Roberts Gorden BH15 service manual Blackheat U-Tube Layout Overviews

BLACKHEAT® INSTALLATION OPERATION AND SERVICE MANUAL

Figure 23: BLACKHEAT® U-Tube Layout Overviews

bc

gd

BH15 h

*Loose

LEGEND

Burner Box

Reflector

Tube

bc

Screw

Tube/Reflector Hanger

Reflector Support

g d f

BH20

BH25 h

Coupling Assembly

U-Tube

BH30

BH35 h

BH40

	*Loose	Tight
	Screw	Screw
	bc	Reflector
g	d	e

*Loose Screws -

loosened

2 mm (1/16")

to allow slippage.

	*Loose	Tight
	Screw	Screw
	bc
g	d	e	f

BH45

BH50 h

a= overall width (not shown) b = end cap to burner/fan

c = end cap to hanger

*Loose	Tight	*Loose
Screw	Screw	Screw

d = distance first hanger

e= distance typical between hangers f = distance between last full tube

hanger and half tube hanger

g= burner length h = burner height

	Reflector
	Overlap
Model	(approx.)	a	b	c	d	e	f	g
BH15	1780 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH20 ....	250 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH25	250 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH30....	580 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH35	580 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH40....	580 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH45	690 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH50....	690 mm	850 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm

26