Hubbell MH, MSH User Manual

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Marine Products Division

The MSH is a large volume packaged water heater for marine use.

Model MSH & MH

Shipboard Electric

Water Heater

80-5000Gallon Capacity

15-1600KW — All Voltages & Phases

Reliable

νOnly high grade materials used in construction to ensure long operating life

νHydrastone cement lining provides superior protection and tank longevity

νHeavy duty construction withstands demanding marine use

Marine Approvals

νUnited States Coast Guard (USCG) conformance

and American Bureau of Shipping (ABS) approved

νUSCG conformance and ABS approval eliminates costly delays and uncertainties during ship inspection

Mounting Systems

νHeavy-dutylegs secure the tank to deck

νSide-swaybulkhead attachment points provide added mounting stability

νThe entire mounting system is integrally welded to tank for maximum stability and safety

Packaged System

νFully packaged water heater saves time and money during installation

νAll electrical operating controls are factory selected and wired to ensure reliable operation

νFull range of styles, sizes, and optional features to meet your exact water heating needs

A Heavy Duty Storage Electric Water Heater For Marine Use

The Hubbell Model MSH and MH water heater is specifically designed for marine use on board a surface vessel or platform and is in USCG conformance and is ABS approved. By utilizing deck and bulkhead mounting supports, the water heater is securely fastened to the ship structure, thus providing a secure and reliable water heater installation. The heavy-duty carbon steel storage tank is lined with specially formulated hydrastone cement that provides superior protection, tank longevity and withstands demanding marine use.

When you specify and install a Hubbell model MSH or MH, knowing that it is in conformance with USCG regulations and is ABS approved, you will have confidence that the ship owner will be provided with a quality product that is a long lasting and trouble free source for hot water.

ISO 9001:2008ISO

The Electric Heater Company

P.O. Box 288  Stratford, CT06615-0288

Phone: (203) 378-2659 FAX: (203) 378-3593

E-mail: info@hubbellheaters.com www.hubbellheaters.com

Cement Lined Tanks

Provide Longer

Service Life

What is the most common reason why a water heater fails?

NO

GLASS LINING

Failure of a tank’s protective lining allows water to come into direct contact with the steel tank causing it to corrode and leak.

Therefore, the type of protective lining is the single most important feature whendetermining the quality of any water heater. The ability of a lining to protect the steel tank is primarily based upon its thickness and complete coverage of all steel surfaces.

Tank Cross Section

5/8"

Steel

Hydrastone Pressure

Cement Vessel

Lining

Linings Available For A Steel Tank

Cement Lining

A specially formulated Hydrastone cement applied to a minimum of 5/8" thickness on all surfaces. The cement lining covers 100% of all interior surfaces and is 125 times thicker than glass lining. Due to the thickness and guaranteed coverage of cement lining there is no need for a sacrificial anode. An extremely durable and long lasting lining suitable for hot and cold potable water storage in a variety of commercial and industrial applications.

Phenolic Lining

An epoxy coating applied in 2 coats to a total of 10-12mils DFT. Typically used in process applications using low conductivity DI, distilled, or food grade water.

Non-FerrousTanks

A solid Non-Ferroustank does not require a liningbecause the pressure vessel itself is constructed from material which is impervious to the corrosive effects of hot water. This type of tank will provide a significantly longer service life than all lined steel tanks, but is initially more costly.

90/10 Copper-Nickel

A 90% Copper 10% Nickel alloy provides excellent strength and corrosion resistance. Typically used in applications with corrosive environments (salt water) or in critical marine applications requiring long tank life.

Stainless Steel

Stainless Steel (Specify: Type 304, 316, or 316L) is suited for applications requiring a corrosion resistant tank with minimal leaching of impurities into the water. Well suited for process, RO, and DI water systems.

2

Model MSH & MH

Shipboard Electric

Water Heater

 

 

 

 

 

 

 

 

 

Mode MSH/MH

 

 

Model MSH/MH

 

 

Standard Equipment

 

 

Optional Equipment

 

Vessel Construction

 

Vessel

1.

All welded carbon steel vessel designed and built in

 

1A. Alternate protective lining:

 

 

strict accordance with the ASME Code Section IV and

 

 

Phenolic epoxy resin.

 

 

stamped, certified, and registered with the National Board

 

1B. Alternate vessel construction:

 

 

of Boiler and Pressure Vessel Inspectors.

 

2.

All internal tank surfaces are lined with a minimum of 5/8"

 

 

Stainless Steel (Please specify Type: 304, 316 or 316L)

 

 

90/10 Copper-Nickel,other.

 

 

thick Hydrastone cement for superior protection and tank

 

1C. Alternate working pressure:

 

 

longevity.

 

3.

Designed for 100psi working pressure and hydrostatically

 

 

Please specify

 

 

 

 

 

 

tested at 150psi (1 1/2 times the WP).

 

 

 

 

 

General

 

General

1.

Heavy duty 2" thick fiberglass blanket insulation covers

 

 

 

the pressure vessel for maximum operating efficiency and

 

1.

Skid mounting on heavy duty all welded I Beam

2.

minimal standby heat loss.

 

2.

Type 304 stainless steel protective jacket,

Heavy gauge galvanized steel protective jacket holds

 

 

please specify if painted.

 

 

insulation in place and protected to ensure highly efficient

 

3.

Dual energy package provides operational flexibility

 

 

operation.

 

3.

Integrally welded bulkhead attachment points.

 

 

for electric and (steam or boiler water) power.

 

 

See page 8 for details.

4.

Entire vessel is supported on heavy duty integrally welded

 

 

 

 

5.

steel supports for sturdy deck mounting.

 

 

 

 

Full five (5) year Non Pro-Ratedtank warranty and one (1)

 

 

 

 

6.

year electrical component warranty.

 

 

 

 

Bronze ASME/CSA rated combination temperature and

 

 

 

 

 

 

pressure safety relief valve set at the vessel working

 

 

 

 

7.

pressure and 210ºF.

 

 

 

 

ABS approved and in conformance with USCG

 

 

 

 

 

 

regulations.

 

 

 

 

 

 

 

 

Electrical Operating Controls

 

Electrical

 

1.

All electrical operating controls are factory sized,

 

1.

NEMA 4 watertight enclosure for outdoor/wet locations.

 

 

selected, wired, tested, and mounted in a NEMA 1

 

2.

Explosion resistant enclosure for hazardous locations.

 

 

enclosure to ensure safe and reliable operation.

 

2.

A power distribution block is supplied for single point

 

 

Please specify class, division, and group.

 

3.

Built-incircuit breaker (with or without shunt trip) or a

 

 

electrical installation.

 

3.

Power fuses rated at a maximum of 60 Amps protect

 

 

built-innon-fusedOn/Off disconnect switch.

 

4.

Alternate element sheath material (Please specify:

 

 

each heating element branch circuit per NEC and UL

 

 

 

requirements. Each branch circuit has a maximum rating

 

5.

Incoloy, Stainless Steel, other).

4.

of 48 Amps.

 

Specialized heating element construction including:

Heavy duty definite purpose magnetic contactor with

 

 

Special watt density rating, passivation, electropolishing,

 

 

integrally mounted power fuse block assembly switches

 

 

hermetic seals or any other feature required to meet the

5.

power on/off to each branch circuit.

 

6.

needs of your application.

Heavy duty removable flange type immersion heating

 

Factory installed low water cut out device to disengage

6.

element provides long service life.

 

 

electrically the heating element(s) in the event of

Fully adjustable thermostat maintains accurate water

 

7.

insufficient water in the tank.

 

 

temperature and is sized by the factory to control the

 

Dial thermometer and pressure gauge factory installed in

7.

appropriate number of heating element circuits.

 

 

the tank.

A generously sized transformer provides fused 120V to

 

8.

Intra-tankcirculation pump package with On/Off switch to

8.

the control circuit

 

 

continuously circulate water within the tank and thereby

A fully adjustable (100-240ºF) safetyhi-limitdevice with

 

 

reduce stratification. All bronze circulator pump is rated

 

 

manual reset interrupts power to the control circuit in the

 

9.

1/12 HP, 120V, 1 Ph.

9.

event of over-temperaturewater in the storage tank.

 

Status indicating lamp(s).

Safety door interlock mechanism interrupts power to the

 

10.

Audible alarm system.

10.

control circuit upon opening the electrical control panel.

 

11.

Digital display electronic temperature controller. Please

Louvers in the control panel allow for cooling of the

 

 

 

specify with or without RS485 communication port for

 

 

electrical components to ensure maximum electrical

 

 

remote operation of the temperature controller.

 

 

component longevity (when required).

 

 

 

 

 

12.

Additional ground connections

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Marine Products Division

Outline Dimensions

Model MSH (vertical)

Tank

Mounting Hole

4 Places Equally

Spaced 90° Apart.

Tanks 26" diameter and smaller 4" x 4" x 1/4" Base Pads with5/8" mounting hole

Tanks 30" - 42" dia. 5” x 5” x 1/4" Base Pads with9/16" mounting hole.

Tanks 48" diameter and larger 6" x 6" x 1/4"

Base Pads with 9/16" mounting hole.

Protective Jacket

Pressure Vessel

Insulation

10"

Electric Control Panel

12" x 16" Manway

Protective Jacket

Base View

Electric Heating

Element

Withdrawal

Space

Combination Cold

Water Inlet And Drain

Side View

6" 6"

Hot Water Outlet

T&P Relief Valve

45o

Lifting

 

3 1/4"

Lug

 

 

Top View

 

 

Hot Water LiftingT&P Relief

 

Outlet

Lug

Valve

 

 

 

4"

 

F

 

B

 

 

 

7/8"

 

 

 

 

 

 

Bulkhead

 

 

Mounting Holes

1 1/2"

 

 

2 Places

 

 

 

 

 

Tank Cross

 

 

Section

 

 

 

5/8"

 

 

 

Steel

 

 

Cement

Pressure

 

 

Lining

Vessel

6"

A

Front View

Model MH (horizontal)

 

 

10"

Lifting

T&P Relief C

Hot Water

 

 

 

4"

Lugs

Valve

Outlet

Pressure

 

 

 

 

 

 

 

 

 

 

 

 

Vessel

 

 

 

 

 

 

Insulation

Electric Control

 

E

 

 

 

Protective

Panel

 

 

 

 

Jacket

Electric Heating

 

Withdrawal

 

 

 

12" x 16"

 

Space

 

 

 

Element

 

Cold

 

 

 

Manyway

Supports (Specify

 

 

 

 

Drain

 

Water

 

 

 

 

Saddles Or Skids)

D

Inlet

 

 

 

 

 

 

 

Side View

 

 

 

Front View

 

 

 

 

 

 

(Note: optional skid base shown here)

 

4

Model MSH & MH

Shipboard Electric

Water Heater

Dimensional Data, Models MSH & MH

 

 

 

Overall Dimensions (Inches)

 

 

Storage

 

 

Storage

Vertical

 

 

 

 

 

Tank

Inlet

Approx.

Capacity

 

 

 

 

 

Bulkhead

Bolt

 

Outlet

Shipping

Diameter

Height

Length

Width

Height

Diameter

Sizing

Weight

(Gallons)

Mounting

Circle

(NPT)

(Lbs.)

 

A

B

C

D

E

F

G

x Length

 

 

 

 

 

 

80

28

55

49

28

34

15

18

24 x 45

1.5

1000

120

28

75

68

28

34

15

18

24 x 64

1.5

1150

150

30

79

72

30

36

20

24

26 x 68

1.5

1300

175

34

73

67

34

40

20

24

30 x 63

1.5

1500

200

34

82

76

34

40

20

24

30 x 72

1.5

1700

225

34

89

83

34

40

20

24

30 x 79

1.5

1750

250

40

74

68

40

46

20

30

36 x 64

1.5

1850

275

40

80

74

40

46

20

30

36 x 70

1.5

2000

300

40

88

82

40

46

20

30

36 x 78

1.5

2180

325

40

92

86

40

46

20

30

36 x 82

1.5

2300

350

40

94

88

40

46

20

30

36 x 84

1.5

2500

375

46

81

75

46

52

22

36

42 x 71

1.5

2600

400

46

85

79

46

52

22

36

42 x 75

1.5

2700

425

46

88

82

46

52

22

36

42 x 78

1.5

2900

450

46

93

87

46

52

22

36

42 x 83

1.5

3000

475

52

79

73

52

58

24

42

48 x 69

2

3100

500

52

82

76

52

58

24

42

48 x 72

2

3225

525

52

85

79

52

58

24

42

48 x 75

2

3350

550

52

89

83

52

58

24

42

48 x 79

2

3400

575

52

93

87

52

58

24

42

48 x 83

2

3500

600

52

95

89

52

58

24

42

48 x 85

2

3650

700

52

107

101

52

58

24

42

48 x 97

2

4000

800

52

119

113

52

58

24

42

48 x 109

2

4300

900

52

132

126

52

58

24

42

48 x 122

2

4800

1000

52

145

139

52

58

24

42

48 x 135

2

5200

1250

58

149

143

58

64

26

48

54 x 139

2

5600

1500

58

174

168

58

64

26

48

54 x 164

2

6000

1750

64

168

162

64

70

28

54

60 x 158

3

7400

2000

64

185

179

64

70

28

54

60 x 175

3

8100

2500

76

169

163

76

82

32

60

72 x 159

3

8200

3000

76

197

191

76

82

32

60

72 x 187

3

8300

3500

88

174

168

88

94

36

72

84 x 164

6 FLG.

8900

4000

88

195

189

88

94

36

72

84 x 185

6 FLG.

9800

4500

N/A

N/A

178

94

100

40

84

90 x 174

6 FLG.

10700

5000

N/A

N/A

200

94

100

40

84

90 x 196

6 FLG.

11600

 

 

 

 

 

 

 

 

 

 

 

Note: All dimensions are approximate and subject to change. Please reference the submittal drawing for actual dimensions. The tank selections above are shown for convenience. A full selection of storage capacities is available by entering the desired capacity into the model number.

* 80, 120 and 150 gallon tanks do not come equipped with a manway. Please consult factory if desired on these sizes.

5

Marine Products Division

Recovery Ratings And Amperage At Selected KW

KW

BTU/HR

 

Gallons Per Hour (GPH) Heated At

 

 

Amperage Rating At Various Voltages

 

 

Various Temperature Rises

 

 

 

INPUT

RATING

60 °F

80 °F

100 °F

120 °F

140 °F

208V 3F

 

240V 3F

380V 3F

440V 3F

480V 3F

 

 

 

15

51,195

103

77

62

51

44

42

 

36

23

21

 

18

20

68,260

137

103

82

68

59

56

 

48

30

28

 

24

25

85,325

171

128

103

85

73

69

 

60

38

35

 

30

30

102,390

205

154

123

103

88

83

 

72

46

42

 

36

35

119,455

239

179

144

120

103

97

 

84

53

49

 

42

40

136,520

273

205

164

137

117

111

 

96

61

56

 

48

45

153,585

308

231

185

154

132

125

 

108

68

63

 

54

50

170,650

342

256

205

171

146

139

 

120

76

70

 

60

55

187,715

376

282

226

188

161

153

 

132

84

77

 

66

60

204,780

410

308

246

205

176

167

 

145

91

84

 

72

65

221,845

444

333

267

222

190

181

 

157

99

91

 

78

70

238,910

478

359

287

239

205

195

 

169

106

97

 

84

75

255,975

513

384

308

256

220

208

 

181

114

104

 

90

80

273,040

547

410

328

273

234

222

 

193

122

111

 

96

85

290,105

581

436

349

290

249

236

 

205

129

118

 

102

90

307,170

615

461

369

308

264

250

 

217

137

125

 

108

95

324,235

649

487

390

325

278

264

 

229

145

132

 

114

100

341,300

683

513

410

342

293

278

 

241

152

139

 

120

110

375,430

752

564

451

376

322

306

 

265

167

153

 

132

120

409,560

820

615

492

410

351

333

 

289

183

167

 

145

125

426,625

854

641

513

427

366

347

 

301

190

174

 

151

150

511,950

1025

769

615

513

439

417

 

361

228

209

 

181

175

597,275

1196

897

718

598

513

486

 

421

266

244

 

211

200

682,600

1367

1025

820

683

586

556

 

482

304

279

 

241

225

767,925

1538

1153

923

769

659

625

 

542

342

313

 

271

250

853,250

1708

1281

1025

854

732

695

 

602

380

348

 

301

275

938,575

1879

1409

1128

940

805

764

 

662

418

383

 

331

300

1,023,900

2050

1538

1230

1025

879

834

 

723

456

418

 

361

325

1,109,225

2221

1666

1333

1110

952

903

 

783

494

453

 

391

350

1,194,550

2392

1794

1435

1196

1025

973

 

843

532

487

 

421

375

1,279,875

2563

1922

1538

1281

1098

1042

 

903

570

522

 

452

400

1,365,200

2733

2050

1640

1367

1171

1112

 

963

608

557

 

482

450

1,535,850

3075

2306

1845

1538

1318

1251

 

1084

685

627

 

542

500

1,706,500

3417

2563

2050

1708

1464

1390

 

1204

761

696

 

602

1000

3,412,000

6833

5125

4100

3417

2929

2779

 

2408

1521

1393

 

1204

1200

4,094,400

8200

6150

4920

4100

3514

3335

 

2890

1825

1671

 

1445

1400

4,776,800

9567

7175

5740

4783

4100

3891

 

3372

2130

1950

 

1686

1600

5,459,200

10933

8200

6560

5467

4686

4446

 

3854

2434

2229

 

1927

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes: The KW selections above are shown for convenience. A full selection of KW ratings from 1 to 1600 KW is available by entering the desired KW into the model number. For alternate voltages including 415, 575 and 600 volt, please consult factory.

Electrical

KW  x  1000  ÷1.73  = Amps 3Φ Volts

KW  x  1000= Amps 1 Φ Volts

6

Example: 150 KW at 480V 3F

150  x  1000  ÷1.73  =  180 Total Amp Draw 480

180 ÷ 48 Amps max circuit rating = 3.75 Round up the number of circuits to 4

Note: Each branch circuit is rated at a maximum of 48 Amps and each circuit is typically operated as an independent temperature step.

Model MSH & MH

Shipboard Electric

Water Heater

Model MSH & MH Sizing Information

Step 1: Solve for the unknown using the formulas stated below

Variables To Solve For:

KW Requirement:

 

 

 

  GPH x 

 

 

 

  °F T x 0.00244 =

 

 

 

  KW

Temperature Rise:

 

 

 

  KW x 410 ÷ 

 

 

 

  GPH = 

 

 

 

  °F T

Flow Rate:

 

 

  KW x 410 ÷ 

 

 

  °F T=

 

 

  GPH

Metric Conversions

Liters x 0.2641 = Gallons Gallons x 3.79 = Liters Gallons x 0.003785 = m3 m3 x 264.2 = Gallons 1OCT  =  1.8°FTOF  =  (OC  x  1.8)  +  32

OC  =  (OF- 32)  x  0.556

Watts/Sq.Cm. x 6.4 = Watts/Sq.In.

Watts/Sq.In. x 0.155 = Watts/Sq.Cm.

psi x 0.06896 = Bar Bar x 14.5 = psi

psi x 6.86 = kPa kPa x 0.1456 = psi Kg/cm2 x 14.28 = psi psi x 0.07 = Kg/cm2 Lbs x 0.4536 = Kg Kg x 2.2 = Lbs

Model Number Designation

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Step 1

 

Step 2

Step 3

Step 4

 

Step 5

Model:

MSH = Vertical

MH = Horizontal

Example:

Gallon Capacity:

Electric KW:

Vessel Type:

Voltage / Phase / Hz:

80-5000U.S. Gallons

5-1600KW

SL = Hydrastone

RS

= 208-1-60

 

 

Cement lined tank

R

= 208-3-60

 

 

GL = Phenolic Lined S

= 240-1-60

 

 

Steel

T

= 240-3-60

 

 

CN = Solid 90/10

 

 

W

= 277-1-60

 

 

Copper-Nickel

T3

= 380-3-50/60

 

 

 

 

 

SS = Solid StainlessT7

= 415-3-50/60

 

 

Steel (Specify Type

T5

= 440-3-60

MSH250-0-80SLT5

 

304 or 316L)

T4

= 480-3-60

 

 

A Hubbell marine water heater with a storage capacity of 250

T4S

= 480-1-60

gallons and an 80 KW electric heating element. The tank is

T6

= 600-3-60

cement lined. Power required is 440 VAC, 3 phase, 60 Hz.

 

 

Option Note

Any and all optional equipment for a water heater must be called out in the written specifications. A model number in and of itself does not reflect any optional equipment selected.

(Manufacturer reserves the right to change specifications without notice.)

7

Marine Products Division

Optional Steam Package

Benefit Of Dual Fuel Capability

The Hubbell model MSH and MH water heater is available with a factory installed heat exchanger to provide heating capability utilizing ships steam or boiler water. While the ship is under way and the boilers are producing steam, the water heater will operate in “primary” mode and use steam to heat the water. When the ship is dockside, and steam generation is reduced (or completely shut down), the

operator can switch the water heater over to electric heating mode by simply turning a switch on the Hubbell control panel which activates the factory packaged and installed electric immersion heaters. This dual fuel capability provides ship operators with complete flexibility in determining which fuel mode is most advantageous to operate at any given time.

Electric

Control Panel

Electric

Heater

Steam Heating

Coil (steam controls not

shown)

 

 

 

 

 

 

 

 

Standard Features

 

 

 

Optional Features

Steam Heating Coil

 

Optional vessel construction and optional general

1.

A high quality factory installed 2 pass U-Tubeheating

 

construction features as shown on page 3.

 

coil constructed from 18 BWG 3/4" O.D. single wall

 

Steam Heating Coil

 

copper tubing designed for a maximum working

 

 

pressure of 150 psi.

 

 

1.

Double wall tubing with a leak detection port

 

 

 

2.

All wetted parts including the tube sheet and baffles

 

 

2.

Alternate tubing material please specify:

 

 

3.

are non-ferrousfor maximum longevity.

 

 

 

(Stainless Steel, 90/10 Copper-Nickel,Other)

Heavy duty fabricated steel head with threaded NPT

 

 

3.

Fabricated steam head constructed from:

 

 

 

steam and condensate connections.

 

 

 

(Stainless Steel, Copper Alloy, Other)

 

 

 

 

 

 

 

 

 

Steam Operating Controls

 

Operating Controls

1.

Steam operating controls are factory selected, sized,

 

 

4.

Steam controls are factory selected and sized, but

 

 

2.

piped, and tested to ensure reliable operation.

 

 

5.

shipped loose for in the field installation by others.

All steam components are factory plumbed with

 

 

Various steam control valves are available to meet

 

 

 

schedule 40 black iron pipe and ready for steam and

 

 

 

the specific needs of your application, please

 

 

 

 

3.

condensate connections.

 

 

 

specify: Self-operatedtype, pneumatic operated,

High quality cast iron pilot operated steam control

 

 

 

electric motor operated, separate pressure

 

valve modulates the flow of steam through the

 

 

 

reducing pilot type.

 

heating coil to provide accurate water temperature

 

 

6.

Single solenoid safety system closes the control

 

 

 

4.

control.

 

 

 

valve should the water temperature in the tank

 

 

 

Cast iron Y strainer with 20 Mesh screen protects the

 

 

 

reach the hi-limitset point. Requires 120 volt 5

 

steam controls and coil from dirt and debris in the

 

 

 

amp electrical service.

5.

steam supply.

 

 

7.

A double solenoid safety system dumps over

 

 

Thermostatic drip trap removes condensate from the

 

 

 

heated water in the storage tank to drain in

 

steam supply line.

 

 

 

addition to closing the control valve. Requires 120

6.

Heavy duty cast iron float and thermostatic main

 

 

8.

volt 5 amp electrical service.

 

condensate trap for optimum efficiency.

 

 

Dial water thermometer and pressure gauge

7.

Brass vacuum breaker and dial steam pressure

 

 

 

factory installed in the tank.

 

gauge installed in the heating coil head.

 

 

9.

Factory wrapped and baffled steam coil with

 

 

 

Note: Additional steam and boiler water design literature

 

 

10.

integral pump package.

 

 

Steam Controls to be cast steel construction.

 

 

is available in Hubbell brochures titled “ST”,“BW” and

 

 

 

 

 

 

 

 

“Heating Coils”.

 

 

 

8

ModelMSHMSH& MH& MH

Optional Steam Package ShipboardElectricElectric

WaterHeatHeater

Steam Component General Configuration

The steam control valve maintains accurate water temperature in a steam fired water heater by regulating the flow of steam through the heating coil.

Adjustable

Temperature Pilot

Steam Inlet

Y Strainer

Steam

Control

Valve

Thermostatic

Drip Trap

Condensate Outlet

To sensing bulb in tank

Pneumatic or electronic controller (if required)

Steam Pressure Gauge

Vacuum Breaker

Steam Coil

Y Strainer

F & T Main

Condensate Trap

There are four types of steam control valves available for use on a steam fired storage water heater.

Self Operating

The valve design includes a bulb and capillary assembly charged with a thermally responsive vapor. The expansion/contraction of the vapor acts upon the valve bellows in order to control the flow of steam through the valve. No external power source is required for

operation.

Pneumatically Operated

In this configuration the ships air supply feeds a factory installed temperature controller which operates the steam control valve. The temperature controller sends a precise air signal to the steam control valve which adjusts the flow of steam into the heating coil. The temperature controller is fully adjustable from 50-250°Fand requires 20psi air at a maximum consumption of 0.5

SCFM.

Pilot Operated

A pilot operated control valve is the most widely used type of valve for standard water heating applications. In this type of valve, a temperature pilot device utilizes steam to operate the main valve. No external power source is required other than steam. This is a highly

dependable temperature control system which is suitable for most applications. As an option, this valve may include a pressure reducing pilot which limits the steam

pressure to a predetermined maximum.

Electronic Operated

This control valve is similar to a pneumatically operated system, except in this case the temperature controller is a sophisticated digital display electronic device which outputs a 4-20masignal to a compact motor mounted on the steam control valve in order to proportionally control the flow of steam to the heating coil. The temperature controller displays set point as well as actual water temperature and is available with an RS485 communications port for remote control.

9

MarineProductsDivisionDivision

Optional Steam Package

Heating Coil General Configuration

Inlet

Outlet

 

Tank

Head

Tube

Flange

 

Sheet

 

Length B

Tube Support

Tubes

Rib Gasket Ring Gasket Tank

Tank Lining

Please Complete The Following Information:

1Tube Sheet Data

Outside Diameter Thickness Material

Number of Tube holes in the tube sheet

Does the tube sheet have Bolt Holes in it?

YesNo

If Yes:

# of bolt holes

Dia. of bolt holes

Bolt circle

Do the bolt holes straddle the centerline?

YesNo

2Diameter of the neck nozzle on the tank.

Outside Diameter

Inside Diameter

(Include thickness of neck lining, if any)

Circumference Of Neck

3 Immersion length of tubes “B”

Heating surface area in Sq. Ft. (if known)

Tank Type: VerticalHorizontal

Tank dimensions: Diameter Height

Pull space maximum length

10

 

 

 

 

 

4

 

Tube Outside

 

 

 

Diameter

 

 

 

 

 

 

 

Material

 

 

 

 

Gauge

 

BWG

Type Single WallDouble Wall Design Pressure

Design Temperature

5 Number of passes

 

 

 

 

 

 

 

 

6

Number of tube

 

 

 

supports

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Full

 

Half type

 

 

 

 

 

 

 

 

 

 

 

 

Distance to each

 

 

 

 

 

tube support

 

 

 

 

 

 

 

Material

 

 

 

 

 

 

 

O.D. of supports

 

 

 

 

 

 

 

Thickness

 

 

 

 

 

 

 

Recovery rated

 

 

 

 

7

 

 

 

 

to heat

 

 

 

 

GPH

 

 

 

 

 

 

 

 

 

from 

 

 

 

 

oF to

 

 

 

 

oF

 

 

 

 

 

When supplied with the following

 

 

 

 

 

heat source:

 

 

 

 

 

 

 

Steam at 

 

 

 

 

 

 

  psig

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lbs. / Hour

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Steam Consumption

 

 

 

 

Boiler Water at 

 

 

 

 

 

GPM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

from 

 

 

 

 

oF to

 

 

 

oF

 

 

 

 

HTHW at 

 

 

 

 

 

 

 

GPM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

from 

 

 

 

 

oF to

 

 

 

oF

 

 

Pressure Drop

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Steam 

 

 

 

 

 

 

  psi

 

 

 

 

 

 

 

 

Boiler or HTHW 

 

 

  psi

ModelMSHMSH& MH& MH

Optional Steam Package ShipboardElectricElectric

WaterHeatHeater

Steam Consumption Formula

GPH  x°F Tx  8.33

= Lbs / Hr Steam

Latent Heat of Steam

Steam Pressure (psi)

0

2

5

10

15

20

25

30

40

50

Latent Heat

970

966

960

953

946

939

933

929

920

912

 

 

 

 

 

 

 

 

 

 

 

Dual Fuel Model Number Designation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Step 1

 

Step 2

Step 3

Step 4

Step 5

 

Step 6

Model:

 

Gallon Capacity:

Primary

Secondary

Tank:

Voltage / Phase / Hz:

MSH = Vertical

 

80-5000U.S. Gallons

Heating:

Electric

SL = Hydrastone

RS

=

208-1-60

MH = Horizontal

 

 

 

 

 

ST = Steam

Heating:

Cement lined tank

R

=

208-3-60

 

 

 

 

 

BW = Boiler

5-1600KW

GL = Phenolic

S

=

240-1-60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Water

 

 

 

 

Lined Steel

T

=

240-3-60

 

 

 

 

 

 

 

 

 

O = No steam

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN = Solid 90/10

 

 

 

 

 

 

 

 

 

 

 

 

 

W

=

277-1-60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Copper-Nickel

T3

=

380-3-50/60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SS = Solid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T7

=

415-3-50/60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stainless Steel

T5

=

440-3-60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(specify Type 304,

Example: MSH400-ST-120SLT5

 

 

 

 

 

 

 

 

316 or 316L)

T4

=

480-3-60

 

 

 

 

 

 

 

 

T4S=

480-1-60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A Hubbell vertically installed 400 gallon dual fuel marine water heater with

T6

=

600-3-60

a factory installed steam heating coil as the primary heating source and a 120 KW electric heating element to operate as the secondary heating source. Tank is cement lined. Power required is 440 VAC, 3 phase, 60 Hz. Please note that steam heating capacity and construction features are not identified in the model number and therefore must be noted in the written specifications.

Option Note

Any and all optional equipment for a water heater must be called out in the written specifications. A model number in and of itself does not reflect any optional equipment selected.

(Manufacturer reserves the right to change specifications without notice.)

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model MSH & MH

 

 

 

 

 

 

 

 

Master Specification

 

 

 

 

 

 

 

SHIP NAME

 

 

ENGINEER / NAVAL ARCHITECT

 

 

 

 

 

 

 

SHIPYARD

 

 

CONTRACTOR

 

 

 

 

 

 

General

 

 

 

Provide a quantity of 

 

 

  packaged type Marine Electric

water heater(s) Model No. 

 

 

  as

manufactured by HUBBELL The Electric Heater Co., Stratford, CT. The water heater shall be constructed specifically for shipboard installation by utilizing deck and bulkhead mounting supports that are integrally mounted to the pressure vessel. The pressure vessel section, including the electrical control panel, shall be mounted on structural supports and be suitably insulated, jacketed, painted, and provided with lifting lugs. The entire unit is to be packaged ready for plumbing and electric service connections and shall bear the UL listing mark certifying the entire water heater. The water heater shall conform to USCG regulations and be ABS listed and approved.

Pressure Vessel

The pressure vessel shall be all welded construction and ASME Code Section IV stamped for a working pressure of 100 psi and contain a minimum of    gallons of storage. The storage vessel shall be carbon steel and lined with seamless Hydrastone

cement applied to a minimum thickness of 5/8" on 100% of all interior tank surfaces,(   Optional Specifications: Phenolic lined steel tank, solid 90/10 coppernickel tank, solid Type 304, 316 or 316L Stainless Steel Tank. ) The pressure vessel is to be covered with 2"

thick fiberglass blanket insulation and enclosed in a heavy gauge galvanized steel metal jacket finished in gray hammertone enamel. The vessel shall be protected by an ASME approved automatic reseating combination temperature and pressure relief valve set at the tank working pressure and 210 °F.

Electric Recovery

 

 

 

 

 

 

 

 

 

The recovery section shall be rated at 

 

 

  KW which will

heat  

 

 

  GPH of water at 

 

  °F rise (  

 

  °F to

 

 

  °F).

 

 

 

 

 

 

 

 

 

Electric Controls

 

 

 

 

 

 

 

 

 

The heater shall be designed to operate at 

 

 

  volts,

 

 

 

  phase, 

 

  HZ with a fused low voltage

 

transformer providing 120 volt to all operating controls. The

immersion heating element(s) shall be high quality copper sheathed

(Optional Specification: Incoloy, Type 304, 316 or 321 stainless steel) and sized to obtain the rated recovery. Each element circuit is to be independently operated through a definite purpose magnetic contactor having a resistive load rating equal to or exceeding the ampere rating of that particular circuit and shall be protected by individual power fuses rated approximately 125% of the ampacity of the circuit. Multiple circuit elements shall be provided with a

power distribution block for connecting of the incoming power feeds

(   Optional Specifications: Built-innon-fusedOn/Off disconnect switch, builtin circuit breaker with an On/Off handle.) A safety door

interlock switch shall interrupt power to the control circuit when the control panel door is opened. The control thermostat shall be immersion type and shall be consistent with the recovery rate of the

heating element as to the number of steps required. A hi-limitcontrol with a manual reset button shall be factory installed to disconnect all ungrounded conductors to the heating element(s) in the event of anover-temperaturecondition in the storage section.

Option

OptionOption

Dual Fuel Package

Shall be required

Shall not be required

The heating coil shall utilize (

 

Optional Specification:steam,

boiler water, HTHW ) and be rated to heat

 

 

  GPH of

water at a

 

 

 

  °F rise (

 

 

  °F to

 

 

  °F)

when supplied with

 

 

 

 

  psi steam to the control valve and

consume

 

  lbs/hour steam. The heating coil shall be a

fully removable immersion U-tubeheating coil rated for 150 psi working pressure. The single wall(  Optional Specification: Double wall ) coil shall be constructed from 18 BWG3/4" OD copper(  Optional Specification: 90/10 Copper-nickel, stainless steel ) tubes. The coil including the tube sheet, baffles, and spacers

shall have all non-ferrouswetted parts and a fabricated steel head. The water heater shall (shall not) be supplied with steam operating controls. Aself-contained

(Optional Specification:Pneumatic, pilot, electric )type steam control valve shall regulate the flow of steam to the heating coil in order to control water temperature. A drip trap, main condensate trap, Y strainers, vacuum breaker, and steam pressure gauge shall be factory sized and piped with the steam control valve.

In addition, the following steam options may be selected:

Option The water heater shall be equipped with afactory-packagedintra-tankcirculator to

continuously circulate water within the tank to reduce stratification.

Option The heating coil shall be wrapped and baffled and piped with an integral pump package to force circulate water over the heating coil in order to reduce the coil size.

Option Single solenoid safety system to close the control valve should the water temperature in the tank reach thehi-limitset point. Requires 5 Amp, 120

Volt service.

 Option Double solenoid safety system dumps over heated water in the storage tank to drain in addition to closing the control valve. Requires 5 Amp, 120 Volt service.

Warranty

The water heater manufacturer shall warranty all components against defects in workmanship and material for a period of one (1) year from

date of start up, and the pressure vessel for a full five (5) years Non Pro-Rated(   Optional Specification: full ten (10) years Non ProRated tank warranty ) fromstart-up,provided that the unit is started

within three (3) months of date of shipment and installed and operated within the scope of the tank design and operating capability. Each water heater shall be shipped with a complete set of installation and operating instructions including spare parts list and approved drawing.

Committed to continuous improvements

Continuing research results in product improvement; therefore these specifications are subject to change without notice. For the most updated information, consult the factory.

Marine Products Division

The Electric Heater CompanyP.O. Box 288Stratford, CT06615-0288Phone: (203) 378-2659 FAX: (203) 378-3593 E-mail: info@hubbellheaters.com www.hubbellheaters.com