Vesta C7GRA4EVE1 User manual

C7GRA4EVE1、C9GRA4EVE1
C7GRA6EVE1、C9GRA6EVE1
Gas Range with Electric Oven
Luxury Gas Range Series
User’s Manual

Dear Client & User,
Firstly, thanks for purchasing and using our product. All the information and
guidelines of this user’s manual comply with certain applicable regulations, which come
out from our long-term accumulated knowledge and experience as well as current project
development situations.
Limited to some special structures, additional specified items or new technology
changes, the actual usage situation might be some different from what stated in this user’s
manual. Should you have any question, please do not hesitate to contact the
manufacturer via the method shown in back cover page of this manual.
For safety purpose and efficient operation, please make this document available to
users for reference. Do have them to read this manual carefully before carry out any
action on this device, especially when starting.
The manufacturer declines any responsibility in the event users do not follow
the instructions or guidelines stated here.
The user’s manual should be placed close to the device, in convenience of users’
reading before operation. We have the full authority to reserve the further technical
changes of the device, in the scope of further performance improvement characteristic
development.

Warning
Any self-modification, wrong installation, adjustment or maintenance can lead to
property loss or casualty. Please contact the manufacturer for any adjustment or
maintenance, and have the work done by a trained & qualified person.
For your safety sake, please keep the machine away from any liquid, gas or other
object, which is flammable or explosive.
This appliance should not be operated by those who have physiological, perceptual
or mental disabilities or those who have insufficient experience or knowledge
(including children). Only in conditions of being given sufficient supervise & guarantee
of personal safety, as well as proper instructions & guidance, those who were
mentioned above can make some particular operation of this device.
Keep children away from the device.
Preserve this manual safely. When passing on/selling the device to a third party, the
manuals must be handed over along with the device. All users must operate the
device complying with the user’s manual and related safety guidelines.
If this appliance is placed near walls, partitions or kitchen furniture and the like, it is
advisable to make these facilities with non-combustible material, otherwise cover
them with non-combustible heat-resistant material, and pay attention to fire
prevention regulations.
The appliance should be installed in a well-ventilated area, if possible under a vent
hood, in compliance with all applicable regulations in force. This will ensure that all
burnt gases produced during the combustion process are completely exhausted.
The appliance is only applicable to low-pressure gas regulating valve. It may cause
property loss or safety accidents if high or medium pressure regulating valve is used.
Fire warning: If you smell the gas, please keep away from any fire source. Do not light
up any device or touch the electronic switch. Do not use any phone in the building
either. Close the main gas valve immediately and call the professional personnel to
maintain it. Operate by force or maintain improperly will lead to large gas leakage or
deflagration easily. The manufacturer won’t bear any responsibility for fire hazard
caused by improper operation or maintenance.
Housing of the appliance must be grounded to ensure safety. Thanks for your
cooperation!

Contents
1. Functional Introduction...................................................1
2. Structure Schematic Diagram & Working Principle...............1
3. Basic Features & Parameters........................................3
4. Precautions & Recommendations..................................5
5. Working Instructions & Operation Flow..........................8
6. Routine Inspection.........................................................12
7. Cleaning & Maintenance................................................12
8. Failure Analysis & Trouble Shooting..............................13

1
1. Functional Introduction
This product is manufactured by our company, which is combined with advantages from
home and abroad. It is novel in design, reasonable in structure, easy in operation, durable
in using and convenient in maintenance. The chamber, whose size is in accordance with
the standard size of gas oven, is made of high-quality stainless steel and covered by high
density glass fiber that can preserve heat constantly. The door is made of double-deck
glass fiber with a good thermal insulation. The door surface is made of stainless steel and
the handle is Bakelite product, which is insulated and has a good thermal protective
performance, with a spring hinge.
2. Structure Schematic Diagram & Working Principle
2.1 Structure Schematic Diagram
C9GRA4EVE1

2
2.2 Structural & Functional Features：
1. High-quality stainless steel made.
2. With good impermeability, no food residues will be left out.
3. High-quality oxidation cast-iron burner.
4. Equipped with flame failure safety protection device.
5. Adjustable flame.
6. Heat-resistant enamel baseboard.
7. Adjustable high-quality stainless steel feet.
8. Fast heating up, easy operation and convenient maintenance.
9. Convertible nozzles, suitable for various gases.
10. Gas valve is brass made, with safety device and thermocouple, preventing gas
leakage and fire hazard.
11. Knob of gas valve is Bakelite die casting, an insulation, heat-proof.
12. Enamel surface treatment of oven board, easy to clean, very sanitary and clean.
13. Heating for oven combines top and bottom heating with hot-air convection etc.
14. Independent and random thermostatic control, energy saving.
15. Desired oven temperature can be set according to requirements and food condition.
2.3 Electrical Diagram
Gas Range with Electric Convection Oven

3
Gas Range with Electric Oven
3. Basic Features & Parameters
3.1 Basic Model
Model
C7GRA4EVE1
C7GRA6EVE1
C9GRA4EVE1
C9GRA6EVE1
Dimension（mm）
700×700×850+60
1050×700×850+60
800×900×850+60
1200×900×850+60
Power
（kW）
LPG
24
36
30
45
NG
24
36
30
45
Oven Power（kW）
4.8
4.8
6.5
4.8
Voltage（V）
380
380
380
380
N/W（kg）
111
144
136
179

4
3.2 Non-Basic Model: (For gas range mainly, user can choose different
combination in accordance with actual requirement. For the total power,
please refer to the nameplate.)
Burner
Power (KW)
Gas Consumption
NG
LPG
NG (M3/H)
LPG (KG/H)
Big Burner (2-crown)
9
9
0.95
0.75
Big Burner (1-crown)
7.5
5.6
0.79
0.47
Middle Burner
4.5
4
0.48
0.33
Small Burner
3.5
2.8
0.37
0.23
3.2.1 Big Burner with 2-crown (burner diameter: φ75mm)
3.2.2 Big Burner with 1-crown (burner diameter: φ75mm)

5
3.2.3 Middle Burner with 1-crown (burner diameter: φ67mm)
3.2.4 Small Burner with 1-crown (burner diameter: φ47mm)
4. Precautions & Recommendations
4.1 Transportation and Storage
During transportation, the machine should be carefully handled and do not put it upside
down to prevent from damaging to the shell and inside. The packaged machine should be
stored in a ventilated warehouse without corrosive gas. If it needs to be stored in open air
temporarily, measurement against raining is needed.

6
4.2 Notice for Installment
Gas Connection:
1. Before installation, a quick acting disconnecting valve should be installed upstream
the appliance where is easy to reach.
2. Making sure the applicable gas is the same as the supplied one. If not, stop using.
3. Pipeline connected to the appliance should be connected with proper metal pipe.
4. Test the appliance with LPG first.
5. If the pipeline pressure is 10% higher or lower than the rated pressure, please install a
pressure regulator to adjust the gas pressure to reach the rated one.
6. After connecting the appliance to the gas system, check for leaks at joints and pipe
fittings; to do so, use soapy water or a specific leak detector (spray). “No Flaming!”
Electrical Connection:
1. The appliance is equipped with an earth bolt at its back, which should be connected
with copper wire no less than 1.5mm²and earth wire that conforming to safety
regulations reliably.
2. After installation, check that whether the connection is loose, whether the voltage is
normal and whether the safety grounding is reliable.
3. The fixed arrangement of wire should be equipped with an all-poles disconnecting
switch with a contact opening of 3mm on its poles. It is advisable to install a
grounding leakage protection switch. Do not pile up sundries in front of the switch, for
convenient operation sake.
4. Adjustable temperature: 50-300℃; recommended operating temperature: 180-250℃.
Notes:
1. Installation should be done by professional technician.
2. Take out the attached battery, turn the pulse button counterclockwise, then put in the
battery in the correct direction as shown and tighten the pulse button.
3. Appliance connection should conform to provisions in gas safety, installation and
operation.
4. The appliance should be installed separately or assembled with other devices in
specified scope.
5. The appliance should keep a minimum clearance of 10cm away from
non-combustible substance (e.g. walls, windows etc.) on both sides, and 20cm at its
back. Do not install the appliance on flammable floor or materials.
6. During installation, please consider the weight of the appliance. It is advisable to
install on the floor.
7. The appliance should be installed in a well-ventilated area, if possible under a vent
hood, in compliance with all applicable regulations in force. This will ensure that all
burnt gases produced during the combustion process are completely exhausted.