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Summary of Contents for CIAT GGS A050 Ch 45
- Page 1 NA11.45 A 06 - 2011 Installation Operation Commissioning Maintenance...
- Page 2 04 - 2011 ...
- Page 3 ...
- Page 4 Use a differential pressure switch or another system to control the air flow (compulsory). This component is provided by CIAT service if the power and electrical control box is supplied. Chamber cleaning access hatch Fan always upstream of the ...
- Page 5 DIMENSIONS Ø D Fig.1 Fig.2 Burner casing Fig.3 3 ...
- Page 6 TABLE OF DIMENSIONS CHAMBER BURNERS P Max Kw AIR FLOW 4 ...
- Page 7 dPa chamber dPa chamber air Chamber UNIT combustion circuit side weight kg 21.05 x (gas flow m Volume of gas combustion products Propane 59.04 x (gas flow m If the air-handling unit is equipped with a fan with a 2-speed or variable-speed motor, the control must ensure that the reduction in the air flow automatically causes a reduction in power.
- Page 8 Schematic diagram of the gas system Unit exterior Unit interior (when applicable) Expansion valve Manual safety valve (option) (not supplied by CIAT) Gas inlet To burner Buffer tank 1 m maximum (not supplied by CIAT) Operating pressure Natural gas: MPA = 30 to 400 mbar expansion 18 mbar MPB = 0.4 to 4 bar expansion 18 mbar/300 mbar...
- Page 9 The sum of the pressure drops (flue duct + combustion chamber) must not exceed that authorised by the burner (refer to the table in the "Dimensions" section). The combustion gas outlet must extend at least 1 metre above the top of the roof. It is also necessary to check that the combustion gas cannot be recycled in the premises (allow a sufficient distance between the flue outlet and the building air inlets).
- Page 10 Breaking capacity for each thermostat 15 A (2.5 A) at 250 V 10 A (2.5 A) at 400 V • Only qualified personnel may carry out work on the thermostat. • When replacing an old thermostat with a new model, remember to carry out the wiring modifications and run an operating test.
- Page 11 Capacity in litres per linear metre of pipe Bore (mm) 40 0 Steel 0.66 1.08 13.3 19.9 33.7 Copper 0.53 0.85 Polyethylene 0.53 0.83 2.07 13.4 NOTE: the buffer tank is required if the volume of the pipework is less than the buffer capacity calculated. GAS PIPEWORK DIAMETER SELECTION AID Correction factor depending on altitude and temperature Barometric pressure + gas pressure...
- Page 12 The tables give the theoretical internal diameters for straight pipes. Formed parts and accessories must be converted into straight lengths to check the influence on the selected diameter. Theoretical diameters for pressure = 18 mbar and dP = 1 mbar Pipe lengths in m 18 mbar Flow rate...
- Page 13 If control is included, refer to the corresponding manual. 4. SERVICING AND MAINTENANCE If you have not taken out a CIAT Servicing and Maintenance contract, these operations must be carried out by approved personnel. Before servicing: • Cut the gas supply •...
- Page 14 Components Action Frequency • Check the equipment's sealing • Check the gas supply pipework's sealing 1 year • Check that the burner, safety and regulation devices are operating correctly. • Chimney sweeping Exhaust ducts and smoke box 1 year • Cleaning •...
- Page 15 6. CERTIFICATION...
- Page 17 - www.ciat.com Compagnie Industrielle Non contractual document. d’Applications Thermiques With the thought of material improvement always in mind, CIAT reserves the S.A. au capital de 26 728 480 € right,without notice, to proceed with any technical modification. R.C.S. Bourg-en-Bresse B 545.620.114...
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