Thomas & Betts UDAP, UDAS dimensions Model Udas Separated Combustion Fan

Page 5

M and N - Hanger Dimensions for both 2-pt and 4-pt Suspension

N M

 

P

 

P and Q -

 

TOP VIEW

Hanger

 

 

Dimensions

Q

 

for 4-pt

3/8”-16 Female Thread

Suspension

 

- all suspension points

B

D

A C

FRONT

 

VIEW

FIGURE 3 - Model UDAS,

Separated Combustion Fan

Model

R - Hanger

 

 

 

Dimension for

Combustion Air Connection

2-pt Suspension

(see Technical Data for size)

 

 

 

 

T

 

 

R

Thermostat S

 

REAR

 

 

Connection

 

 

 

 

VIEW

 

 

(30-45, 150-400

 

 

 

Horizontal;

 

 

 

 

60-125 Vertical)

 

 

 

 

G J

 

 

 

 

Line Voltage

K

External

Vent Connection

 

Inlet (connects in

H

Gas

(see Technical

sealed electrical box)

 

Connection

Data for size)

 

1-1/4

 

E

 

 

 

F

 

REZNOR

(32)

 

 

 

 

RIGHT SIDE

 

 

 

 

VIEW

 

 

 

(Access Panel)

 

MODEL UDAS DIMENSIONS (inches ± 1/16)

Size

A

B

C

D

E

F

G

H

J

K

M

N

P

Q

R

S

T

30, 45

12-1/8

26-5/8

10

13-13/16

26

21-9/16

5-3/16

6-1/2

2-11/16

3-7/8

17-3/8

11/16

4-5/16

13

9-9/16

2-15/16

2-15/16

60

15-1/8

26-5/8

13

13-13/16

27

21-9/16

7-7/8

6-1/2

5-1/2

3-7/8

17-3/8

11/16

4-5/16

13

10-1/2

3-1/4

2-15/16

75

15-1/8

26-5/8

13

13-13/16

27-5/8

21-9/16

7-7/8

6-1/2

5-1/2

3-7/8

17-3/8

11/16

4-5/16

13

10-1/2

3-1/4

2-15/16

100

23-1/8

26-5/8

21

13-13/16

28-5/8

21-9/16

14-1/2

6-1/2

8-3/4

3-7/8

17-3/8

11/16

4-5/16

13

10-1/2

4-5/8

2-15/16

125

23-1/8

26-5/8

21

13-13/16

29-3/8

21-9/16

14-1/2

6-1/2

8-3/4

3-7/8

17-3/8

11/16

4-5/16

13

10-1/2

4-5/8

2-15/16

150,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

175,

20-1/8

38-3/16

16

23

42

35-3/8

8-1/2

8-1/4

5-7/16

6-1/2

25-11/16

1-3/8

8-3/16

22-3/16

16-3/8

4-1/8

8-5/16

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

225,

26-1/8

38-3/16

22

23

42

35-3/8

13-1/16

8-13/16

9

6-1/2

25-11/16

1-3/8

8-3/16

22-3/16

15-5/8

5-9/16

8-5/16

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

350,

34-1/8

41

30

23

42

35-3/8

17-1/16

9

11-13/16

7-5/16

27-11/16

1-3/8

8-3/16

22-3/16

16-3/16

9-1/16

8-9/16

400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODEL UDAS DIMENSIONS (mm ± 2)

Size

A

B

C

D

E

F

G

H

J

K

M

N

P

Q

R

S

T

30, 45

308

676

254

351

660

548

132

165

68

98

441

17

110

330

243

75

75

60

384

676

330

351

686

548

200

165

140

98

441

17

110

330

267

89

75

75

384

676

330

351

702

548

200

165

140

98

441

17

110

330

267

89

75

100

587

676

533

351

727

548

368

165

222

98

441

17

110

330

267

117

75

125

587

676

533

351

746

548

368

165

222

98

441

17

110

330

267

117

75

150,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

175,

511

970

406

584

1067

899

216

210

138

165

652

35

208

564

416

105

211

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

225,

664

970

559

584

1067

899

332

224

229

165

652

35

208

564

397

141

211

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

350,

867

1041

762

584

1067

899

433

229

300

186

703

35

208

564

411

230

217

400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Form RZ-NA I-UDA, Mfg #195673 Rev 5, Page 5

Page 4 Page 6
Image 5
Page 4 Page 6
Contents Series Fan-Type Unit Heaters Table of ContentsGeneral Installation CodesHazard Levels of Warnings in this Manual Venting Manual by ModelMassachusetts Requirement Warranty Uncrating and PreparationSize DimensionsModel Udas Separated Combustion Fan Size 100 125 Technical DataPressure Switch Instructions for Changing Pressure SwitchHigh Altitude Operation ClearancesModel Udap and Model UDAP-CV Combustion Air applies to Model Udap and ModelLocation Recommendations Unit Heater LocationHeater Throw Hanging the Heater Unit Heater Location cont’dModel Udap Size 100 125 150 175 225 250 300 350 400 Model Udas Size 100 125 150 175 225 250 300 350 400Recommended maximum hanger rod length is 6 feet 1.8M Connectors areBe sure Threaded swivel Locked toGas Connection Size Gas Piping and PressuresSizing Gas Supply Line Instructions Gas Piping and Pressures cont’d Manifold Pressure Settings by Altitude for CanadaInstructions for High Altitude Derate Two -Stage ValveFeet Meters High Altitude Capacity ChangesThermostat and Connections Burner Electrical Supply and ConnectionsCombustion Air Proving Switch Pressure Switch Limit Control Pressure Switch SettingsCombustion Air Proving Dip Switch Door Switch Model Udas only Ignition SystemNormal Heat Cycle Operating Sequence StatusLED LightsSW1 SW2 Time Ignition System cont’dContinuous Fan Operation Fault Modes Gas Valve Fan Motor Fault Modes cont’d LockoutOperating Sequence Wiring DiagramsWiring Diagrams cont’d SW1 Operating Instructions Operating Sequence Check Installation and StartupCheck the installation prior to startup Heater Startup Vent System Testing Procedure Model Udap Check installation after startupUse only factory-authorized parts Maintenance ScheduleStartup cont’d Burner Removal Instructions Refer to Figure Heat Exchanger Maintenance Burner MaintenanceInspect and Clean the Burner Re-Install the Burner Burner Maintenance cont’dInstructions to Re-Install the Burner Refer to Figure Burner OrificeDSI System IgnitionCont’d Fan BladesDoor Switch Combustion Air Pressure SwitchOperating Gas Valve Udas onlySwitch Flame Rollout Switch Sizes 30-125 onlyAir System Troubleshooting DisconnectVenter motor General TroubleshootingWill not start Burner willCont’d Troubleshooting 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.

Another key technology employed in the UDAS and UDAP series is the quick-connect mechanism. This innovative design allows users to connect and disconnect circuits swiftly without requiring excessive force or complex tools. This is particularly beneficial in settings where downtime must be minimized and efficiency is crucial. Additionally, the connectors are designed to provide a secure, locking fit to ensure consistent electrical contact, thereby enhancing operational safety.

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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