Thomas & Betts UDAS, UDAP dimensions Technical Data, Size 100 125

Page 6

6. Technical Data

TECHNICAL DATA - Sizes 30 - 125 (Data applies to both Models UDAP and UDAS unless noted otherwise.)

Size

30

45

60

75

100

125

Input Heating Capacity

BTUH

30,000

45,000

60,000

75,000

105,000

120,000

kw

8.8

13.2

17.6

22.0

30.8

35.2

 

Thermal Efficiency (%)

 

82

83

83

83

83

83

Output Heating Capacity A

BTUH

24,600

37,350

49,800

62,250

87,150

99,600

kw

7.2

11.0

14.6

18.3

25.6

29.2

 

Gas Connection (inches) B

Natural

1/2

1/2

1/2

1/2

1/2

1/2

Propane

1/2

1/2

1/2

1/2

1/2

1/2

 

Vent Connection C (inches diameter)

 

4

4

4

4

4

4

Combustion Air Inlet C (inches diameter) - UDAS only

4

4

4

4

4

4

Control Amps (24 volt)

 

1.0

1.0

1.0

1.0

1.0

1.0

Full Load Amps (115 volt)

 

1.9

2.4

2.4

3.3

3.9

5.1

Maximum Over Current Protection (115V) D

15

15

15

15

15

15

Normal Power Consumption (watts)

 

109

155

155

217

276

354

Discharge Air Temperature Rise (°F)

 

50

55

60

60

60

60

Air Volume

CFM

456

629

769

961

1345

1537

M3/minute

12.9

17.8

21.8

27.5

36.7

45.9

 

Discharge Air Opening Area

ft2

0.96

0.96

1.25

1.25

2.01

2.01

M2

0.09

0.09

0.12

0.12

0.19

0.19

 

Output Velocity

FPM

475

656

616

770

668

763

M/minute

145

200

188

238

196

245

 

Fan Motor HP E

Open

0.02

0.03

0.03

0.06

1/30

1/20

Enclosed

N.A.

N.A.

N.A.

N.A.

1/4

1/4

 

Fan Motor RPM

 

1550

1550

1550

1550

1050

1050

Fan Diameter (inches)

 

10

10

12

12

16

16

Sound Level

dba @ 15 ft

40

40

40

49

54

55

TECHNICAL DATA - Sizes 150 - 400 (Data applies to both Models UDAP and UDAS unless noted otherwise.)

Size

 

150

175

200

225

250

300

350

400

Input Heating Capacity

BTUH

150,000

175,000

200,000

225,000

250,000

300,000

350,000

400,000

kw

43.9

51.2

58.6

65.9

73.2

87.8

102.5

117.1

 

Thermal Efficiency (%)

 

83

83

83

83

83

83

83

83

Output Heating Capacity A

BTUH

124,500

145,250

166,000

186,750

207,500

249,000

290,500

332,000

kw

36.4

42.5

48.6

54.7

60.8

72.9

85.1

97.2

 

Gas Connection (inches) B

Natural

1/2

1/2

1/2

3/4

3/4

3/4

3/4

3/4

Propane

1/2

1/2

1/2

3/4

3/4

3/4

3/4

3/4

 

Vent Connection C (inches diameter)

 

5

5

5

5

5

6

6

6

Combustion Air Inlet C (inches diameter) - UDAS only

6

6

6

6

6

6

6

6

Control Amps (24 volt)

 

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

Full Load Amps (115 volt)

 

3.8

3.8

4.6

7.5

7.5

10.7

10.7

10.7

Maximum Over Current Protection (115V) D

15

15

15

15

15

20

20

20

Normal Power Consumption (watts)

 

392

392

491

747

747

1086

1086

1086

Discharge Air Temperature Rise (°F)

 

60

60

60

60

60

60

60

60

Air Volume

CFM

1921

2242

2562

2882

3202

3843

4483

5123

M3/minute

54.4

63.5

72.5

81.6

90.7

108.8

126.9

145.1

 

Discharge Air Opening Area

ft2

2.56

2.56

2.56

3.51

3.51

4.79

4.79

4.79

M2

0.24

0.24

0.24

0.33

0.33

0.45

0.45

0.45

 

Output Velocity

FPM

752

877

1003

820

911

802

936

1069

M/minute

229

267

306

250

278

244

285

326

 

Fan Motor HP E

Open

1/6

1/6

1/6

1/4

1/4

1/2

1/2

1/2

Enclosed

1/4

1/4

1/4

1/4

1/4

1/2

1/2

1/2

 

Fan Motor RPM

 

1050

1050

1050

1050

1050

1050

1050

1050

Fan Diameter (inches)

 

18

18

18

20

20

24

24

24

Sound Level

dba @ 15 ft

51

52

53

56

56

59

61

62

A CSA ratings for altitudes to 2000 ft.

 

B Size shown

is for gas

connection to

a single-stage

gas valve, not supply line size.

 

CSmaller and/or larger vent and combustion air pipe diameters may be permissible. For Model UDAS refer to the Venting Installation Manual for Separated Combustion Units. For Model UDAP refer to the Venting Installation Manual for Power Vented units. For a Model UDAP with Option AV6, refer to the Venting Installation Manual for Common Venting.

DMOCP = 2.25 x (largest motor FLA) + smallest motor FLA. Answer is rounded to the next lower standard circuit breaker size.

EAll other information is this table is based on a heater equipped with a standard 115 volt open fan motor.

Form RZ-NA I-UDA, P/N 195673 Rev 5, Page 6

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Contents Table of Contents Series Fan-Type Unit HeatersHazard Levels of Warnings in this Manual Installation CodesGeneral Venting Manual by ModelWarranty Uncrating and Preparation Massachusetts RequirementDimensions SizeModel Udas Separated Combustion Fan Technical Data Size 100 125High Altitude Operation Instructions for Changing Pressure SwitchPressure Switch ClearancesCombustion Air applies to Model Udap and Model Model Udap and Model UDAP-CVUnit Heater Location Heater ThrowLocation Recommendations Model Udap Size 100 125 150 175 225 250 300 350 400 Unit Heater Location cont’dHanging the Heater Model Udas Size 100 125 150 175 225 250 300 350 400Be sure Threaded swivel Connectors areRecommended maximum hanger rod length is 6 feet 1.8M Locked toGas Piping and Pressures Sizing Gas Supply LineGas Connection Size Instructions Instructions for High Altitude Derate Manifold Pressure Settings by Altitude for CanadaGas Piping and Pressures cont’d Two -Stage ValveHigh Altitude Capacity Changes Feet MetersBurner Electrical Supply and Connections Thermostat and ConnectionsCombustion Air Proving Switch Pressure Switch Pressure Switch Settings Combustion Air ProvingLimit Control Normal Heat Cycle Operating Sequence Door Switch Model Udas only Ignition SystemDip Switch StatusLED LightsIgnition System cont’d SW1 SW2 TimeContinuous Fan Operation Fault Modes Fault Modes cont’d Lockout Gas Valve Fan MotorWiring Diagrams Operating SequenceWiring Diagrams cont’d SW1 Check Installation and Startup Check the installation prior to startup Heater StartupOperating Instructions Operating Sequence Check installation after startup Vent System Testing Procedure Model UdapMaintenance Schedule Startup cont’dUse only factory-authorized parts Heat Exchanger Maintenance Burner Maintenance Burner Removal Instructions Refer to FigureInstructions to Re-Install the Burner Refer to Figure Burner Maintenance cont’dInspect and Clean the Burner Re-Install the Burner Burner OrificeDSI Cont’d IgnitionSystem Fan BladesOperating Gas Valve Combustion Air Pressure SwitchDoor Switch Udas onlyAir System Troubleshooting Flame Rollout Switch Sizes 30-125 onlySwitch DisconnectWill not start General TroubleshootingVenter motor Burner willTroubleshooting cont’d Cont’d

UDAP, UDAS specifications

Thomas & Betts is a well-respected name in the electrical and industrial products sector, known for its innovation and quality. Among its impressive portfolio, the UDAS and UDAP series of connectors stand out for their reliable performance and advanced features. These connectors are specifically designed to meet the rigorous demands of electrical applications in various industries.

The UDAS (Universal Disconnect Appliance Switch) and UDAP (Universal Disconnect Appliance Plug) are engineered for high-capacity applications where safety, efficiency, and ease of use are paramount. One of the main features of these connectors is their ability to deliver increased electrical resistance and durability. They are constructed from high-quality materials that can withstand extreme environmental conditions, making them ideal for outdoor and harsh industrial applications.

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The UDAS and UDAP connectors are manufactured to comply with several industry standards, ensuring that they meet or exceed the requirements for electrical safety and performance. Their user-centric design features help in reducing installation time and costs, making them a preferred choice among contractors and engineers.

Furthermore, these connectors are versatile, compatible with a wide range of electrical systems, and can be employed in applications such as HVAC, lighting, and power distribution. They also come in various sizes and configurations to accommodate diverse specifications, improving customization options for different projects.

In summary, the Thomas & Betts UDAS and UDAP series stands out for their robust design, quick-connect technology, and versatility across various industrial applications. Their durability and compliance with safety standards make them an excellent choice for professionals seeking reliable connectivity solutions in demanding environments. Investing in these connectors ensures optimal performance and safety in electrical installations, showcasing Thomas & Betts' commitment to excellence in electrical components.
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