STA-RITE SR400NA - Heater Main Systems

SECTION ONE – Heater Design and Function
1-2
2684 1096
P
R
E
S
S
T
A
B
V
E
N
T
P
I
L
O
T
O
F
F
OFF
O
N
ON
1
3
4
4
5
6
8
7
9
11
10
2
12
13
Heater Main Systems
The Heater Has
Three Main Systems:
• The EE
EE
ll
ll
ee
ee
cc
cc
tt
tt
rr
rr
ii
ii
cc
cc
aa
aa
ll
ll
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
• The BB
BB
uu
uu
rr
rr
nn
nn
ee
ee
rr
rr
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
• The WW
WW
aa
aa
tt
tt
ee
ee
rr
rr
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
The EE
EE
ll
ll
ee
ee
cc
cc
tt
tt
rr
rr
ii
ii
cc
cc
aa
aa
ll
ll
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
is
controlled through
the MM
MM
ee
ee
mm
mm
bb
bb
rr
rr
aa
aa
nn
nn
ee
ee
PP
PP
aa
aa
dd
dd
and
CC
CC
oo
oo
nn
nn
tt
tt
rr
rr
oo
oo
ll
ll
BB
BB
oo
oo
aa
aa
rr
rr
dd
dd
((
((
##
##
11
11
))
))
;
It includes:
the II
II
gg
gg
nn
nn
ii
ii
tt
tt
ee
ee
rr
rr
((
((
##
##
22
22
))
))
,
the CC
CC
oo
oo
nn
nn
tt
tt
rr
rr
oo
oo
ll
ll
BB
BB
oo
oo
xx
xx
with
II
II
gg
gg
nn
nn
ii
ii
tt
tt
ii
ii
oo
oo
nn
nn
CC
CC
oo
oo
nn
nn
tt
tt
rr
rr
oo
oo
ll
ll
MM
MM
oo
oo
dd
dd
uu
uu
ll
ll
ee
ee
and AA
AA
ii
ii
rr
rr
FF
FF
ll
ll
oo
oo
ww
ww
SS
SS
ww
ww
ii
ii
tt
tt
cc
cc
hh
hh
((
((
##
##
33
33
))
))
,
the SS
SS
tt
tt
aa
aa
cc
cc
kk
kk
FF
FF
ll
ll
uu
uu
ee
ee
SS
SS
ee
ee
nn
nn
ss
ss
oo
oo
rr
rr
,,
,,
HH
HH
ii
ii
gg
gg
hh
hh
LL
LL
ii
ii
mm
mm
ii
ii
tt
tt
SS
SS
ww
ww
ii
ii
tt
tt
cc
cc
hh
hh
,
AA
AA
uu
uu
tt
tt
oo
oo
mm
mm
aa
aa
tt
tt
ii
ii
cc
cc
GG
GG
aa
aa
ss
ss
SS
SS
hh
hh
uu
uu
tt
tt
oo
oo
ff
ff
ff
ff
,
and TT
TT
hh
hh
ee
ee
rr
rr
mm
mm
ii
ii
ss
ss
tt
tt
oo
oo
rr
rr
((
((
##
##
44
44
))
))
,
the CC
CC
oo
oo
mm
mm
bb
bb
ii
ii
nn
nn
aa
aa
tt
tt
ii
ii
oo
oo
nn
nn
GG
GG
aa
aa
ss
ss
CC
CC
oo
oo
nn
nn
tt
tt
rr
rr
oo
oo
ll
ll
VV
VV
aa
aa
ll
ll
vv
vv
ee
ee
((
((
##
##
55
55
))
))
,
the CC
CC
oo
oo
mm
mm
bb
bb
uu
uu
ss
ss
tt
tt
ii
ii
oo
oo
nn
nn
AA
AA
ii
ii
rr
rr
BB
BB
ll
ll
oo
oo
ww
ww
ee
ee
rr
rr
((
((
##
##
66
66
))
))
,
and the WW
WW
ii
ii
rr
rr
ii
ii
nn
nn
gg
gg
HH
HH
aa
aa
rr
rr
nn
nn
ee
ee
ss
ss
ss
ss
(not shown).
Figure 1-2: Heater Systems
The
BB
BB
uu
uu
rr
rr
nn
nn
ee
ee
rr
rr
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
includes
the CC
CC
oo
oo
mm
mm
bb
bb
ii
ii
nn
nn
aa
aa
tt
tt
ii
ii
oo
oo
nn
nn
GG
GG
aa
aa
ss
ss
CC
CC
oo
oo
nn
nn
tt
tt
rr
rr
oo
oo
ll
ll
VV
VV
aa
a
a
ll
ll
vv
vv
ee
ee
((
((
##
##
55
55
))
))
,,
,,
CC
CC
oo
oo
mm
mm
bb
bb
uu
uu
ss
ss
tt
tt
ii
ii
oo
oo
nn
nn
AA
AA
ii
ii
rr
rr
BB
BB
l
l
ll
oo
oo
ww
ww
ee
ee
rr
rr
((
((
##
##
66
66
))
))
,,
,,
AA
AA
ii
ii
rr
rr
OO
OO
rr
rr
ii
ii
ff
ff
ii
ii
cc
cc
ee
ee
((
((
##
##
77
77
))
))
,,
,,
FF
FF
ll
ll
aa
aa
mm
mm
ee
ee
hh
hh
oo
oo
ll
ll
dd
dd
ee
ee
rr
rr
//
//
BB
BB
uu
uu
rr
rr
nn
nn
ee
ee
rr
rr
((
((
##
##
88
88
))
))
,,
,,
CC
CC
oo
oo
mm
mm
bb
bb
uu
uu
ss
ss
tt
tt
ii
ii
oo
oo
nn
nn
CC
CC
hh
hh
aa
aa
mm
mm
bb
bb
ee
ee
rr
rr
((
((
##
##
99
99
))
))
,,
,,
EE
EE
xx
x
x
hh
hh
aa
aa
uu
uu
ss
ss
tt
tt
VV
VV
ee
ee
nn
nn
tt
tt
((
((
##
##
11
11
00
00
))
))
, and
GG
GG
aa
aa
ss
ss
OO
OO
rr
rr
ii
ii
ff
ff
ii
ii
cc
cc
ee
ee
(not shown).
The WW
WW
aa
aa
tt
tt
ee
ee
rr
rr
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
includes:
the MM
MM
aa
aa
nn
nn
ii
ii
ff
ff
oo
oo
ll
ll
dd
dd
((
((
##
##
11
11
11
11
))
))
,,
,,
the HH
HH
ee
ee
aa
aa
tt
tt
EE
EE
xx
xx
cc
cc
hh
hh
aa
aa
nn
nn
gg
gg
ee
ee
rr
rr
((
((
##
##
11
11
22
22
))
))
,,
,,
and
the WW
WW
aa
aa
tt
tt
ee
ee
rr
rr
PP
PP
rr
rr
ee
ee
ss
ss
ss
ss
uu
uu
rr
rr
ee
ee
SS
S
S
ww
ww
ii
ii
tt
tt
cc
cc
hh
hh
((
((
##
##
11
11
33
33
))
))
.
NOTE: All heaters built prior
to 4/27/04 are single voltage
(115VAC). Heaters built on or
after 4/27/04 are dual voltage
(120/240VAC). Some electrical
parts are not interchangeable.
See the insdie front cover of
this manual for identification
information.