Roberts Gorden Gas Heater Linear Heater User Guide

SECTION 6: HEATER INSTALLATION  
FIGURE 15: Linear Heater Assembly Overview  
15  
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SECTION 6: HEATER INSTALLATION  
FIGURE 17: Linear Heater Layout Overview (Continued)  
b
c
g
d
e
e
e
e
e
f
60' (18.3 m) Tube Length  
b
c
g
d
e
e
e
e
e
e
f
70' (21. 3 m) Tube Length  
b
c
g
d
e
e
e
e
e
e
e
f
80' (24.4 m) Tube Length  
Step 6.1 Burner Tube Installation  
NOTE:  
Tubing requires a downward  
slope of 1/2" (13 mm)  
per 20' (6 m) away  
from burner.  
Offset mounting  
hole must be  
to the top.  
S-Hook  
Hanger  
Burner Tube  
Weld seam  
must be to the  
bottom of the tube.  
7' 6" ± 1'  
(229 cm ± 25 cm)  
Description  
Burner Tube  
S-Hook  
Part Number  
03051XXX  
91907302  
Tube/Reflector Hanger  
03090100  
17  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Step 6.2 Tube Clamp Package Installation  
Bolt  
Tube Clamp  
Flat  
Washer  
Nut  
(Torque 120 in/lb  
13.56 Nm)  
Description  
Tube Clamp Package  
Tube Clamp  
Bolt  
Flat Washer  
Nut  
Part Number  
01318901  
01396801  
97113940  
95211600  
92113900  
Step 6.3 Coupling and Tube Assembly  
Close coupling  
Awith tab.  
Start slide bar/coupling lock  
B onto coupling.  
Tab  
Slide Bar/Coupling Lock  
Wide End  
Coupling  
Open  
3" (8 cm) to  
4" (10 cm)  
Closed  
Insert tubes into coupling.  
Tighten coupling to join tubes.  
C
D
Slide Bar/Coupling Lock  
Coupling  
Orient coupling so that  
the impact block is in the  
2:00 or 10:00 o’clock  
positions.  
Tube  
Tube  
Description  
Coupling  
Part Number  
01329600  
Tube  
Slide Bar/Coupling Lock  
Tube  
01329700  
91409XXX  
18  
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SECTION 6: HEATER INSTALLATION  
Step 6.3.1 Coupling and Tube Assembly (Continued)  
Tighten slide bar as shown below.  
Drive slide bar until tight.  
End of slide bar should be  
within tolerance listed below.  
± 2" (5 cm)  
Correct slide bar  
dimensions  
Incorrect slide bar  
position  
• Repeat Step 6.3 A - D until all tubes are assembled. See Page 19, Step 6.3.2.  
Step 6.3.2 Coupling and Tube Assembly (Continued)  
Tube Length  
Minimum  
10' (3 m)  
Model  
BH-40  
BH-60  
BH-80  
20' (6 m)  
20' (6 m)  
30' (9 m)  
30' (9 m)  
40' (12 m)  
40' (12 m)  
50' (15 m)  
50' (15 m)  
60' (18 m)  
BH-100  
BH-115  
BH-125  
BH-140  
BH-150  
BH-175  
BH-200  
7' 6" 1'  
(2.3 m .25 m)  
10' 1'  
(3 m .25 m)  
Total Overall  
Tube Length  
19  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Step 6.4 Turbulator Installation  
Turbulator must be installed in the last  
standard section of tube. Turbulator is  
not required on the BH-125/150/175/200.  
T
t
w
i
Turbulator Installation  
s
Turbulator  
Section  
Model  
BH-40  
BH-60  
Tube Section  
1st 10' (3 m) Section  
2nd 10' (3 m) Section  
2nd 10' (3 m) Section  
3rd 10' (3 m) Section  
3rd 10' (3 m) Section  
N/A  
BH-80  
Turbulator  
Tab  
BH-100  
BH-115  
BH-125  
BH-140  
BH-150  
BH-175  
BH-200  
Adapter  
4th 10' (3 m) Section  
N/A  
N/A  
N/A  
Turbulator section 2.5'  
(76.2 cm) (stainless) used in  
BH-40 heaters must be in the  
section of turbulator nearest  
to the burner.  
Pull String  
Fold tab around outside  
of tube nearest to the vent to  
hold turbulator in place.  
Description  
Part Number  
03051503  
03051504  
03051505  
91409XXX  
Turbulator Adapter 2.5' (76.2 cm)  
Turbulator Section 2' (61 cm)  
Turbulator Section 2.5' (76.2 cm)(Stainless)  
Tube  
20  
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SECTION 6: HEATER INSTALLATION  
Step 6.5 Reflector Installation  
WARNING  
Fire Hazard  
Support reflector with reflector hanger  
and support strap.  
Reflector must not touch tube.  
Failure to follow these instructions can result  
in death, injury or property damage.  
NOTE: All tube surfaces must be covered  
by a reflector, except for a U-tube.  
Hanger  
Burner Tube  
Reflector  
Description  
Tube/Reflector Hanger  
Burner Tube  
Part Number  
03090100  
03051XXX  
02750303  
Reflector  
21  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Step 6.5.1 Reflector, U-Clip and Reflector Support Installation  
The pictorial drawings of the heater construction in  
and reflector supports are used. The positioning of  
Section 6 are schematic only and provide a general reflector supports and U-clips depend on the  
guideline of where hangers, reflector supports and  
U-clips are to be installed.  
individual installation. The following rules must be  
observed.  
To ensure proper expansion and contraction  
movement of the reflectors, a combination of U-clips  
1. The first reflector after the burner must be affixed in  
the middle of the reflector with a reflector support and  
tight screws.  
Tight  
Sheet Metal  
Screw  
Wire Form  
Reflector  
End Cap  
First Reflector  
Reflector Support  
Strap  
U-clips  
2 B  
Slip Overlap  
Overlap must be a  
minimum of " (16 cm).  
6"  
(16 cm)  
Reflector  
Reflector  
Support  
6
2. The overlap at the first and second reflector is a slip overlap.  
Thereafter, every third reflector joint is a slip overlap. A slip  
overlap is achieved by either:  
Loose screws  
loosened 1/16"  
(.16 cm) to allow  
slippage.  
a.) both reflectors lay inside a hanger.  
(No reflector support needed.)  
b.) using a reflector support with  
loose screws at the reflector  
2 A  
Slip Overlap  
overlap.  
3. The remaining reflector overlaps require a non-slip  
overlap connection. To affix the reflectors together in  
a non-slip overlap either:  
a.) use reflector support and tight screws.  
b.) if both reflectors lay inside a hanger, u-clips or  
sheet metal screws may be used.  
3 A  
Non-Slip Overlap  
Reflector  
This section of three reflectors joined together must  
be affixed to the tube with at least one reflector support  
with tight screws.  
Tight  
Screws  
3 B  
Non-Slip Overlap  
Description  
Reflector Support Package  
Wire Form  
Reflector Support Strap  
Screw #8 x 3/4"  
U-Clip Package  
Part Number  
03050010  
91908004  
03050000  
94320812  
91107720  
027508XX  
U-clip  
(2 Clips per  
Non-slip Overlap  
Inside a Hanger)  
Reflector End Cap  
22  
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SECTION 6: HEATER INSTALLATION  
Step 6.6 Burner Installation  
Extra chain min.  
12" (30 cm)  
S-hook  
Burner Tube  
Burner  
Gasket  
Lock  
Washer  
Bolt  
(Torque 120 in/lb  
13.56 Nm)  
Description  
Bolt  
Burner  
Lock Washer  
Gasket  
Part Number  
94273914  
071XXXXX  
96411600  
02568200  
23  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
SECTION 7: OPTIONAL HEATER ACCESSORIES  
WARNING  
Cut/Pinch Hazard  
Wear protective gear during installation,  
operation and service.  
Edges are sharp.  
Failure to follow these instructions can result  
in injury.  
7.1 U-Tube Configuration  
Heaters (except BH-40) are approved for optional  
U-tube configurations.  
The U-tube may be installed in either a standard  
horizontal position, a 45° position or in an opposite  
45° position as shown on Page 6, Figure 7 through  
Page 7, Figure 9. When using a U-tube configuration,  
the following additional rules must be adhered to:  
• A minimum of 10  
'
(3 m) on BH-60/80 and a  
minimum of 15 (4.5 m) on BH-100/115/125/140/  
'
150/175/200 is required between the burner and  
the U-tube.  
• The correct turbulator (See Page 20, Step 6.4)  
must be installed in the last standard section of  
the tube.  
• The burner must never be operated in a tilted  
position.  
• The heater must be properly supported at all  
locations. See Page 26, Figure 19.  
24  
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SECTION 7: OPTIONAL HEATER ACCESSORIES  
FIGURE 18: U-Tube Heater Assembly Overview  
U-tube  
Support Bracket  
Reflector  
Support  
Vent Adapter  
Burner  
Turbulator  
(With Select  
Models)  
Reflector  
Tube Clamp  
Package  
Tube  
Burner  
Tube  
U-tube, Standard  
Couplings  
U-clips  
1
2
Reflector  
End Caps  
U-tube,  
45°  
Tight U-bolt  
Loose U-bolt  
1
2
4" (10 cm) u-bolt,  
4" (10 cm) u-bolt,  
2
secured to burner tube  
with 1/4" (.6 cm)  
lockwashers and  
1/4"(.6 cm) -20 hex nuts. nuts on top and bottom to  
allow for tube expansion  
secured to bracket with  
1/4" (.6 cm) lockwashers  
and 1/4" (.6 cm)-20 hex  
U-tube  
and contraction.  
18" (46 cm)  
Center to Center  
1
U-tube,  
U-bolt  
Nut  
Opposite 45°  
Lock Washer  
Lock Washer  
Nut  
1
2
25  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
FIGURE 19: U-Tube Heater Layout Overview  
b
c
LEGEND  
g
e
Burner  
Reflector  
h
Tube 10' (3.0 m)  
Tube 5' (1.5 m)**  
20  
'
(6.1 m) Tube Length*  
Tube/Reflector  
Hanger  
b
c
g
d
f
Coupling  
Assembly  
U-tube  
Vent Adapter  
(Not Shown)  
h
30' (9.1 m) Tube Length**  
a = 14" (36 cm)  
Reflector Width (Not Shown)  
b = 2" (5 cm)  
End Cap to Burner  
b
c
g
d
e
c = 2" (5 cm)  
End Cap to Hanger  
d = 7  
'
6" (2.3 m)  
Distance First Hanger  
h
e = 10 (3.0 m)  
'
Distance Between Hangers  
40  
'
(12.2 m) Tube Length  
f = 5 (1.5 m)  
'
Distance Between Last Full Tube  
Hanger and Half Tube Hanger  
g = 12.5" (32 cm) Burner Length  
h = 11" (28 cm) Burner Height  
b
c
g
d
e
f
* Requires the last reflector  
before the u-tube to be cut in  
half for use on both sides.  
** Requires the last tube before  
the u-tube to be cut in half for  
use on both sides.  
h
50' (15.2 m) Tube Length* **  
26  
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SECTION 7: OPTIONAL HEATER ACCESSORIES  
FIGURE 20: U-Tube Layout Overview (Continued)  
b
c
g
d
e
e
h
60' (18.3 m) Tube Length  
b
c
g
d
e
e
f
h
70' (21.3 m) Tube Length**  
b
c
g
d
e
e
e
h
80' (24.4 m) Tube Length  
7.2 Elbow Package Configuration  
Step 7.2.1 Elbow Installation  
Tube  
Minimum Distance Required  
Between Burner and Elbow  
Coupling  
Minimum  
Distance  
Model  
BH-40  
BH-60  
10' (3 m)  
10' (3 m)  
BH-80  
10' (3 m)  
90° Elbow  
Description  
Elbow Package  
90° Elbow  
Part Number  
BH-100  
BH-115  
BH-125  
BH-140  
BH-150  
BH-175  
BH-200  
15' (4.5 m)  
15' (4.5 m)  
15' (4.5 m)  
15' (4.5 m)  
15' (4.5 m)  
15' (4.5 m)  
15' (4.5 m)  
02718702  
01335801  
01312700  
02750800  
02750900  
91107720  
Coupling  
Reflector End Cap  
Reflector Joint Piece  
U-Clip Package  
27  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Step 7.2.2 Elbow Installation  
Tube  
Coupling  
Step 7.2.3 Reflector Joint Installation  
Reflector  
Reflector  
Joint  
Flatten Edge  
Scribe  
Contour  
1" (2.5 cm)  
Maximum  
Step 7.2.4 Reflector Joint Installation  
Cut away contour  
with tin snips.  
Punch/drill six 3/32" (2 mm) holes.  
28  
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SECTION 7: OPTIONAL HEATER ACCESSORIES  
Step 7.2.5 Reflector Joint Detail  
Install reflector  
end cap.  
Attach reflector joint  
with six #8 sheet  
metal screws.  
FIGURE 21: Reflector Joint Detail  
Reflector  
Reflector  
Joint  
29  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
7.3 Reflector Side Extension  
Step 7.3.1 Bracket Installation  
Tube  
Reflector  
Tube and Reflector Hanger  
Reflector Support  
Reflector Side  
Extension Bracket  
(2 per Reflector)  
Use additional supports  
in high air movement  
applications.  
Description  
Part Number  
Reflector Side Extension Package  
Reflector Side Extension  
Retainer Clips  
02712700  
01368000  
02751200  
94118106  
Sheet Metal Screws  
Order Separately  
Reflector Side Extension Bracket  
01329910  
Step 7.3.2 Side Reflector Installation  
#8 x 3/8 (3.9 x 9.5 mm) Sheet Metal Screw  
Cut relief notches for  
supports and hangers.  
Retainer Clip  
(2 per Side)  
Reflector Side Extension  
30  
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SECTION 7: OPTIONAL HEATER ACCESSORIES  
7.4 Lower Clearance Shield Installation  
Step 7.4.1 Shield Support Strap Assembly  
Reflector  
12"  
(30 cm)  
17"  
(43 cm)  
Align Pilot Holes  
Lower Clearance Shield  
Locknuts  
Washers  
Screws  
Description  
Part Number  
Lower Clearance Shield Package  
Shield Support Strap  
Lower Clearance Shield 8' (2.4 m)  
Locknut #8  
Flat Washer #8  
Screw #8 x 3/8''  
01397501  
01397500  
02793000  
92311400  
95310800  
93511406  
7.5 Two-Foot Decorative Grille Installation  
Step 7.5.1 Grille Installation  
Tube and Reflector  
Hanger  
Reflector  
Tube  
2' x 4' (.6 m x 1.2 m) Aluminum Grille  
Suspended Ceiling Frame  
Description  
Aluminum Grille 2' x 4' (61 x 122 cm)  
Part Number  
91407000  
31  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Step 7.5.2 Frame Shield Installation  
Shield  
Description  
Part Number  
Deco Grille Shield  
01365900  
Step 7.5.3 Reflector Side Extension Installation for Decorative Grilles  
NOTE: If the decorative grille system is to  
be installed in an area with considerable  
air movement, it is recommended that one  
#8 x 3/8" sheet metal screw be installed per  
reflector extension to prevent it  
Cut relief notches for tube  
and reflector hangers.  
from blowing over.  
Insert screw  
here.  
A
Reflector Side  
Extension  
Distance "A"  
Extension  
Part No.  
Minimum  
Maximum  
6" (15 cm)  
10" (26 cm)  
14" (37 cm)  
Width  
2" (4 cm)  
6" (15 cm)  
10" (26 cm)  
01370408  
01370412  
01370416  
8" (20 cm)  
12" (30 cm)  
16" (40 cm)  
Description  
Reflector Side Extension  
Part Number  
01370412  
32  
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SECTION 7: OPTIONAL HEATER ACCESSORIES  
7.6 Protective Grille Installation  
Step 7.6.1 Silicone Cap Installation  
Silicone Cap  
Description  
Grille Section  
Grille End Cap  
Silicone Cap  
Part Number  
08050001  
08050002  
Grille  
Finger  
91915951-6P  
Step 7.6.2 Grille End Cap Installation  
B
D
A
Grille  
Grille End Cap  
C
Bend up 90°.  
Pull outward.  
Step 7.6.3 Grille Installation  
Reflector  
40"  
(101 cm)  
Final Grille  
Section  
Grille  
Grille  
End Cap  
33  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
SECTION 8: VENTING  
combustible wall must have an approved thimble  
to conform with the above listed codes.  
WARNING  
Vent pipe must be sloped downward away from the  
heater 1/2'' (1 cm) for every 20' (6 m).  
The heater may be individually vented or common  
vented. When venting horizontally, a maximum of two  
heaters can be commonly vented. See Page 37,  
Section 8.9. When venting vertically, a maximum of  
four heaters can be commonly vented. See Page 38,  
Section 8.10.  
Carbon Monoxide Hazard  
Heaters installed unvented must be interlocked  
with sufficient building exhaust.  
The heater may also be installed unvented in certain  
circumstances according to building ventilation  
codes. Refer to the above codes and Page 35,  
Section 8.2 for further information. Unvented  
operation also requires compliance with the  
clearances to combustibles given on Page 8, Figure  
12.  
Heaters must be installed according to the  
installation manual.  
Failure to follow these instructions can result  
in death or injury.  
WARNING  
The bottom of the vent or air intake terminal shall not  
be located less than 1' (0.3 m) above grade level.  
The vent shall not terminate less than 7' (2.1 m)  
above grade where located adjacent to public  
walkways.  
Cut/Pinch Hazard  
Vent terminal must be installed at a height sufficient  
to prevent blockage by snow, and building materials  
protected from degradation by flue gases.  
Wear protective gear during installation,  
operation and service.  
Edges are sharp.  
Secure all joints with #8 x 3/8 sheet metal screws.  
Seal all joints with high temperature silicone sealant.  
Failure to follow these instructions can result  
in injury.  
Vent terminal must be beyond any combustible  
overhang.  
8.1 Venting  
This heater must be vented in accordance with the  
rules contained in this manual and with the following  
national codes and any state, provincial or local  
codes which may apply:  
8.1.1 United States Requirements  
Vent must terminate at least 3' (0.9 m) above any  
forced air inlet located within 10' (3.1 m).  
United States: Refer to National Fuel Gas Code  
NFPA 54/ANSI Z223.1 - latest revision.  
Canada: Refer to Natural Gas and Propane  
Installation Code CSA B149.1 - latest revision.  
Vent must terminate at least 4' (1.2 m) below, 4'  
(1.2 m) horizontally from, or 1' (0.3 m) above any  
door, operable window, or gravity air inlet into any  
building.  
8.1.2 Canadian Requirements  
Exhaust end of heater will accept a 4'' (10 cm) vent  
pipe using the vent adapter (P/N 90502700). To  
prevent leakage of condensation, install the vent  
adapter with the seam on top and seal the joint using  
a high temperature silicone sealant.  
The vent shall not terminate within 6' (1.8 m) of a  
mechanical air supply inlet to any building.  
The vent shall not terminate within 3' (0.9 m) of a  
window or door that can be opened in any building,  
any non-mechanical air supply inlet to any building,  
or of the combustion air inlet of any other appliance.  
Any portion of vent pipe passing through a  
34  
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SECTION 8: VENTING  
8.2 Unvented Operation  
FIGURE 22: Tube Termination  
Sufficient ventilation must be provided in the amount  
of 4 cfm per 1000 Btu/h firing rate (United States); 3  
cfm per 1000 Btu/h firing rate (Canada).  
Use of optional outside combustion air is not  
recommended with unvented heaters.  
If exhaust fans are used to supply ventilation air, an  
interlock switch must be used to prevent the heater  
from coming on when the fans are off. This may be  
done using a pressure switch.  
8.6 Length Requirements  
The maximum vent length allowed is 45' (13.7 m).  
The maximum outside air supply duct length allowed  
is 45' (13.7 m).  
The total vent length, plus outside air duct length,  
plus any extensions to minimum heat exchanger  
lengths, cannot exceed 65' (19.8 m).  
WARNING  
Combustion by-products contain a chemical  
known to the State of California to cause  
cancer and birth defects or other  
reproductive harm.  
Vent length should be limited to less than 20' (6 m). If  
using vent lengths greater than 20' (6 m),  
8.3 Horizontal Venting  
condensation will form in the vent pipe. Insulation  
and additional sealing measures (high temperature  
silicone at all seams) are required. Optional heat  
exchanger beyond minimum lengths is considered as  
vent length for length determination.  
In noncombustible walls only, vent terminal  
(P/N 02537801-1P) may be used.  
For 4" (10 cm) vents in either combustible or  
noncombustible walls, use Tjernlund VH1-4 (P/N  
90502100) or equivalent, insulated vent terminal.  
Follow the manufacturer's instructions for proper  
installation.  
Subtract 15' (4.6 m) of maximum allowed vent or duct  
length per vent elbow if more than two are used.  
For 6" (15 cm) common vents in either combustible  
or noncombustible walls, use Tjernlund VH1-6 (P/N  
90502101) or equivalent, insulated vent terminal.  
Follow the manufacturer's instructions for proper  
installation.  
8.4 Vertical Venting  
For 4'' (10 cm) common vent, an approved vent cap  
(P/N 90502300) must be used.  
For 6'' (15 cm) common vent, an approved vent cap  
(P/N 90502302) must be used.  
For common vertical venting of more than two  
heaters, See Page 38, Section 8.10.  
A vent shall not extend less than 2' (0.6m) above the  
highest point where it passes through a flat roof of a  
building.  
8.5 Unvented Operation Tube Termination  
Turndown type vent terminal with a screen must be  
installed at the exhaust end of the tube. Vent terminal  
design shall not incorporate backdraft flap.  
35  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
8.7 Horizontal Ventilation 4'' (10 cm) Pipe  
SIDE VIEW  
Combustible or  
Non-Combustible Wall  
Non-Combustible Wall Only  
Vent Adapter  
Vent Adapter  
18" (46 cm)  
Min.  
4" (10 cm)  
Single Wall Pipe  
Vent Terminal  
4" (10 cm) Single Wall Pipe  
Vent Terminal  
Description  
Vent Terminal (Comb. Wall)  
Vent Terminal  
Part Number  
90502100  
02537801-XX  
90505600  
Wall Thimble 4" (10 cm)  
8.8 Vertical Ventilation 4'' (10 cm) Pipe  
4" (10 cm) Type "B" vent cap  
SIDE VIEW  
4" (10 cm) Type "B" vent pipe  
Roof  
Flashing  
18" (46 cm)  
Min.  
Roof  
Approved  
Thimble  
The last section of vent pipe  
passing through the roof or  
wall may be Type "B" vent pipe.  
All other vent materials in the  
building must be single wall  
vent pipe.  
(If Applicable)  
Vent Adapter  
4" (10 cm) Single Wall Pipe  
Description  
Vent Cap 4" (10 cm)  
Part Number  
90502300  
36  
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SECTION 8: VENTING  
8.9 Common Side Wall Venting  
TOP VIEW  
Vent Terminal  
Tjernlund VH1-6 or Equivalent  
Outside Wall  
Sweeping 'T'  
Connection  
6" (15 cm) Single Wall Pipe  
Vent Adapter  
Vent Adapter  
Vent Adapter  
4" (10 cm) Single Wall Pipe  
Vent Terminal  
Tjernlund VH1-6 or Equivalent  
Outside Wall  
6" (15 cm) Single Wall Pipe  
Sweeping 'Y'  
Connection  
4" (10 cm) Single Wall Pipe  
4" (10 cm) Single Wall Pipe  
Description  
Vent Terminal 6" (15 cm)  
Part Number  
90502101  
Vent Adapter  
Requirements:  
• Maximum of two heaters can be commonly  
vented through a side wall.  
• Heaters must be of the same BTU output.  
• Heaters must be controlled by a common  
thermostat.  
37  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
8.10 Common Vertical Venting  
Requirements:  
• Maximum of four heaters can be commonly  
vented through the roof.  
• Heaters must be of the same BTU output.  
• Heaters must be controlled by a common  
thermostat.  
• Connections to a common stack must be  
positioned to avoid direct opposition between  
streams of combustion gases.  
38  
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SECTION 8: VENTING  
8.11 Outside Combustion Air Supply  
8.11.1 Length Requirements  
Follow the constraints listed on Page 35, Section 8.6.  
IMPORTANT: If the building has a slight negative  
pressure or corrosive contaminants, such as  
halogenated hydrocarbons, are present in the air, an  
outside combustion air supply to the heater is  
required. Seal all combustion air pipe joints.  
Use of optional outside combustion air is not  
recommended with unvented heaters.  
The air supply duct may have to be insulated to  
prevent condensation on the outer surface. The  
outside air terminal must not be more than 1' (31 cm)  
above the vent terminal.  
8.11.2 Vertical Outside Air Supply for Single Heater Installation  
Vent Cap  
18" (46 cm)  
Min.  
Roof  
Flex Hose  
(Recommended)  
4" (10 cm)  
Single Wall Pipe  
Burner  
Band Clamp  
(Recommended)  
Description  
Part Number  
Vent Cap 4" (10 cm)  
90502300  
8.11.3 Horizontal Outside Air Supply for Single Heater Installation  
4" (10 cm)  
Single Wall Pipe  
Vent Cap  
Flex Hose  
(Recommended)  
Burner  
Band Clamp  
(Recommended)  
Description  
Part Number  
Vent Cap 4" (10 cm)  
90502300  
39  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
8.11.4 Vertical Outside Air Supply for Double Heater Installation  
Vent Cap  
Roof  
6" (15 cm) Single Wall Pipe  
Sweeping 'T'  
Connection  
Flex Hose  
(Recommended)  
Burner  
Burner  
4" (10 cm)  
Single Wall Pipe  
Flex Hose  
(Recommended)  
Band Clamp  
(Recommended)  
Description  
Part Number  
Vent Cap 6" (15 cm)  
90502302  
Requirements:  
• Heaters must be controlled by a common thermostat.  
8.11.5 Horizontal Outside Air Supply for Double Heater Installation  
6" (15 cm) Single Wall Pipe  
Flex Hose  
(Recommended)  
Vent Cap  
Burner  
Sweeping 'Y'  
Connection  
4" (10 cm) Single Wall Pipe  
(Seal All Joints)  
Burner  
Band Clamp  
(Recommended)  
Description  
Part Number  
Vent Cap 6" (15 cm)  
90502302  
Requirements:  
• Heaters must be controlled by a common thermostat.  
40  
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SECTION 9: GAS PIPING  
SECTION 9: GAS PIPING  
Install the gas hose as shown in Figure 23. The gas  
hose accommodates expansion of the heating  
system and allows for easy installation and service of  
the burner. Before connecting the burners to the  
supply system, verify that all high pressure testing of  
the gas piping has been completed.  
WARNING  
There is an expansion of the tube with each firing  
cycle; this will cause the burner to move with respect  
to the gas hose. This can cause a gas leak resulting  
in an unsafe condition if the gas connection is not  
made strictly in accordance with Figure 23.  
Meter and service must be large enough to handle all  
the burners being installed plus any other connected  
load. The gas hose which feeds the system must be  
large enough to supply the required gas with a  
maximum pressure drop of 1/2" w.c. When gas piping  
is not included in the layout drawing, the local gas  
supplier will usually help in planning the gas piping.  
Fire Hazard  
Tighten gas hose fittings to connect gas  
supply according to Figure 23.  
Gas hose can crack when twisted.  
Gas hose moves during normal operation.  
Use only 36" (91 cm) long connector of 1/2" or  
3/4" nominal ID.  
Gas lines must meet applicable codes:  
Connector supplied with heater for U.S.  
models (not with Canadian models).  
United States: The Flexible Stainless Steel Gas  
Hose (US models) supplied with the heater is certi-  
fied per the Standard for Connectors for Gas Appli-  
ances, ANSI Z21.24/CSA 6.10 - latest revision.  
Canada: The Rubber Type 1 Gas Hose (Canadian  
models) optional with the heater is certified as being  
in compliance with the Standard for Elastomeric  
Composite Hose and Hose Couplings for Conducting  
Propane and Natural Gas, CAN/CGA 8.1 - Latest  
revision.  
Failure to follow these instructions can result  
in death, injury or property damage.  
WARNING  
• Check the pipe and tubing ends for leaks  
before placing heating equipment into  
service. When checking for gas leaks, use a  
soap and water solution; never use an open  
flame.  
Explosion Hazard  
Leak test all components of gas piping  
before operation.  
Gas can leak if piping is not installed prop-  
erly.  
Do not high pressure test gas piping with  
burner connected.  
Failure to follow these instructions can result  
in death, injury or property damage.  
41  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
FIGURE 23: Gas Connection with Flexible Gas Hose  
CORRECT POSITIONS  
CAUTION  
Product Damage Hazard  
Shut-Off Valve (included with gas hose) must  
Hold gas nipple securely with pipe wrench  
when attaching gas hose.  
be parallel to burner gas inlet. The 3" (8 cm)  
displacement shown is for the cold condition.  
This displacement may reduce when the  
system is fired.  
Failure to follow these instructions can result  
in product damage.  
Vertical (as shown left)  
45°  
45°  
3" (8 cm)  
max. displacement  
12"  
(30 cm)  
Rear View  
Side View  
Alternate  
positions  
okay  
Flexible Gas Hose  
36" (91 cm) length  
90° Pipe Elbow  
(Not Included)  
Pipe Nipple  
Burner Assembly  
(Shown Without Blower Assembly)  
Heater Movement  
INCORRECT POSITIONS (WRONG INSTALLATION)  
Heater Movement  
Heater Movement  
Heater Movement  
Heater Movement  
Description  
Part Number  
91412200  
91412204  
91412206  
91412207  
1/2" Flexible Stainless Steel Gas Hose (US Models)  
3/4" Flexible Stainless Steel Gas Hose (US Models)  
1/2" Rubber Type 1 Gas Hose (Canadian Models)  
3/4" Rubber Type 1 Gas Hose (Canadian Models)  
42  
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SECTION 10: WIRING  
SECTION 10: WIRING  
Heaters can be controlled using several methods.  
Normally thermostats are used to control the heaters  
but they can also be controlled by an energy  
management system. Section 10.1 illustrates the  
connection for heaters controlled by a line voltage  
thermostat.  
DANGER  
For heaters on a low voltage thermostat, See Page  
44, Section 10.2. Heaters must be grounded in  
accordance with applicable codes: United States:  
Refer to National Electrical Code NFPA 70 - latest  
revision; Canada: Refer to Canadian Electrical Code  
CSA C22.1 Part I - latest revision.  
Electrical Shock Hazard  
®
Disconnect electric before service or  
maintenance.  
Heater must be connected to a properly  
grounded electrical source.  
If any of the original internal wiring must be replaced,  
it must be replaced with wiring materials having a  
temperature rating of at least 105°C and 600 volts.  
Failure to follow these instructions can  
result in death or electrical shock.  
10.1 Line Voltage Thermostat Wiring  
Line Voltage Thermostat  
120 V-60 Hz  
Supply Circuit  
L1  
L2  
Additional  
Burners  
N
H
N
H
Gnd.  
Gnd.  
Gnd.  
Maximum 5 Burners  
Per Thermostat  
Burner 1  
Burner 2  
43  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
10.2 Low Voltage Thermostat Wiring  
FRONT VIEW  
BACK VIEW  
SPSTTransformer Relay  
Low Voltage Thermostat  
R
C
1
3
2
5
6
4
W
G
COIL  
Y
COIL  
Black  
Black  
120 V-60 Hz  
Supply Circuit  
Red  
White  
L1  
L2  
Additional  
Burners  
H
N
N
H
Gnd.  
Gnd.  
Gnd.  
Maximum 8 Burners  
Per Relay  
Burner 2  
Burner 1  
Description  
SPST Transformer Relay  
Low Voltage Thermostat  
Part Number  
90417600  
90425100  
44  
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SECTION 10: WIRING  
10.3 Internal Wiring  
DSI Ignition Module  
BLUE  
24 V A/C  
Electrode  
BLACK  
Flame Sense  
YELLOW Ground  
BROWN Main Valve  
Pressure Switch  
NO  
BLUE  
BLACK  
C
BLUE  
BROWN  
YELLOW  
YELLOW  
GREEN  
Transformer  
YELLOW  
BLACK  
WHITE  
Gas Valve  
GREEN  
G
Burner Ground  
Blower Connection  
N
L
GREEN  
WHITE  
BLACK  
L2  
120 V-60 Hz  
L1  
Electrical Connection  
Motor/Blower  
45  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
10.4 Ladder Diagram  
Power Supply  
120 V - 60 Hz  
Blower  
120 V  
Transformer  
24 V  
Pressure  
Switch  
Ground  
Power  
Sense  
Spark  
Gap  
Valve  
Ignition Module  
GasValve  
Electrode  
10.5 Electrical Connection to the Burner  
Connect wires together with  
suitable approved wire connections.  
White  
Black  
Green  
L1  
Green to Gnd.  
White to L2  
Black to L1  
L2  
Gnd.  
Internal Wire Bundle  
Burner Box  
Electrical Cord or  
Flexible Conduit  
Conduit Hole  
BX or Romex Connector  
46  
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SECTION 11: OPERATION AND MAINTENANCE  
SECTION 11: OPERATION AND MAINTENANCE  
WARNING  
DANGER  
Electrical Shock Hazard  
Explosion Hazard  
Burn Hazard  
Cut/Pinch Hazard  
Turn off gas supply to Allow heater to cool  
heater before service before service or  
Wear protective gear  
during installation,  
operation and service.  
Disconnect electric  
before service or  
maintenance.  
or maintenance.  
maintenance.  
Edges are sharp.  
Tubing may still be hot  
after operation.  
Heater must be  
connected to a properly  
grounded electrical  
source.  
Failure to follow these instructions can result in death, electric shock, injury or property damage.  
raising it again to desired temperature, or by  
This heater is equipped with a direct spark ignition  
system.  
disconnecting power and then reconnecting.  
8. When thermostat is satisfied, all power to the  
unit is shut off.  
11.1 Sequence of Operation  
1. Turn the thermostat up. When the thermostat  
calls for heat, the blower motor will energize.  
11.2 To Shut Off Heater  
Set thermostat to lowest setting.  
Turn OFF electric power to heater.  
Turn OFF manual gas valve in the heater supply line.  
2. When the motor approaches nominal running  
RPM, the pressure switch closes and activates  
the ignition module.  
11.3 To Start Heater  
3. After a 45 second prepurge, the ignition module  
then opens the gas valve and energizes the  
spark igniter.  
Turn gas valve and electric power OFF and wait five  
minutes for unburned gases to vent from heater.  
Turn ON main gas valve.  
Turn ON electric power.  
Set thermostat to desired temperature.  
Burner should light automatically.  
4. When the flame is established, the sparking  
sequence ceases.  
5. If the flame is not established during the ignition  
sequence, the ignition module closes the gas  
valve and purge begins. Module will try 2  
additional times for ignition (with purges in  
between trials). If ignition is not established, the  
module will lockout.  
11.4 Pre-Season Maintenance and Annual  
Inspection  
To ensure your safety and years of trouble-free  
operation of the heating system, service and annual  
inspections must be done by a contractor qualified in  
the installation and service of gas-fired heating  
equipment.  
Turn off gas and electric supplies before performing  
service or maintenance. Allow heater to cool before  
servicing.  
Before every heating season, a contractor qualified in  
the installation and service of gas-fired heating  
equipment must perform a thorough safety  
inspection of the heater.  
6. If the flame extinguishes during operation, the  
ignition module will attempt the multiple trial  
sequence described in step 5. If ignition is not  
re-established, the module will lockout for one  
hour or until reset.  
7. After lockout, the control can be reset by turning  
down thermostat for five seconds, and then  
47  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
For best performance, the gas, electrical, thermostat  
connections, tubing, venting, suspensions and  
overall heater condition should be inspected  
thoroughly.  
NOTE: Gas flow and burner ignition are among the  
first things that should be inspected.  
Please see Page 49, Section 11.5 for suggested  
items to inspect.  
48  
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SECTION 11: OPERATION AND MAINTENANCE  
11.5 Maintenance Checklist  
Installation Code and Annual Inspections:  
All installation and service of ROBERTS GORDON  
equipment must be performed by a contractor  
qualified in the installation and service of equipment inspections of your ROBERTS GORDON equipment  
sold and supplied by Roberts-Gordon and conform to and perform service where necessary, using only  
To help facilitate optimum performance and safety,  
Roberts-Gordon recommends that a qualified  
®
contractor conduct, at a minimum, annual  
®
all requirements set forth in the ROBERTS  
replacement parts sold and supplied by Roberts-  
®
GORDON manuals and all applicable governmental Gordon.  
authorities pertaining to the installation, service and  
operation of the equipment.  
The Vicinity of the Heater Do not store or use flammable objects, liquids or vapors near the heater.  
Immediately remove these items if they are present.  
See Page 4, Section 3.  
Vehicles and Other  
Objects  
Maintain the clearances to combustibles.  
Do not hang anything from, or place anything on, the heater.  
Make sure nothing is lodged underneath the reflector, in between the tubes or  
in the decorative or protective grilles (included with select models).  
Immediately remove objects in violation of the clearances to combustibles.  
See Page 4, Section 3.  
Reflector  
Vent Pipe  
Support reflector with reflector hanger and support strap.  
Reflector must not touch tube.  
Make sure there is no dirt, sagging, cracking or distortion.  
Do not operate if there is sagging, cracking or distortion.  
Make sure reflectors are correctly overlapped. See Page 22, Section 6.5.1.  
Clean outside surface with a damp cloth.  
Venting must be intact. Using a flashlight, look for obstructions, cracks on the  
pipe, gaps in the sealed areas or corrosion.  
The area must be free of dirt and dust.  
Remove any carbon deposits or scale using a wire brush.  
See Page 34, Section 8.  
Outside Air Inlet  
Tubes  
Inlet must be intact. Look for obstructions, cracks on the pipe, gaps in the  
sealed areas or corrosion.  
The area must be free of dirt and dust. Clean and reinstall as required.  
Make sure there are no cracks.  
Make sure tubes are connected and suspended securely.  
See Page 13, Section 6.  
Make sure there is no sagging, bending or distortion.  
Clean or replace as required.  
Gas Line  
Check for gas leaks. See Page 41, Section 9.  
Burner Observation  
Window  
Make sure it is clean and free of cracks or holes.  
Clean and replace as required.  
Blower Scroll, Wheel and Compressed air or a vacuum cleaner may be used to clean dust and dirt.  
Motor  
49  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Burner Cup and Orifice  
Electrode  
Clear of obstructions (even spider webs will cause problems).  
Carefully remove any dust and debris from the burner.  
Replace if there are cracked ceramics, excessive carbon residue, or erosion  
of the electrode.  
The electrode gap should be 1/8" (3.2 mm).  
Thermostat  
There should be no exposed wire or damage to the thermostat.  
See Page 43, Section 10.  
Suspension Points  
Make sure the heater is hanging securely. Look for signs of wear on the chain  
or ceiling.  
See Page 14, Figure 14.  
Decorative and Protective The grille must be securely attached.  
Grille (optional)  
Check that the side reflector extensions are installed correctly and secured in  
place if necessary. (Decorative grille only.)  
See Page 31, Section 7.5 and Page 33, Section 7.6  
Make sure shield is installed correctly and secured in place if necessary.  
(Decorative grille only.) See Page 32, Section 7.5.2.  
Lower Clearance Shield  
(optional)  
The lower shield must be securely attached. Inspect shield support straps  
and lower clearance shield anchor points.  
See Page 31, Section 7.4.  
Make sure shield is installed correctly and secured in place if necessary.  
See Page 31, Section 7.4.  
Wall Tag  
If wall tag is present, make sure it is legible and accurate. Please contact  
Roberts-Gordon LLC or your ROBERTS GORDON independent distributor,  
®
if you need a wall tag. See Page 3, Section 2.1  
50  
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SECTION 12: TROUBLESHOOTING  
SECTION 12: TROUBLESHOOTING  
DANGER  
Electrical Shock Hazard  
Disconnect electric before service or  
maintenance.  
Heater must be connected to a properly  
grounded electrical source.  
Failure to follow these instructions can  
result in death or electrical shock.  
WARNING  
Fire Hazard  
Explosion Hazard  
Burn Hazard  
Cut/Pinch Hazard  
Keep all flammable  
objects, liquids and  
vapors the minimum  
required clearances to  
combustibles away  
from heater.  
Turn off gas supply to Allow heater to cool  
heater before service before service or  
Wear protective gear  
during installation,  
operation and service.  
or maintenance.  
maintenance.  
Edges are sharp.  
Tubing may still be hot  
after operation.  
Some objects will catch  
fire or explode when  
placed close to heater.  
Failure to follow these instructions can result in death, injury or property damage.  
51  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
12.1 Troubleshooting Flow Chart  
52  
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SECTION 12: TROUBLESHOOTING  
53  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
12.2 Manifold Gas Pressure Setting  
TopView of Heater  
6
5
4
3
2
1
0
1
2
3
4
5
6
6
5
4
3
2
1
0
1
2
3
4
5
6
Manometer  
3.5"  
10.5"  
Natural  
Propane  
54  
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SECTION 13: REPLACEMENT PARTS  
SECTION 13: REPLACEMENT PARTS  
WARNING  
DANGER  
Electrical Shock Hazard  
Explosion Hazard  
Carbon Monoxide Hazard  
Fire Hazard  
Use only genuine ROBERTS GORDON® replacement parts per this installation, operation and  
service manual.  
Failure to follow these instructions can result in death, electric shock, injury or property damage.  
55  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
Blower Assemby  
DSI Ignition Module  
Blower Outlet Gasket  
REARVIEW  
TOP VIEW  
Tube Gasket  
Electrode  
Pressure Switch  
Mica Window Assembly  
Burner Cup Assembly  
Transformer  
Gas Valve  
56  
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SECTION 13: REPLACEMENT PARTS  
Description  
Part Number  
02553203  
02558501  
02568200  
03020100  
90032500  
90032502  
90427400  
90439500K  
90436900K  
Mica Window Assembly  
Electrode Gasket  
Tube Gasket  
Burner Cup Assembly  
Gas Valve (Natural)  
Gas Valve (LP)  
Electrode  
DSI Ignition Module  
Transformer  
Pressure Switch  
(200)  
(115, 140, 175)  
(150)  
(60, 80, 100, 125)  
(40)  
Motor/Blower Assembly  
Blower Outlet Gasket  
90439801K  
90439802K  
90439803K  
90439805K  
90439808K  
90709700-P  
90709801  
57  
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BH-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL  
SECTION 14: GENERAL SPECIFICATIONS  
14.1 Material Specifications  
14.1.1 Reflectors  
14.3 Suspension Specifications  
Hang heater with materials with a minimum working  
load of 75 lbs (33 kg). See Page 14, Figure 14.  
.024 Aluminum  
(Optional .024 Stainless Steel Type 304)  
14.4 Controls Specifications  
14.2 Heater Specifications  
14.2.1 Ignition  
Time switches, thermostats, etc. can be wired into  
the electrical supply. External controls supplied as an  
optional extra.  
Fully automatic spark ignition with safety shut-off.  
General Specifications for BH-Series heaters are as follows:  
End View  
Side View  
Reflector  
12.5"  
(32 cm)  
Turbulator (select models)  
Burner Tube  
Minimum Length A  
12.5"  
(32 cm)  
11"  
(28 cm)  
Recommended  
Minimum Mounting Height*  
Heat Input Rate  
Length A”  
Model  
(Btu/h) x (1000)  
Minimum  
10' (3 m)  
20' (6 m)  
20' (6 m)  
30' (9 m)  
30' (9 m)  
40' (12 m)  
40' (12 m)  
50' (15 m)  
50' (15 m)  
60' (18 m)  
Space  
Spot  
BH-40  
BH-60  
40  
60  
8-10' (2.4 - 3 m)  
10-12' (3 - 3.6 m)  
12-15' (3.6 - 4.5 m)  
12-15' (3.6 - 4.5 m)  
15-20' (4.5 - 6 m)  
15-20' (4.5 - 6 m)  
20-25' (6 - 7.6 m)  
20-25' (6 - 7.6 m)  
25' (7.6 m)  
8'(2.4 m)  
9' (2.7 m)  
11' (3.3 m)  
12' (3.7 m)  
15' (4.6 m)  
15' (4.6 m)  
20' (6.1 m)  
20' (6.1 m)  
23' (7 m)  
BH-80  
80  
BH-100  
BH-115  
BH-125  
BH-140  
BH-150  
BH-175  
BH-200  
100  
115  
125  
140  
150  
175  
200  
25' (7.6 m)  
25' (7.6 m)  
*See Page 4, Section 3 for clearances to combustibles.  
GAS PRESSURE AT MANIFOLD:  
GAS INLET PRESSURE:  
Natural Gas:  
Natural Gas:  
3.5" wc  
LP Gas:  
PIPE CONNECTION:  
1/2" NPT (for BH-40, 60, 80, 100, 115 & 125)  
3/4" NPT (for BH- 140, 150,175 & 200)  
DIMENSIONS:  
10.5" wc  
for BH-40, 60, 80, 100,  
115, 125, 140, 150  
for BH-175, 200  
4.6" wc Minimum  
5.0" wc Minimum  
14.0" wc Maximum  
11.0" wc Minimum  
14.0" wc Maximum  
LP Gas:  
Vent Connection Size:  
4" (10 cm)  
Outside Air Connection Size: 4" (10 cm)  
Refer to figure above for dimensional information.  
ELECTRICAL RATING (ALL MODELS):  
120 V - 60 Hz, 1 A  
58  
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®
®
SECTION 15: THE ROBERTS GORDON GORDONRAY BH WARRANTY  
®
The data plate and/or serial number are removed,  
defaced, modified or altered in any way.  
SECTION 15: THE ROBERTS GORDON  
®
GORDONRAY BH WARRANTY  
®
The ownership of the ROBERTS GORDON  
ROBERTS-GORDON LLC WILL PAY FOR:  
®
GORDONRAY BH is moved or transferred. This warranty  
is non-transferable.  
Within 36 months from date of purchase by buyer or 42  
months from date of shipment by Roberts-Gordon LLC  
(whichever occurs first), replacement parts will be  
provided free of charge for any part of the product which  
fails due to a manufacturing or material defect.  
Roberts-Gordon LLC will require the part in question to be  
returned to the factory. Roberts-Gordon LLC will, at its sole If you have questions about your equipment, contact your  
discretion, repair or replace after determining the nature of installing professional. Should you need Replacement  
Roberts-Gordon LLC is not permitted to inspect the  
damaged equipment and/or component parts.  
READ YOUR INSTALLATION, OPERATION AND  
SERVICE MANUAL.  
the defect and disposition of part in question.  
Parts or have additional questions, call or write:  
ROBERTS GORDON® Replacement Parts are warranted  
for a period of 12 months from date of shipment from  
Roberts-Gordon LLC or the remaining ROBERTS  
GORDON® GORDONRAY® BH warranty.  
Roberts-Gordon LLC  
1250 William Street  
P. O. B ox 4 4  
Buffalo, New York 14240-0044  
716.852.4400  
On the web at: www.rg-inc.com  
ROBERTS-GORDON LLC WILL NOT PAY FOR:  
Service trips, service calls and labor charges.  
Shipment of replacement parts.  
Claims where the total price of the goods have not  
been paid.  
Damage due to:  
• Improper installation, operation or maintenance.  
• Misuse, abuse, neglect, or modification of the  
ROBERTS GORDON GORDONRAY BH in any  
way.  
• Use of the ROBERTS GORDON GORDONRAY  
Roberts-Gordon LLC's liability, and your exclusive  
remedy, under this warranty or any implied warranty  
(including the implied warranties of merchantability  
and fitness for a particular purpose) is limited to  
providing replacement parts during the term of this  
warranty. Some jurisdictions do not allow limitations on  
how long an implied warranty lasts, so this limitation may  
not apply to you. There are no rights, warranties or  
conditions, expressed or implied, statutory or otherwise,  
other than those contained in this warranty.  
®
®
®
®
BH for other than its intended purpose.  
• Incorrect gas or electrical supply, accident, fire,  
floods, acts of God, war, terrorism, or other casualty.  
• Improper service, use of replacement parts or  
accessories not specified by Roberts-Gordon.  
Roberts-Gordon LLC shall in no event be responsible  
for incidental or consequential damages or incur  
liability for damages in excess of the amount paid by  
you for the ROBERTS GORDON GORDONRAY BH .  
Some jurisdictions do not allow the exclusion or limitation  
of incidental or consequential damages, so this limitation  
or exclusion may not apply to you. This warranty gives you  
specific legal rights, and you may also have other rights  
which vary from jurisdiction to jurisdiction.  
®
®
• Failure to install or maintain the  
®
®
ROBERTS GORDON GORDONRAY BH as  
directed in the Installation, Operation and Service  
Manual.  
®
• Relocation of the ROBERTS GORDON  
®
GORDONRAY BH after initial installation  
• Use of the ROBERTS GORDON GORDONRAY  
Roberts-Gordon LLC shall not be responsible for failure to  
perform under the terms of this warranty if caused by  
circumstances out of its control, including but not limited to  
war, fire, flood, strike, government or court orders, acts of  
God, terrorism, unavailability of supplies, parts or power.  
No person is authorized to assume for Roberts-Gordon  
LLC any other warranty, obligation or liability.  
®
®
BH in a corrosive atmosphere containing  
contaminants.  
• Use of the ROBERTS GORDON GORDONRAY  
®
®
BH in the vicinity of a combustible or explosive  
material.  
LIMITATIONS ON AUTHORITY OF  
REPRESENTATIVES:  
No representative of Roberts-Gordon LLC, other than an  
Executive Officer, has authority to change or extend these  
provisions. Changes or extensions shall be binding only if  
confirmed in writing by Roberts-Gordon LLC's duly  
authorized Executive Officer.  
®
• Any defect in the ROBERTS GORDON  
®
GORDONRAY BH arising from a drawing, design,  
or specification supplied by or on behalf of the  
consumer.  
• Damage incurred during shipment. Claim must be  
filed with carrier.  
WARRANTY IS VOID IF:  
The ROBERTS GORDON® GORDONRAY® BH is not  
installed by an contractor qualified in the installation and  
service of gas fired heating equipment.  
You cannot prove original purchase date and required  
annual maintenance history.  
59  
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®
OWNER WARRANTY REGISTRATION CARD  
Mail or Fax to:  
Roberts Gordon LLC •1250 William Street, P.O. Box 44 • Buffalo, NY 14240-0044 • Phone: 716-852-4400 • Fax: 716-852-0854  
Toll Free: 800-828-7450 • www.rg-inc.com  
About the Owner:  
Name:__________________________________________________________________________________________________  
Address:______________________________________City:_________________________State:__________Zip Code:________  
Phone:_________________________ Fax:_________________________ E-mail:______________________________________  
About the Installer:  
Name:__________________________________________________________________________________________________  
Address:______________________________________City:_________________________State:_________Zip Code:_________  
Phone:__________________________Fax:_________________________E-mail:______________________________________  
Purchased From (if different than installer):  
Name:__________________________________________________________________________________________________  
Address:______________________________________City:_________________________State:__________Zip Code:________  
Phone:_________________________ Fax:_________________________ E-mail:______________________________________  
About your Heater:  
Model#:_______________________ Serial #:___________________________ Fuel:____________Installation Date:__________  
Type of Installation (check one):  
o Automotive  
o Manufacturing  
o Warehouse  
o Recreational  
o Aircraft  
o Public Building  
o Office  
o Retail  
o Agricultural  
o Other______________  
Installation Code and Annual Inspections: All installation and service of ROBERTS GORDON® equipment must be performed by a  
contractor qualified in the installation and service of equipment sold and supplied by Roberts-Gordon and conform to all  
requirements set forth in the ROBERTS GORDON® manuals and all applicable governmental authorities pertaining to the  
installation, service and operation of the equipment.  
To help facilitate optimum performance and safety, Roberts-Gordon recommends that a qualified contractor conduct, at a  
minimum, annual inspections of your ROBERTS GORDON® equipment and perform service where necessary, using only  
replacement parts sold and supplied by Roberts-Gordon.  
These products are not for residential use.  
This product is intended to assist licensed professionals in the exercise of their professional judgment.  
© 2009 Roberts-Gordon LLC - All rights reserved. No part of this work covered by the copyrights herein my be reproduced or  
copied in any form or by any means – graphic, electronic, or mechanical, including photcopying, recording, taping, or information  
storage and retrieval systems – without written permission of Roberts Gordon LLC. Printed in the U.S.A.  
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Attach this information to a wall near the ROBERTS GORDON® heater.  
®
I n f r a r e d H e a t i n g  
Read the Installation, Operation, and Service Manual thoroughly before installation, operation, or service.  
Know your model number and installed configuration.  
Model number and installed configuration are found on the burner and in the Installation, Operation and Service Manual.  
Write the largest clearance dimensions with permanent ink according to your model number and configuration in the open spaces below.  
OPERATING INSTRUCTIONS  
WARNING  
1. STOP! Read all safety instructions on this information sheet.  
2. Open the manual gas valve in the heater supply line.  
3. Turn on electric power to the heater.  
4. Set the thermostat to desired setting.  
TO TURN OFF THE HEATER  
1. Set the thermostat to off or the lowest setting.  
Fire Hazard  
IF THE HEATER WILL NOT OPERATE, TO ENSURE YOUR SAFETY,  
Keep all flammable objects, liquids and vapors the minimum  
FOLLOW THESE INSTRUCTIONS TO SHUT DOWN YOUR HEATER  
required clearances to combustibles away from heater.  
1. Set the thermostat to off or the lowest setting.  
2. Turn off electric power to the heater.  
3. Turn off the manual gas valve in the heater supply line.  
4. Call your registered installer/contractor qualified in the  
installation and service of gas-fired heating equipment.  
Some objects will catch fire or explode when placed close to  
heater.  
Failure to follow these instructions can result in death, injury  
or property damage.  
Maintain  
clearance  
to the side and  
clearance below  
the heater from vehicles  
and combustible materials.  
Roberts-Gordon Europe Limited  
Unit A, Kings Hill Business Park  
Darlaston Road, Wednesbury  
West Midlands WS10 7SH UK  
Telephone: +44 (0)121 506 7700  
Fax: +44 (0)121 506 7701  
Service Telephone: +44 (0)121 506 7709  
Service Fax: +44 (0)121 506 7702  
Roberts-Gordon LLC  
1250 William Street  
P.O. Box 44  
Buffalo, NY 14240-0044 USA  
Telephone: 716.852.4400  
Fax: 716.852.0854  
Toll Free: 800.828.7450  
Installation Code and Annual Inspections:  
All installation and service of ROBERTS GORDON® equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Roberts-Gordon and  
conform to all requirements set forth in the ROBERTS GORDON® manuals and all applicable governmental authorities pertaining to the installation, service and operation of the equipment. To help  
facilitate optimum performance and safety, Roberts-Gordon recommends that a qualified contractor conduct, at a minimum, annual inspections of your ROBERTS GORDON® equipment and  
perform service where necessary, using only replacement parts sold and supplied by Roberts-Gordon.  
Further Information: Applications, engineering and detailed guidance on systems design, installation and equipment performance is available through ROBERTS GORDON® representatives.  
Please contact us for any further information you may require, including the Installation, Operation and Service Manual.  
This product is not for residential use.  
© 2009 Roberts-Gordon LLC  
All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means – graphic, electronic, or mechanical, including photocopying,  
recording, taping, or information storage and retrieval systems – without written permission of Roberts-Gordon LLC.  
www.rg-inc.com  
Printed in U.S.A.  
P/N 91037912 Rev. H  
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