PVI Industries PV 500-6 Water Heater User Manual


 
DURAWATT
®
ELECTRIC WATER HEATER
PV500-6 09/07 10
ELEMENT CONTINUITY CHECKS
I. II III. IV. V.
I. II. III. IV.
V.
ELEMENT RATING
CHECK OPEN
COILS
OHM
READING
NORMAL
OHM READING 1
LEG OPEN
OHM READING
2 LEGS OPEN
OHM READING 3
LEGS OPEN
OHM READING
TERMINAL TO
FLANGE
kW VOLT
18 480 A-B 26 78
DEPENDING ON
THE SEVERITY
OF THE SHORT,
THE OHM
READING MAY
VARY FROM
ZERO, (DIRECT
SHORT) TO
SEVERAL
HUNDRED
OHMS (PARTIAL
SHORT). IN
ANY CASE
WHERE THE
OHM READING
IS NOT INFINITY,
THE ELEMENT
SHOULD BE
REPLACED
B-C 26 39 39
C-A 26 39
18 240 A-B 7 20
B-C 7 10 10
C-A 7 10
18 208 A-B 5 15
B-C 5 7.5 7.5
C-A 5 7.5
9 480 A-B 51 153
B-C 51 76.5 76.5
C-A 51 76.5
9 240 A-B 13 39
B-C 13 19.5 19.5
C-A 13 19.5
9 208 A-B 10 30
B-C 10 15 15
C-A 10 15
4.5 480 A-B 102 306
B-C 102 153 153
C-A 102 153
4.5 240 A-B 26 78
B-C 26 39 39
C-A 26 39
4.5 208 A-B 19 58
B-C 19 29 29
C-A
19
29
TABLE 1