7.
Remove wiring enclosure
(D)
from element plate
(I)
.
8.
Remove element plate screws
(C)
. Remove element
(B)
from tank.
9.
Replace the heating element
(B)
or perform the
necessary cleaning procedure. Ensure the element
O-ring
(J)
is in place.
4.2.8 REASSEMBLY OF HEATING
ELEMENT AND TANK
To reassemble the heating element and tank, follow the
steps listed in
SECTION 4.2.7
reverse order
. Make
sure the ground and power electrical wires are properly
reconnected using the provided washers, cup washers
and nuts. Ensure that the high-limit thermostat
(G)
is held
in place with thermostat plate
(E)
. Reconnect electrical
connections to original positions. Ensure the enclosure
O-ring
(H)
is in place.
NOTE:
To prevent leaks,
HOTSTART recommends
tightening element plate screws
(C)
to 120 lbf ·
in (13.5 N · m).
B
C
D
E
F
J
I
H
G
A.
Tank Drain
B.
Element
C.
Element plate bolts
D.
Wiring enclosure
E.
Thermostat clip
F.
Enclosure cover
G.
High-limit
thermostat
H.
Enclosure O-ring
I.
Element plate
J.
Element O-ring
Figure 10. Heating tank element phase
configurations. Replacement elements may be a
different phase configuration.
(3 PHASE WYE)
(1 PHASE PARALLEL)
(1 PHASE SERIES)
(3 PHASE WYE)
(1 PHASE PARALLEL)
(1 PHASE SERIES)
Figure 9. Removing and
replacing the heating
tank element. The
heating system should
be drained, cleaned and
flushed annually. See
SECTION 4.3
.
(3 PHASE WYE)
(1 PHASE PARALLEL)
(1 PHASE SERIES)
A
