Roberts Gorden BH15 service manual BH20, BH25, BH30, BH35, BH40, BH45, BH50, BH55

SECTION 7: LINEAR HEATER INSTALLATION

Figure 18: BLACKHEAT® Linear Layout Overviews -[BH55 Not Available]

bccb

g d e

BH15ST f

	*Loose	Tight
	Screw	Screw	cb
	bc
g	d	e	e

BH20ST

BH25ST f

	*Loose	Tight	*Loose
	bc Screw	Screw	Screw			cb
g	d	e		e	e

LEGEND

Burner Box

Reflector

Tube

Tube/Reflector

Hanger

Reflector Support

Coupling Assembly

Fan Assembly

Damper Assembly

BH30ST

BH35ST f

BH40ST

	*Loose	Tight	*Loose	Tight	*Loose
b	Screw	Screw	Screw	Screw	Screw	b
c						c

Reflector

g d e e e e

BH45ST

BH50ST f

*Loose	Tight	*Loose	Tight	*Loose	Tight
Screw	Screw	Screw	Screw	Screw	Screw

bc

g d e e e e

BH55ST f

*Loose Screws -

loosened

2 mm (1/16")

to allow slippage.

cb

e

*Loose	Tight	*Loose
Screw	Screw	Screw

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

c = end cap to hanger d = distance first hanger

Tight	*Loose	Tight	*Loose
Screw	Screw	Screw	Screw

e= distance typical between hangers f = burner height

g = burner length

	Reflector
	Overlap
Model	(approx.)	a	b	c	d	e	f	g
BH15	700 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH20..	250 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH25	250 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH30..	530 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH35	530 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH40..	530 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH45	330 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH50..	330 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm
BH55	200 mm	365 mm	50 mm	50 mm	2290 mm	3050 mm	366 mm	291 mm

15