Catalog No.: 2000.302D

Effective: 11-15-07

Replaces: 1-1-07

Job:

Engineer:

Contractor:

Prepared By:

Date:

Model:

Indoor/Outdoor:

MBTUH Input:

Š

100% Factory Fire Tested

Š

Efficiency: 84%

Š

Maximum Outlet Temperature: 230°F

Š

Minimum Non-Condensing Inlet Temperature: 105°F

Š

Thermal Shock Proof Heat Exchanger

Š

Limited Twenty-Year Thermal Shock Warranty

Š

Limited Ten-Year Closed-System Heat Exchanger

Warranty

Š

Diagnostic Center with Fault History

Š

PolyTuf Powder Coated Cabinet

Š

No Combustible Floor Shield Required

Š

Fan-Assisted

Š

Patented Burner Security Blanket

Heat Exchanger

ƒ

H Stamp

ƒ

Headers

Glass-Lined Cast Iron – Standard

Bronze – Option A-1

ƒ

ASME Inspected and Stamped

160 PSIG Working Pressure

ƒ

National Board Approved

ƒ

Fin Tubing

Copper – Standard

Cupro Nickel – Option A-3

ƒ

ASME Steel Tube Sheet

ƒ

Silicone High Temp. O-Rings

ƒ

ASME Pressure Relief Valve

45 PSIG – Standard on Models

302B and 402B

60 PSIG – Standard on Models

502B-902B

PSIG – Optional

ƒ

Temperature and Pressure Gauge

ƒ

Water Connections

Left – Standard

Right – Option A-6

Controls

ƒ

120V, 60Hz, 1

∅

Power Supply

ƒ

120/24V 60Hz Transformer

ƒ

100% Shut-Off/Lockout

ƒ

Hot Surface Ignition

ƒ

Remote Flame Sensor

ƒ

High Limit Control, Manual Reset

ƒ

On/Off Power Switch

ƒ

Manual Shut-Off, Front-Mounted

ƒ

Flow Switch

ƒ

Blocked Vent Pressure Switch

ƒ

Combustion Air Proving Switch

ƒ

Economaster Pump Time Delay

ƒ

Enable/Disable

Gas Train

ƒ

Manual Gas Shut-Off Valve(s)

ƒ

Gas Pressure Regulator

ƒ

Safety Shut-Off Valve

ƒ

Firing Control Valve

ƒ

Firing Mode

On/Off (H4): Models

302B and 402B

2-Stage (H3): Models

302B-902B

ƒ

Fuel

Natural Gas

Propane Gas

4” WC Gas Supply Pressure

G-20

ƒ

Design Certified ANSI Z21.13/

CSA 4.9

Construction

ƒ

Indoor/Outdoor Construction

ƒ

Enclosed Front Controls

Venting

ƒ

Vent Location

Top – Standard

Rear – Option D-14

ƒ

Vent Termination Cap

Outdoor D-11

Indoor, Horizontal D-15

Indoor, Vertical (by others)

ƒ

Combustion Air

In-Line Filter Kit (TruSeal only)

D-17

Air Intake Elbow D-16

ƒ

Extractor – Optional

By others

Not required

Burner

ƒ

Ultra-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

Hi Delta

®

- Type H

Space Heating/Hot Water Boilers

Models 302B-902B

Catalog No.: 2000.302D

Effective: 11-15-07

Replaces: 1-1-07

Hi Delta – Type H

Models 302B-902B

Model

RATES OF FLOW AND PRESSURE DROPS

10°F

∆

T 20°F

∆

T

30°F

∆

T

Min. Flow

Max. Flow

Model GPM

∆

P (ft)

GPM

∆

P (ft)

GPM

∆

P (ft)

GPM

∆

P (ft)

∆

T

GPM

∆

P (ft)

∆

T

302B 51 3.2 25

<1.0

N/

A

N/

A

20

<1

25

90 9.8 6

402B 68 5.4 34 1.5 22 <1 20 <1 34 90 10.0 7

502B 85 9.2 42 2.3 28 1.1 21 <1 40 90 10.5 9

652B N/A N/A 55 4.0 36 1.8 28 1.1 40 90 10.7 12

752B N/A N/A 64 5.5 42 2.5 32 1.6 40 90 11.0 14

902B N/A N/A 76 8.5 51 3.8 38 2.2 40 90 11.8 17

Basis is 20 GPM or 40°F

∆

T for minimum flow, 90 GPM for maximum flow.

NOTE: Pump location

varies based on model

and application

SPECIFICATIONS

A

pprox.

MBTUH

A

G H

K

T W

A

mp. Shipping

Model

Input Output Width NPT NPT

Draw Wt. (Lbs)

302B

300

252

36

3/4 2 5 6 18

6

380

402B 399 335 43 3/4 2 6 6 18-1/2

6 445

502B 500 420 50 1-1/4 2 6 6 22 6 545

652B 650 546 60-1/2 1-1/4 2 8 6 27-1/4

6 590

752B 750 630 67-1/2 1-1/4 2 8 6 30-3/4

6 675

902B 900 756 78 1-1/4 2 8 6 36 7 740

Dimensions are in inches.

NOTES: 1. Rates shown are for natural or propane gas, and elevations up to 5,000 feet. For installation above 5,000 feet, pleas

e contact manufacturer.

2. Required natural gas pressure is 7 – 10.5” WC. Required propane gas pressure is 11 - 13” WC.

Raypak, Inc.

ƒ

2151 Eastman Avenue, Oxnard, CA 93030

ƒ

(805) 278-5300

ƒ

Fax (800) 872-9725

ƒ

www.raypak.com