Raypak 302B, 902B manual Table R UDB Fault Messages

Page 39

 

 

 

Detection

 

 

 

Hi Delta

Delay

 

LCD Display Readout With Fault

 

 

 

 

 

Cond Drain Blocked/Vent Temp Limit Err

PVC Vent Limit-CHX

1

 

Check Drain Switch, Check Drain/Check Vent System

 

 

 

 

 

Man Hi Limit Fault

Manual High Limit

1

 

Confirm Settings, Reset Hi Limit

 

 

 

 

 

Auto Hi Limit Fault

Auto High Limit

1

 

Confirm Settings, Check Pump

 

 

 

 

 

Lo Water Cutoff Err

 

 

 

 

 

Purge Air, Check Pump, Chk Isolation Valve,

Low Water Cut-off

1

 

Reset LWCO

 

 

 

 

 

Vent Pressure Fault

Vent Pressure

1

 

Blocked Vent, Check Vent System

 

 

 

 

 

Lo Gas Press Fault

Low Gas Pressure

1

 

Confirm Settings, Check Supply Gas, Reset LGPS

 

 

 

 

 

Hi Gas Press Fault

High Gas Pressure

1

 

Confirm Settings, Check Supply Gas,

 

 

 

 

 

Controller Alarm

Controller Alarm

1

 

See Control Display

 

 

 

 

 

Water Flow Sw Fault

 

Flow Switch

3

 

Check Boiler Pump, Purge Air, Replace Flow Switch

 

 

 

 

 

Blower Air Sw. Fault

Blower Switch

3

 

Check Air Filter, Check Blower, Check Air Sw. Hose

 

 

 

 

 

Factory Option Fault

 

 

 

 

 

Check Factory Data, Check Wiring Diagram, Check

 

 

 

 

 

Freeze Control, Check Water Pressure

Factory Option

3

 

 

 

 

 

 

 

Field Interlock Err

 

 

 

 

 

Check Louvers, Check Comb. Damper, Check

External Interlock

90

 

Extractor Sw.

 

 

 

 

 

 

 

CWS/CWR Fault

 

CWS/CWR

3

 

Confirm Inlet Temp, Reset CWS/CWR Cntrl

 

 

 

 

 

Ignition Lockout

 

 

 

 

 

Display actual Fault Flash Code

 

 

 

 

 

Recycle/Reset Control, Push Reset Button

Ignition Lockout

1

 

See Table Below

 

 

 

 

 

 

Field

 

 

 

 

 

Interlock #

Fault

 

 

 

Flashes

 

 

 

LCD Display Readout With Fault

1

 

Low Air

 

 

Low Air Fault

 

 

 

 

Check Blower, Check Filter, Check Air Sw. Hose

2

 

Flame - No CFH

 

 

Flame - No CFH

 

 

 

 

 

Shut Off Gas Supply, Recycle Power

3

 

Ignition Lockout

 

 

Ignition Lockout

 

 

 

 

 

Recycle/Reset Cntrl, Push Reset Button

4

 

Low HSI Current

 

 

Low HSI Current

 

 

 

Check HSI Current, Replace HSI, Recycle Power, Replace Ign.

5

 

Low 24VAC

 

 

Low 24 VAC

 

 

 

 

 

Check Power Supply, Check Transformer

6

 

Internal Cntrl Fault

 

 

Internal Cntrl Fault

 

 

 

 

 

Recycle/Reset Cntrl, Replace Control

 

 

 

 

 

 

 

Condition

 

 

LCD Display Without Fault

Power On / No CFH

 

 

System Normal

 

 

Standby / WebSite*

Power On / CFH

 

 

System Normal

 

 

CFH Active / WebSite*

 

 

 

*Toggles Between /

Table R: UDB Fault Messages

39

Page 38 Page 40
Image 39
Page 38 Page 40
Contents Installation & Operating Instructions Deletions None Contents Pay Attention to These Terms Model Identification Before InstallationInstallations at Elevation Product ReceiptComponent Locations Back Component LocationsGeneral Information General Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Stacking InstallationInstallation Codes Equipment BaseIndoor Installations Outdoor InstallationsClearances Ft 91 cm within a Direct Vent Combustion and Ventilation AirIndoor Units Reversing Air FilterAll Air from Inside the Building InstallationsConventional Combustion Air Supply TruSeal Combustion AirReversing Water Connections Canadian InstallationsWater Piping GeneralCold Water Operation Relief Valve Piping Hydrostatic TestCold Water Starts Temperature & Pressure GaugeHydronic Heating Pump SelectionThree-Way Valves Pressure Drop in Feet of Head Feedwater RegulatorPiping Air-Separation/Expansion TankPool Heating Potable Water and Space HeatingWater Hardness Automatic Chlorinators and Chemical FeedersWinterizing Your Heater Pool/Spa Water ChemistryTotal Dissolved Solids PH of WaterTable K Maximum Equivalent Pipe Length Gas SupplyGas Supply Connection ModelElectrical Power Connections Gas Supply PressureField-Connected Controllers Field Wiring Connection Check the Power SourceMaking the Electrical Connections Stage Tankstat Appliance Categories VentingFlue Exhaust Tee Model Diameter Order NumberVent Terminal Location Support of Vent StackInstallations Canadian InstallationsChanging the Flue Outlet Natural Draft Vertical Venting Category Venting Installation TipsVenting Configurations InstallationHeight TerminationCommon Venting System Certified Vertical Venting Combustion Air Air InletHorizontal 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 302B-902B Heater Sequence of OperationExternal Lights Color Indication Code Condition Ignition ModuleLow Water Cut-Off Optional High Limit Manual ResetFlow Switch High and Low Gas Pressure SwitchesUDB Diagnostic Board UDB Fault HistoryPump Time Delay Table R UDB Fault Messages Model 10F 20F 30F Min. Flow Max Flow Gpm 87%-Efficiency Boilers Special InstructionsWater Piping Venting Appliance CategoriesVertical Venting Category Vent Terminal LocationCondensate Management 752BE Combustion Air 902BE 30’ 80’ Certified Maximum Combustion Air Air Inlet Model VentingDirect Vent Horizontal Through- the-Wall ABS Cpvc Wiring Diagram 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 Important Instructions for the Commonwealth of Massachusetts
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Manual 2 pages 32.1 Kb

302B, 902B specifications

Raypak is a prominent name in the heating industry, particularly known for its advanced technology and robust design in residential and commercial heating solutions. Two of their notable models, the Raypak 302B and 402B, exemplify innovation and efficiency in hydronic heating systems, designed to meet diverse needs while ensuring optimal performance.

The Raypak 302B and 402B are high-efficiency boilers that utilize gas-fueled systems. The 302B model has a heating capacity of 302,000 BTU/h, while the 402B boasts a maximum capacity of 402,000 BTU/h. This range of heating output makes these models suitable for a variety of applications, from residential heating needs to larger commercial spaces that require a reliable heat source.

One of the standout features of the Raypak 302B and 402B is their use of fire-tube heat exchanger technology. This design promotes efficient heat transfer and allows for lower emissions, thus minimizing the environmental impact. The fire-tube design also contributes to a longer lifespan and reduced maintenance costs, making these boilers a cost-effective solution over time.

Equipped with advanced control systems, the Raypak 302B and 402B ensure precise temperature regulation and improved energy usage. The digital display provides real-time feedback and diagnostics, enhancing user experience and simplifying troubleshooting. These models are also compatible with various building management systems, providing users with versatility in integration to optimize building performance.

In addition to their technological advancements, these boilers are designed with user safety and convenience in mind. They include features such as built-in safety controls, easy access for service and maintenance, and a compact footprint to fit into tight spaces. Their robust construction ensures durability, which is crucial for systems that operate under high demand.

Moreover, both models have been engineered to succeed in various climates, making them reliable choices for users in diverse geographical locations. With their energy-efficient operation, reliable performance, and advanced features, the Raypak 302B and 402B embody quality and innovation in the heating market, ensuring comfortable environments while lowering energy costs and environmental footprints.
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