thermo mate GHSS302 Parts list manual

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Built-in Gas Cooktop
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GHSS302 & GHSS775
Instruction / Installation Manual

CONTENTS
Close-up view ................................................................................................
How to use your gas cooktop .........................................................................
How to keep your gas cooktop in shape ..................................................
Practical advice ..............................................................................................
Is there a problem?.........................................................................................
Installation instructions for built-in ............................................................
Table1 burners and nozzle specifications .......................................................
Table2 how to convert gas source .............................................................
Table3 adapting to different types of gas........................................................
Notice .............................................................................................................
02
03
04-05
06
07
08-13
14
15-16
17
18
Please read this manual before the operation, and keep this manual
for future use.
Congratulations on choosing this appliance, you will find it is
dependable and easy to use. We advise you to read this manual for best
performance and to extend the life of your appliance. Thank you.
IMPORTANT
Read all instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in a possible electric shock,
injury to persons, fire hazard and will void the warranty.
Please read the Installation & Operating Instructions before using this
appliance.
Any questions regarding the operation, maintenance service or warranty of
the appliance, should be directed to thermomate.
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CLOSE-UP VIEW
1. Auxiliary burner
2. Semi-rapid burner
3. Rapid burner
4. Triple ring wok burner
5. Igniter for gas burners
6. Safety device-activates if the flame accidentally goes out (spills, drafts,
etc.), interrupting the delivery of gas to the burner.
7. Control knobs for gas burners
8. Pressure regulator
4
2
7
2
1
3
2
4
7
8
5
6
GHSS302 GHSS775
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HOW TO USE YOUR GAS COOKTOP
The position of the corresponding gas burner is indicated on each control
knob.
Gas Burners
The burners are different in size and power. Choose the most appropriate one
for the diameter of the cookware being used.
The burner can be regulated with the corresponding control knob by using one
of the following settings:
On those models fitted with a safety device (F)
The knob must be pressed for about 6 seconds until the flame is lighted and
warmed up.
On those models fitted with an igniter (D)
The "E" ignition button, identified by the symbol, must be pressed first, then
the corresponding knob is pushed and turned in the counter-clockwise direc-
tion to the "High” setting.
Some models are equipped with an ignition switch incorporated into the
control knob. If this is the case, the igniter (D) is present, but not the switch
(the symbol is located near each knob).
To light a burner
Simply press the corresponding knob and turn it in the counter-clockwise
direction to the High setting, keep press until the burner is lighted.
OFF
High
Low
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Caution
If the flame goes out accidentally, turn off the gas with the control knob and try
to light it again at least 1 minute later.
To turn off a burner
Turn the knob in the clockwise direction until it is stopped (it should be on the
"." setting).
HOW TO KEEP YOUR GAS COOKTOP IN
SHAPE
Before cleaning or performing maintenance on your gas cooktop, disconnect it
from the electrical power supply (included battery power).
To extend the life of the gas cooktop, it is absolutely indispensable that it
is cleaned carefully, thoroughly and usually, please keep in mind to the
following:
● The enameled parts, must be washed with warm water without using
abrasive powders or corrosive substances which could ruin them;
● The removable parts of the burners should be washed usually with warm
water and soap, make sure to remove caked-on substances;
● Automatic igniter pin, the end must be cleaned carefully and usually, make
sure ignition keep working normally.
● Stainless steel top plate and other steel parts can be stained if keep touch
with high concentration calcareous water or corrosive detergents
(containing phosphorus). To extend the life, we advise these parts be rinsed
thoroughly with water and dry them by blowing, It is a good idea to clean up
any spills too.
● After cooktop working, the surface must be cleaned by a damp cloth
to remove dust or food residues. Surface should be cleaned regularly
with warm water and non-corrosive detergent.
First, to remove all food residues or greases with a cleaning scraper, e.g.
While the cooking surface is warm, clean it with a suitable cleaning product
and paper towels, then rub with a damp cloth and dry surface. Such as
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aluminum foil, plastic items, objects made of synthetic material, sugar or
foods with a high sugar content that have been melted onto the surface, it
must be removed immediately.
While the cooking surface is still hot, clean it with a scraper and a
transparent protective film which prevent to make more dirt. This also
protect the surface from damage caused by food with a high sugar content.
Do not use abrasive sponges or cleaning products, these holds true for
chemically aggressive cleaners, like oven sprays and stain removers
(Fig.2);
● Cleaning the grill/pan support, it is recommended to clean it while it is still
hot. To move grill away from the cooktop and put it in sink, remove the food
residues or grease first, after grill has cooled, rinse it with water.
Greasing the Gas Valves
Turn the knob in the clockwise direction until it is stopped (it should be on the
"." setting).
N.B.: This procedure must be performed by a technician
authorized by the manufacturer.
Fig.1 Fig.2
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Ø Cookware diameter (inch)
3.94-5.51
6.30-7.87
8.66-9.45
9.45-10.24
PRACTICAL ADVICE
Practical Advice on Using the Burners
For best performance, follow these general guidelines:
● Use the appropriate cookware for each burner (see table) in order to
prevent the flame to reach the side of the pot or pan;
● Always use cookware with a flat bottom and keep the lid on;
● When the contents come to a boil, turn the knob to "Low".
PRACTICAL ADVICE
To identify the type of burner, refer to the designs in the section entitled,
"Burner and Nozzle Specifications".
Practical Advice on Using the Half Fish-Kettle Burner
The two central burners, or Half Fish-Kettle burners, are elliptic in form and
can be turned up to 90°. This makes the cooktop more flexible in terms of how
it can be used.
To turn the two central burners 90°, proceed as follows:
● Make sure that the burners are cool;
● Lift the burner completely out of its housing;
● Replace it in its housing in the position desired;
● Make sure that the burners are positioned correctly before use.
In addition, the two central burners can be used in tandem or separately
with cookware of different.
Burner
Auxiliary burner
Semi-rapid burner
Rapid burner
Triple ring wok burner
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IS THERE A PROBLEM?
If you find gas cooktop cannot work suddenly or cannot work properly. Before
calling customer service for assistance, let us check what we can do.
First of all, check and confirm there have no interruptions to the gas and
electrical supplies.
Particularly if the gas valves keeping turn on.
The burner cannot be lighted or the flame is not uniform around the
burner.
Check to make sure that:
● The gas holes on the burner are not clogged;
● All the movable parts that make up the burner are fixed correctly;
● There are no air flow around the cooking surface.
The flame do not keep lighting to the burner with thermocouple.
Check to make sure that:
● You press the knob all the way;
● You keep pressing the knob for an enough time to activate the
thermocouple.
● The gas holes are not clogged in the area corresponding to the
thermocouple.
The flame go out while turn knob to "Low" setting.
Check to make sure that:
● The gas holes are not clogged.
● There are no air flow around the cooking surface.
● The minimum has been adjusted correctly (see the section entitled
"Minimum Regulation").
The cookware is not stable.
Check to make sure that:
● The bottom of the cookware is perfectly flat.
● The cookware is centered correctly on the burner.
● The support grids have not been inverted.
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After checked all of these, the gas cooktop still do not work properly, please
call the Customer Service Center and inform them of:
--The type of problem.
--The gas cooktop model number as indicated on the packing carton.
Never call the technicians who is not authorized by your supplier, and
refuse to use the spare parts which are not from manufacturer.
INSTALLATION INSTRUCTIONS FOR
BUILT-IN
The following instructions are directed at the qualified installer, so the
installation and maintenance procedures may be followed in the most
professional and expert manner.
IMPORTANT
Unplug the electrical connection before performing any maintenance or regular
upkeep work.
Positioning for gas cooktop
IMPORTANT
This unit may be installed and used only in permanently ventilated rooms.
a) The room must be fitted with a ventilation system which ventilate smoke
and gases from combustion to the outside of rooms.
This must be done by hood or electric ventilator.
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b) The room must be allowed for the influx of the air which for proper
combustion. The air flow for combustion purposes must not less than
70.63 cu ft per kW of installed capacity. The air supply will be effected by
influx from the outside through a duct, its inner cross section is at least
15.50 sq.in and must not be blocked accidentally.
The gas cooktop without safety devices, to prevent flame go out
accidentally, must have a ventilation working on twice volume. For
example, a minimum of 31.00 sq.in (Fig. 3). Otherwise, the room can be
vented indirectly through adjacent rooms which is fitted with ventilation
ducts to the outside. Although the adjacent rooms are not shared areas,
bedrooms, but fire risk is hidden (Fig. 4).
In a chimney stack or branched flue
(exclusively for cooking appliances)
Directly to the Outside
Examples of ventilation holes
for comburent air
Enlarging the ventilation slot
between window and floor
Adjacent Room Room to be Vented
Fig.3 Fig.4
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c) Intensive and prolonged working of the gas cooktop that need to intensify
ventilation, e.g. opening windows or increasing the power of the air intake
system (if present).
d) Liquefied petroleum gases are heavier than air, so settle it downward.
Rooms in which LPG cylinders are installed must be fitted with ventilation
to the outside to avoid of gas leakage.
Therefore, LPG cylinders which are empty or partially full, must not be
installed or stored in rooms or spaces below ground level (cellars etc.). It is a
good idea to keep only the cylinder which is working currently in the room, and
make sure that it is not closed to heating source (ovens, fireplaces, stoves,
etc.).
Installation of built-in gas cooktop
The gas cooktops are designed with protection degree against excessive
heating, the appliance can be installed next to cabinets, and the height should
not exceed the cooktop.
For a correct installation, the following precautions must be followed:
a) The cooktop may be located in a kitchen, a diner or bed/ sitting room, but
not in a bathroom or shower room.
b) The furniture standing near to the unit, it is higher than the working boards,
must be placed at least 4.33 in distance to the edge of the board.
c) The cabinets should be positioned near to the hood at a height of 16.54 in
at least (Fig. 5).
Min. 35.43 inch
HOOD
Min. 16.54 inch
Min. 16.54 inch
Min. 25.60 inch with hood Min. 27.56 inch with hood
Fig.5
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d) Cooktop should be installed directly under a cupboard, the latter should be
at least 27.56 inch from the worktop, as shown in Fig. C.
e) Fixing fittings (hooks, screws) are provided to place the cooktop on work
top, measure 0.79x1.57 inch in thickness (see Fig. 6).
Fig.6
Hook position for
H=0.79 inch top
N.B: Use the hooks contained in the "accessories bag"
Hook position for
H=1.58 inch top
Hook position for
H=1.91 inch top
CLEARANCES REQUIRED
WHEN FITTING THE COOKTOP
WITHOUT A COOKER HOOD ABOVE
Unit: inch Unit: inch
CLEARANCES REQUIRED
WHEN FITTING THE COOKTOP
WITH A COOKER HOOD ABOVE
5.9 inch(MAX)
1.57 inch
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Gas connection for gas cooktop
The gas cooktop should be connected to the gas-supply by a registered
installer. During installation, it is essential to fit an approved gas tap to isolate
the supply from the cooktop for the convenience of any subsequent removal or
servicing. Connect the cooktop to the gas mains or liquid gas, it must be
carried out according to the prescribed regulation in force, and only after it is
ascertained that it is adaptable to the type of gas to be used. If not, follow the
instructions indicated in the paragraph headed "Adaptation to different gas
f) In the event the gas cooktop is not installed on a built-in oven, a wooden
panel must be inserted for insulation. This panel must be placed at least
0.79 inch in distance from the bottom of cooktop.
IMPORTANT
When installing the cooktop on a built-in oven, the oven should be placed on
two wooden strips; in the case of a joining cabinet surface, remember to leave
a space of 1.77x22.05 inch at least from the back side.
When install cooktop on a built-in oven without forced ventilation, ensure that
have air inlets and outlets to ventilate the interior of the cabinet adequately.
22.05 inch
1.77 inch
9.30 sq.in
55.80 sq.in
18.60 sq.in
27.90 sq.in
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types". In the case of connection to liquid gas by cylinder, use pressure
regulators that conform to the regulation in force.
IMPORTANT
For safety, for the correct regulation of gas use and long life of the cooktop,
ensure that the gas pressure conforms to the indications given in table 1
"Burners and Nozzle Specifications".
Connection to non-flexible tube
(copper or steel)
Connection to the gas source must be done in such a way as to not create any
stress points at any part of the gas cooktop.
The cooktop is fitted with an adjustable "L" shape connector and a gasket to
the gas supply.
The connector should be dismounted and the gasket must be replaced.
The feeding connector of the gas to the cooktop is threaded 1/2 inch gas
cylinder.
Connection to flexible steel tube
The gas feed connector to the cooktop is threaded, 1/2 inch connector for
round gas pipe. Only use pipes and sealing gaskets that conform to the
standards currently in force. The maximum length of the flexible pipes must
not exceed 78.74 inch. Once the connection has been made, ensure that the
flexible metal tube does not touch any moving parts and not be crushed.
Check the Seal
Once the cooktop was installed, make sure all the connections are properly
sealed, use soapy water to test, never use flame.
Electrical Connection
The cooktop fitted with a tripolar electrical supply cord which are designed to
be used alternating current . According to the indications on the rating plate
located under the cooktop. The earthing wire can be identified by its
yellow-green color.
In the case of installation over a built-in electric oven, the electrical
connections for the cooktop and oven should be independent, not only for safe
purpose, but also be convenient to remove them in the future.
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TABLE1: BURNERS AND NOZZLE
SPECIFICATIONS
Adapting the gas cooktop for different types of gas
Electrical Connection for Gas Cooktop
Fit the supply cord with a standard plug for the demand rate indicated on the
rating plate or connect it directly to the electrical mains. In the latter case, a
single pole switch must be placed between the cooktop and the mains, with a
minimum opening between the contacts of 0.12 inch in compliance with
current safety codes (the earthing wire must not be interrupted by the switch).
The power supply cord must be positioned so that it does not reach a
temperature in excess of 122 °F than room temperature at any point.
Before actual connection make sure that:
● The fuse and electrical system can withstand the load required by the
cooktop;
● The electrical supply system is equipped with an efficient earth hook-up
according to the norms and regulations prescribed by law;
● The plug or switch are easily accessible.
IMPORTANT
The wires in the main lead are coloured in accordance with the following code:
As the colors of the wires in the main lead may not correspond with the
coloured markings identifying the terminals in your plug, proceed as follows:
Connect the Green & Yellow wire to terminal marked "E" or coloured Green or
Green & Yellow.
Connect the Brown wire to the terminal marked "L" or coloured Red.
Connect the Blue wire to the terminal marked "N" or coloured Black.
Green
Black
white
- Earth
- Neutral
- Live
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2.9/75
3.9/100
4.5/115
5.1/130
5 IN.W.C.
2.0/53
2.6/68
3.1/78
3.6/93
10 IN.W.C.
Auxiliary (Small) (A)
Semi rapid (Medium)
Rapid (R)
Triple Ring (TR)
Supply pressures
Burner
Normal Burner
Capacities
（Btu/kWh）
2800/0.82
5000/1.46
6500/1.90
9500/2.78
Nozzle 1/100
(inch/mm)
Normal Burner
Capacities
（Btu/kWh）
2800/0.82
5000/1.46
6500/1.90
9500/2.78
Nozzle 1/100
(inch/mm)
NG LPG
Burners
Regular burners
Flame Converting the cooktop
from LPG to natural gas
Replace the burner
Nozzle according to the
guidelines in table 1
Loosen the adjustment
Spindle (see fig.7 below)
And adjust the flame
Converting the cooktop
from natural gas Gas to
LPG
Replace the burner
Nozzle according to the
guidelines in table 1
Loosen the adjustment
Spindle (see fig.7 below)
And adjust the flame
Full flame
Saving flame
Replacement of burner nozzle:
loosen the nozzle with a dedicated wrench(7).
Fit the new nozzle according to the required gas type
(see table 1 for reference).
After you have converted the gas cooktop to another
gas type, make sure you have placed a label containing
that information on the appliance.
TABLE2: HOW TO CONVERT GAS SOURCE
Adjustment of the reduced valve flow
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Valve adjustment
Valve adjustment should be done with the control knob set at Burner ON
saving flame position.
Remove the knob and the cover, and adjust the flame with a tiny screwdriver
(see fig.7 below).
Fig.7
Fig.8
Burner ON，large flame Burner ON，small flame
（saving mode）
Burner OFF
To check the adjusted flame: heat the burner at full open position for 10
minutes. Then turn the knob into the saving setting. The flame should not
extinguish nor move to the nozzle. If it extinguishes or moves to the nozzle,
readjust the valves.
Flame selection
As the burners are adjusted correctly, the flame should be light blue, and the
inner flame should be clear. The size of flame depends on the position of the
related control knob.
See fig.8 for various operating options (flame size selection); the burner
should be set at a large flame during the initial phase of cooking, it makes food
boil quickly. Then should turn knob to the saving flame position to maintain the
cooking. It is possible to adjust the flame size stepless.
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TABLE 3: ADAPTING TO DIFFERENT TYPES
OF GAS
Fig.9 LPG Fig.10 NG
It is prohibited to adjust the flame between the Burner OFF and Burner
ON large flame positions.
High quantity of energy can be conserved if the cooktop is used correctly,
parameters are designed correctly, and appropriate cookware is used. The
energy conservation be as follows：
● Up to 60% are conserved when proper pots are used.
● Up to 60% are conserved when the unit is operated correctly and the
suitable flame size is chosen.
It is a prerequisite for efficient and energy-saving operation of cooktop that the
burners are kept clean at all times (in particular the flame slots and nozzles).
Adapting to different types of gas
Pressure regulator adjustment
Please do remember that pressure regulator adjustment should be done by a
qualified technician.
Remove the cap of gas regulator, adjust the spring (as fig.9) to convert the gas
to be L.P.G; and convert gas type to be N.G by inverting the spring and install
it(as fig.10).
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NOTICE：
A. Prior to installation, ensure that the local distribution condition (nature of the
gas pressure) and the adjustment of the appliance are compatible.
B. The adjustment conditions for this appliance are stated on the rating label.
C. This gas cooktop is not connected to combustion products’ evacuation
device. It shall be installed and connected in accordance with current
installation regulations. Particular attention shall be given to the relevant
requirement regarding ventilation.
D. CAUTION: The use of a gas cooktop lead to the production of heat,
moisture and products of combustion in the room in which it is installed.
Ensure that the kitchen is well ventilated especially when the cooktop is in
working: keep natural ventilation holes open or install a mechanical
ventilation device.
Burner
Auxiliary
Semi-rapid
Rapid
Triple-ring wok
NG
LPG
NG
LPG
NG
LPG
NG
LPG
W.C.
5
10
5
10
5
10
5
10
1/100
(inch/mm)
2.9/75
2.0/53
3.9/100
2.6/68
4.5/115
3.1/79
5.1/130
3.6/93
g/h
—
66.5
—
119
—
156
—
224
l/h
76
—
134
—
183
—
260
—
Btu/kWh
2800/0.82
2800/0.82
5000/1.46
5000/1.46
6500/1.90
6500/1.90
9500/2.78
9500/2.78
Kcal/h
702
702
1268
1268
1694
1694
2374
2374
NG
Pressure Nozzle
diameter Nominal Charge
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