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. 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
1
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
2
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
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
Power
(kW)
3
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)
4
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.
5
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 1.5mm² and 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.
2.
4.
Installation should be done by professional technician.
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.
Appliance connection should conform to provisions in gas safety, installation and
operation.
The appliance should be installed separately or assembled with other devices in
5.
specified scope.
The appliance should keep a minimum clearance of 10cm away from
3.
6.
7.
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.
During installation, please consider the weight of the appliance. It is advisable to
install on the floor.
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.
6
8.
After installation, keep the appliance stable and level. Do not tilt or sway during
9.
operation.
Before installation, remove the outer plastic films and clean the residue on stainless
steel sheet with appropriate substance.
10. Check that the device is pre-set to use the gas family or voltage available at the place
of installation. Before installation, make sure that the supply gas (voltage) is the same
as the gas (voltage) that the device allows to use.
11. Do not use gas that not applicable to the appliance as fuel, neither does
high-pressure or medium-pressure regulating valve. (This appliance is only
applicable to low-pressure regulating valve.)
12. The supply voltage should comply with the working voltage of the appliance.
13. Do not place flammable substance (e.g. towel etc.) on anywhere of the furnace
surface, otherwise, it may cause fire hazard.
14. After working, turn off the gas valve and power switch immediately.
15. If gas leakage is found, turn off the gas valve immediately and open the windows to
ventilate. Do not turn the power and switches on or off. Reuse the appliance after
maintenance.
16. Vicinity of the mounting position should not store flammable or explosive objects. The
ambient temperature should be lower than 45℃ and the relative humidity should be
below 85%.
4.3 Special Notice
1.
2.
Installation, initial use and maintenance should be done by professional or licensed
personnel or franchised person approved by manufacturer.
Please keep the integrity of the appliance and remove the outer packaging. If you do
have any questions, call the specialist and stop using the appliance. To avoid danger,
keep the packing materials away from children. (For the materials are plastic bags,
nails etc.)
3.
4.
To avoid hazard, turn the appliance off if not going to used it or if it is unattended.
This product is a commercial machine that needs to be operated by trained personnel,
not applicable for household use.
5.
This product is only for commercial use, not suitable for other uses, or it may cause
danger.
6.
Do not sway or tilt the appliance during operation.
7.
Do not dismantle or self-modify the appliance. Dismantlement and self-modification
may cause casualty.
8. Before cleaning, unplug and cut off the power supply.
9. During cleaning, do not aim at the appliance with water jet. Water may conduct
electricity, it may cause electric shock due to leakage.
10. Do not pat the product or put any heavy objects onto it. Do not place any objects in
the smoke vent. Obstruction of smoke exhaustion may do harm to health.
7
11. Abnormal operation may cause appliance damage and danger.
12. High temperature may cause scald. Do not touch the appliance directly with hands
due to high temperature during or after operation, especially the high-temperature
area.
13. Do not use extra power supply (gas) that not marked on the product.
14. Do not use power knife or quick acting disconnecting valve that not conforming to
safety standard.
15. Do not destroy the control panel with hard or sharp objects.
16. To prevent damage, turn off the switch ASAP when near the thunder zone.
17. After working, turn off the power knife and quick acting disconnecting valve.
18. If the power cord is damaged, to avoid hazard, substitution should be done by
manufacturer or its maintenance department or similar professional personnel.
5. Working Instructions & Operation Flow
5.1 Gas Range:
5.1.1. Control Knob:
It will be OFF when the red needle
aligns with the 0 position.
ignition
MAX
MIN
8
5.1.2 Ignition:

Press down the control knob and rotate it counterclockwise to align “
” with the zero
salient point. At this time, hold the knob and push down the igniter simultaneously to
light up the pilot flame. (Initial ignition may be a little longer due to the air existing in
the pipeline. The pilot flame can be normally ignited when the air is exhausted
completely.)

After ignition, release the knob 20s later.

Turn the knob to MAX
or MIN
according to food requirements.
5.1.3 Flameout:


Press down the control knob and rotate it clockwise to the zero salient point ●.
Turn off the main gas supply.
5.1.4 Replacing the Main Nozzle(Picture 4):


Prepare tools involved.
Dismantle the burner frame, gas ring, burner base and take out the basin, then
remove the nozzle and substitute it with a matched one.

Fasten the nozzle and replace the basin, burner base, gas ring and burner frame in
order.

As for oven, take apart the lower panel of the oven door and discharge the nut and
nozzle holder with an appropriate spanner, then substitute with a matched nozzle.

Fasten the nozzle and detect for leakage, then seal the panel.
5.1.5 Replacing the Pilot Nozzle(Picture 4):




Position a proper spanner on the nut of the pilot support to balance the twisting
stress.
Discharge the screw fixing the thermocouple with a straight screwdriver and remove
the thermocouple.
Dismantle the nut fixing the aluminum pipe and remove the pipe.
Remove the pilot nozzle and replace with an appropriate one. It is unnecessary to
regulate the primary air.
9
5.1.6 Adjusting the Pilot Nozzle :

Position a proper spanner on the nut of the pilot support to balance the twisting

stress.
Discharge the bolts at bottom of the support with a straight screwdriver.


Unscrew the screw in the support counterclockwise to adjust the flame.
Primary air can be regulated in accordance with gas type.
Notice: After the adjustment of the pilot nozzle and the replacement of the main
flame nozzle, gas leakage must be checked.
5.2 Electric Convection Oven:
5.2.1 Switch Function
(The functions can be achieved by aligning the level switches with 0 point.)
level switch
fan
top & bottom
heating element
rear
heating
element with fan
It will be OFF when the red needle
aligns with the 0 position.
bottom heating
with fan
element
top heating element
with fan
bottom heating element
top heating element 10
working indicator
manual reset
thermostat, set range: 50-300℃
timer, set range: 20-120min
manual function
(When selected, there is no time
limit.)
5.2.2 Operation Principle:
1. Before using, check that whether the power installation is correct, and make sure that
the supply voltage complies with the working voltage of the appliance.
2. Connect the power supply, the green indicator illuminates, which indicates that the
appliance is energized.
3. Have the desired temperature and time set, then select the desired function on the
level switch to start working. At this time, the working indicator illuminates, which
indicates that the heating elements are heating up the oven.
4. Temperature is adjustable by the will of users according to food type, 180℃-250℃ is
recommended. It takes about 8-10 min to reach 250℃ from power on.
5. There are 7 different levels on the level switch, each with distinct function, users can
shift among the functions according to actual requirement.
6. When the set point is reached, the thermostat will cut off the power supply
automatically with the yellow indicator off. The heating elements stop working and the
oven keeps in a constant temperature.
7. If the temperature drops a bit, the thermostat will connect the power supply
automatically. The heating elements restart heating up the oven. The procedure
circulates.
11
8. After working, turn the thermostat, timer and level switch counterclockwise to OFF
position, then shut down the power switch to cut off the power supply.
6. Routine Inspection
It is necessary to check the machine daily.
Check the machine regularly can avoid serious accident happens.
Stop using if user feels that there are some problems in the circuit or machine.
Check the situation of the machine before or after using every day.
Before using: Whether the machine is tilted?
Whether the control panel is damaged?
Whether the power cord is aging, cracking or damaged?
During using: Whether there is strange odor or vibration noise?
Whether the temperature is out of control or any electric leakage?
Whether the burner flame is normal? Any light back or flameout?
7. Cleaning & Maintenance
1.
2.
Clean the burner and crumb tray regularly.
Clean the dirt on burner and baffle regularly.
3.
To prevent surface oxidation and chemical interaction, the stainless steel surfaces
4.
should be cleaned appropriately and regularly.
Cleaning before operation should be carried out after the power supply is cut off.
5.
After working everyday, clean the furnace board, surfaces and power cord with wet
towel containing non-corrosive detergent. Do not aim at the appliance with water
directly. Water infiltration may damage electric property and cause electric safety
accident.
6.
7.
Do not aim at the appliance with water jet directly during cleaning.
During cleaning, do not clean the stainless steel surfaces with abrasive detergent,
brush or scraper etc. Scraps may cause rusting. Rub according to the satin direction.
Do not clean the steel surfaces with chlorine products (bleach, hydrochloric acid etc.)
though such products are dilute.
Do not clean the floor where the appliance located with corrosive substance (e.g.
8.
KCL).
9. Do not modify the ventilated space required for combustion.
10. If not going to use the appliance at any time, turn off the thermostat, power switch and
quick acting disconnecting valve.
11. If not going to use the appliance for a long period of time, clean the stainless steel
surface with a gasoline cloth. Then clean the appliance completely and store it in a
well-ventilated warehouse without any corrosive gases.
12
12. 90% of the appliance is made of metal (stainless steel, iron, aluminum, galvanized
metal sheet), which can be recycled by appointed treatment plant according to the
environmental standards of the equipment installed countries in force. (No littering!)
8. Failure Analysis & Trouble Shooting
Symptoms
Causes
1.
The pilot flame cannot
be lit up.
Solutions
Pressure in gas pipeline is
not enough.
the
reducing
The nozzle is blocked.
valve.
3.
Connection of thermocouple
2.
Unblock the nozzle.
4.
is loose.
The
thermocouple
3.
4.
Tighten the thermocouple.
Replace the thermocouple.
5.
Replace the gas control
is
5.
The gas control valve is
defective.
1.
Pressure in gas pipeline is
The pilot flame is on but
the main burner cannot
2.
not enough.
Main nozzle is blocked.
be lit up.
3.
The gas control valve is
defective.
1. Nozzle diameter does not
It has red flame and
black smoke.
Regulate
2.
defective.
It has a light-back sound
when turning off the gas
supply.
1.
match with the gas supply.
2. The damper is too large.
3. The supply pressure is too
low.
4. Flow of connected pipe is not
enough.
valve.
1.
Regulate
2.
valve.
Unblock the nozzle.
3.
the
reducing
Replace the gas control
valve.
1. Regulate
the
nozzle
diameter.
2. Adjust the damper.
3. Regulate the reducing
valve.
4. Increase the permitted flow.
1. Nozzle diameter does not
match with the gas supply.
2. The damper is too small.
3. Gas nearly runs out.
1. Regulate
the
nozzle
diameter.
2. Adjust the damper.
3. Replace the gas.
4. Gas ingredients are volatile in
4. Decrease the gas flow.
gas peak period.
Increase it after the peak.
Aforementioned troubles are just for reference. If any failure occurs,
please stop using and inform the professional technicians to check and
repair. Safety is first and maintenance should be done after shutting
down the power supply and gas supply.
13
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