Chromalox PG421-1 specifications Before Installing, Model

Installation, Operation

and

RENEWAL PARTSIDENTIFICATION

4	U-RAD
(Supersedes PG421)	PG421-1

161-058006-001

APRIL, 2005

Type U-RAD-LT Electric Radiant Heaters

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.

			41/4” Dia.
311/16”			(Typ.)
				3/4” Pipe Tap on
	B			Back Side of
		A		Heater (Typ.)

Single Element U-RAD-LT

B

A

Double Element U-RAD-LT

	Housing
	Mounting
	Clamp
	Assembly
Terminal Box
Cover	Element
Terminal Box

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.

Specifications Table —

			A	B
			Overall	Heated
Model	Volts	Watts	Length (In.)	Length (In.)
	Single U-Shaped Element
U-RAD-2LT	120 or 240	0800	135/16	87/16
U-RAD-2VLT	208 or 275
U-RAD-3LT	120 or 240	1100	167/16	115/16
U-RAD-3VLT	208 or 275
U-RAD-4VLT	208 or 275	1800	243/8	193/8
U-RAD-4LT	240 or 480
U-RAD-5VLT	208 or 275	2500	3113/16	2613/16
U-RAD-5LT	240 or 480
U-RAD-6VLT	208 or 275	3000	3713/16	3213/16
U-RAD-6LT	240 or 480
U-RAD-7VLT	208 or 275	3600	4315/16	3815/16
U-RAD-7LT	240 or 480
	Two U-Shaped Elements
U-RAD-22LT	120 or 240	1600	261/8	165/8
U-RAD-22VLT	208 or 275
U-RAD-32LT	120 or 240	1900	291/4	193/4
U-RAD-32VLT	208 or 275
U-RAD-33LT	120 or 240	2200	323/8	227/8
U-RAD-33VLT	208 or 275
U-RAD-42VLT	208 or 275	2600	371/8	2711/16
U-RAD-42LT	240
U-RAD-43VLT	208 or 275	2900	401/4	3013/16
U-RAD-43LT	480
U-RAD-44VLT	208 or 275	3600	481/8	383/4
U-RAD-44LT	240 or 480
U-RAD-52VLT	208 or 275	3300	445/8	351/8
U-RAD-52LT	240
U-RAD-53VLT	208 or 275	3600	473/4	381/4
U-RAD-53LT	240
U-RAD-54VLT	208 or 275	4300	555/8	463/16
U-RAD-54LT	240 or 480
U-RAD-55VLT	208 or 275	5000	631/8	535/8
U-RAD-55LT	240 or 480
U-RAD-62VLT	208 or 275	3800	509/16	411/8
U-RAD-62LT	240
U-RAD-63VLT	208 or 275	4100	5311/16	441/4
U-RAD-63LT	240
U-RAD-64VLT	208 or 275	4800	619/16	523/16
U-RAD-64LT	240 or 480
U-RAD-65VLT	208 or 275	5500	691/16	595/8
U-RAD-65LT	240 or 480
U-RAD-66VLT	208 or 275	6000	75	655/8
U-RAD-66LT	240 or 480
U-RAD-72VLT	208 or 275	4400	5611/16	471/4
U-RAD-72LT	240
U-RAD-73VLT	208 or 275	4700	5913/16	503/8
U-RAD-73LT	240
U-RAD-74VLT	208 or 275	5400	6711/16	585/16
U-RAD-74LT	240 or 480
U-RAD-75VLT	208 or 275	6100	753/16	6511/16
U-RAD-75LT	240 or 480
U-RAD-76VLT	208 or 275	6600	817/16	721/16
U-RAD-76LT	240 or 480
U-RAD-77VLT	208 or 275	7200	871/4	777/8
U-RAD-77LT	240 or 480

© 2010 Chromalox, Inc.