Chromalox PG421-1 User Manual

Installation, operation, Type u-rad-lt electric radiant heaters, Renewal partsidentification

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PG421-1

U-RAD

161-058006-001

APRIL, 2005

4

and

Installation, Operation

RENEWAL PARTSIDENTIFICATION

(Supersedes PG421)

Type U-RAD-LT Electric Radiant Heaters

© 2010 Chromalox, Inc.

Housing

Mounting
Clamp
Assembly

Terminal Box

Cover

Terminal Box

Element

Polished Aluminum Reflector

Figure 1 — Heater Parts and Dimensions

Before Installing
1.
Open carton and remove heater at the place of installation.

Mounting clamps are in parts bag in carton.

2. Check nameplate volt and watt rating against your power sup-

ply voltage and heating requirements of your installation. This
nameplate is located on one end of the heater.

The system designer is responsible for the safety
of this equipment and should install adequate
back-up controls and safety devices with their
electric heating equipment. Where the conse-
quences of failure could result in personal injury or
property damage, back-up controls are essential.

Double Element U-RAD-LT

Single Element U-RAD-LT

A

B

Overall

Heated

Model

Volts

Watts

Length (In.)

Length (In.)

Single U-Shaped Element

U-RAD-2LT

120 or 240

0

800

13

5

/

16

8

7

/

16

U-RAD-2VLT

208 or 275

U-RAD-3LT

120 or 240

1100

16

7

/

16

11

5

/

16

U-RAD-3VLT

208 or 275

U-RAD-4VLT

208 or 275

1800

24

3

/

8

19

3

/

8

U-RAD-4LT

240 or 480

U-RAD-5VLT

208 or 275

2500

31

13

/

16

26

13

/

16

U-RAD-5LT

240 or 480

U-RAD-6VLT

208 or 275

3000

37

13

/

16

32

13

/

16

U-RAD-6LT

240 or 480

U-RAD-7VLT

208 or 275

3600

43

15

/

16

38

15

/

16

U-RAD-7LT

240 or 480

Two U-Shaped Elements

U-RAD-22LT

120 or 240

1600

26

1

/

8

16

5

/

8

U-RAD-22VLT

208 or 275

U-RAD-32LT

120 or 240

1900

29

1

/

4

19

3

/

4

U-RAD-32VLT

208 or 275

U-RAD-33LT

120 or 240

2200

32

3

/

8

22

7

/

8

U-RAD-33VLT

208 or 275

U-RAD-42VLT

208 or 275

2600

37

1

/

8

27

11

/

16

U-RAD-42LT

240

U-RAD-43VLT

208 or 275

2900

40

1

/

4

30

13

/

16

U-RAD-43LT

480

U-RAD-44VLT

208 or 275

3600

48

1

/

8

38

3

/

4

U-RAD-44LT

240 or 480

U-RAD-52VLT

208 or 275

3300

44

5

/

8

35

1

/

8

U-RAD-52LT

240

U-RAD-53VLT

208 or 275

3600

47

3

/

4

38

1

/

4

U-RAD-53LT

240

U-RAD-54VLT

208 or 275

4300

55

5

/

8

46

3

/

16

U-RAD-54LT

240 or 480

U-RAD-55VLT

208 or 275

5000

63

1

/

8

53

5

/

8

U-RAD-55LT

240 or 480

U-RAD-62VLT

208 or 275

3800

50

9

/

16

41

1

/

8

U-RAD-62LT

240

U-RAD-63VLT

208 or 275

4100

53

11

/

16

44

1

/

4

U-RAD-63LT

240

U-RAD-64VLT

208 or 275

4800

61

9

/

16

52

3

/

16

U-RAD-64LT

240 or 480

U-RAD-65VLT

208 or 275

5500

69

1

/

16

59

5

/

8

U-RAD-65LT

240 or 480

U-RAD-66VLT

208 or 275

6000

75

65

5

/

8

U-RAD-66LT

240 or 480

U-RAD-72VLT

208 or 275

4400

56

11

/

16

47

1

/

4

U-RAD-72LT

240

U-RAD-73VLT

208 or 275

4700

59

13

/

16

50

3

/

8

U-RAD-73LT

240

U-RAD-74VLT

208 or 275

5400

67

11

/

16

58

5

/

16

U-RAD-74LT

240 or 480

U-RAD-75VLT

208 or 275

6100

75

3

/

16

65

11

/

16

U-RAD-75LT

240 or 480

U-RAD-76VLT

208 or 275

6600

81

7

/

16

72

1

/

16

U-RAD-76LT

240 or 480

U-RAD-77VLT

208 or 275

7200

87

1

/

4

77

7

/

8

U-RAD-77LT

240 or 480

Specifications Table —

A

B

3

11

/

16

4

1

/

4

” Dia.

(Typ.)

B

A

3

/

4

” Pipe Tap on

Back Side of
Heater (Typ.)

The Safety Alert Symbol is used to indicate a risk of per-
sonal injury.

Please familiarize yourself with these instructions before
attempting to install or operate this Radiant Heater.

!

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