background image

3

Height 2

Height

Height 1

Total width

Total depth

Depth

15

3

4

"/400mm

32

1

2

"/830mm

50

1

2

"/1284mm

52

1

2

"/1335mm

4

1

2

"/

110mm

19"/481 mm

FGC

BWS
GC2

GC1

BWR

PRV

PC

BD

Boiler Model

Model No.

RS-8

RS-11

RS-14

CSA input

full load *1

MBH

550

800

1050

kW

161

234

308

partial load *2

MBH

372

541

710

kW

109

158

208

CSA output

full load *1

MBH

468

680

893

kW

137

199

261

partial load *2

MBH

316

460

604

kW

93

135

177

Combustion efficiency

%

85.0

85.0

85.0

Heat exchanger

ft

2

99.47

140.63

181.79

surface area

m

2

9.2

13.1

16.9

Cast-iron sections

8

11

14

Burners

7

10

13

Manifold pressure
Natural gas

full load

"w.c.

3.5

3.5

3.5

partial load *3

"w.c.

1.3

1.3

1.3

Propane gas

full load

"w.c.

10

10

10

partial load *3

"w.c.

Man. gas supply pressure *4

"w.c.

14

14

14

Dimensions
Depth

inches

34

3

4

34

3

4

34

3

4

mm

883

883

883

Width

inches

36

1

4

49

1

2

69

1

4

mm

921

1255

1582

Height

inches

53

3

4

53

3

4

53

3

4

mm

1366

1366

1366

Boiler Model

Model No.

RS-8

RS-11

RS-14

Overall dimensions
Total depth

inches

47

47

47

mm

1195

1195

1195

Total width

inches

36

1

4

49

1

2

62

1

4

mm

921

1255

1582

Total height
Height 1 (control unit in

inches

60

1

4

60

1

4

60

1

4

position for operation)

mm

1531

1531

1531

Height 2 (control unit in

inches

73

1

2

73

1

2

73

1

2

position for servicing)

mm

1867

1867

1867

Weight, boiler with insulation,

lbs

1280

1709

2138

burners and packaging

kg

582

777

972

Boiler water content

USG

20

28

35

ltr

77

106

134

Max. operating pressure

psig

60

60

60

kPa

414

414

414

Boiler connections
Boiler supply and return

Ø"

2

2

2

(male thread)

Boiler drain

Ø"

3

4

3

4

3

4

Gas supply connection

Ø

1

1

1

4

1

1

4

(male thread)

Vent pipe collar

inches

10

12

14

250

300

350

*1 Combustion results are based on a heating system supply temperature of 167

o

F / 75

o

C, return 140

o

F / 60

o

C

*2 For two-stage boilers only
*3 Parial load manifold pressure is factory preset. Any attempt to readjust in the field will render boiler warranty null and void.
*4 If the gas supply pressure is higher than the maximum permissible value, a separate field supplied gas regulator must be

installed upstream of the boiler gas train.

For for information regarding other Viessmann System Technology componentry, please reference documentation of the
respective product.

Legend
BD

Boiler Drain

BWR Boiler Water Return

BWS Boiler Water Supply
FGC Flue Gas Collar

GC1 Main Gas Connection
GC2 Pilot Gas Connection

PC

Pilot Cover Plate

PRV Pressure Relief Valve Connection

Technical Data

Summary of Contents for Vitogas 050 Rs Series

Page 1: ... Fired Boilers ANSI ASME CSD 1 These instructions must be placed in an envelope and affixed to the boiler Contents Page Technical Data 3 Boiler Features 4 Installation 4 Gas Connections 7 Water Connections 8 Vent Connections 10 Accessories 10 Start up and Operating Instructions 11 Maintenance 13 Troubleshooting 17 Piping Layouts 18 Wiring Diagrams 22 Installation Checklist 24 Replacement Parts Lis...

Page 2: ...e gases leaking into living space which could cause carbon monoxide poisoning Warning Before each heating season begins have the following service and maintenance done by a professional service technician 1 Boiler heat exchanger inspected and cleaned 2 Vent system inspected for deterioration leaks corrosion proper draft and proper operation Check vent system for compliance with local and national ...

Page 3: ...1 4 601 4 601 4 position for operation mm 1531 1531 1531 Height 2 control unit in inches 731 2 731 2 731 2 position for servicing mm 1867 1867 1867 Weight boiler with insulation lbs 1280 1709 2138 burners and packaging kg 582 777 972 Boiler water content USG 20 28 35 ltr 77 106 134 Max operating pressure psig 60 60 60 kPa 414 414 414 Boiler connections Boiler supply and return Ø 2 2 2 male thread ...

Page 4: ...sure is designed in such a way that the enclosure can be installed after all water piping pipe insulation draft hood and venting has been completed Install sheet metal enclosure last to minimize the chance of damage to the enclosure Final gas piping is done after installing sheet metal enclosure Before boiler is connected to a piping heating system which has been in service boiler is a replacement...

Page 5: ...le floor weight when positioning boiler Never lift boiler using the draw rods Place the boiler so that the following clearances to combustible materials are maintained Top 18 457 mm Back 6 152 mm Side 1 6 152 mm Side 2 6 152 mm Floor Non combustible Additionally the following service clearances should be observed Front 48 1220 mm Side 24 610 mm with supply return gas connections and pilot Note tha...

Page 6: ...ly If above criteria are not properly observed and boiler damage results any warranty on the complete boiler and related components will be null and void 2 4 1 Assembly see Figs 6 7 11 23 26 These instructions cover the assembly of the standard boiler with right hand water and left hand gas connections Prior to installing the jacket assembly ensure that the boiler well s plug and flanges are tight...

Page 7: ...onnection see Figs 23 25 c Connect the gas supply pipe upstream of the tee fitting using the union provided Install a drip leg and shut off valve in the gas supply pipe outside the boiler d Connect low voltage wiring as shown in wiring diagram Ensure that ground connection between pilot burner and ignition module is made e Install upper front cover panel on four push pins Insert the temperature se...

Page 8: ...that there is no leak at the test tap D 15 De energize the safety shut off valves B and C 16 Open the downstream manual gas valve E 17 Restore the system to normal operation 4 0 Water connections see Figs 11 15 23 24 25 The 2 NPT supply and return water connections must be on the same side of the boiler right side is standard Use isolation valves for service purposes The length of 2 pipe should be...

Page 9: ...antifreeze A pressure reducing valve or fill valve is required to reduce the incoming water pressure The total of the fill pressure pump head and any small pressure rise from thermal expansion of the water must be less than the boiler pressure relief valve setting An expansion tank must be connected to the system close to the suction side of the circulating pump to prevent pressure increase result...

Page 10: ...ockage or restriction leakage corrosion or any other deficiency which could cause an unsafe condition Negative pressure Test c Insofar as is practical close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn on any exhaust fans such as range hoods and bathroom exha...

Page 11: ...0 w c with a supply pressure of 7 0 w c for natural gas Adjust pilot pressure if necessary to between 5 0 and 6 0 w c and between 8 and 10 w c for LP The ionization signal has to be greater than 1 µA D C typical 3 5 µA D C Re attach pressure port and leak test After checking pilot pressure check manifold pressure with manometer to ensure it is 3 5 w c Do no operate the burner at pressures higher t...

Page 12: ...fully for additional requirements Cooling season starts Close valve V1 and open valve V2 Heating season starts Close valve V2 and open valve V1 A metal tag should be attached to these valves as to purpose Note In the above system the circulating pump must be operated from a separate on off switch not from the pump aquastat on the boiler 7 5 Main burner Proper flame Upper main flame cone with light...

Page 13: ... button until an audible click is heard Note If the operating limit is set at the maximum setting 194 F 90 C the pump must run after burner shut down to prevent a boiler temperature rise tripping the manual reset high limit This can be avoided by setting the pump aquastat 18 F 10 C below the operating limit setting 8 0 Maintenance WARNING Always switch off and disconnect electricity supply and clo...

Page 14: ...ipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 5 Remove control access panel 6 Turn all manual gas shut off valves to closed position 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 8 Turn all manu...

Page 15: ...ugh rear panel f Remove lower side rear panel by using the two finger holes and pulling away from the upper side rear panel and lifting away from casing frame g Remove the heat exchanger lower clean out door by removing the four brass retaining nuts and lifting away h Remove clean out door gasket to expose flueways Remove flue gas baffles one per flueway i Repeat e h for opposite side Clean flue g...

Page 16: ...t must be replaced Mechanical parts that have been under water must be inspected for suitability by a boiler technician prior to reuse 8 6 Burner damage Do not allow drywall dust to accumulate in burners Assemble boiler after all drywall work has been completed 8 7 Freezing damage Boiler and system must be protected from damage caused by expansion of freezing water Protect boiler and system from f...

Page 17: ...able alternative must be installed to prevent condensation and keep boiler return water a minimum of 120 F 49 C Technical sales representative can be contacted to help resolve doubts and technical questions regarding boiler installation TROUBLE CAUSE REMEDY Pilot burner will No call for heat Check that contacts on thermostat not light or operating control are closed Boiler temperature Allow boiler...

Page 18: ...ntrol Vitotronic control 2 2 Low water cut off probe or float type Return water distribution pipe on this side Pilot burner mounting side Mount relief valve air vent and pressure gauge to tapping on right hand side Gas pipe Power supply 120V 60 Hz 2 2 Low water cut off probe or float type Return water distribution pipe on this side Pilot burner mounting side Mount relief valve air vent and pressur...

Page 19: ...10 mm L shape lay out RS 50 R S RS 50 R S RS 50 S R RS 50 S R 12 4 3760mm 11 9 3580mm 4 1220mm 3 103 4 1190mm 2 610 mm Back to back lay out Front to front lay out 4 8 1590mm 19 7 5970mm 4 1220mm 7 9 2370mm 7 9 2370mm RS 50 R S RS 50 R S RS 50 S R RS 50 R S RS 50 R S RS 50 S R RS 50 R S RS 50 S R Multiple boiler installation layouts ...

Page 20: ...t Two Vitogas RS 50 right hand side standard configuration Note Minimum distance between boilers is 2 0 when pilot is between boilers 2 0 610mm 5 2 1 2 1588mm 12 5 3785mm 19 7 1 2 5982mm L W C O L W C O L W C O Pilot Pilot Pilot 20 ...

Page 21: ...standard right hand side configuration Two left hand side configuration Left hand side configurations have to be specified at time of ordering Note For layout D pressure relief valve air vent and pressure gauge have to be mounted on supply piping 23 10 7264mm 10 11 3527mm L W C O Pilot Pilot Pilot Pilot Pilot Pilot Pilot Pilot L W C O L W C O L W C O L W C O L W C O L W C O L W C O ...

Page 22: ...sec lockout ITT S311 pilot gas valve Gas flow Ionization electrode Ignition electrode Landis Gyr QSZ1 pilot pilot burner Class II Transformer 40 VA Main Honeywell automatic gas valve and regulator V8943B valve has PV MV and PV terminal designations Redundant Honeywell gas valve V8943A valve has PV MV and PV terminal designations If vent damper not installed connect two boiler 7 pole 41 plugs toget...

Page 23: ...t aquastats 5 pole Motor 53plug 53plug Honeywell S8600B ignition control 15 Sec lockout 4 p o le 9 0 p lu g Ionization electrode Ignition electrode Landis Cyr QSZ1 Pilot pilot burner If vent damper not installed connect two boiler 7 pole 41 plugs together Caution Labelallwirespriortodisconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operati...

Page 24: ...ner will cause dangerous flame roll out from the main burners The worst flame roll out will occur with propane gas Flame roll out can cause property damage or severe personal injury 11 0 Checklist for proper installation Before and after installation use the following checklist to ensure proper installation Improper installation could create a hazard resulting in damage severe personal injury or l...

Page 25: ...25 Fig 26 Vitogas 050 RS Commercial atmospheric gas fired cast iron boiler ...

Page 26: ... Baffle RS 11 25c 13 Baffle RS 14 26 16 Nut M12 stamped 2H 27 28 4 Stud M12x60 stamped B7 29a 1 Water distributor RS 8 29b 1 Water distributor RS 11 RS 14 30 2 Flange 2 NPT 31 1 Plug 3 4 32a 11 Fastener for self tapping screw RS 8 32b 12 Fastener for self tapping screw RS 11 32c 14 Fastener for self tapping screw RS 14 33a 32 Self tapping screw Hex H 12x1 2 ZnCr RS 8 RS 11 33b 34 Self tapping scre...

Page 27: ...r inner panel RS 8 62b 1 Casing upper inner panel RS 11 62c 1 Casing upper inner panel RS 14 63a 1 Casing rear panel RS 8 63b 1 Casing rear panel RS 11 63c 1 Casing rear panel RS 14 64 65 2 Casing side panel front part with opening Ø 120 66a 1 Casing front lower panel RS 8 66b 1 Casing front lower panel RS 11 66c 1 Casing front lower panel RS 14 67a 1 Casing front central panel RS 8 67b 1 Casing f...

Page 28: ...S8600B MV MV PV PV GND BRN 24V GND 24V S P A R K 4 x 4 4 x 4 Please refer to the corresponding Vitotronic control manual shipped with the boiler 2 stage module 41 plug 90 H J J 1 D Fig 27 I Vitogas 050 RS controls and accessories Vitotronic Boiler Control ...

Page 29: ... Pilot pressure regulator MAX RV101 835 1 1 1 Q Solenoid pilot valve S311AF01NGHF 1 8 NPT 24V 1 1 1 R Ignition module S8600B 1025 15 sec lockout 1 1 1 S Wiring harness for flame rod and ground 1 1 1 T Ignition cable 36 1 1 1 U Manual gas valve 1 NPT 2 V Manual gas valve 11 4 NPT 2 2 W Brass ball valve 1 4 for pilot line 1 1 1 Complete gas train RS 8 1 nat gas 24V 1 Complete gas train RS 11 11 4 na...

Page 30: ...rooves Make sure that the complete groove system on each section block is completely filled with the sealing compound Failure to fully seal each section block will result in flue gas leaks 3 Carefully clean the smooth machined surfaces of the nipple ports assuring they are clear of all grease metal cuttings and other debris If necessary use the extra fine emery cloth to carefully remove surface ru...

Page 31: ...k during drawing the distance X Z Attention Do not force tightening after you have reached contact of any two different points of the sealing surfaces See Fig 30 5 Insert the boiler tie rods again and tighten them with moderate force only Remove assembly tools and re install all flanges See Figs 27 27a 6 Check and seal all gaps between sections using the sealing compound provided The boiler block ...

Page 32: ...Maintenance record Year Service Clean heat Check for proper Check vent system for Burner and gas controls Contractor exchanger supply of combustion leaks corrosion proper draft inspected for proper operation air adherence to codes blockage combustion test performed 1 2 3 4 5 6 7 8 9 10 ...

Reviews: