Migali C-RB24-NG User manual

Gas Radiant Countertop Char Broilers
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 : C-RB24-NG(LP) / C-RB36-NG(LP) /
C-RB48-NG(LP)

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Dear customers and users:
Thank you for purchasing our products. In order to be able to better use
this product, please read these instructions carefully before any operation,
and follow the guide, to avoid any unnecessary trouble during using.
Please keep this instruction manual in a safe place 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.
The appliance is designed for commercial purposes, 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

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Gas Radiant Countertop Char Broilers
Installation, Operation and Maintenance Guide
Contents
1. Safety Protection.......................................................................................- 3 -
2. Brief Introduction......................................................................................- 4 -
3. Manufacturer's Authority and Responsibility..................................- 4 -

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4. Parameter Specifications........................................................................- 5 -
5. Transport and Storage ............................................................................- 8 -
6. Installation and Debugging ..................................................................- 9 -
7. Safety Notices and Precautions.........................................................- 13 -
8. Operating Instructions..........................................................................- 14 -
9. Cleaning and Maintenance .................................................................- 18 -
10. Troubleshooting....................................................................................- 21 -
11. Spare Parts..............................................................................................- 23 -
12. Accessories List .....................................................................................- 27 -
1. Safety Protection
Please make sure that the operator is an authorized and licensed
technician before you allow him/her to install and operate the products.
Be sure to strictly follow this instruction guide during installation and
using. The manufacturer is not responsible for any dangers 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

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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 not be operated by those under 18 years of age,
or those with physical or mental disorders, or disabilities that lack the
necessary knowledge or experience unless with appropriate
instructions and sufficient safety.
2. Brief Introduction
The product is a series of gas char broilers in our company production,
which is novel designed, reasonable structured, convenient operated,
durable used, and convenient maintained. It's equipped with a high
efficiency stainless steel tubular burner and a pilot light, and convenient to
ignite the main fire burner. This is hotel, supermarket, western restaurant,
noshery and food industry's ideal barbecue product equipment.
3. Manufacturer's Authority and Responsibility
Banning of all or partial transformation to the products without the
manufacturer's explicit authorization.

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The Manufacturer refuses to undertake responsibility to third
parties for the following reasons:
Not follow the instruction guide and take caution in using and
testing;
Not comply with the requirements of technical parameters using this
product;
Incorrectly or irrationally using the product by untrained personnel;
Not obey the local law using this product;
Be repaired or changed by unauthorized technicians;
Use the spare parts or accessories provided by non-manufacturer;
Accidents caused by force majeure;
Not strictly comply with related guide of instruction by any reason.
4. Parameter Specifications
4.1、Outline Dimensions(inch)*
C-RB24-NG(LP)

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C-RB36-NG(LP)

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C-RB48-NG(LP)

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4.2、Gas Supply and Burner Information
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-tub
e pressure
（in.W.C.）
Per BTU
B.T.U./h
Total
BTU
B.T.U./h
Nozzle
No.
C-RB24-
NG(LP)
2 pieces
Independen
t control
Natural
Gas
4
35,000
70,000
#36
L.P. Gas
10
35,000
70,000
#50
C-RB36-
NG(LP)
3 pieces
Independen
t control
Natural
Gas
4
35,000
105,000
#36
L.P. Gas
10
35,000
105,000
#50
C-RB48-
NG(LP)
4 pieces
Independen
t control
Natural
Gas
4
35,000
140,000
#36
L.P. Gas
10
35,000
140,000
#50
5. Transport and Storage
In the process of transportation, handle carefully and keep upright to
prevent damage to the product packing. Wrapped equipment should not
be long-term open storage, and shall be placed in a well-ventilated and
non-corrosive gases warehouse. When equipment needs temporary storage,

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rainproof measures should be taken.
6. Installation and Debugging
Any erroneous installation, adjustment, refit, overhaul or
maintenance may cause property damage or personal injury. All this
work shall be completed by authorized and licensed technicians,
otherwise the manufacturer has the right not to provide warranty
service;
Only 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 individual 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).
6.1、Unpacking and Installation
Please dispose of all packaging materials and residues after unpacking;
Check the equipment. If it is damaged, please keep wrappers and
receipts, which must be signed by the carrier representative (Driver), and
contact the carriers to pursue a claim within 15 days after receiving;
Check all accessories complete. Refer to P17 table 5;

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Be sure to install supporting legs before using, and do not tear up any
label or logo before the normal using;
Please read these instructions carefully before installation and operation.
Please contact your local agent if you have any questions;
The charbroiled shall be installed on a level, solid, non-skid and
incombustible surface, and placed in a well-lighted work area with
waterproof, and away from children and customers;
The installation position is a well-ventilated place in accordance with the
local regulations;
The charbroiled must be installed under the matched cooking fume
exhauster according to the local regulations;
Important: Installation and ventilation laws, and codes are very
different, you should state and comply with all codes of the National
Fire Protection Association Inc when it comes to requirements for
installation of equipment;
Screw 4 adjustable stainless steel legs in the tapping hole with four
corners of the char broiler bottom, ensure sufficient space for ventilation;
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 you need to move it;
Open the grate, and take out the support under it, and reinstall grate
after you make sure the thermal radiation plate is unmoved, and dispose

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the support;
Supplied gas pressure regulator is factory set at 4”Natural Gas W.C, and
10”L.P. Gas W.C;
The equipment can only be placed on the nonflammable counter top,
and keep a distance of at least 6 inches(152mm) to equipment’s both sides
and back, and keep a 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;
Leave enough distance in front of the equipment to take apart the
control panel. All major parts, in addition to the burner remove from the
front intake-tube;
It may be necessary to adjust the balance of air input by authorized and
licensed technicians;
Pipe threading compound must be resistant to the action of liquefied
petroleum gases.
Warning! Use soap water or testing instrument to test whether
piping joint leaks before use, and forbidden to use an open flame to
test!
After installing, you should check gas supply pressure. Use a pressure
gauge which is equipped with liquid (such as U-type pressure gauge, the
minimum value is 0.1mbar) or a digital pressure gauge to test. Steps as
following:

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●Remove counter top plate, and needle
type pressure joint screw arbor (Fig.1),
then slip rubber tube of pressure gauge
over needle type pressure joint;
●Start the equipment in accordance with
the instructions, measuring gas supply
pressure (dynamic pressure) in the work state;
●Access to the equipment if measured data within the limits of table 1,
otherwise, you will need to adjust gas pressure regulating valve or
contact gas supplier to bargain;
Fig.1
●Unplug pressure gauge after you accomplish pressure testing, then
install needle type pressure joint screw arbor. Important: must screw
joint screw arbor to prevent gas escape!
6.2、Debugging
It’s very important to debug the new stove. Through the
comprehensive system test of equipment, we can ensure product’s
function and safety performance. Discovering any potential problems
before use (such as equipment’s placement, ventilation, operation, etc),
can avoid costly losses.

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7. Safety Notices and Precautions
Warning! For your safety, do not place petrol and other flammables
nearby. Please keep clean and free of flammables surroundings. (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, should 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:
The char broilers burners, grates and outside surfaces may become hot
after using, so you must be careful to touch;
During operation, do not directly touch burners and grates;
Turn off the equipment as not in using, cleaning, servicing or adjusting
any parts or attachments.
If the equipment has any problems of equipment damage, gas piping
leaks, igniter or valves damage, or lose product accessories, do not operate
by yourself and call customer service immediately;

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The use of attachments not recommended or sold by the manufacturer
may cause fire, personal injury, even death;
Do not use out of doors;
The equipment is used for barbecue, not available 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 not to
provide 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.
Waiting until the unit cools down before you clean. Because the unit is
too hot to handle after using.
8. Operating Instructions
Before operating, make sure place the unit horizontally by adjusting
bottom adjustable legs, and place the catch tray properly.
The pilot light has been set at the factory. Each burner has a pilot light.

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8.1、Lighting the pilot light
Turn the control valve at the position of “0”(Fig.2), make sure all knobs
are in the close state. Light and hold an ignition source at the pilots. The
pilot light may not be lighted immediately, for existing gas in the pipe. Wait
a minute, the pilot light will be lighted after the gas extinguished.
Tips: You can use a screwdriver to adjust the height of the flame (Fig.3).
8.2、Lighting the main burner
Revolve the main fire control valve knob counterclockwise after lighting
the pilot light, then the main fire burner is lighted by the pilot light. The
power of burner increases as revolving angel increases. When knob reaches
to " ", burner is in the maximum power(Fig.4).

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Fig.2 Fig.3 Fig.4
Make sure air circulation at the bottom of equipment;
Do not use fan or air-conditioning blowing at the flame, in order to
avoid extinguishing flame, and cause safety accidents;
Install the matched cooking fume exhauster according to the local
regulations over the char broiler;
Make sure to keep natural air circulation in the kitchen.
8.3、Turn off the valve
Revolve the control valve knob clockwise to "0" (Fig.1), so that
extinguish flame of the main burner, but the pilot light still works.
After turning off the equipment, the main fire should be stop more
than 5 minutes before next using.
8.4、Stove Operation
Before using the stove for the first time, please use a mild detergent to
wipe it clean. Do not use corrosive or abrasives detergent.
Turn the burners on about 15-20 minutes before broiling for
preheating, according to the cooking requirement to adjust the flame size.
Notice: When first preheating, the furnace will smoke rise. This is
because of protective lipids on the grates and other parts are heated, it

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is normal, and it will be eliminated after the power up to the maximum
for burning an hour.
One side of grate with grease trough (Fig.5), and on the other side of
grate is flat (Fig.6), users can choose a side according to demand, users also
can adjust grate’s gradient according to demand (Fig.7). The side of grate
with grease trough up if roasting food with more oil, and oil will drop into
grease trough, then flow to catch tray.
Fig.5 Fig.6 Fig.7
8.5、Exchange main fire nozzle to switch gas source
Remove control panel, grate and heat storage plate, remove the pilot
light head, and bottom tightening screw of the end of burner (arc), then
remove main fire nozzle with proper open spanner, exchange nozzle of
another gas source, then screw it (Fig.8). Reinstall burner, the pilot light
head, cooking grates and control panel in proper place.
Caution: Each main fire nozzle of the burner has been installed
before delivery, normal use without adjustment but only switching gas.
Adjust only by authorized and licensed technicians. When you converse

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the gas source, exchange the corresponding pressure maintaining valve
which installed on air intake. See 2 in P17.
8.6、Adjust air input
Remove control panel, unscrew damper solid screw(Fig.9), revolve
damper left to right (Fig.10), meanwhile, observe flame and adjust an
appropriate opening degree. Then screw damper solid screw, make sure the
equipment will not get loose in the process of moving and translation.
Reinstall control panel.
Caution: Each burner damper has been adjusted before delivery
(once air input), normal use without adjustment but only switching gas.
Adjust only by authorized and licensed technicians.
Fig.8 Fig.9 Fig.10
9. Cleaning and Maintenance
Do not use any abrasive or flammable detergent to wipe;
Do not hose down, immerse or pressure wash any part of the char
broiler, excluding the catch tray;
Do not use abrasive cleaning matters to wash, even not use

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corrosive detergent!
Warning: Before cleaning, all control valves must be
turned off. Strictly follow the lighting instructions to work
again after cleaning!
Warning: Wait for the equipment cool down before your
cleaning!
Cut off the gas source as not in using;
If the equipment is not used for a long time, clean the surface by
wiping it with a soft cloth and place it in a well-ventilated area;
Comprehensively check the equipment at least once every year by
authorized and licensed technicians;
The product is made of 90% metals, and can not be disposed
anywhere. Deal with it in accordance with the local codes.
Instructions to clean appliance regularly with recommended
cleaning agents, if necessary.
Recommended cleaning methods
<Table 2>
Item
Method
Time
Body
Wipe it with a soft cloth and mild
daily