Durawatt, Electric water heater – PVI Industries PV 500-6 User Manual
Page 12
DURAWATT
®
ELECTRIC WATER HEATER
PV500-6 09/07
12
NOTE: Elements are
usually
wired to contactors in groups, in order to maintain an amperage draw of close to, but not more
than, 50 amps per contactor.
*Applications for 600V use a re-rated 480V element. Therefore, the 40W/in.
2
is rated for 14 kW instead of 9 kW.
KW-VOLTAGE
3
Ø AMPS PER ELEMENT
1
Ø AMPS PER ELEMENT
AMPS PER LEG
AMPS TOTAL
AMPS PER LEG
AMPS TOTAL
*14 kW-600V
13 1/2
13 1/2
—
—
*7 kW-600V
7
7
—
—
18 kW-480V
22
22
—
—
9 kW-480V
11
11
—
—
4.5 kW-480V
5 1/2
5 1/2
—
—
18
kW-240V
44 44 25 75
9
kW-240V
22 22 13 38
4.5
kW-240V
11 11 6 18
18
kW-208V
50 50 29 87
9
kW-208V
25 25 15 44
4.5 kW-208V
12 1/2
12 1/2
7
22
TABLE 2
TYPICAL CURRENT MEASUREMENT
FIGURE 11
FIGURE 12
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