Raypak 992B manual Contents

Page 3

CONTENTS

WARNINGS

4

Venting Installation Tips

28

BEFORE INSTALLATION

5

Venting Configurations

28

Product Receipt

5

Outdoor Installation

33

Model Identification

5

Controls

33

Ratings and Certifications

5

Heater Sequence of Operation

34

Installations at Elevation

5

87%-Efficiency Boilers –

 

Component Locations

6

Special Instructions

45

General Information

7

Wiring Diagrams

50

GENERAL SAFETY

8

START-UP

52

Time/Temperature Relationships in

 

Pre Start-up

52

Scalds

8

Start-Up

53

INSTALLATION

9

OPERATION

56

Installation Codes

9

Lighting Instructions

56

Equipment Base

9

To Turn Off Gas To Appliance

56

Stacking

9

TROUBLESHOOTING

57

Clearances

11

MAINTENANCE

58

Combustion and Ventilation Air

12

Suggested Minimum

 

Conventional Combustion Air Supply

13

Maintenance Schedule

58

Water Piping

14

Preventative Maintenance Schedule

58

Hydronic Heating

16

APPENDIX

60

Gas Supply

20

Inside Air Contamination

60

Electrical Power Connections

22

WARRANTIES

61

Field Wiring Connection

23

Type H and WH

61

Venting

25

Type P

62

Changing the Flue Outlet

27

 

 

3

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Contents Installation & Operating Instructions Page Contents Pay Attention to These Terms Model Identification Before InstallationInstallations at Elevation Product ReceiptComponent Locations Back Component LocationsModel Burners per Valve Stages Fire at Stage General InformationModel Quantity Vent Size Gas Burners Blowers ValvesGeneral Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Stacking InstallationInstallation Codes Equipment BaseTable D Vent/Air Inlet Termination Clearances Indoor Installations Outdoor InstallationsClearances Indoor Units Combustion and Ventilation AirReversing Air Filter Direct VentAll Air from Inside the Building InstallationsConventional Combustion Air Supply TruSeal Combustion AirReversing Water Connections Canadian InstallationsWater Piping GeneralCold Water Operation Relief Valve Piping Hydrostatic TestTemperature & Pressure Gauge Hydronic HeatingPump Selection Three-Way Valves Pressure Drop in Feet of Head Feedwater RegulatorPiping Air-Separation/Expansion TankPool Heating Potable Water and Space HeatingWinterizing Your Heater Automatic Chlorinators and Chemical FeedersTotal Dissolved Solids Gas SupplyPool/Spa Water Chemistry Water Hardness PH of WaterTable I Maximum Equivalent Pipe Length Gas Supply ConnectionReversing Gas Supply Connection ModelField-Connected Controllers Electrical Power ConnectionsCheck the Power Source Gas Supply PressureMaking the Electrical Connections Field Wiring ConnectionOn-Off Wiring Connections Appliance Categories VentingFlue Exhaust Tee Model Diameter Order NumberCertified Combustion Air Support of Vent StackVent Terminal Location Combustion ExhaustInstallations Canadian InstallationsChanging the Flue Outlet Natural Draft Vertical Venting Category Venting Installation TipsVenting Configurations InstallationHeight TerminationCommon Venting System Certified Vertical Venting Combustion Air Air Inlet ModelHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryEquivalent Direct Vent Horizontal Through- the-WallModel Certified Maximum Combustion Air Inlet VentingDirect Vent Vertical Direct Vent VerticalOutdoor Installation ControlsFreeze Protection Models 992B-1262B Heater Sequence of OperationExternal Lights Color Indication Models 1532B 1802B Page Page Models 2002B 2342B Page Page Operating Control High Limit Manual ResetFlow Switch Ignition ModuleLow Water Cut-Off Optional High and Low Gas Pressure SwitchesPump Time Delay UDB Diagnostic BoardUDB Fault History 87%-Efficiency Boilers Special Instructions Water PipingVenting Appliance Categories Vertical Venting Category Vent Terminal LocationCondensate Management Combustion 40’ 75’ 2072BE Air 2342BE Certified Maximum Combustion Air Air Inlet Model VentingDirect Vent Horizontal Through- the-Wall 992BE 75’ 100’ 1262BE Galvanized Steel 1532BE Category 25’ Wiring Diagram-Models 992B-1262B Wiring Diagram-Models 1532B-2342B Pre Start-up START-UPBlower Adjustment Main Burner AdjustmentStart-Up Pilot Turn-Down Test Safety InspectionLeak Test Procedure Dual-Seat Gas Valves Follow-UpLeak Test Post Start-Up CheckOperation Lighting InstructionsTo Turn Off Gas To Appliance Step TroubleshootingMaintenance Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule As Required WeeklySemi-Annually AnnuallyInside Air Contamination AppendixLimited Parts Warranty HI Delta Types H and WH Limited Parts Warranty HI Delta Type P START-UP Checklist for FAN-ASSISTED Raypak Products Page Page Page

992B specifications

The Raypak 992B is a highly regarded commercial boiler known for its efficiency and reliability in heating applications. Designed for a range of installations, it is particularly favored in schools, hotels, and various commercial settings where dependable heating is crucial. One of the standout features of the Raypak 992B is its impressive thermal efficiency rating, often exceeding 90%. This efficiency translates into lower energy costs and reduced environmental impact, making it a smart choice for eco-conscious businesses.

The Raypak 992B comes equipped with advanced technologies that enhance performance and ease of use. Among these technologies is the high-precision digital control system, which allows for accurate temperature regulation and monitoring. This feature ensures optimal performance and minimizes energy waste, further contributing to the unit's cost-effectiveness. The boiler also utilizes a modulating burner system, enabling it to adjust flame size based on real-time heating demands. This adaptability not only enhances efficiency but also improves overall comfort within a facility.

Another significant characteristic of the Raypak 992B is its robust construction. Built with durable materials designed to withstand demanding operating conditions, this boiler is engineered for long-lasting performance. Its compact design is an added benefit, facilitating installation in areas with limited space. The unit is also equipped with a stainless steel heat exchanger, which provides superior resistance to corrosion and enhances heat transfer efficiency.

Safety features are also paramount in the design of the Raypak 992B. The boiler includes multiple safety controls and alarms to prevent overheating and maintain safe operating conditions. This diligence in safety ensures peace of mind for operators and reduces the risk of unexpected downtime.

In summary, the Raypak 992B stands out as a top choice for commercial heating solutions, combining high efficiency, advanced technology, and rugged construction. Its features cater to a wide range of heating needs while prioritizing safety and economy. With its impressive performance capabilities, the Raypak 992B continues to be a reliable partner for facilities seeking optimal heating solutions.