Roberts Gorden GordonRay BH-175 User Manual
Page 5
ROBERTS GOR DON
®
BH- S
ERI E S
S
UBM IT TAL
S
HE E T
© 2004 Roberts-Gordon
BEFORE IN ST AL LATI ON AND OPER ATI ON OF HEATI NG E QUIPMENT, READ AND U NDERSTAND T HE INSTALL AT ION, OPERATIO N AND SERVICE MANUAL .
APPL ICATION S, ENGI NEE RING AND DET AI LE D GUID ANCE ON SYST EMS DE SIGN, INSTAL LATI ON AND PRODUCT PE RFORMANCE IS AVAI LABLE UPON RE QUEST. ROBERT S GORDON
®
PRODUCT S ARE T O BE
INSTAL LE D ONL Y IN ACCORDANCE WI TH L OCAL L AWS, CODES AND REGUL AT IONS, AND ONLY BY A CONT RACT OR QUALI FIE D I N THE I NST ALL AT ION AND SE RVICE OF GAS-FIRE D HE AT ING EQUI PME NT.
CLEARANCES TO COMBUSTIBLES
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream
from where the burner and burner tube connect.
3. “-” indicates an unapproved application. Roberts-Gordon prohibits the installation of
this heater for all unapproved applications.
Standard Reflector
(inches)
(centimeters)
Model
A
B
C
D
A
B
C
D
BH-40
6
27
52
27
16
69
133
69
BH-60
6
35
62
35
16
89
158
89
BH-80
6
38
65
38
16
97
166
97
BH-100
6
40
70
40
16
102
178
102
BH-115/125
6
46
76
46
16
117
194
117
BH-140/150
6
50
79
50
16
127
201
127
BH-175/200
8
52
82
52
21
133
209
133
C
B
D
A
One Side Reflector
(inches)
(centimeters)
Model
A
B
C
D
A
B
C
D
BH-40
6
9
52
44
16
23
133
112
BH-60
6
9
62
47
16
23
158
120
BH-80
6
9
69
54
16
23
176
138
BH-100
6
9
76
59
16
23
194
150
BH-115/125
6
9
82
65
16
23
209
166
BH-140/150
6
9
85
69
16
23
216
176
BH-175/200
8
9
88
73
21
23
224
186
C
B
D
A
Two Side Reflectors
(inches)
(centimeters)
Model
A
B
C
D
A
B
C
D
BH-40
6
15
52
15
16
39
133
39
BH-60
6
23
65
23
16
59
166
59
BH-80
6
25
71
25
16
64
181
64
BH-100
6
27
77
27
16
69
196
69
BH-115/125
6
32
83
32
16
82
211
82
BH-140/150
6
35
87
35
16
89
221
89
BH-175/200
8
40
91
40
21
102
232
102
C
B
D
A