Raypak Water Heater 2100 4001 User Guide

Raytherm® - Type WH  
Job:  
Engineer:  
Contractor:  
Prepared By:  
Model:  
Water Heaters  
Commercial  
Models 2100 - 4001  
Indoor Date:  
EFFICIENT  
82% thermal efficiency – highest of any atmospheric  
water heater available today  
THERMAL SHOCK PROOF  
Twenty-year warranty against thermal shock damage  
up to 150°F differential  
Maximum operating temperature: 210°F  
LIGHTWEIGHT  
A floor load of 70 lbs./sq. ft. or less  
HIGH RECOVERY  
Cuts fuel costs substantially because the standby  
and radiation losses associated with tank-type  
water heaters are eliminated  
INDOOR  
LOW WATER OPERATING TEMPERATURE  
Operates with water temperature as low as 105°F  
without condensing  
Heat Exchanger  
Gas Control Train  
Water Heater Controller  
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ASME Inspected and Stamped  
160 PSIG  
National Board Approved  
Headers  
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Manual Main Gas Shut-off Cock  
Required on Model WH2 only  
B-17 Modulating Controller  
(104-220°F), Mounted  
By Others  
Main Gas Pressure Regulator  
Redundant Safety Shut-off Valve  
Control Valve  
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Bronze – Standard  
Firing Mode  
Temperature Controllers  
B-2 Single-Stage Tankstat  
(100-180°F), Loose  
Glass-lined Cast Iron – Option A-2  
Fin Tubing  
On/Off (WH1)  
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2-stage Firing (WH3)  
Motorized Modulation (WH2)  
Fuel  
Natural Gas  
Propane Gas  
Design Certified ANSI Z21.10.3  
Copper – Standard  
B-3 2-Stage Tankstat (100-180°F),  
Loose  
Y-241 Electronic Sequencer,  
1-4 Stages  
Y-281 Electronic Sequencer,  
1-8 Stages  
Cupro Nickel – Option A-3  
ASME Steel Tube Sheet  
Silicone O-Rings  
125 PSIG ASME Pressure Relief Valve  
Temperature and Pressure Gauge  
Water Connections  
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Construction  
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Front Controls  
Left Hand – Standard  
Right Hand – Option A-6  
Two-pass Flow Configuration  
Additional Safety Controls  
Stainless Steel Burners  
Baked Enamel Paint  
Built-in Draft Diverter  
Draft Inducer – Optional  
Motorized Draft Inducer –  
Indoor – Option D-2  
F-9 Low Water Cut-off Probe  
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I-3  
High Limit Control, Auto Reset,  
180°F  
Controls  
S-1 Low Gas Pressure Switch,  
Manual  
S-2 High Gas Pressure Switch,  
Manual  
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120V, 60Hz, 1 Ph Power Supply  
120/24V Transformer  
100% Pilot Shut-off/Lockout  
Electronic, Intermittent Ignition (IID) Pilot  
High Limit Control, Manual Reset – 200°F  
High Limit Control, Auto Reset – 200°F  
Models 3001-4001  
Regulatory Agency Requirements  
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On/Off Switch  
Flow Switch  
Economaster II Pump Time Delay  
CSD-1 Safety Controls  
Catalog No.: 3500.24B  
Effective: 1-15-08  
Replaces: 7-15-04  
 

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