Job:

 

 

 

 

 

Hi DeltaFlexGas- Type H

Engineer:

 

 

 

 

 

 

Dual-Fuel Hot Water Boilers

 

 

 

 

 

Contractor:

 

 

 

 

 

 

Models 302BD-902BD

 

 

 

 

Preparer:

 

 

Date:

 

 

 

 

 

 

 

Model:

 

Indoor/Outdoor:

 

 

MBTUH Input:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fast, Economical Natural-to-Propane Gas Switchover 100% Factory Fire Tested

84% Efficiency

Maximum Outlet Temperature: 230°F

Minimum Non-Condensing Inlet Temperature: 105°F Thermal Shock Proof Heat Exchanger

Limited Twenty-Year Thermal Shock Warranty Diagnostic Center with Fault History PolyTuf Powder Coated Cabinet

No Combustible Floor Shield Required Fan-Assisted Low NOx Burners Patented Burner Security Blanket

Patent Nos. 6,904,873 & 7,044,124; other patents pending

Heat Exchanger

ƒH Stamp

ƒHeaders

Glass-Lined Cast Iron – Standard

Bronze – Option A-1

ƒASME Inspected and Stamped 160 PSIG Working Pressure

ƒNational Board Approved

ƒFin Tubing

Copper – Standard

Cupro Nickel – Option A-3

ƒASME Steel Tube Sheet

ƒSilicone High Temp. O-Rings

ƒASME Pressure Relief Valve

45 PSIG – Standard on Models 302BD and 402BD

60 PSIG – Standard on Models 502BD-902BD

PSIG – Optional

ƒTemperature and Pressure Gauge

ƒWater Connections

Left – Standard

Right – Option A-6

Controls

ƒ120V, 60Hz, 1Power Supply

ƒ120/24V 60Hz Transformer

ƒ100% Shut-Off/Lockout

ƒHot Surface Ignition

ƒRemote Flame Sensor

ƒHigh Limit Control, Manual Reset

ƒOn/Off Power Switch

ƒManual Shut-Off, Front-Mounted

ƒFlow Switch

ƒBlocked Vent Pressure Switch

ƒCombustion Air Proving Switch

ƒEconomaster Pump Time Delay

ƒEnable/Disable

Gas Train

ƒManual Gas Shut-Off Valve(s)

ƒGas Pressure Regulator

ƒSafety Shut-Off Valve

ƒFiring Control Valve

ƒFiring Mode

On/Off (H8): Models 302BD, 402BD

2-Stage (H9): Models 302BD-902BD

ƒNatural/Propane Gas

ƒDesign Certified ANSI Z21.13/ CSA 4.9

ƒGas Connection

Left – Standard

Right – Option Z-1

ƒConstruction

ƒIndoor/Outdoor Construction

ƒEnclosed Front Controls

Venting

ƒVent Location

Top – Standard

Rear – Option D-14

ƒVent Termination Cap

Outdoor D-11

Indoor, Horizontal D-15

Indoor, Vertical (by others)

ƒCombustion Air

In-Line Filter Kit (TruSeal only) D-17

Air Intake Elbow D-16

ƒExtractor – Optional

By others

Not required

Burner

ƒUltra-Low NOx: Less than 30 PPM

Temperature Controls

 

 

 

 

B-2

Tankstat, Single-Stage

 

 

 

(100-200°F)

 

 

 

 

B-3

Tankstat, 2-Stage (100-200°F)

B-6

Aquastat, 2-Stage (100-200°F)

B-

TempTracker Digital Controller,

 

 

 

2-Stage

 

 

 

 

B-

TempTracker Digital Controller,

 

 

 

4-Stage

 

 

 

 

Y-241

Electronic Sequencer, 4-Stage

Y-281

Electronic Sequencer, 8-Stage

Options

 

 

 

 

 

 

 

C-6

Ignition Module, Manual Reset

D-21

TruSeal® Direct Vent

F-10

Low Water Cut-Off, Remote Probe

I-1

High Limit Control, Auto Reset

P-

 

 

Pump:

 

 

HP, 120V, 1, 60Hz

 

 

 

Water Hardness:

 

 

GPG

 

 

 

Cast Iron

 

 

Bronze

 

 

 

Mounted

 

 

Loose

 

 

 

Front

 

 

Rear

P-26

Cold Water Start (See 2000.48)

S-1

Low Gas Pressure Switch, Manual

S-2

High Gas Pressure Switch, Manual

X-1

SureRack™ Kit

 

 

X-2

SureRack Add-on

 

 

Regulatory Agency Requirements

Catalog No.: 2000.303A

Effective: 11-15-07

Replaces: 8-15-07

Page 1
Image 1
Raypak 302BD-902BD warranty Heat Exchanger, Gas Train, Venting, Burner, Temperature Controls, Options