Raypak 302B-902B warranty Heat Exchanger, Gas Train Burner, Temperature Controls, Options

Job:		Hi Delta→ - Type H
Engineer:		Space Heating/Hot Water Boilers
Contractor:
			Models 302B-902B
Prepared By:	Date:
Model:	Indoor/Outdoor:		MBTUH Input:

Š100% Factory Fire Tested

ŠEfficiency: 84%

ŠMaximum Outlet Temperature: 230°F

ŠMinimum Non-Condensing Inlet Temperature: 105°F

ŠThermal Shock Proof Heat Exchanger

Š Limited Twenty-Year Thermal Shock Warranty

ŠLimited Ten-Year Closed-System Heat Exchanger

Warranty

ŠDiagnostic Center with Fault History

Š PolyTuf Powder Coated Cabinet

ŠNo Combustible Floor Shield Required

ŠFan-Assisted

ŠPatented Burner Security Blanket

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 302B and 402B

60 PSIG – Standard on Models

502B-902B

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		Burner
ƒ	Manual Gas Shut-Off Valve(s)	ƒ Ultra-Low NOx: Less than 30 PPM
ƒ	Gas Pressure Regulator	Temperature Controls
ƒ Safety Shut-Off Valve
			B-2	Tankstat, Single-Stage
ƒ	Firing Control Valve
				(100-200°F)
ƒ	Firing Mode
			B-3	Tankstat, 2-Stage (100-200°F)
	On/Off (H4): Models
			B-6	Aquastat, 2-Stage (100-200°F)
	302B and 402B
			B-	TempTracker Digital Controller,
	2-Stage (H3): Models
				2-Stage
	302B-902B
			B-	TempTracker Digital Controller,
ƒ	Fuel
				4-Stage
	Natural Gas
			Y-241	Electronic Sequencer, 4-Stage
	Propane Gas
			Y-281	Electronic Sequencer, 8-Stage
	4” WC Gas Supply Pressure
		Options
	G-20
ƒ	Design Certified ANSI Z21.13/		C-6	Ignition Module, Manual Reset
	CSA 4.9		D-21	TruSeal→ Direct Vent
Construction			F-10	Low Water Cut-Off, Remote Probe
			I-1	High Limit Control, Auto Reset
ƒ	Indoor/Outdoor Construction
			P-	Pump:	HP, 120V, 1∅, 60Hz
ƒ	Enclosed Front Controls
				Water Hardness:			GPG
Venting
				Cast Iron		Bronze
ƒ	Vent Location			Mounted		Loose
	Top – Standard			Front		Rear
	Rear – Option D-14		P-26	Cold Water Start (See 2000.48)
ƒ	Vent Termination Cap		S-1	Low Gas Pressure Switch, Manual
	Outdoor D-11		S-2	High Gas Pressure Switch, Manual
	Indoor, Horizontal D-15		X-1	SureRack™ Kit
	Indoor, Vertical (by others)		X-2	SureRack Add-on
ƒ	Combustion Air
	In-Line Filter Kit (TruSeal only)	Regulatory Agency Requirements
	D-17
	Air Intake Elbow D-16

ƒExtractor – Optional

By others

Not required

Catalog No.: 2000.302D Effective: 11-15-07 Replaces: 1-1-07