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Raypak 2100 - 4001 User Manual

Raytherm, Type wh, Water heaters commercial

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Catalog No.: 3500.24B

Effective: 1-15-08

Replaces: 7-15-04

Job:

Engineer:

Contractor:

Prepared By:

Model:

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

LOW WATER OPERATING TEMPERATURE
Operates with water temperature as low as 105°F

without condensing

Heat Exchanger
ƒ ASME Inspected and Stamped

160 PSIG

ƒ National Board Approved
ƒ Headers

Bronze – Standard
Glass-lined Cast Iron – Option A-2

ƒ Fin

Tubing

Copper – Standard
Cupro Nickel – Option A-3

ƒ ASME Steel Tube Sheet
ƒ Silicone

O-Rings

ƒ 125 PSIG ASME Pressure Relief Valve
ƒ Temperature and Pressure Gauge
ƒ Water

Connections

Left Hand – Standard
Right Hand – Option A-6

ƒ Two-pass Flow Configuration

Controls
ƒ 120V, 60Hz, 1 Ph Power Supply
ƒ 120/24V

Transformer

ƒ 100% Pilot Shut-off/Lockout
ƒ Electronic,

Intermittent Ignition (IID) Pilot

ƒ High Limit Control, Manual Reset – 200°F
ƒ High Limit Control, Auto Reset – 200°F

Models 3001-4001

ƒ On/Off

Switch

ƒ Flow

Switch

ƒ Economaster II Pump Time Delay

Gas Control Train
ƒ Manual Main Gas Shut-off Cock
ƒ Main Gas Pressure Regulator
ƒ Redundant Safety Shut-off Valve
ƒ Control Valve
ƒ Firing

Mode

On/Off (WH1)
2-stage Firing (WH3)
Motorized Modulation (WH2)

ƒ Fuel

Natural Gas
Propane Gas

ƒ Design Certified ANSI Z21.10.3

Construction
ƒ Front

Controls

ƒ Stainless Steel Burners
ƒ Baked Enamel Paint
ƒ Built-in Draft Diverter
ƒ 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