Stone Hearth Pizza Dome Oven INSTALLATION AND OPERATION MANUAL GAS-FIRED OVEN

Stone Hearth Pizza Dome Oven INSTALLATION AND OPERATION MANUAL GAS-FIRED OVEN
Stone Hearth Pizza Dome Oven
INSTALLATION AND OPERATION MANUAL
GAS-FIRED OVEN
CAUTION
This oven MUST be seasoned
before initial use
The seasoning procedure takes 6 days, running
the oven for at least 8 hours per day.
1. For the first 3 days, the oven should be set at
a low temperature (flame of 1 1/2-2 inches)
2. For the last 3 days, the oven should be run at a
higher temperature (full flame)
This must be done to dry out internal components,
thus preventing damage to the oven.
Note: You may see water dripping from the
oven during this process. This is normal.
Failure to follow this procedure will
VOID YOUR WARRANTY
INSTALLATION: There must be a panel large enough for
service personnel to access the bottom of the oven when
service or maintenance is required.
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Gas oven installation and operating instructions
Please read this entire manual before installing the oven. Failure to follow
these instructions may result in property damage, bodily injury or even death.
Contact your local building or fire officials about restrictions and installation
inspections in your area.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapour or liquids in
the vicinity of this or any other appliance.
Also, always keep the area under and around this appliance free
and clear of any and all combustible materials.
Do not obstruct the flow of combustion and ventilation air.
DO NOT THROW THIS MANUAL AWAY
KEEP THIS MANUAL FOR FUTURE REFERENCE.
ADDITIONAL COPIES AVAILABLE UPON REQUEST.
IMPORTANT: Consult your local gas supplier for a statement outlining a procedure
to be followed should you detect the smell of gas. Post the statement in a prominent
location.
WARNING: Improper installation, adjustment, alteration, service or
maintenance can result in property damage, injury or death. Read the
installation, operation and maintenance instructions thoroughly before installing
or servicing this equipment.
It is recommended that this oven be installed, maintained and serviced by authorised
professionals.
Additional copies of this manual and prompt responses to service / maintenance
questions are available from Univex.
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General instructions:
Installation clearances
A fire may start if this oven is not properly installed.
To reduce the risk of fire, follow these installation instructions. A major cause of
oven-related fire is failure to keep the required clearances (air spaces) from
combustible materials. It is of the utmost importance that this oven be installed only
in accordance with these instructions.
Please read this entire manual before you install the oven. Failure to follow these
instructions may result in property damage, bodily injury or even death. Contact your
local building or fire officials about restrictions and installation inspection in your
area.
CLEARANCES
I ) The Univex DOME oven must have a minimum 1" clearance from
combustibles from all sides and 16" from combustibles from the top.
If a façade that will be in contact with the oven is being built, use completely noncombustible materials (when non-combustible building materials are in contact with
the body of the oven, the clearances from combustibles are transferred to those from
non combustibles). Please note that standard dry-wall (or sheet rock) is considered a
combustible.
II ) Any façade above and/or 6 inches to either side of the oven doorway must be
constructed of non combustible building materials
III ) Install this oven only on non combustible floors. The non combustible floor
surface should extend 40 inches out in front of the oven and extend 32 inches to
either side of the oven doorway.
Leave a clearance of at least 200cm2 under the oven
Leave a clearance for servicing and proper operation in case you are covering the iron
stand
WARNING: installation and servicing of this product could expose
you to glass wool/ceramic fibres as well as calcium silicate dust.
ALWAYS WEAR RESPIRATORY AND EYE PROTECTION
WHEN INSTALLING OR SERVICING THIS APPLIANCE
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General instructions:
Gas specifications
GAS
Univex gas ovens are equipped with a 3/4" NPT gas connection located at the
front left or front right (depending on the model) of the oven. Have a licensed gas
installer make the connection and test all fittings and pipe connections for leaks.
Use approved gas leak detectors (Soap solutions or equivalent) over and around the
fittings and pipe connections. DO NOT USE A FLAME TO TEST FOR LEAKS.
Eurosit is the gas control valve that operates the interior radiant burner. Eurosit is
located under the oven to the front left or on the front right depending on the model.
Only qualified personnel must start the appliance.
The nominal thermal capacity must be verified by an authorised technician, according
to the information given in this operation manual. This check is necessary when
changing oven or adapting to a different type of gas and also each time the appliance
is serviced. Both the nominal thermal capacity and connection pressures are given in
the technical data table. Never tamper with the sealed components.
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Factory specified individual burner manifold pressures equipped to burn Natural or LP gases
and Hourly Natural gas or LP gases BTU input rates for Univex DOME models
Burner
Nominal rate
Manifold pressure LP gas
Manifold pressure Natural gas
Ø main burner injectors LP gas
Ø main burner injectors Propane
gas
Ø main burner injectors Natural
gas
Pilot burner injectors LP gas and
Propane
Pilot burner injectors Natural gas
Air adjustment Natural gas
Air adjustment LP gas and
Propane
DOME55
DOME47
BTU/hr
inches w.c.
inches w.c.
mm /
Number
stamped on
injector
mm /
Number
stamped on
injector
mm /
Number
stamped on
injector
Number
stamped on
injector
Number
stamped on
injector
mm
97500
10.0
4.0
2.90
92500
10.0
4.0
2.80
3.10
3.00
5.40
5.10
25
25
40
40
8
8
mm
41 (Full Open)
41 (Full Open)
GAS CONVERSIONS
Gas conversions from Natural Gas to LP gas; or from LP gas to Natural gas must be
performed by a qualified installer.
To convert gas pressure regulator
1. Turn manual shutoff valve to the “closed” position.
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2. Remove the access cap by using a wrench, turning the access cap anticlockwise.
3. Remove spring retainer from the cap by pushing against the flat side of the
spring retainer. Look at the spring retainer to locate the “NAT” or “LP”
position.
4. To convert from Natural gas to LP gas, turn over the spring retainer so the
“LP” is showing on the bottom.
To convert from LP gas to Natural gas, turn over the spring retainer so the
“NAT” is showing on the bottom.
5. Snap the spring retainer back into the cap.
6. Reinstall the cap onto the regulator.
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To convert the main gas burner
7. With a screwdriver, unscrew the screw which fixes the telescopic bushing, and
completely insert the bushing into the Venturi burner.
8. With a wrench, remove the gas injector by turning it anticlockwise. Set gas
orifice spud aside.
9. Gas orifice spuds are stamped with a number on the side. See the table on page
5.
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10.Place removed orifice spuds in plastic parts bag for future use and keep with
literature package.
11.Install the correct injector. See the table on page 5.
12.Position the air bushing, according to the air adjustment displayed below, and
fix the bushing by screwing the screw. See also the table on page 5.
Natural gas “A” = 8mm
LP gas “A” = 41mm (Fully Open)
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To convert the pilot gas burner
13. Remove the access cap by using a wrench, turning the access cap
anticlockwise.
14. With a slot screwdriver, remove the gas injector by turning it anticlockwise.
Set gas orifice spud aside.
15. Install the correct injector. See the table on page 5.
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Certicate Number: 248684-2492187 Project Number: 2492187 Page Number: 23
General instructions:
Gas specifications
Univex recommends that the appliance’s individual shutoff valve (supplied by
others) be left readily accessible. Univex also recommends that inspection and
maintenance of the burner and gas piping connections of this appliance be performed
at regularly scheduled intervals and only by professional gas appliance service
agencies.
Gas Code Limitations
The installation of this appliance must conform with local codes, or in the absence of local codes,
with the National Fuel Gas Code, ANSI Z223.1, The Natural Gas installation Code CAN/CGAB149.1 or the Propane Installation Code, CAN/CGA-B149.2, as applicable including: The
appliance and its individual shutoff valve (supplied by others) must be disconnected from the gas
supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psi
(3.45 kPa). The appliance must be isolated from the gas supply piping system by closing its
individual manual shutoff valve (supplied by others) during any pressure testing of the gas supply
piping system at test pressure, equal to or less than 1/2 psi (3.45 kPa).
The appliance must be installed under a ventilation hood only.
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General instructions:
Gas specifications
Lighting and shut down instructions
Turning the pizza oven on
1. Make sure main gas supply is on (valve parallel with gas line).
2. Remove the oven door.
3. Starting from the OFF position, push and turn the knob onto pilot position .
Push the knob (piezoelectric power switch) and light the pilot flame by pressing the knob
for several seconds.
Release the knob and check the pilot flame is lit. If the flame is not lit, repeat the process.
4. Turn the knob to the number position corresponding to the desired cooking level.
Stand by Position
1. To close the main burner and keep the pilot burner lit, turn the knob onto the pilot
position
.
Turning the pizza oven off
1. Turn the knob to the “OFF” position.
Wait a 5 minute complete shut off period before relighting the appliance.
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Certificate Number: 248684-2492187 Project Number: 2492187 Page Number: 23
CLEANING THE OVEN
1. As needed, use a floor brush to sweep stray food debris to the doorway,
where it can be easily removed with a dough cutter or spatula.
As needed, wipe the deck using a damp (not wet) cloth wrapped around the floor brush.
NEVER PLACE ANYTHING IN OR ABOVE THE RADIANT FLAME
Note: small "crazing" cracks will occur with normal heating and cooling.
They will not affect the performance or durability of the oven. If cracks
of 1/8" or more develop, contact your reseller for evaluation.
Never operate the oven with the night door in place.
First ignition procedure
Gas-fired oven
Adjust the control roller of the burner to number 3 or 4 position, constantly for 2-3 days
under surveillance.
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