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Summary of Contents for Sime RX 19
- Page 1 Heating Equipment gas boilers RX GB installation and servicing instructions...
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Page 2: Table Of Contents
CONTENTS TECHNICAL FEATURES AND DIMENSIONS BOILER DESCRIPTION ..........page DIMENSIONAL DETAILS TECHNICAL FEATURES . -
Page 3: Technical Features And Dimensions
They are equipped with all safety and control devices flame ionization; − − “RX 19 - 26 PVA CE” with pump, expansion vessel and required by the law and their technical and operating specifications meet the requirements of the specifica- piezoelectric ignition;... -
Page 4: Technical Features
Pressure loss Maximum Input Output consumption of sections content water side *** water head litres mm W.G. RX 19 25.0 22.0 5 - 16* - 100** 34.8 30.5 5 - 16* - 100** RX 26 RX 37 44.8 39.1 5 - 16* RX 48 55.0... -
Page 5: Circulating Pump Performance Curves
L.P.G. Nat. gas L.P.G. Nat. gas L.P.G. L.P.G. G30/G31 G30/G31 Ø mm Ø mm mbar mbar mbar mbar kg/h kg/h RX 19 3.15 1.80 28/35 30/37 2.64 1.97 1.94 RX 26 3.65 2.10 28/35 30/37 3.68 2.74 2.69 RX 37 3.40... -
Page 6: Internal View
INTERNAL VIEW 1 Main swtch Gas pilot tube 2 Lock out lamp (“RX IONO”) 10 Drain cock (1/2”) 3 Smoke stat 11 Pilot burner 4 Hydrometer 12 Interrupted thermocouple 5 Thermometer 13 Piezoelectric ignition 6 Overheat stat (“RX IONO”) 14 Overheat stat 7 Air vent valve (“RX PVA”) 15 Gas valve 8 Circulating pump (“RX PVA”) -
Page 7: General Instructions For The Installation
− be properly insulated to avoid flue gases condensing ce to the boiler room because “RX 19-26” boilers, which do not exceed the 35 kW limit, can be installed in rooms or cooling, especially if it is placed outside a building that are sufficiently ventilated. -
Page 8: Heating System Water
(figs. 7-10). coupling on the back header or, on the “RX PVA” SIME refuses all responsibility for damage to people models, on the cross coupling connected to the expan- or things due to non-earthing of the boiler. -
Page 9: Overheat Protection
A reference mark made on the burner ensures the the smoke stat. proper application of the ignition electrode. “RX 19-26” models are equipped with overheat thermo- stat with automatic resetting, and “RX 37÷55” with manual resetting. Should the thermostat with manual resetting trip off, it will be necessary to unscrew the cover and reset the button below for the pilot burner to restart. - Page 10 It may however fail to light, in which case the boiler lock- The detection electrode cable is disconnected or the out lamp will be activated. The main causes maybe: electrode itself is earthed; the electrode is very worn- out and needs replacing. −...
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Page 11: Use And Maintenance
SIT 830 TANDEM GAS VALVE unlock it. − Check that there are no inflammable liquids or mate- Standard “RX 19-26 CE IONO” and “RX 19-26 PVA CE rials near the boiler. IONO” boilers with electronic ignition feature a SIT 830 TANDEM gas valve (fig. -
Page 12: Honeywell Vr 4605 C Gas Valve
“Soft” igniter regulator Outlet pressure tap Inlet pressure tap Main burner adjusting screw EV1 - EV2 coil Fig. 12 HONEYWELL VR 4605 C GAS VALVE manufacturer. During installation of the equipment, feed pressure might The electronically ignited “RX 37+55 CE IONO” boilers be different from standard values. -
Page 13: Conversion Into L
− take off the boiler top; For “RX 19÷55 CE IONO” and “RX 19-26 PVA CE − remove the smoke chamber cleaning plate by IONO” models remove the plug on pressure regulator (4 fig.12) and tighten the adjusting screw. -
Page 14: Fault Finding
3.10 FAULT FINDING LIKELY CAUSES AND SOLUTIONS FAULTS − Make sure the gas inflow is regular and that any air in The pilot burner does not ignite. the pipes has been eliminated. − Make sure the hole of the pilot nozzle is not blocked. −... - Page 15 − Make sure the main burner flame is well regulated and The boiler gets dirty easily causing scaling of cast iron exchanger and cutting off of smoke stat. the gas consumption is proportional to the boiler out- put. − The boiler is installed in a poorly ventilated room. −...
- Page 16 Heating Equipment Fonderie Sime S.p.A. - via Garbo, 27 - 37045 Legnago (VR) Italy - Tel. (+39 - 442) 631111 - Fax (+39 - 442) 631293...
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