Raypak 902B, 302B manual ABS Cpvc

Page 44

Direct Vent - Vertical

Note: When vertical height exceeds 25 ft, consult

factory prior to installation.

*Requires optional vent tee for rear discharge.

Fig. 41: Direct Vent - Vertical

 

Certified

 

Vertical Venting

Combustion Air

Air Inlet

Model

Venting

Vent Size

Height*

Intake Pipe

Max. Length**

 

Material

 

Min.

Max.

Material

6”

8”

 

 

 

 

 

 

 

 

 

 

 

 

302B

 

5”

 

 

 

100’

N/A

 

 

 

 

 

 

402B

 

6”

 

 

Galvanized Steel,

 

 

 

 

 

 

 

 

 

 

 

502B

 

 

 

75’

 

Category II

 

5’

25’

PVC,

 

652B

or IV

 

ABS,

 

 

 

 

 

 

 

 

 

 

 

CPVC

 

100’

 

 

8”

 

 

40’

752B

 

 

 

 

 

 

 

 

902B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Vent lengths are based on a lateral length of 2 ft. Refer to the latest edition of the NFGC for further details. When vertical height exceeds 25 ft, consult factory prior to installation.

** Subtract 10 ft per elbow. Max. 3 elbows.

Maximum combustion air duct length terminated at 100 equivalent ft.

Table V: Category II or IV Vertical Venting

44

Page 43 Page 45
Image 44
Page 43 Page 45
Contents Installation & Operating Instructions Deletions None Contents Pay Attention to These Terms Before Installation Installations at ElevationProduct Receipt Model IdentificationComponent Locations Component Locations BackGeneral Information Water Time to Produce Serious Temp Burn General SafetyTime/Temperature Relationships in Scalds Installation Installation CodesEquipment Base StackingClearances Indoor InstallationsOutdoor Installations Ft 91 cm within a Combustion and Ventilation Air Indoor UnitsReversing Air Filter Direct VentInstallations Conventional Combustion Air SupplyTruSeal Combustion Air All Air from Inside the BuildingCanadian Installations Water PipingGeneral Reversing Water ConnectionsRelief Valve Piping Hydrostatic Test Cold Water OperationTemperature & Pressure Gauge Hydronic HeatingPump Selection Cold Water StartsPressure Drop in Feet of Head Feedwater Regulator PipingAir-Separation/Expansion Tank Three-Way ValvesPotable Water and Space Heating Pool HeatingAutomatic Chlorinators and Chemical Feeders Winterizing Your HeaterPool/Spa Water Chemistry Water HardnessPH of Water Total Dissolved SolidsGas Supply Gas Supply ConnectionModel Table K Maximum Equivalent Pipe LengthField-Connected Controllers Electrical Power ConnectionsGas Supply Pressure Making the Electrical Connections Field Wiring ConnectionCheck the Power Source Stage Tankstat Venting Flue Exhaust TeeModel Diameter Order Number Appliance CategoriesSupport of Vent Stack Vent Terminal LocationChanging the Flue Outlet InstallationsCanadian Installations Venting Installation Tips Venting ConfigurationsInstallation Natural Draft Vertical Venting CategoryTermination Common Venting SystemCertified Vertical Venting Combustion Air Air Inlet HeightHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryDirect Vent Horizontal Through- the-Wall Model Certified Maximum Combustion Air InletVenting EquivalentDirect Vent Vertical Direct Vent VerticalFreeze Protection Outdoor InstallationControls Heater Sequence of Operation Models 302B-902BExternal Lights Color Indication Ignition Module Code ConditionHigh Limit Manual Reset Flow SwitchHigh and Low Gas Pressure Switches Low Water Cut-Off OptionalPump Time Delay UDB Diagnostic BoardUDB Fault History Table R UDB Fault Messages 87%-Efficiency Boilers Special Instructions Water PipingVenting Appliance Categories Model 10F 20F 30F Min. Flow Max Flow GpmCondensate Management Vertical Venting CategoryVent Terminal Location Certified Maximum Combustion Air Air Inlet Model Venting 752BE Combustion Air 902BE 30’ 80’Direct Vent Horizontal Through- the-Wall ABS Cpvc Wiring Diagram START-UP Pre Start-upStart-Up Blower AdjustmentMain Burner Adjustment Safety Inspection Leak Test Procedure Dual-Seat Gas ValvesFollow-Up Pilot Turn-Down TestPost Start-Up Check Leak TestTo Turn Off Gas To Appliance OperationLighting Instructions Troubleshooting StepPreventive Maintenance Schedule MaintenanceSuggested Minimum Maintenance Schedule Weekly Semi-AnnuallyAnnually As RequiredAppendix Inside Air ContaminationLimited 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
Related manuals
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.
Top Page Image Contents