Raypak 2100 - 4001 User Manual

Catalog No.: 3500.24B Effective: 1-15-08 Replaces: 7-15-04
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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
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
Bronze – Standard
Glass-lined Cast Iron – Option A-2
 Fin Tubing
Copper – Standard
Cupro Nickel – Option A-3
 ASME Steel Tube Sheet
 Silicone O-Rings
 125 PSIG ASME Pressure Relief Valve
 Temperature and Pressure Gauge
 Water Connections
Left Hand – Standard
Right Hand – Option A-6
 Two-pass Flow Configuration
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 – 200°F
 High Limit Control, Auto Reset – 200°F
Models 3001-4001
 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 (WH1)
2-stage Firing (WH3)
Motorized Modulation (WH2)
 Fuel
Natural Gas
Propane Gas
 Design Certified ANSI Z21.10.3
Construction
 Front Controls
 Stainless Steel Burners
 Baked Enamel Paint
 Built-in Draft Diverter
 Draft Inducer – Optional
Motorized Draft Inducer –
Indoor – Option D-2
Water Heater Controller
Required on Model WH2 only
B-17 Modulating Controller
(104-220°F), Mounted
By Others
Temperature Controllers
B-2 Single-Stage Tankstat
(100-180°F), Loose
B-3 2-Stage Tankstat (100-180°F),
Loose
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-3 High Limit Control, Auto Reset,
180°F
S-1 Low Gas Pressure Switch,
Manual
S-2 High Gas Pressure Switch,
Manual
Regulatory Agency Requirements
CSD-1 Safety Controls
Raytherm
®
- Type WH
Water Heaters
Commercial
Models 2100 - 4001
INDOOR

Raypak 2100 - 4001 Specifications

General

Model	2100-4001
Gas Type	Natural Gas or Propane
Brand	Raypak
Water Connection Size	2" NPT
BTU Input	400, 000 BTU
Input BTU	2100 - 4001
Fuel Type	Gas

Summary

Heat Exchanger Specifications

ASME and National Board Standards

Covers ASME inspection, stamping, and National Board approval for heat exchangers.

Heat Exchanger Materials

Details materials for headers, fin tubing, and tube sheets.

Pressure Relief and Gauge

Specifies 125 PSIG ASME pressure relief valve and temp/pressure gauge.

Water Connections Configuration

Describes left/right hand connections and two-pass flow.

Control System Components

Power Supply and Transformer

Details the 120V, 60Hz, 1 Ph power supply and 120/24V transformer.

Ignition and Safety Controls

Covers pilot shut-off, intermittent ignition, and high limit controls.

Operational Switches

Includes On/Off switch, Flow switch, and pump time delay.

Gas Control Train Features

Gas Shut-off and Regulation

Details manual shut-off cock, pressure regulator, and safety shut-off valve.

Control Valve and Firing Modes

Describes control valve operation and available firing modes.

Fuel Type and Certification

Specifies fuel options and ANSI Z21.10.3 certification.

Construction and Design

Construction Elements

Covers front controls, stainless steel burners, and baked enamel paint.

Draft Management Systems

Details built-in draft diverter and optional draft inducer.

Water Heater Controllers

Modulating Controller (B-17)

Specifies the B-17 modulating controller for models WH2.

Temperature Controllers (B-2, B-3)

Details single-stage and two-stage tankstat controllers.

Electronic Sequencers (Y-241, Y-281)

Covers Y-241 (1-4 stages) and Y-281 (1-8 stages) sequencers.

Additional Safety and Regulatory Controls

Additional Safety Controls

Lists low water cut-off probe and gas pressure switches.

Regulatory Agency Requirements

Mentions CSD-1 safety controls.