainless steel.

For excessive spills the front and rear air baffle in the rail are removable by un­screwing the thumb screws.

Air baffles can be cleaned in a sink using caution not to loose fasteners.

NOTE: Use caution in avoiding getting excessive water down in cabinet
ducts with outer air ducts removed.

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VII. PATENTED MICROPROCESSOR CONTROL

Your new refrigerator cabinet is equipped with a state-of-the-art patented microprocessor control, which precisely regulates operation and provides alarms
when problems occur. It is supplied from the factory completely ready for use and requires no adjustments, but without the audible alarms activated. See
pages 5 thru 11 for more information.

INTELA-TRAUL

°F °C

FREEZER

PATENTED MICROPROCESSOR CONTROL

VII. a - CONTROL FEATURES:
1- Internal Time Clock

• Eliminates external defrost time clock.

• Defrost cycle can be quickly adjusted to suit individual location and use.

• Must be set at power-up. (See page 8, “Setting the 24-Hour Clock”)

• Will automatically update for Daylight Savings Time.

SET

2- Water Resistant Housing

The face of the control is water resistant to provide for protection during cleaning.

3- Parameter/Service Levels

• See “Customer / Service Parameters” on Page 7.

4- Defrost Lockouts

See “Setting Defrost Lockouts” on page 10.
Customers can set up to 4 different defrost lockout periods. The lockout prevents the unit from going into a defrost cycle during peak kitchen use.

Note: The 24-hour clock must be set for this feature to operate correctly.

5- Communication Ability

A NAFEM Data Protocol (NDP) compliant RS-485 serial communications port is available to interface with data collection software (by others). All micropro-

cessor control equipped models are capable of communicating within a NAFEM Data Protocol network if provided with an optional Gateway Hub (available
from Traulsen). The actual communications software is available from a number of third party software vendors.

6- Alarms (See the following pages for explanations)

• High Cabinet Air Temperature

• Low Cabinet Air Temperature

• Loss Of Power

• Sensor Failure

• Clean Condenser

7- Display Features

• 3-Digit LED Display

• Defrost in Progress Icon

• Fahrenheit or Celsius Temperature Scale In Use

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