Raypak 2100 4001 Users Manual 3500.24B

2100 - 4001 to the manual 5a8ad749-1119-42d4-a5a5-66d57a6a943e

2015-02-02

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Raytherm® - Type WH

Job:
Engineer:

Water Heaters
Commercial

Contractor:
Prepared By:
Model:

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
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

Catalog No.: 3500.24B

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

Effective: 1-15-08

INDOOR

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

Replaces: 7-15-04

Raytherm - Type WH
Models 2100-4100

Model

MODELS WH 2100 – 4001
Overall
Height

Gas
Conn.

Water
Conn.

Flue
Dia.

Input

Output

A

B

G

H

K

Approx.
Shipping
Weight (lbs)

WH-2100

2100

1722

61

68-1/4

*

3

24

1400

WH-2500
WH-3001

2499
3000

2049
2460

70
81-1/4

68-1/4
68-1/4

*
2

3
3

26
28

1580
1750

WH-3500
WH-4001

3500
4000

2870
3280

92-1/2
103-3/4

68-1/4
68-1/4

2
2

3
3

30
32

1920
2100

Model
No.

MBTUH

Width

* 1-1/2” or 2”, contingent on water heater type code requirements
NOTES: Dimensions are in inches.
Ratings are for elevations up to 2,000 feet. For elevations over 2,000 feet, reduce ratings
4% for every 1,000 feet above sea level.

HEATER RATES OF FLOW AND PRESSURE DROPS
Model
No.
WH-2100
WH-2500
WH-3001
WH-3500
WH-4001

20°F ∆T
GPM ∆P (ft)
172
11.0
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

30°F ∆T
GPM ∆P (ft)
115
4.9
137
7.5
164
11.2
191
16.8
N/A
N/A

40°F ∆T
GPM ∆P (ft)
N/A
N/A
102
4.3
123
6.5
144
9.3
164
12.8

HEATER RECOVERY RATES (GPH)
Model
No.
WH-2100
WH-2500
WH-3001
WH-3500
WH-4001

20°F
10336
12300
14765
17227
19688

30°F
6890
8200
9844
11484
13125

Temperature Rise
40°F
50°F
60°F
5168
4134
3445
6150
4920
4100
7383
5906
4922
8613
6891
5742
9844
7875
6563

80°F
2584
3075
3691
4301
4922

100°F
2067
2460
2953
3445
3938

Maximum acceptable flow through heat exchanger tubes is
200 GPM.

Raypak, Inc. ƒ 2151 Eastman Avenue, Oxnard, CA 93030 ƒ (805) 278-5300 ƒ Fax (800) 872-9725 ƒ www.raypak.com
Catalog No.: 3500.24B

Effective: 1-15-08

Replaces: 7-15-04



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