Viessmann Vitogas 050 Rs Series Manuel de service

These instructions cover the installation, operation andservicing of the Viessmann Vitogas 50, RS series of cast-ironsectional atmospheric gas-fired h

5.0 Boiler ventingIn Canada follow CSA–B149.1 or .2, in USA followNational Fuel Gas Code ANSI Z223.1. Always uselatest edition of national codes.Vitog

The standard pressure relief valve is a Watts 1˝ Model174A set at 50 psi with a relief capacity of 1,400,000Btu/h. Maximum allowable working pressure

piping system at test pressures equal to or less than 14˝w.c. (3.5 kPa).Unions and manifold have been factory-tested. Leaktest must be repeated during

Underfired: Lazy-burning main flame cone, mushy flameappearance throughout, smaller flame sizethan in Fig. 17.Overfired: Increased pilot burner noise,

Lighting instructions – intermittent pilot ignition system:14A. This appliance is equipped with an ignition devicewhich automatically lights the pilot

8.3 Heat exchanger cleaning (see Fig. 20)While the main burner tubes are removed from theappliance, the flueway should be cleaned.a) Remove the main f

a) To remove the pilot assembly, release the groundwire at the ground screw on the pilot burner, detachthe lead at the ionization probe and pull the l

9.0 Troubleshooting – spark ignition systemCaution:Condensation can occur in the heat exchanger if boiler isoperated for long periods of time with ret

10.0 Piping layoutsFig. 23Fig. ARS boiler with right hand water piping – left hand gas pipingPowersupply120V60 Hz2˝ 2˝GaspipeVitotronic controlReturn

19Fig. 24Lay-outs Vitogas RS-50 gas boilers – top view dimensions in imperial and metric12´ 4˝(3760mm)2´(610mm)2´(610mm)12´ 4˝(3760mm)2´(610mm)L-shape

Warning: If the information in this manual is notfollowed exactly, a fire or explosion may resultcausing property damage, personal injury, orloss of l

L.W.C.O.ABL.W.C.O.PilotPilotTwo Vitogas RS-50right hand sidestandard configurationNote: Minimum distance betweenboilers is 2´ 0˝ when pilot isbetween

21Fig. 25Lay-outs of Vitogas RS-50 gas boilers – front elevation. Boilers shown with front access panel removed(Dimensions in imperial and metric)CD26

120 VAC24 VACPVPV/MVMVBlkOrgSPESAKRESNWHTGND24VBRNGND24VPVPVMV MV YelBlkYelBlkGrnOrgMVMVBlkBlkPVPV/N L1T1B4S3T2Vitogas 050, RS single stage with Vi

23Vitogas 050, RS 2-stage with Vitotronic control (Natural Gas)

CautionThis boiler is not for use in systems where water is constantlyor frequently replenished. Minerals such as calcium in make-up water can deposit

25Fig. 26Vitogas 050, RS Commercial atmospheric gas-fired cast-iron boiler

26Atola-RS Parts ListPos. Qty Description and Model Boiler1 1 Left hand end section2 2 Intermediate section with drilling 3⁄4˝ NPSC3 4 Intermediate se

27Pos. Qty Description and Model Boiler43a 7 Nozzle Ø 4,30 – M14x1 RS-8-NG43b 10 Nozzle Ø 4,30 – M14x1 RS-11-NG43c 13 Nozzle Ø 4,30 – M14x1 RS-14-NG44

ATPQWRKSU & VM & OL & NU & VBC#41 plugHoneywellS8600BMVMVPVPVGNDBRN24VGND24VSPARK4˝ x 4˝4˝ x 4˝ Please refer to thecorresponding Vitot

29Vitogas 050, RS Control and Accessories Parts ListRef. No. Description of part RS-8 RS-11 RS-14A Pressure relief valve 1˝ 50 psi 1 1 1B Automatic ai

3Height 2HeightHeight 1Total widthTotal depthDepth153⁄4"/400mm321⁄2"/830mm501⁄2"/1284mm521⁄2"/1335mm41⁄2"/110mm19"/481 m

12.0 Assembly of split cast-iron block using Viessmanndraw tool12.1 Section block assembly (see Figs. 10, 27, 28, 29, 30)Depending on the boiler size,

12.3 Section block assembly1) Provide a level concrete base for the boiler of notless than 4˝ in thickness. The base must be ofsufficient size to allo

*Any defects, blockages, etc. in vent system must be corrected to ensure safe operation.Maintenance recordYear Service Clean heat Check for proper Che

1.0 Shipping of boilerThe boiler is shipped in two pieces. An assembled cast-iron heat exchanger is shipped on a wooden pallet. Thesecond piece is a c

switching from right to left, rotate the tube 90°clockwise to align the holes with the waterpassages in the casting (see Fig. 3). Remount theflanges a

Provisions for combustion and ventilation air must bemade in accordance with section 5.3, Air forCombustion and Ventilation, of the National Fuel GasC

Refer to Fig. 26 for jacket assembly.a) Assemble four frame rails (items 52, 53, 54) aroundcasting base, with overhang toward front. Fastenwith four M

3.0 Gas valve leakage testMaximum inlet pressure for all gases 14˝ w.c.This is a test for checking the tightness of closure of thegas safety shut-off

4.2 Pump selection and pump aquastatFig. 12 shows the head loss through the boiler atvarious flow rates for the Vitogas 50 boilers. The minimum return