Troubleshooting, Step | Raypak 992B specification

TROUBLESHOOTING

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Does the power switch

provide power to the

Check the switch

control panel?

NO

and/or line voltage

Replace ignition module

Is there a Call For

YES

Heat?

Unit is in standby mode.

Check all safety limit

NO

YES

devices and voltage from

Reattach.

the transformer to J10 on

Is Disable jumper intact? (J1)

CPW board.

NO

NO

Is there 120VAC at J8

NO

YES

Connector on the CPW board?

Does F2 on

ignition module

NO

have 120VAC?

Do the combustion air

YES

YES

blowers come on?

Is 24VAC at present at TH (J3 & J12 on CPW

YES

NO

YES

board and orange wire on ignition module)?

Check flow switch, all

Are the blower lights

NO

Is air pressure switch(s) and

connectors on CPW board

illuminated?

and controller.

J2 of CPW board (N.O.)

powered?

Check the fan relay. Is there

120VAC at K3 relay?

YES

YES

YES

NO

Is there continuity from the

NO

Is 24VAC at PS on

fan relay to fan(s)?

YES

ignition module? Is

Does air pressure switch(s)

Replace fan relay

connecting plug

have correct pressure?

secure?

(1

.4” W.C.)

Replace fan

YES

Does igniter prove?

Replace air

NO

pressure switch

NO

Correct the air settings or

YES

you may have to clean

Check Amp draw during

Is air switch

YES

heat-up for greater than

bouncing?

burners, heat exchanger

and/or air filter.

3.1 Amps.

Is the flame

NO

Replace HSI

NO

sensor signal to

YES

the ignition

module greater

Readjust to 3.5” W.C.

than 1 uA DC?

NO

Are the gas valve

NO

gas.

settings correct?

Is the unit running?

YES

YES

NO

Is the unit running?

Is static and dynamic inlet

manifold gas pressure correct?

Replace gas valve

YES

YES

NO

Is downdraft present?

		NO
Call our Technical Service Department
Call our Technical Service Department
1-800-947-2975 Outside California	The unit is okay		Clean or replace flame sensor
1-800-627-2975 Inside California	The unit is okay

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Raypak 992B manual Troubleshooting, Step

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.

Contents

Installation & Operating Instructions Page Contents Pay Attention to These Terms Installations at Elevation Before InstallationProduct Receipt Model Identification Component Locations Back Component Locations Model Quantity Vent Size Gas Burners Blowers General InformationValves Model Burners per Valve Stages Fire at Stage General Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Installation Codes InstallationEquipment Base Stacking Table D Vent/Air Inlet Termination Clearances Indoor Installations Outdoor InstallationsClearances Reversing Air Filter Combustion and Ventilation AirDirect Vent Indoor Units Conventional Combustion Air Supply InstallationsTruSeal Combustion Air All Air from Inside the Building Water Piping Canadian InstallationsGeneral Reversing Water Connections Cold Water Operation Relief Valve Piping Hydrostatic Test Temperature & Pressure Gauge Hydronic HeatingPump Selection Piping Pressure Drop in Feet of Head Feedwater RegulatorAir-Separation/Expansion Tank Three-Way Valves Pool Heating Potable Water and Space Heating Winterizing Your Heater Automatic Chlorinators and Chemical Feeders Pool/Spa Water Chemistry Water Hardness Gas SupplyPH of Water Total Dissolved Solids Reversing Gas Supply Connection Gas Supply ConnectionModel Table I Maximum Equivalent Pipe Length Check the Power Source Electrical Power ConnectionsGas Supply Pressure Field-Connected Controllers Making the Electrical Connections Field Wiring Connection On-Off Wiring Connections Flue Exhaust Tee VentingModel Diameter Order Number Appliance Categories Vent Terminal Location Support of Vent StackCombustion Exhaust Certified Combustion Air Installations Canadian InstallationsChanging the Flue Outlet Venting Configurations Venting Installation TipsInstallation Natural Draft Vertical Venting Category Common Venting System TerminationCertified Vertical Venting Combustion Air Air Inlet Model Height Horizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting Category Model Certified Maximum Combustion Air Inlet Direct Vent Horizontal Through- the-WallVenting Equivalent Direct Vent Vertical Direct Vent Vertical Outdoor Installation ControlsFreeze Protection Models 992B-1262B Heater Sequence of Operation External Lights Color Indication Models 1532B 1802B Page Page Models 2002B 2342B Page Page Flow Switch High Limit Manual ResetIgnition Module Operating Control Low Water Cut-Off Optional High and Low Gas Pressure Switches Pump 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 Venting Direct 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-UP Blower Adjustment Main Burner AdjustmentStart-Up Leak Test Procedure Dual-Seat Gas Valves Safety InspectionFollow-Up Pilot Turn-Down Test Leak Test Post Start-Up Check Operation Lighting InstructionsTo Turn Off Gas To Appliance Step Troubleshooting Maintenance Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Semi-Annually WeeklyAnnually As Required Inside Air Contamination Appendix Limited 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