Chromalox PG424-1 specifications PG424-2, Mounting

Installation, Operation

and

RENEWAL PARTS IDENTIFICATION

Please familiarize yourself with these instructions before attempting to install or connect this radiant heater

4	U-RP
(Supersedes PG424-1)	PG424-2

161-058090-001

JULY, 2006

Type U-RP Radiant Heater

				Specifications – Table A
								Dimensions (In.)
		4-5/8”						B	C	D
								Overall	Heated	Overall
				Model	Volts	kW	A	Length	Length	Height
				U-RP-410V	208 or 275	13.2	11-5/8	57-1/2	48	12
			A
				U-RP-410	240 or 480	13.2	11-5/8	57-1/2	48	12
				U-RP-420V	208 or 275	26.4	23-5/8	57-1/2	48	24
				U-RP-420	240 or 480	26.4	23-5/8	57-1/2	48	24
	11-3/8”
				U-RP-510V	208 or 275	18	11-5/8	75-1/2	66	12
				U-RP-510	240 or 480	18	11-5/8	75-1/2	66	12
D				U-RP-520V	208 or 275	36	23-5/8	75-1/2	66	24
				U-RP-520	240 or 480	36	23-5/8	75-1/2	66	24

C

B

4-1/2”

8-1/8”

1-5/8”

4-7/8”

Before installing

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

2.Check nameplate volt and watt rating against your power supply voltage and heating requirements of your installation. This name- plate is located on one end of the heater.

MOUNTING

1.Framing: Fabricate structural support using angle iron or contin- uous slot metal framing (manufactured by others). Dimension framing per Table B and Figure 1 for your size panel.

1-1/4” Conduit		Mtg. Bracket (Typ.)
Opening	1-5/32” x 9/16” Slot (Typ.)
A		I	D
	G	H
2-5/16”	F
Terminal Box Cover
	Figure 1 – Aluminum Extruded Section

Mounting – Table A

	No. of Mounting		Dimensions (In.)
Model	Brackets	F	G	H	I
U-RP-410V	2	44-3/4	—	—	8-5/8
U-RP-410
U-RP-420V	2	44-3/4	—	—	20-5/8
U-RP-420
U-RP-510V	3	62-3/4	32-1/4	30-1/2	8-5/8
U-RP-510
U-RP-520V	3	62-3/4	32-1/4	30-1/2	20-5/8
U-RP-520

2.Assembly: Position U-RP radiant panel on fabricated structural support and attach using 1/2” diameter bolts of suitable length (see Fig. 2).

Radiant Panel

Insulation

Structural	Bolt
Support

Figure 2 – Typical installation

3.Insulation: Where unusually high work temperatures are encoun- tered, it may be desirable to insulate backs of heaters with high temperature fibrous insulation. A suggested method of accom- plishing this is indicated in Figure 2.

© 2010 Chromalox, Inc.