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Page 7 of 12 

Mezzo Hanging Patio Heater 

29/10/10 

OPERATING 

 

Lighting instructions 

 

WARNING:  Do not operate if any covers are removed.

 

 
1. 

Ensure that Gas Supply is connected and supply valve open. 

 
2. 

Ensure the Mains supply is connected and switched on. 

 
3. 

Turn  on,  the  on/off  switch,  the  micro-processor  starts  its  pre  purge  lighting 
sequence.  Spark  is  initiated  after  about  8  seconds  and  continue  to  spark  for  4 
seconds to ignite the gas. 

 

Turning off instructions 

 
1. 

Turn off the on/off switch, the valve will de-energised so stopping the gas supply. 
  

 

Abnormal performance. 

 

If at any time the Patio Heater exhibits any problem or abnormal noise it should 
be  immediately  turned  off.  The  MEZZO  Hanging  Patio  heater  should  be 
checked and tested by authorised service technician before being used. 

 
 
 

SERVICING 

CAUTION

:  Only 

authorised  service  technicians

  should  undertake  any  repairs  or 

Maintenance on this product. 
 
To access components there are covers that can be removed from the perforated stainless 
steel cylinder that surrounds the control. This is done by removing the screws on these 
covers. 
 
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 gas orifices 
- Clean main burner venturi as insects and dirt may gather there. 
- Brush any soot etc. that may have gathered on stainless steel mesh. 
  
 
 
 
 

Содержание MEZZO

Страница 1: ...Page 1 of 12 Mezzo Hanging Patio Heater 29 10 10 MEZZO Hanging Patio Heater August 2010 OPERATIONS MAINTENANCE WARRANTY INFORMATION www yunca co nz ...

Страница 2: ...d Electrician to applicable Local Body and or National standards WARNING The controller uses voltages of shock hazard potential WARNING 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 WARNING Do not store or use aerosols or other flammable mate...

Страница 3: ...on Control Gas Types LPG and NG Custom prepurge and interpurge timings Pressures 2 75Kpa LPG 1 0Kpa NG Multiple tries Main Jet Sizes 1 7mm LPG 2 8mm NG Easily Assembled Main Burner Worgas Stainless Steel Atmospheric System Diagnostic LED Input Power 18 30 VAC Flame sense test pins Gas Valve 2 0A 24VAC Stainless Heater assembly 0 7µA Maximum Powder coated Frame Flame Failure Response Time 0 8 sec ...

Страница 4: ... Refer to Table 1 The following parts are NOT supplied M8 Bolts x8 for attaching Mounting Plates to support M8 Washers x8 for attaching Mounting Plates to support M8 Nuts x8 for attaching Mounting Plates to support Gas Pipe and fittings Wire and fittings for the 240 volt supply 1mm Sq wiring and fittings from the Transformer to the connection box at the vertical channel 24 volt side Maximum length...

Страница 5: ...ing Box shall be positioned to allow future maintenance and access Care is required in removing the cut outs for the wire Install the electrical wiring for the 240V supply to transformer and 24Volt system from the 24 volt side of the transformer to where the Connect Box will be mounted positioning the control switch and or thermostat in required position 24 Volt system maximum length 50 metres 1sq...

Страница 6: ... while aligning the studs with the holes Place the second washer on followed by the wing nut and tighten firmly Check the Burner is vertical Position the four dome locks over the Dome and using the bolts firmly attach the Dome to the vertical channel Fig 4 Fig 4 TESTING WARNING Initial operation must be done by a qualified Gas fitter or service technician Gas supply pressure is tested from a test ...

Страница 7: ...lem or abnormal noise it should be immediately turned off The MEZZO Hanging Patio heater should be checked and tested by authorised service technician before being used SERVICING CAUTION Only authorised service technicians should undertake any repairs or Maintenance on this product To access components there are covers that can be removed from the perforated stainless steel cylinder that surrounds...

Страница 8: ... purge delay begins Following the pre purge period the gas valve is energised and sparks commence for the trial for ignition period When flame is detected during the trial for ignition sparks are shutoff immediately and the gas valve remains energised The thermostat and main burner flame are constantly monitored to assure the system continues to operate properly When the thermostat is satisfied an...

Страница 9: ...e LED will flash on for second then off for second during a fault condition The pause between fault codes is 3 seconds Proper Electrode Location Proper location of the electrode assembly is important for optimum system performance The electrode assembly be located so that the tips are inside the flame envelope and about inch 1cm above the base of the flame Fig 6 CAUTIONS 1 Ceramic insulators shoul...

Страница 10: ... Warranty The Yunca MEZZO Hanging 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 w...

Страница 11: ...ective Dome Horizontal Assy Vertical Channel x2 one with Cable Ties 6568PH Mounting Plate x2 Burner Assembly Insulating Box with Transformer and fuse Carrier M6 x 20mm Bolts x12 6mm Washers x12 M6 Nuts x12 0036C M6 X 26MM ALLOY FLAT WASHER DOME x6 0007D M6 S S WING NUT FOR DOME X3 Installation Instructions DATE SIGNED ...

Страница 12: ...ectrician Phone Yunca Gas PO Box 500 Dunedin 9054 Ph 03 488 4342 Email yuncagas southnet co nz Web Site www yunca co nz Cut along this line This section must be returned within 10 days of purchase YUNCA Mezzo Hanging Patio Heater WARRANTY REGISTRATION Serial No Gas type Purchase Date Purchaser s Name Purchaser s Address City Post Code Telephone Where Purchased Installed By Date Electrician Phone R...

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