Combi2, Energy saver models – Bradford-White Corp 546-B User Manual
Page 2
NATURAL GAS AND LIQUID PROPANE GAS
Model
Number
Capacity
Combi2
™
Energy Saver Models
72
76,000
63
26
328
30
7
⁄
8
61
1
⁄
4
4
16
53
F
Floor
to
Exchanger
Inlet
in.
C
Vent
Size
in.
Approx.
Shipping
Weight
lbs.
E
Floor
to
Gas
Conn.
in.
A
Floor to
Flue
Conn.
in.
D
Floor to
T&P
Conn.
in.
J
Floor
to
Water
Conn.
in.
B
Jacket
Dia.
in.
Gal.
U.S.
Input
Nat.
BTU/Hr.
81
Input
LP
BTU/Hr.
GPH
Nat.
U.S.
Recovery
90
°F Rise*
76,000
Model
Number
Capacity
Liters
272
22.3
317
F
Floor
to
Exchanger
Inlet
mm.
C
Vent
Size
mm.
Approx.
Shipping
Weight
kg.
E
Floor
to
Gas
Conn.
mm.
A
Floor to
Flue
Conn.
mm.
D
Floor to
T&P
Conn.
mm.
J
Floor
to
Water
Conn.
mm.
B
Jacket
Dia.
mm.
Input
Nat.
kW
22.3
Input
LP
kW
Hour
Nat.
Liters/
Hour
LP
Liters/
317
Recovery
50
°C Rise*
1530
660
1556
1346
406
1619
102
149
Meet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed
80% Recovery Efficiency
45
61
Gal.
Imp.
38
65,000 61,000
59
22
1
⁄
4
3
⁄
4
57
238
4
27
7
⁄
8
13
50
70
81
GPH
LP
U.S.
66
70
GPH
Nat.
Imp.
59
70
GPH
LP
Imp.
55
C-DW2-504T10FBN
C-DW2-75T10BN
C-DW2-504T10FBN
C-DW2-75T10BN
170
250
1403
559
1270
330
1505
53
G
Floor
to
Exchanger
Outlet
in.
G
Floor
to
Exchanger
Outlet
mm.
1619
50
1505
60
1
⁄
4
H
Floor
to
Top of
Heater
in.
H
Floor
to
Top of
Heater
mm.
1619
56
3
⁄
8
24
1
⁄
2
1432
102
108
1447
28
1
⁄
2
K
Depth
in.
K
Depth
mm.
724
622
17.9
19.1
265
Residential Atmospheric Vent Gas Water Heater System
Meets NAECA Requirements
General
All gas water heaters are certified at 300 PSI test pressure (2068 kPa) and 150 PSI working pressure (1034 kPa). All potable water and heat exchanger
connections are 3⁄4" NPT (19mm) on 11" (203mm) centers. All gas connections 1⁄2" (13mm).
All models design certified by CSA International (formerly AGA/CGA), ANSI Z-21.10.1 and/or 10.3 and peak performance rated.
Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.
Suitable for Water (Potable) Heating and Space Heating.
Toxic chemicals, such as those used for boiler treatment, shall NEVER be introduced into the potable water side. The potable side of this unit may NEVER
be connected to any existing heating system or component(s) previously used with a non-potable water heating appliance. The heat exchanger side of the
unit may be used in space heating applications.
All Propane heaters are equipped with a cast iron burner. To order a Propane heater change suffix “BN” to “CX”.
*Based on manufacturers rated recovery efficiency.
C
A
J
H
E
F
D & G
C-DW2-504T10
C-DW2-75T10
FBN
Model Number
FCX
BN
CX
I
Water Heating❂
CAEF
F
Space Heating
CAAFUE%
Max. Heating
Capacity✦
55,000
BTU/Hr.
(16.1 kW)
55,000
BTU/Hr.
(16.1 kW)
3
.55
.55
.52
.52
1
80.0
80.0
82.0
82.0
1
FHD
105
U.S. Gal.
100
U.S. Gal.
135
U.S. Gal.
135
U.S. Gal.
1
K
B
❂
Based on ANSI Z-21.10.1 and 10.3 and DOE Test Methods.
✦
Based on ANSI/ASHRAE 124 Standard.
Actual values may vary based on circulator flow rate, number of zones,
water and space heating demands. Numbers subject to change.
Heat Exchanger
Head Loss
GPM
2
5
8
10
12
Ft. of
Hd. Loss
trace
0.4
2.3
4.6
6.9
Note: (C-DW2-75T will not have a pedestal base)
Printed in U.S.A.
546-B-0807-A
©2007, Bradford White Corporation. All rights reserved.
Ambler, PA
For U.S. and Canada field service, contact your professional installer or local Bradford White sales representative.
Sales 800-523-2931
●
Fax 215-641-1670 / Technical Support 800-334-3393
●
Fax 269-795-1089
●
Warranty 800-531-2111
●
Fax 269-795-1089
International:
Telephone 215-641-9400
●
Telefax 215-641-9750 / www.bradfordwhite.com
Sales / Technical Support 866-690-0961 / 905-238-0100
●
Fax 905-238-0105 / www.bradfordwhite.com