US USFF-300 User manual

Gas Vertical Type Fryer
Operating Instructions
Before you begin, please read these instructions carefully to use this product
correctly, to make the product perform ideally, and to avoid hazards.
Models: USFF-300 / USFF-400/ USFF-500

2
Dear customers and users：
Thank you for purchasing our product! In order to get the most out of this
product, please read these instructions carefully before operation. Follow the
guide, to avoid damage or injury.
Please keep this instruction manual for convenient reference and operation.
This instruction manual is subject to any change without further notice, and
the manufacturer reserves the right of final interpretation.
This appliance is designed for commercial purposes only, not for household use.
A statement instructing the purchaser to post in a prominent location
instructions to be followed in the event the user smells gas. This information shall
be obtained by consulting the local gas supplier.

3
Gas Vertical Type Fryer
The Installation, Operation and Maintenance Guide
Contents
Safety Protection ……………………………………………………4
Brief Introduction……………………………………………………4
Manufacturer's Authority and Responsibility ………………….…4
Parameter Specifications……………………………………………5-7
Transport and Storage ………………………………………………8
Installation and Debugging…………………………………………8-9
Safety Notices and Precautions……………………………………10
Operating Instructions……………………………………………11-12
Cleaning and Maintenance…………………………….…..……12-13
Service ………………………………………….…………….…14-16
Troubleshooting …………………………………………………17-18
Spare Parts ………………………………………………………19-23
Accessories List……………………………………………………23

4
Safety Protection
Ensure that the operator is an authorized and licensed technician before allowing
him/her to install and operate the product. Be sure to strictly follow this instruction
guide during installation and using. The manufacturer is not responsible for any
danger or accidents caused by improper operation or maintenance.
Do not store flammable or explosive objects around the product. Keep all flammable
and explosive objects at a safe distance away from the product for normal use.
Place the product in a reasonable position. Regarding related matters of gas,
customer should execute the requirements of local gas supply sector.
If you smell a gas leak, turn off the gas valves immediately and call the gas
company.
The product should only be operated by experienced persons over the age of 18, in
good mental and physical health.
Brief Introduction
This product is a series of gas fryers in our company production. Which is quality
designed, reasonably structured, conveniently operated, durable, and conveniently
maintained. Equipped with a high efficiency cast-iron burner and pilot light to ignite the
main fire burner. This is hotel, supermarket, western restaurant, and food industry's ideal
fryer product equipment.
Manufacturer's Authority and Responsibility
Banning of all or partial transformation to the products without the manufacturer's
explicit authorization.
Manufacturers refuse to undertake responsibility to third parties as the following
reasons:
Not following this instruction and warning in using and testing;
Not in accordance with the requirements of technical parameters using this product;
Incorrectly or irrationally using the product by untrained personnel;
Not obeying the local law using this product;
Repairs or changes made by unauthorized technicians;
Use the spare parts or accessories provided by non-manufacturers;
Accidents caused by forces of nature;
Not strictly complying with related guide of instruction by any reason.

5
Parameter Specifications
Outline Dimensions (inch)*
USFF-300/USFF-400

6
USFF-500

7
Information of Gas Supply and Burner
The minimum supplied gas pressure regulator is factory set at 4”Natural Gas W.C,
and 10”L.P. Gas W.C. The external thread of product’s intake-tube is 3/4 inches
Table 1
Model
#of burners
and control
method
Gas
Species
Intake-tube
pressure
（in W.C.）
Per BTU
B.T.U./h
Total BTU
B.T.U./h
Nozzle
No.
USFF-
300
3 pieces
Integrated
control
Natural
Gas
4
34,000
102,000
#36
L.P. Gas
10
30,000
90,000
#52
USFF-
400
4 pieces
Integrated
control
Natural
Gas
4
34,000
136,000
#36
L.P. Gas
10
30,000
120,000
#52
USFF-
500
5 pieces
Integrated
control
Natural
Gas
4
34,000
170,000
#36
L.P. Gas
10
30,000
150,000
#52

8
Transport and Storage
During transportation, handle carefully and keep upright to prevent damage of the
product packing. Wrapped equipment should not be in open air for a long period of time,
and shall be placed in a well-ventilated and non-corrosive gases warehouse. When
equipment needs temporary storage, rainproof measures should be taken.
Installation and Debugging
Any erroneous installation, adjustment, refit, overhaul or maintenance may cause
property damage or personal injury. The work shall be performed by authorized and
licensed technicians, otherwise the manufacturer has the right to void warranty
service;
Must be installed in accordance with the local code. If no similar standard, you
should conform to the National Fuel Gas Code, ANSI Z223.1/NFPA 54, the National
Gas Installation Code, CSA-B149.1, or the L.P. Gas Installation Code, CSA-B149.2
as applicable;
The appliance shutoff valve must be disconnected from the gas supply piping
system during any pressure testing of that system at test pressures in excess of
1/2psi (3.45kPa).
Unpacking and Installation
Please dispose of all packaging materials and residues after unpacking;
Check the equipment. If it is damaged, please keep packing materials and receipts
signed by the carrier representative (Driver), and contact the carrier to file a claim
within 15 days after receiving;
Check all accessories complete. Refer to P18 table 4;
Install supporting legs before using, and do not damage any label or logo before use;
Please read these instructions carefully before installation and operation. Contact
your local agent if you have any questions;
The equipment is to be installed on a level, solid, non-skid and incombustible
surface, and placed in a well-lit waterproof work area; away from children and
customers;
The installation position must be well-ventilated in accordance with local regulations;

9
Equipment must be installed under the matched cooking fume exhauster according
to local regulations;
Important: Installation and ventilation laws, and codes are very different, should state
and comply with all codes of the National Fire Protection Association Inc. when it
comes to requirements for installation of equipment;
Unscrew the matched 4 nuts, slip over steel legs, then screw nuts, see Fig.1;
Adjustable stainless steel legs to make the equipment level, and get the same level
with other series of the same stove; Please lift the equipment rather than drag if
needs moved;
Slipped over internal upper smokestack, screw it with a self-tapping screw; Slipped
over external upper smokestack, screw it with a self-tapping screw; Specific
installation steps and methods see Fig.2, Fig.3 for reference;
Keep a distance of at least 6 inches(152mm) to equipment’s sides and back, and
keep distance of at least 4 inches(102mm) to the bottom;
Do not put anything around the equipment, and on the counter top and bottom, in
order to avoid influencing combustion and air circulation;
Thread glue must be resistant to the action of liquefied petroleum gases.
Warning! Use soap and water or testing instrument to test whether piping joint leaks
or not before using, and forbid using an open flame to test!
Fig.1 Fig.2 Fig.3
Debugging
It’s very important to debug the new stove. Through the comprehensive system test
of equipment, we can ensure function and safety performance of products. Discovering
any potential problems before use (such as equipment’s placement, ventilation,
operation, etc), can avoid costly losses.

10
Safety Notices and Precautions
Warning! For your safety, do not place petrol and other flammables nearby. Please
keep clean and free of flammables surrounding. (Read ANSI Z83.14B, 1991 for
reference)
Warning! Any erroneous installation, adjustment and refit may cause property
damage or personal injury and maintenance failure. Read the instructions carefully
before installation and using.
Warning! Operation instruction must be placed in a conspicuous location. When
customers smell gas in the process of using, take safety precautions immediately.
Immediately turn off the main gas valve, extinguish all heat and flames, and call 911.
Safety information can be obtained from your local gas suppliers.
When using this equipment, safety precautions should always be
followed, including the following:
Do not touch high-temperature smokestack plate to prevent burns when in using or
just after using;
Do not cover exhaust port with anything when in using to affect the combustion
effect, even cause severe accidents;
Turn off the equipment as not in use or no operator here;
Turn off the equipment while repairing, maintaining or cleaning;
If the equipment has any problems of equipment damage, gas piping leaks, igniter or
valves damage, or lose product accessories, do not operate and call for service
immediately;
The use of attachments not recommended or sold by the manufacturer may cause
fire, personal injury or even death;
Do not use outdoors;
The equipment is used for frying, not for any other use;
The equipment does not contain any user-serviceable parts. Dealers or technicians
will repair it. Do not take apart any spare parts without authorization;
Never change any other parts without authorization to this equipment. Otherwise,
may cause hazards, and the manufacturer has the right to void warranty service;
Steel cutting producers used to manufacture with sharp edges. The manufacturer
has dealt with these sharp edges during production, however, we insist the operator
take care when in contact with this piece of equipment;
Always keep hands, hair and clothing away from heating source.
Always allow unit to cool down before cleaning.