U.S. Boiler Company B series 2 Especificações

103698-02 - 10/12Price - $5.00INSTALLATION, OPERATING ANDSERVICE INSTRUCTIONS FORSeries 2®Gas - Fired Boiler,reliobnonoitamrofnignikeesnehW.rotcartnoc

10IV. BOILER WATER PIPING (continued)Figure 5: Recommended Water Piping for Zone Valve Zoned Heating Systems

11IV. BOILER WATER PIPING (continued)Figure 6: Recommended Water Piping for Circulator Zoned Heating Systems

12IV. BOILER WATER PIPING (continued) There are many possible causes of oxygen contamination such as:a. Addition of excessive make-up water as a re

134. Piping and ttings required to install LWCO are eld supplied.5. When constructing a piping tree to install LWCO select ttings (tees, elbows e

14Figure 10: Blocked Vent SwitchInstallation DiagramA. INSTALL DRAFT HOOD without modication on outlet of ue collector (See Figure 1). Secure wi

15Figure 11: Plug-in Damper Installation 1. The vent damper must be the same size as the outlet of the Draft Hood supplied with the boiler (see Figur

16Figure 12: Typical Vent Installation 6. Vent pipe to chimney must not be smaller than outlet on draft hood or damper. Although single wall vent pip

17 Au moment du retrait d’une chaudière existante, les mesures suivantes doivent être prises pour chaque appareil toujours raccordé au système d’evac

18A. INSTALL A ROOM THERMOSTAT on an inside wall about four feet above oor. Never install thermostat on an outside wall or where it will be inu

19Figure 13: Connection Wiring Diagram, Intelligent Hydronic ControlVI. ELECTRICAL (continued)

2NOTE: The equipment shall be installed in accordance with those installation regulations in force in the area where the installation is to be made.

20Figure 14: Ladder Wiring Diagram, Intelligent Hydronic ControlVI. ELECTRICAL (continued)

21Figure 15: Wiring Schematic, Zone ValvesFigure 16: Wiring Schematic, Zone CirculatorsVI. ELECTRICAL (continued)

22VII. START-UP AND CHECKOUTA. MAIN BURNER CHECK - Check main burners to see that they were not dislodged during shipment. Rear of burners should

23Figure 19: Operating Instructions, VR8204 and VR8304 Gas ValvesVII. START-UP AND CHECKOUT (continued)

24C. CHECK GAS INPUT RATE TO BOILERNOTICE USA boilers built for installation at altitudes greater than 2,000 feet above sea level have been spe

25VII. START-UP AND CHECKOUT (continued)E. CHECK PILOT BURNER FLAME.See Figure 22. The pilot produces three (3) ames. The center ame should b

26VIII. OPERATIONA. BOILER SEQUENCE OF OPERATIONNORMAL OPERATION1. The Series 2 Boilers are equipped with an Intelligent Hydronic Control (control)

27VIII. OPERATION (continued)The control display, along with Up ñ, Down ò, and “I” keys may be used to view boiler operating status (Figure 24). D.

28VIII. OPERATION (continued)E. CHANGING THE ADJUSTABLE PARAMETERS To adjust parameters such as High Limit Setpoint and High Limit Differential:1.

29VIII. OPERATION (continued)7. Domestic Hot Water (DHW) Terminal Function (dh_) The control allows conguration of the DHW Circulator output functi

3WARNINGThis boiler requires regular maintenance and service to operate safely. Follow the instructions contained in this manual.Improper installatio

30IX. SERVICE AND MAINTENANCEA. Inspection should be conducted annually. Service as frequently as specied in paragraphs below. While service or mai

31i. Brush top of burners with a soft bristle brush, see Figure 26. Vacuum burners. Check orices to see that drilled passageways are free of lint

32Important Product Safety InformationRefractory Ceramic Fiber ProductWarning:The Repair Parts list designates parts that contain refractory ceramic f

33X. TROUBLESHOOTINGA. BEFORE TROUBLESHOOTING The following pages contain trouble shooting tables for use in diagnosing control problems. When us

34X. TROUBLESHOOTING (continued)Display Status Recommended Corrective ActionBlank Boiler or Control is not poweredNo 120 Vac Power at boiler, check b

35C. USE STA (STATUS) NUMBER TO GUIDE TROUBLESHOOTING The control will ash “STA” followed by a number. Use this number to identify the boiler pro

36X. TROUBLESHOOTING (continued)6. Circulator is On, Damper is Open But Boiler Fails to Start Display / Status DescriptionSTA 10Retry / RecycleDela

37Display / StatusRecommended Corrective ActionStA 10Retry / Recycle DelayStA 13Soft Lockout1. No Spark a. Can you hear sparking while STA 6 is

38XI. REPAIR PARTSSection Assembly and Canopy Group ...38Base Assembly ...

39Key No.Description Part No.Quantity202 202X 203 204 205 206 207 208 209 2101. Section Assembly1 Section Assembly, Complete103918-02 1 --- --- --- -

4TABLE OF CONTENTSI. Product Description, Specications and Dimensional Data... 4II. Pre-Installation & Boiler Mounting ...

40XI. REPAIR PARTS (continued)Base AssemblyKey No.DescriptionBoiler SizePart No. Qty.3. Base Assembly3Base Assembly(Complete)Available for 1 Inch B

41XI. REPAIR PARTS (continued)Key No.DescriptionBoiler SizePart No. Qty.3. Base Assembly Continued3CBase Front PanelAssembly202 618600241 1202X 618

42Manifold and Main Burners(1 Inch Main Burners)XI. REPAIR PARTS (continued)

43XI. REPAIR PARTS (continued)Key No.Description Part No.Quantity202 202X 203 204 205 206 207 208 209 2104. Manifold and Main Burners (1 Inch Main B

44Manifold and Main Burners(40mm Main Burners) XI. REPAIR PARTS (continued)Key No.Description Part No. Quantity203 202X 204 205 206 207 208 209 2104.

45XI. REPAIR PARTS (continued)Key No.Description Part No.Quantity202X 203 204 205 206 207 208 209 2104. 40 MM Main Burners Only (Continued)4C. 40

46XI. REPAIR PARTS (continued)Key No.Description Part No.Quantity202 202X 203 204 205 206 207 208 209 2105. Pilot Burner and Gas Valve, Natural Gas5

47XI. REPAIR PARTS (continued)Key No.Description Part No.Quantity202 202X 203 204 205 206 207 208 209 2106. Jacket Assembly, Complete6 Jacket Assemb

48XI. REPAIR PARTS (continued)Jacket Assembly

49XI. REPAIR PARTS (continued)Key No.Description Part No.Quantity202 202X 203 204 205 206 207 208 209 2106. Jacket Assembly (Continued)6B Jacket Ves

5I. PRODUCT DESCRIPTION, SPECIFICATIONS AND DIMENSIONAL DATA (CONTINUED)Figure 1: Line DrawingBoiler Model NumberDimensions [Inches] Gas Connection

50Water TrimXI. REPAIR PARTS (continued)

51Key No.Description Part No. Quantity7Safety Relief Valve, 30 psi, 3/4 NPT, Conbraco 10-408-05 81660319 1Safety Relief Valve, 50 psi, 3/4 NPT, Conbra

52Key No.Description Part No. Quantity12. Transformer/J-Box/Controls12A Junction Box, 4" x 4" x 1-1/2" 8136259 112B Junction Box Cove

53XI. REPAIR PARTS (continued)Draft HoodKey No.Description Part No.Quantity202 202X 203 204 205 206 207 208 209 21016. Draft Hood Carton16 Draft Hoo

54Figure NumberPage Number DescriptionSection I - Product Description, Specications & Dimensional DataFigure 1 5 Lin

55TableNumberPage Number DescriptionSection III - Gas PipingTable 1 8 Maximum Capacity of Schedule 40 Pipe in CFH for Nat

56U.S. Boiler Company, Inc.P.O. Box 3020Lancaster, PA 176041-888-432-8887www.usboiler.net

6II. PRE-INSTALLATION AND BOILER MOUNTINGWARNINGIf you do not follow these instructions exactly, a re or explosion may result causing propert

7a. CLOSET INSTALLATIONS (conned space) in a building of other than unusually tight construction (see denition below), provide combustion and vent

8III. GAS PIPINGA. CONNECT GAS SERVICE from Meter to gas control assembly in accordance with Local Piping Codes and requirements of Gas Company. T

9A. BOILER WATER PIPINGCAUTIONFailure to properly pipe boiler may result in improper operation and damage to boiler or building.1. CLEARANCES - Hot