NAYATI NEF 18 A Manual

FRM-PDE-03-04 (NYT/R&D/20180402)
GB- Electric Fryer
Fryer-Electric-20180402
Installation, Operation
and Maintenance Instructions
Model :
NEF 18 (ER)
18 Liters Oil Tank Capacity
Single Tank
Tilting Mechanism
Single Fryer Heater
Electric Fryer
Note: The picture is illustration only. We reserved the right to make technical changes in the interest in progress
without prior notice.

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Dear customer,
Thank you for choosing our product as your trusted partner. We ensure you that we always give our best as we
produce this appliance by using the finest materials. NAYATI Electric Fryer is excellent choice to cook. In order to
obtain maximum benefits of this appliance, please read this manual instruction carefully. Please notice the warnings
and safety instructions to keep your safety. DO NOT use this appliance except its utility.
If you have any questions or difficulties in operating this appliance, please contact your dealer or NAYATI to acquire
mechanic assistance.
NAYATI TEAM
Preface
Preface

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Page
Preface ……………………………………………………………………………………………………………
2
Table of Contents………………………………………………………………………………………………..
3
1. General Information ………………………………………………………………………………………..
4
1.1
Information for the Reader ………………………………………………………………………….
4
1.2
Warning, Signs and Symbols ……………………………………………………………... ………
4
1.3
General Information of the Appliance ……………………………………………………………..
5
1.4
Procedure for Requesting Service and Warranty……………………..………………………….
6
2. Safety Instruction……………………………………………………………………………………………
7
3. Technical Data ………………………………………………………………………………………………
8
3.1
Data Table ……………………………………………………………………………………………
8
3.2
Data Plate …………………………………………………………………………………………….
8
3.3
Overall Dimension ……………………………………………………………………………………
9
3.4
Components List …………………………………………………………………………………….
10
4. Handling and Installing………………………………………………………………………….................
11
4.1
Packaging and Transport …………………………………………………………………………..
11
4.2
Handling and Lifting …………………………………………………………………………………
11
4.3
Safety Devices and Accessories ………………………………………………………………….
12
4.4
Position and Fixing ………………………………………………………………………………….
12
4.5
Electric Power Connection …………………………………………………………………......….
12
5. Use and Operation ………………………………………………………………………………………….
14
5.1
Warning ……………………………………………………………………………………………….
14
5.2
Control Panel Description …………………………………………………………………………..
14
5.3
Switch ON/OFF ………………………………………………………………………………………
15
6. Routine Cleaning and Maintenance …………………………………………………………………….
16
7. Trouble Shooting ……………………………………………………………………………………………
18
8. General Exclusions …………………………………………………………………………………………
19
9. Addresses ……………………………………………………………………………………………………
20
10. Electric Wiring Diagram ………………………………………………………………………………….
on Appendix
Table of Contents
Table of Content

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1.1 Information for the Reader
Please read this manual instruction carefully before operating this appliance.
To find the specific topics of interest to you quickly, refer to the index at the start of the manual. This manual is
written to:
All the information is instructed to general readers, i.e for users of the appliance.
All the information is instructed for special categories of reader, i.e. all skilled operators authorized
to handle, transport, install, service, repair and scrap the appliance
The skilled operators may also read the information for the general readers for a more complete picture of the
information provided if necessary.
1.2 Warning, Signs and Symbols
1.2.1 Warning
Warnings are indicated with a pictogram and a signal word.
The type and source of the risk as well as the consequences are described together with instructions for
avoiding the danger. The margins of the pictograms and signal words used are explained in section “Signs” and
“Symbols”
1.2.2 Signs
Electric Shock Hazard or High Voltage
Imminent danger
→ Non-observance leads to death or serious injury (caused by electric shock)
Hot Surface
Dangerous situation
→ Non-observance can lead to slight or semi-serious injury (caused by hot surface)
Warning
Damage
→ Non-observance can lead damage
Pace Maker (Especially for Induction)
Possible Danger
→ Non-observance can lead to death or serious injury
Injury Risk
Possible Danger
→Non-observance can lead to death or serious injury
PE
→ Connect wire to the earth
1. General Information
General Information

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Important
→ non-observance can lead damage
Note
→ Note for special appliance
Attention
→ Non-observance can lead damage
User sign
→ information must be read by user
Technician sign
→ information must be read by technician
CE Certification
→ The appliance have a license of CE Certificate
1.2.3 Symbols
Symbols
Meaning
Explanation
1.
2.
Instruction, single step
Instruction must be followed in the
order given
Bullet points, such as
“1.1”, “a”, “ etc
Instruction, multiple steps
Instruction can be carried out in any
sequence
→
Instruction, multiple steps
An action is required here
1.3 General Information of the Appliance
Nayati Electric Fryer is an excellent cooking appliance made of stainless steel. It consists of single tank and
one fryer heater with 18 kW total power rate. The heaters placed in the tank. The tank can be tilt up for cleaning
purpose since it has tilting mechanism. The temperature is adjustable from 1200C up to 1900C. This appliance
is suitable for deep frying. It is very important to keep this instruction book together with the appliance for future
consultation. If this appliance sold or transferred elsewhere, make sure this book goes with it. Therefore, the
new user can read about its functions and other relevant information.

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1.4 Procedure for Requesting Service and Warranty
1.4.1 Requesting Service
Contact one of the authorized service centers or NAYATI for all requirements. When requesting service, state
the data provide on the nameplate and provide a description of the fault.
1.4.2 Warranty
NAYATI gives 12 months guarantee with certain conditions. NAYATI will decline any claims of accidents
caused by improper use, disobey rules, and/ or disobey warnings. Below are cases, which invalidate the
guarantee:
1. Improper use by untrained person(s)
2. Disobey local regulation(s) related to installation and safety standards
3. Not doing routine maintenance
4. Replace certain parts with non-genuine spare part
5. Do not follow the manual instructions properly
If you have any doubts or questions related to our product, please call your nearest dealer or call NAYATI.

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Read this manual instruction carefully before using NAYATI Electric Fryer. Below are safety instructions that strictly
conformed:
1. Improper installation, maintenance, cleaning, or modification to the appliance could lead to severe injury or
death and could damage the appliance.
2. The mechanics must instruct staff regularly to avoid accident and damage of the appliance.
3. NAYATI Electric Fryer may be used for skilled staff only.
4. DO NOT place the appliance in a toxic area or have a risk of explosion.
5. DO NOT place the appliance near flammable materials such gasoline, fat, clothes, liquid gas, paper, etc.
6. DO NOT place the appliance in wet or humid room or condition such in rain or near water leaks, etc.
7. DO NOT use the appliance for drying clothes, paper, or living animals.
8. DO NOT use the appliance to heat non-food products.
9. Put the appliance in a good ventilated room.
10. Before cleaning or maintaining the appliance, detach the gas line and allow it to cool.
11. DO NOT touch the area this sign means hot surface. Beware of severe burning injury.
12. DO NOT attempt to dismantle or repair the appliance. The authorized mechanics must do all jobs.
Important! Before installing, place the appliance on solid, flat, stable and horizontal surface and
connection availability.
WARNING!
Do not switch ON the fryer with empty tank. It can cause overheating
and may damage the appliance
ELECTRIC SHOCK HAZARD!
- Authorized and qualified mechanic can do the maintenance and repairs.
- Turn OFF and disconnect the appliance before opening front panel and
accessing electrical area inside the appliance.
2. Safety Instruction
Safety Instruction

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3.1 Data Table
3.1.1 Technical Specification of Electric Fryer
Table 1 :
Technical Specification
Model
NEF 18 A (ER)
Overall Dimension (mm)
Width
Depth
Height
400
750/810
850/960
Shipping Dimension (mm)
455
880
970
Cooking Surface Dimension (mm)
335x430
Tank Volume
18 Liters (1 tank)
Oil Discharge
1”
Working Temperature (°C)
120-190
Electric Consumption
18 kW
Electric Connection
3N AC 400V 50/60Hz
Required Electrical Supply (amps)
27
Direct Heat Emission (kW)
1.62
Latent Heat Emission(kW)
12.60
Steam Emission (Kg/h)
18.54
3.2 Data Plate
3.2.1 Technical plate reports the current setting.
3. Technical Data
Fig. 1
Technical Data

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3.3 Overall Dimension
Fig. 2
NEF 18 A (ER)

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3.4 Component List
Table 2 :
NO
PARTCODE
DESCRIPTION
QTY
1
PD.CS56
Crouzet Microswitch
1
2
PD.412H-1
High Limit Type (230°C)
1
3
PS.2115A
Heater f/ Fryer Assy f/ NEF 18 (ER)
1
4
GS.416MA-1
Fryer Basket
2
5
GS.416PA
Crumb Screen
1
6
PD.412ED
Thermostat w/ On-Off 120-197°C
1
7
PD.405B
Knob Thermostat D-70 mm
1
8
PD.414KB
Pilot Light Green
1
9
PD.412JB
Pilot Light Yellow
1
10
GS.2007
Ball Valve 1”
1
11
KB.5034A
Magnetic Contactor 32A
2
12
PD.409B-1
Terminal Power 5 Pole
1
13
PD.3133
Silicon Scrap Ring 250 (Cable Grommet)
1
14
PD.CS112
Cable Gland
1
15
GS.3607A
Adjustable Leg
4
Fig. 3

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The following instructions are intended for authorized and qualified installer. Before doing installation, adjustment,
and maintenance operations, the installer must follow local and legal regulations. Cut the gas/electric supply before
doing any installation.
1. This appliance is using electric power. Electric services should be installed according to:
a. Local and international standards
b. Local recommendations related to building standards and codes
c. Directions and regulations from power supply companies
d. Regulation concern with prevention accident measures
e. Fire prevention regulations
f. Applicable I.E.C (International Electro technical Commission) regulations
2. Remove all packaging material and protective coatings.
3. Ensure electric power supply is sufficient to operate this appliance.
4. Before testing, put the appliance in a good ventilated room and keep all flammable material away.
5. Before cleaning or maintaining the appliance, please cut off electric power and isolate gas supply (if any) to the
safe place.
4.1 Packaging and Transport
4.1.1 Packaging
The packaging is designed to reduce space and as appropriate to the type of transport used. To simplify
transport, some components may be removed and suitably protected and packed for transport.
The packaging carries all information necessary for loading and unloading. When unpacking, check that all
components are present in the correct quantities and are undamaged. The packaging material must be properly
disposed of in accordance with legal requirements.
4.1.2 Transport
Different means of transport may be used, depending partly on the destination.
During transport, fix the packaging to the means of transport securely to prevent undesirable shifting.
4.2 Handling and Lifting
The appliance can be handled using fork-lift or hook equipment of suitable load-carrying capacity. Before lifting,
check the position of the load’s centre of gravity.
Important! Before installing, place the appliance on solid, flat, stable and horizontal surface and
connection availability.
Important! When engaging with the lifting equipment, watch out for the gas/electric supply.
4. Handling and Installing
Handling and Installing

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4.3 Safety Devices and Accessories
The appliance is provided with safety devices. The additional devices must be added if necessary to comply
with the relevant legal requirement during the installation.
The appliance is equipped with the included or optional accessories. There are Fryer Basket , Crumb Screen,
Extended Drain Pipe and Lid Fryer Tank as included accessories.
4.4 Position and Fixing
1. Authorized personnel must do the installation.
2. Install the appliance according to National Safety Standard about electric-heated standard.
3. Install the appliance under an extractor fan to remove the cooking fumes.
4. Make sure that any object around or under Electric Fryer does not obstruct air volume required for air
circulation.
5. Put away any flammable materials near Electric Fryer.
6. When the appliance is freestanding, keep a distance at least 10 cm from side, and rear walls. Especially when
the appliance close to wall and does not protected with fire-resistant materials made.
7. Install the appliance separately or side by side with other appliance according to recommended range.
8. Put Electric Fryer on solid, flat, and horizontal surface.
9. Adjust the height of the four feet by using brackets.
10. Before turn the appliance ON, remove the protective film. Remove any adhesive with appropriate solvent.
11. Eliminate all packaging material according to national laws.
4.5 Electric Power Connection
1. Before connecting the appliance to the main supply, compare the electrical data in the rating plate (on the
appliance side panel) to the local electric energy supply. Make sure the main voltage correspond to the voltage
indicated on the nameplate of the appliance.
2. Registered installation companies must do the electric installation concerned with certain local and national
regulations. The companies are responsible for interpret all regulation and perform the installation and safety
instructions. The warning signs and nameplates must strictly conform.
3. The appliance equipped with a power terminal and connected with power cable and power socket.
4. DO NOT put the power cable near heat sources or water leakage area.
Important! Make the daily check that the safety devices are properly install and in good working order.

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WARNING!
To avoid electric shock, it is necessary to have earth connection. You can find the
earth connection at the terminal boards, identified with symbol to where earth
wire has to connect.
WARNING!
Incorrect voltage may damage the appliance.
NEF 18 A (ER) (3N AC 400V 50/60Hz 18kW)

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A
6.1 Warning
This appliance is an electric cooker for professional use. It shall be used by authorized people only. Before
starting, please make sure that the appliance is in good condition and put it in a good ventilated room. Below
are several preliminaries warning that strictly conformed:
1. If there is a persistent breakdown, please contact authorized mechanic.
2. User is only responsible for daily routine cleaning for maintenance.
3. Qualified mechanics must do all operations related to installation and maintenance according to
Regulation in force.
4. Use this Electric Fryer only to COOK: DISTRIBUTION and WARMING FOOD. DO NOT use the
Electric Fryer for other purposes. Any other uses may be considered as improper and dangerous use.
Please control the appliance when operating.
5. Before operating Electric Fryer for the first time, carefully clean the appliance to remove industrial oil/
lubricant.
6. After using the Electric Fryer, turn the knob to OFF position.
6.2 Control Panel Description
6.2.1 For example NEF 18 (ER)
A
:
Thermostat Control Knob
to turn ON the appliance and adjust the cooking temperature
Green Pilot Lamp
to indicate that the appliance is ON / OFF
Yellow Pilot Lamp
to indicate that the heating process is working
6. Use and Operation
Use and Operation

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6.3 Switch ON/OFF
6.3.1 Turn the Appliance ON
1. Turn Thermostat Control Knob to the right to turn ON the appliance. The Green Pilot Lamp will light to
indicate the appliance is ready to use.
2. Place the foods into the baskets.
3. Put the baskets into the tank.
4. Turn the Thermostat Control Knob to the right to adjust the temperature. The Yellow Pilot Lamp will light to
indicate the heating process is working.
5. Adjust the temperature for cooking (scale on knob: 1200C – 1900C).
6. When the set temperature has reached, the Yellow Pilot Lamp will OFF. If the temperature decreases, the
lamp will light again.
6.3.2 Turn the Appliance OFF
1. Turn the Thermostat Control Knob to zero (0) position. The Green Pilot Lamp will OFF indicate the
appliance is OFF.
ATTENTION!
Before frying, fill the oil tank with cooking oil (1 tank ± 18 liters). Oil Level Mark inside the fryer helps the user fill
the oil tank.

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Clean the appliance to keep the functionality and durability. In the case of any failures, do not attempt to solve the
problem but call your dealer immediately to ask for help. Do not attempt to dismantle the appliance, specialized
mechanics must do all job.
For routine cleaning process, please follow procedure below and notice the warning:
7.1 Draining
1. Drain and strain the oil frying medium at the end of each day
2. Always drain fryer when cold zone area under tank baffle is hot and liquid. A cold fryer heated up will not drain,
as the oil frying medium in the cold zone remains hard.
3. Open drain valve and allow oil frying medium to drain into the mobile oil filter.
4. Check valve for any food particles and if necessary, dislodge with a stiff nylon brush.
5. Close valve
7.2 Filling
1. Check the drain valve is closed and tank baffle is in position.
2. Fill the fryer with oil frying medium to the oil level indicated on the rear wall of tank
7.3 Cleaning
1. Make sure the circuit-breaker to disconnect it from the electrical mains is OFF
2. Run cold water into the fryer
3. Clean thoroughly the fryer tank with soft detergent.
4. Turn on the heat and bring the temperature to boiling point; do not allow overflowing.
5. Adjust the temperature to simmer.
6. Brush-wash any heavy deposits and outside surfaces with the same detergent.
WARNING!
Do not use wire brushes or metal rods. It will damage the valve. If the obstruction cannot
be dislodged with a nylon brush, use a wooden or plastic probe.
WARNING!
Do not overfill the fryer. It causes foam-over and messy frying condition
7. Routine Cleaning and Maintenance
Routine Cleaning and
Maintenance

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7. When the tank is completely clean, turn heat off and drain fryer. Add cold water to the solution as it drains to
prevent rapid change temperature. This avoids warping of the metal
8. Rinse thoroughly with clean water until detergent odour is removed.
ATTENTION!
Please make sure that the cleaning product does not contain Chlorine (bleach, hydrochloric acid,
etc), these materials could oxidize and causes rust on the appliance.
NEVER wash the appliance with direct high-pressure jet water.
If the cooker will not used for a long time, briskly rub the steel part slightly with a damp cloth and
Vaseline oil. After that, wrap with protective film and put the appliance in a good ventilated room.
If you find the lighting and control devices are difficult to use, please contact the manufacturer
immediately, which will provide you necessary assistance or call NAYATI dealer.
Please check the appliance periodically for 6 months. Contact your dealer that will supply
assistance to repair and set interval.
Authorized and qualified personnel must do all service.

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Table 3 :
NO.
PROBLEM
CAUSE
CORRECTIVE ACTION
1.
Thermostat does not function
Thermostat damaged
Check and replace
The oil is too hot (the temperature is
more than 1900C)
Waits until the oil temperature
decrease or less than 1900C
and press the button of safety
thermostat
The magnet switch is not function
Check and replace
No electric current
Check and repair the main
supply
2.
Heating element does not
function
Heating element is damaged
Check and replace
The oil is too hot (the temperature is
more than 1900C)
Waits until the oil temperature
decrease or less than 1900C
and press the button of safety
thermostat
The magnet switch is not function
Check and replace
Contactor is damaged
Check and replace
No electric current
Check and repair the main
supply
3.
Pilot lamp does not function
Pilot lamp is damaged
Check and replace
Thermostat is damaged
Check and replace
No electric current
Check and repair
8. Trouble Shooting
Trouble Shooting

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GENERAL EXCLUSIONS
Damage to control knobs and buttons.
Discoloration of components due to heat.
Drainage does not meet requirements.
Lubrication of moving parts.
Corrosion caused by the use of chemical
cleaners.
Replacement of components due to
internal contamination as a result of
spillage or accumulation of grease/food
debris due to a lack of cleaning.
Cabinet, drawer and door seals are
considered consumable items and will not
be replaced under warranty.
Light bulbs, lens covers and sticker display
are considered consumable items and will
not be replaced under warranty.
Enamel coated components if impacted
sufficiently will crack or chip, such damage
is not covered by the terms of this
warranty.
Rectification where non-Nayati specified
parts have been used.
Where user error is established.
Gas general
Poor combustion caused by lack of
cleaning.
Failure of components directly linked to
poor cleaning and/or maintenance.
Cleaning of burners jets.
Cleaning/adjustment of pilots and
thermocouples.
Correction of gas pressure to the
appliance.
Renewing of gas supply fittings external to
the appliance.
Electrical general
Resetting of safety devices including fuses
where no other fault exists.
Renewing of supply cable ends.
Fryers
Replacement of components damaged by
cooking oils due to a lack of cleaning and
care when replacing oil.
Damage to thermostats.
Steamers
Corrosion caused by high water hardness.
Damage resulting from lack of water flow to
the unit.
Induction
Chipped or damaged glass not reported at
time of delivery.
Damage due to blocked or missing air filters.
Damage to the generator due to wrong pan
type/size used.
Gas Charcoal grills and salamanders
Impact damage caused by the user due to
misuse outside of the design scope.
Chargrill Radiant covers
Radiant covers are considered consumable
items and may corrode if not regularly
cleaned due to prolonged contact with salt
and fats and will not be replaced under
warranty.
Damage to heaters due to failure to replace
radiant covers is not covered by the
warranty.
Heated and chilled food displays
Chipped or damaged glass not reported at
time of delivery.
Damage to components resulting from
restricted airflow to inlets and outlet.
Damage to components resulting from
accumulation of airborne particles.
Condensation on cold surfaces if units are
installed in environments beyond
specification.
Dishwashing
Corrosion caused by high water hardness.
Chemical pump due to misuse chemical
agent.
Washing accessories : basket, curtain.
Malfunction caused by high water hardness.
9. General Exclusions
General Exclusions

T y p e
V o l t a g e
F r e q u e n c y
P o w e r C o n s u m p t i o n
G a s C o n s u m p t i o n
C ur r e n t
electrical documentation
T e l p .+ 6 2 2 4 6 5 8 0 5 7 3 F a x .+ 6 2 2 4 6 5 8 0 5 7 3 n a y a t i @ n a y a t i.c o m
NE F 18 ( A ) E R
3 N - 4 0 0 V
5 0 / 6 0 H z
18 k W
2 7 A
:
:
:
:
:
:
1
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D r a w i n g N r .
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6 / 2 0 / 2 0 14
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A l l P a g eD r a w n
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P r o j e c t :
E u r o R a n g e
18k W 2 7 A3N - 4 0 0 V