Raypak 302BD-902BD warranty Hi Delta→ FlexGas→ - Type H, Dual-FuelHot Water Boilers, Engineer

Job:		Hi Delta→ FlexGas→ - 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, 1∅ Power 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