Roberts Gorden HE25ST Clearances Data - U-Tube, U-Tube, Horizontal Mount, HE15UT, HE20UT, HE25UT

BLACKHEAT® HE INSTALLATION OPERATION AND SERVICE MANUAL

3.3 Clearances Data - U-Tube

NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses.

2.Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner.

3.All measurements are in millimeters.

4.Add 60 mm clearance to uncovered u-tube.

.

FIGURE 10: U-TUBE, HORIZONTAL MOUNT

B

A

C D

Model

A

B

C

D

HE15UT

150

890

1580

760

HE20UT

150

970

1730

940

HE25UT

150

970

1730

940

HE30UT

150

1020

1910

1000

HE35UT

150

1170

1980

1090

HE40UT

150

1220

2050

1150

HE45UT

200

1270

2110

1200

HE50UT

200

1380

2210

1300

FIGURE 11: U-TUBE, ONE SIDE REFLECTOR

	A	Model	HE15UT	HE20UT
		A	150	150
B	C	D
		B	230	230
		C	1580	1760
		D	1200	1380

HE25UT

150

230

1760

1380

HE30UT

150

230

1930

1500

HE35UT

150

230

2090

1660

HE40UT

150

230

2130

1710

HE45UT

200

230

2160

1760

HE50UT

200

230

2240

1860

FIGURE 12: U-TUBE, TWO SIDE REFLECTORS

A	Model	HE15UT	HE20UT
	A	150	150
B	D	590	640
C	B
	C	1660	1810
	D	590	640

HE25UT

150

640

1810

640

HE30UT

150

690

1960

690

HE35UT

150

820

2110

820

HE40UT

150

860

2160

860

HE45UT

200

890

2210

890

HE50UT

200

1020

2320

1020

FIGURE 13: U-TUBE, FULL 45° MOUNT

A

B D

C

Model

A

B

C

D

HE15UT

200

200

1500

1070

HE20UT

200

200

1650

1170

HE25UT

200

200

1650

1170

HE30UT

200

200

1860

1320

HE35UT

200

200

1960

1550

HE40UT

200

200

2040

1620

HE45UT

200

200

2110

1680

HE50UT

200

200

2160

1780

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