Raypak Raytherm - Type WH 926-1758 Bedienungsanleitung

Catalog No.: 2000.22N Effective: 12-1-07 Replaces: 10-15-03

Job:

Engineer:

Contractor:

Prepared By: Date:

Model:

EFFICIENT

82% thermal efficiency – highest of any atmospheric

boiler available today

THERMAL SHOCK PROOF

Twenty-year warranty against thermal shock damage

up to 150°F differential

Maximum operating temperature: 230°F

LIGHTWEIGHT

A floor load of 70 lbs./sq. ft. or less

HIGH RECOVERY

Cuts fuel costs substantially because the standby and

radiation losses normal to other boilers are eliminated

LOW WATER OPERATING TEMPERATURE

Operates with water temperature as low as 105°F

without condensing

Heat Exchanger

ASME Inspected and Stamped

160 PSIG

National Board Approved

Headers

Glass-lined Cast Iron – Standard

Bronze – Option A-1

Finned Tubing

Copper – Standard

Cupro Nickel – Option A-3

ASME Steel Tube Sheet

Silicone O-Rings

60 PSIG ASME Pressure Relief Valve

Temperature and Pressure Gauge

(Boiler)

Water Connections

Left Hand – Standard

Right Hand – Option A-6

Flow Configuration

Two-pass – Standard

Single-pass (Cast Iron Only)

Pump, Rear-mounted (Optional)

4.25” Impeller

4.7” Impeller

Controls

120V, 60Hz, 1 Ph Power Supply

120/24V Transformer

100% Pilot Shut-off/Lockout

Electronic, Intermittent Ignition (IID)

Pilot

High Limit Control, Manual Reset

Controls (cont.)

On/Off Switch

Flow Switch

Economaster II Pump Time Delay

Gas Control Train

Manual Main Gas Shut-off Cock

Main Gas Pressure Regulator

Redundant Safety Shut-off Valve

Control Valve

Firing Mode

On/off (H4)

Two-stage Firing (H3)

Four-stage Firing (H9)

Mechanical Modulation,

110-170°F (H5)

Mechanical Modulation,

150-210°F (H1)

Motorized Modulation (H2)

B-6000 (H6)

Fuel

Natural Gas

Propane Gas

Design Certified ANSI Z21.13/CSA 4.9

Construction

Front Controls

Stainless Steel Burners

Polytuf Powder Coat Finish

Stackless Top

Base (Optional)

Combustible Floor Shield – Option J-1

Temperature Controllers

Note: H1 and H5 do not require a controller

B-7 Modulating

B-5 Modulating, Outdoor Reset

B-6 Two-stage

B- Four-stage Digital

Y-241 Electronic Sequencer,

1-4 Stages

Y-281 Electronic Sequencer,

1-8 Stages

Additional Safety Controls

F-9 Low Water Cut-off Probe

I-1 High Limit Control,

Auto Reset

S-1 Low Gas Pressure Switch

S-2 High Gas Pressure Switch

Regulatory Agency Requirements

Raytherm

- Type H

Hydronic Heating Boilers

Commercial

Models 926-1758 (Outdoor)

Fig. #8953

Catalog No.: 2000.22N Effective: 12-1-07 Replaces: 10-15-03

Raytherm - Type H

Hydronic Heating Boilers Model

11-3/4

14-1/2

1-1/8

COMBUSTIBLE FLOOR SHIELD

11-1/8

5-1/8

GAS

ELEC.

CONN.

27-3/4

32-1/2 19-1/2

(J-BOX)

PUMP

(OPTIONAL)

46 3/4 (OPTIONAL)

7-7/8

(OPPOSITE SIDE)

H - INLET

H - OUTLET

OPTIONAL ONE PASS

MODELS H 926-1758

Dimensions (Inches) Approx.

Model MBTU Natural Gas Width Gas Conn. Water Conn. Shipping

No. Input Output A G H Weight (Lbs.)

H-926 926.0 759.0 52-3/8 1 2-1/2 (b) 785

H-1083 1083.0 888.0 59-1/4 1 (a) 2-1/2 (b) 865

H-1178 1178.0 966.0 63-5/8 1 (a) 2-1/2 (b) 925

H-1287 1287.0 1055.0 68-5/8 1-1/4 2-1/2 (b) 980

H-1414 1413.0 1158.5 74-7/8 1-1/4 2-1/2 (b) 1080

H-1571 1570.0 1287.0 81-1/8 1-1/4 2-1/2 (b) 1130

H-1758 1758.0 1441.5 89-3/8 1-1/4 2-1/2 (b) 1160

NOTE: Ratings shown are for elevations up to 2,000 feet. For elevations over 2,000 feet, reduce ratings at the

rate of 4% for each 1,000 feet above sea level.

(a) 1” or 1-1/4”, depending on boiler type or code requirements

(b) 3” NPT on single-pass option

BOILER RATE OF FLOW AND PRESSURE DROP

Two-pass Systems Single-pass Systems

Model 10° ∆T 20° ∆T 30° ∆T 40°∆T 10° ∆T 20° ∆T 30° ∆T 40°∆T

No. GPM

∆P FT GPM ∆P FT GPM ∆P FT GPM ∆P FT GPM ∆P FT GPM ∆P FT GPM ∆P FT GPM ∆P FT

H-926 N/A N/A 76 8.0 51 3.5 N/A N/A 152 5.7 N/A N/A N/A N/A N/A N/A

H-1083 N/A N/A 90 12.0 59 5.1 44 2.9 178 8.2 N/A N/A N/A N/A N/A N/A

H-1178 N/A N/A N/A N/A 64 6.3 48 3.6 193 10.3 97 2.7 N/A N/A N/A N/A

H-1287 N/A N/A N/A N/A 70 8.0 53 4.5 N/A N/A 106 3.4 N/A N/A N/A N/A

H-1414 N/A N/A N/A N/A 77 10.2 58 5.8 N/A N/A 116 4.2 N/A N/A N/A N/A

H-1571 N/A N/A N/A N/A 86 13.2 64 7.3 N/A N/A 129 5.5 N/A N/A N/A N/A

H-1758 N/A N/A N/A N/A N/A N/A 72 9.7 N/A N/A 144 7.3 96 3.4 N/A N/A

N/A – Not Applicable

NOTES:

Maximum acceptable flow through heat exchanger tubes is 90 GPM for two-pass and 200 GPM for single-pass systems.

In closed heating systems, GPM may increase by 10% and pressure drop by 21%.

Single-pass heat exchangers should be used only when flow rates exceed maximum acceptable rates for two-pass.

Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com

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