Residential power vent gas water heater system, Combi2, Energy saver models – Bradford-White Corp 547-B User Manual
Page 2
NATURAL GAS AND LIQUID PROPANE GAS
Model
Number
Capacity
Combi2
™
TTW
®
Energy Saver Models
72
76,000
69
26
3
335
30
7
⁄
8
60
1
⁄
4
53
61
1
⁄
2
31
15
53
F
Floor to
Exchanger
Inlet
in.
G
Floor to
Exchanger
Outlet
in.
H
Floor
to
Heater
Top
in.
K
Depth
in.
J
Floor
to
Water
Conn.
in.
Approx.
Shipping
Weight
lbs.
E
Floor
to
Gas
Conn.
in.
A
Floor to
Vent
Conn.
in.
D
Floor to
T&P
Conn.
in.
C
Vent
Size
in.
B
Jacket
Dia.
in.
Gal.
U.S.
Input
Nat.
BTU/Hr.
82
Input
LP
BTU/Hr.
GPH
Nat.
U.S.
Recovery
90
°F Rise*
75,500
Model
Number
Capacity
Liters
272
22.3
306
F
Floor to
Exchanger
Inlet
mm.
G
Floor to
Exchanger
Outlet
mm.
H
Floor
to
Heater
Top
mm.
K
Depth
mm.
J
Floor
to
Water
Conn.
mm.
Approx.
Shipping
Weight
kg.
E
Floor
to
Gas
Conn.
mm.
A
Floor to
Vent
Conn.
mm.
D
Floor to
T&P
Conn.
mm.
C
Vent
Size
mm.
B
Jacket
Dia.
mm.
Input
Nat.
kW
22.1
Input
LP
kW
Hour
Nat.
Liters/
Hour
LP
Liters/
310
Recovery
50
°C Rise*
1772
660
76
1346
389
784
1549
1530
1562
787
152
Meet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed
80% Recovery Efficiency
45
61
Gal.
Imp.
38
67,000 60,000
65
22
7
⁄
8
3
⁄
4
3
245
28
56
3
⁄
8
50
1
⁄
8
26
3
⁄
4
57
3
⁄
4
11
3
⁄
4
50
1
⁄
8
72
81
GPH
LP
U.S.
65
69
GPH
Nat.
Imp.
60
67
GPH
LP
Imp.
54
C-DW2-TW50T10FBN
C-DW2-TW75T10BN
C-DW2-TW50T10FBN
C-DW2-TW75T10BN
170
246
1673
559
1273
298
711
1273
1432
1467
679
111
76
17.5
19.6
272
Residential Power 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.
110 V.A.C Required for Power Venting / 110 V.A.C., 60HZ, 3.1 Amperes.
C
A
J
H
E
F
D & G
Subtract 5 ft. for each additional 90° elbow.
†For high altitude installations, consult the
installation instructions.
**C-DW2-TW75T maximum 3" vent length is
50 ft.
3"
Vent Pipe
4"
Vent Pipe
C-DW2-TW50T
C-DW2-TW75T
†60 ft.**
7 ft.
55 ft.
50 ft.
45 ft.
†180 ft.
15 ft.
175 ft.
170 ft.
165 ft.
Max. Equivalent Length
Min. Equivalent Length
Number 1
of 2
90
° Elbows 3
C-DW2-TW50T10
C-DW2-TW75T10
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
.65
.65
.64
.64
1
82.0
82.0
82.0
82.0
1
FHD
105
U.S. Gal.
98
U.S. Gal.
135
U.S. Gal.
133
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-TW75T will not have a pedestal base)
Printed in U.S.A.
547-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