Yunca Gas PIAZZA Installation guide

Page 1 of 9 PIAZZA PATIO HEATER 10/04/07
PIAZZA
All SEASONS PATIO HEATER
APRIL 2007
OPERATIONS, MAINTENANCE
& WARRANTY INFORMATION

Page 2 of 9 PIAZZA PATIO HEATER 10/04/07
CONTENTS
Introduction Pg. 2
Assembly of Heater Pg. 3
Installation Pg. 4
Operating Instructions Pg. 6
Servicing Pg. 7
Warranty Information Pg. 8
Injector Sizes Pg. 8
Warranty Registration Pg. 9
INTRODUCTION
Congratulations on purchasing your YUNCA PIAZZA ALL SEASONS PATIO
HEATER.
Please fill out the warranty registration card promptly.
This instruction booklet should stay with the appliance, and is for the reference of the
user and service person.
Only authorised service technicians should undertake any repairs or maintenance on
this product.
It is recommended that the Heater has an annual maintenance check
to ensure its long term correct operation.
Do not store or use aerosols or other flammable materials near this
appliance.
To assemble heater please refer to instructions.
The Yunca All Seasons Patio Heater is an unflued gas appliance so adequate
ventilation must always be provided to ensure safe efficient use. For installation
instructions see page four.

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ASSEMBLY OF HEATER
1/ BOLT LEGS TO LEG & COLUMN SUPPORT
2/ BOLT LEGS TO BASE
3/ SLIDE CYLINDER ON TO POLE
4/ POSITION COLUMN PIPE TO SOCKET
5/ ALIGN HOLES SO THAT THE BOLT CAN
PASS THROUGH
6/ SECURE POLE INTO POSITION USING LOCK
NUT
7/ FASTEN BOTTLE SUPPORT LEG USING
WINGNUT
8/
BOLT DOME ONTO TOP SECTION

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INSTALLATION
As the Yunca PIAZZA All Seasons Patio Heater is an unflued appliance, adequate
ventilation must always be provided.
The heater will function well outside, but should only be used when wind speeds are
below 8km/h when heater is turned down or 16km/h when heater is on full.
The heater will effectively heat a radius of around 3M so its position should be chosen
to allow efficient use of heat without impeding peoples’ movement.
The clearances shown below should be maintained at all times, extra care should be
taken when heater is used under tarpaulins or in marquees.
The Base of the heater is filled with sand before assembly. This improves stability of
the Patio Heater when the LPG bottle is low.
This heater should be installed in accordance with “Gas Installation Code
AG601", and/or any local authority rules.

Page 5 of 9 PIAZZA PATIO HEATER 10/04/07
Each Yunca PIAZZA All Seasons Patio Heater is factory set to the appropriate
operating pressure for the gas type that it is factory equipped. If gas pressure
requires adjustment, or a gas type conversion is required, the operating pressure
can be tested at the test nipple on the side of the BM 733 control. Operating
pressure is adjusted at either the LPG or NG in line regulator.
Gas Type, Pressures and jet sizes appear on data plate on the Patio Heater.
When running on Natural Gas the heater can be left mobile and connected to an
approved “bayonet” fitting, or permanently mounted and piped.
To get the maximum life from this product we suggest that it is stored in a
covered position.
If the heater is being installed permanently connected to the supply, a manual
isolating valve should be installed as close as is practical to the appliance.
The All Seasons Patio Heater uses the BM733 control valve, a functional view of
this is shown below.
Legend to functional diagram
1. Valve body, top section 6. Disk valve 11.
Pressure test nipple
2. Valve body, bottom section 7. Flame failure device 12. Main gas inlet
3. Control knob 8. Pilot gas filter 13. Main gas outlet
4. Min. Setting screw 9. Piezo hammer 14. Pilot gas outlet
5. Max. Setting screw 10. Piezo crystal 15. Thermocouple
Connection.

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OPERATING
Lighting instructions
1. Ensure that bottle is connected and supply valve open (LPG).
2. Press control knob in and turn to pilot setting.
3. Hold control knob in and allow at least one and a half minutes for air to
purge from gas line. Slightly tilting the heater will assist the air to purge.
4. While still pressing knob, turn to “star” setting.
5. If the pilot has not ignited, repeat the procedure.
6. The knob must be held in at the “star” setting for a further 20 seconds to
allow flame failure device to engage.
7. Release knob (slowly) and turn to the flame setting required.
Changing a bottle (LPG).
When the flame turns abnormally yellow and becomes smaller it is time to
change the gas bottle. To do this simply slide the round cylinder cover up the
main stem to expose the gas cylinder. Remove the leg held on with a wing nut.
Disconnect regulator from the bottle and exchange bottles.
Dome Removal.
The reflective dome is designed to be easily removed so the Patio Heater can be
wheeled through doorways etc. This should only be done after the heater has
been off for sufficient time to fully cool down.
Abnormal performance.
If at any time the Patio Heater exhibits any problem or abnormal noise it should
be immediately turned off. The Patio heater should be checked and tested by
authorised service technician before being used.

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SERVICING
Only authorised service technicians should undertake any repairs or Maintenance
on this product.
A detailed drawing of the gas components in this product is shown below. Part
numbers can be used to order replacement parts, if needed.
To access these components the perforated sheet metal cylinder that surrounds
the control must be removed. This is done by removing the screws top and
bottom and the channel section pilot pipe cover.
As with all gas appliances, regular servicing will improve the trouble free
operation of this appliance. This service should cover the following
- Leak test all joints
- Check operating pressures
- Clean main and pilot orifices
- Clean main burner venturi as insects and dirt may gather there.
- Inspect flexible gas hose
- Brush any soot etc. that may have gathered on stainless steel mesh.
Please fill out the warranty card (page 9) and return it to your retailing Yunca
agent.

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Warranty:
The Yunca PIAZZA All Seasons Patio Heater is covered by a limited two-Year Warranty against
defects in materials and workmanship.
All gas components including control, burner, pilot assembly, tubing, regulator and hose are
warranted for a period of one year from date of purchase.
Damage caused by neglect, improper use, acts of God, theft, or any other indirect, incidental
cause are not covered by this warranty.
This warranty is void if the recommended service schedule is not implemented as suggested in
this manual and carried out by a suitably qualified person.
Limitation of Liabilities
Yunca Heating hereby waivers any liability for incidental and consequential damage directly or
indirectly sustained, or for any loss caused by the application of this product not in accordance
with the current printed instructions.
Our liability is expressly limited to replacement of defective goods as per above warranty. Any
claim shall be deemed waived unless made in writing to us within 30 days from the date that it
was or reasonably should have been discovered.
Injector Sizes:
GAS TYPE MAIN JET PILOT JET
NATURAL 2.80mm diameter 0.35mm diameter
L.P.G. 1.60mm diameter 0.23mm diameter
PACKING PARTS PATIO HEATER
TICK
ALUMINIUM DOME
MAIN GAS BODY
BASE
BASE PLATE
BOTTLE LEG
LEGS x 3
16 X 8 BOLTS X 6
120 X 8 BOLT & WING NUT
8MM WASHERS X 10
8MM NUTS X 10
ALUMINIUM WASHERS X 6
STAINLESS NUTS X 3
STAINLESS WING NUTS X 3
REGULATOR
LEG & POLE PLATE
LEG SUPPORT BRACKETS X 3
NATURAL GAS KIT
DATE: SIGNED:_______________

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CUSTOMER COPY
YUNCA PIAZZA All Seasons Patio Heater WARRANTY REGISTRATION:
Serial No. Gas type: Purchase Date:
Purchasers’ Name:
Purchasers’ Address:
City: PostCode: Telephone:
Where Purchased:
Installed By (If permanent installation) Date
Yunca Gas
PO Box 500
Dunedin 9054
Ph [phone]
Email [e-mail]
Cut along this line:
This section must be returned within 10 days of purchase.
Serial No. Gas type: Purchase Date:
Purchasers’ Name:
Purchasers’ Address:
City: PostCode: Telephone:
Where Purchased:
Installed By (If permanent installation) Date
Return to: Yunca Heating
PO Box 932
Invercargill 9840