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Electric Instantaneous Water Heaters
Suggested Specification:
Instantaneous Water Heater shall be a Bradford White Model __________ with __________kW, _________vac ______________
t
o heat ________GPM @ a temperature rise of __________ degrees F. Unit shall have ABS UL 94 Vo rated cover. Heater body
a
nd element shall be glass reinforced UDEL.† Element shall be replaceable cartridge insert. Unit shall have a replaceable
filter in the inlet connector. Element shall be iron free, nickel-chrome material. Heater shall be fitted with 1/2" compression
nuts and sleeves to eliminate need for soldering. Maximum operating pressure of 150 psi. Hot water storage tanks
prohibited. Unit shall be Bradford White or approved equal.
Note: All models are Single Phase except the Thermostatic Three Phase (3 Module) Models.
Kwickshot models are not recommended for Space Heating Applications.
No chemicals shall be added to the Kwickshot models: Potable Water Only.
U.S. Patent No.’s: 4,762,980 and 4,960,976
UL Patent #'s 4,762,980 and 4,960,976.
UL Listed: E197168
-
Only for 240 Volt and below Single Phase Models
10
9
8
7
6
5
4
3
2
1
1
/
2
FLOW CHART
Typical Flow Rates in Gallons per Minute (gpm)
Electrical Configurations and Requirements for Bradford White Three Phase Tankless Water Heaters.
All Bradford White three-phase units are custom made to order and as such are, non-returnable and non-refundable. We urge you therfore to check your
electrical supply, making sure all criteria for operating your Bradford White water heaters are met, especially that a neutral line is available for all 480Y/277V volt units.
Fixture
Type
Bradford White 208/120 Three Phase Units
Delta Configuration
Requires: 3 Lives, 1 Ground (earth)
Three-Phase delta; Three-wire
Bradford White 480Y/277V Three Phase Units
Star Configuration
Requires: 3 Lives, 1 Neutral and
1 Ground
Three-Phase star; Four-wire; non-earthed neutral
Flow
Rates
Lavatory
Flow Rate, (GPM) =
Rise in Temp. (°F) =
kW Rating =
kW rating x 6.83
FORMULAS
kW rating x 6.83
GPM x rise in temp.
rise in temp. (°F)
rise in temp. (°F)
6.83
0.5
Bathtub
L1
L2
L3
2.0-4.0
Shower
1.5-4.0
Kitchen
Sink
1.0-1.5
Pantry
Sink
1.5-2.5
Laundry
Sink
2.5-3.0
Dishwasher
1.0-3.0
GPM
Temperature Rise - ˚F
POWER REQUIRED-kW
29.34kW
26.4kW
23.4kW
20.5kW
17.6kW
14.6kW
11.7kW
8.8kW
5.8kW
3.0kW
—
20˚F
44kW
39.5kW
35.1kW
30.7kW
26.4kW
22kW
17.6kW
13.0kW
8.8kW
4.4kW
—
30˚F
58.6kW
52.7kW
49.9kW
41kW
35.1kW
29kW
23.4kW
17.6kW
11.7kW
5.8kW
3.0kW
40˚F
73.2kW
65.9kW
58.6kW
51.2kW
44kW
37kW
29kW
22kW
14.6kW
7.3kW
3.6kW
50˚F
82kW
70.3kW
61.5kW
52.7kW
44kW
35.1kW
26.4kW
17.6kW
8.8kW
4.4kW
60˚F
82kW
71.5kW
61.5kW
51.2kW
41kW
30.7kW
20.5kW
10.2kW
5.1kW
70˚F
79kW
70.3kW
58.6kW
46.9kW
35.1kW
23.4kW
11.7kW
5.8kW
80˚F
79kW
65.9kW
52.7kW
39.5kW
26.4kW
13.0kW
6.5kW
90˚F
73.2kW
58.6kW
44kW
29.3kW
14.6kW
7.3kW
100˚F
64.4kW
48.3kW
32.2kW
16.1kW
8kW
110˚F
L1
N
L2
L3
Printed in U.S.A.
217-B-1108-A
©2008, Bradford White Corporation. All rights reserved.
Ambler
, PA
For U.S. and Canada field ser
vice, contact your pr
ofessional installer or local Bradfor
d White sales r
epresentative.
Sales 800-523-2931
●
Fax 215-641-1670 / T
echnical Suppor
t
800-334-3393
●
Fax 269-795-1089
●
W
ar
ranty
800-531-2111
●
Fax 269-795-1089
International:
Telephone 215-641-9400
●
Telefax 215-641-9750 / www.bradfordwhite.com
Sales / T
echnical Suppor
t
866-690-0961 / 905-238-0100
●
Fax 905-238-0105 / www
.bradfor
dwhite.com