EK3 Frontier Boiler Manual
38
Seventh Edition- October 2015
S
M
A
R
T
F
IL
T
E
R
S
M
A
R
T
F
IL
T
E
R
H
EAT
EX
C
H
AN
G
E
R
L
E
B
A
NO
N,
NJ
0
8
8
3
3
SYSTEM 20
00
MO
D
E
L
1
8
U
Z2
Z4
Z1
ZH
W
EN
ER
G
Y
M
AN
AG
E
R
HO
T
W
A
T
E
R
3
2
1
SY
S
T
EM
2
00
0
TH
W
T3
T1
T2
3
2
1
B1
CI
RC
B2
IN
D
24
V
A
C
ER
G
Y
ET
IC
S
CA
UT
IO
N
CI
R
C
U
LA
T
O
R
IN
D
U
C
ER
BU
R
N
ER
T EMP. S ENS.
S
T4
R
B
A2
KI
N
EN
Le
ba
no
n,
N
e
w
J
er
s
e
y
A1
44
Z3
Injection Loop
(see table f
o
r si
zi
n
g
)
S
M
A
R
T
F
IL
T
E
R
Loop Circulator See
Note
9
3
s
y
s
-04-019-rev
3
.d
w
g
S
Y
S
-04-019
05
/19/0
5
JS
P
ri
m
a
ry
,
Se
co
nd
ary
Loop
She
e
t 1
of 4
Mul
ti
p
le
EK3 Boil
er Instal
lati
on
2,
142,000
1,42
8,00
0
1,07
1,00
0
1,
785,000
( BTU
)
71
4,00
0
Note
s
:
1.
P
ipe
s
iz
in
g
is
b
a
s
e
d on
u
s
in
g EK3
bo
ilers
at
maximu
m firing
ra
te
of
3
gp
h,
wi
th
2
0
de
gre
e
dro
p
t
h
ro
ug
h
primary
lo
o
p
z
o
n
e
s
an
d
40
de
g
ree
ris
e
t
h
ro
ug
h
the
b
o
ile
rs
.
2.
If Pr
ima
ry
Loo
p is
l
o
c
a
te
d below
th
e
Se
con
d
a
ry L
o
o
p
s
, flow ch
ecks sh
o
u
ld
b
e
in
s
tal
le
d to pr
e
v
en
t the
rmos
iph
oni
n
g
.
If
Primary
Lo
op
u
s
es h
igh
te
mpe
rat
ur
e
wa
te
r,
a se
con
d
flow ch
eck ma
y be
re
q
u
ire
d
.
3.
E
a
c
h
b
o
iler
ha
s
an
e
x
pa
ns
io
n
tan
k
an
d
re
lief
v
a
lve.
4.
A
ddi
tion
al
e
x
pa
ns
ion tan
k
c
a
p
a
c
ity
may
b
e
required for large sy
st
em
s
.
5.
E
a
c
h
b
o
iler
mu
s
t b
e
pi
ped
fo
r mak
e
-u
p
wat
e
r.
6.
A
multi boil
er control (T
ekm
a
r) is
sug
g
e
s
ted
.
7.
A
s
h
or
t le
ngth
o
f p
ipe
be
tw
ee
n th
e sup
p
ly
&
ret
u
rn tees
re
d
u
ce
s he
ad
lo
s
s
a
n
d
press
u
re diff
erence between them
.
The
c
ente
r
to c
e
nter
d
ime
ns
io
n of the
tee
s
s
hou
ld
n
o
t ex
c
e
ed
4
ti
mes
the
d
ia
m
eter
of
th
e pr
im
ar
y
lo
op
p
iping
.
8.
F
o
r
lo
o
p
s
gr
e
a
ter
tha
n
10
0 ft, in
c
rea
s
e
to
ne
xt
la
rg
er
pi
pe
size.
9.
W
h
en
u
s
in
g Z
one
Val
v
es
, loc
a
te
L
o
o
p
C
irculat
or ah
ea
d of th
e
Zon
e
Va
lves
b
u
t
a
ft
e
r
any Zone or D
H
W Circs. Add
a 1/
2
"
c
o
p
p
e
r
B
y
pass w
ith
a
ball valve for ba
la
nc
in
g
be
twee
n t
h
e
su
pp
ly
an
d re
tu
rn
he
a
d
e
r.
1
0
. Lo
op
C
ir
c
s
h
o
u
ld
be
l
o
c
a
te
d a
fter
an
y
Zo
ne
or DHW circ
s.
This
wi
ll
a
llo
w
D
H
W
p
rod
uc
tio
n
du
ri
n
g
w
a
rm
w
e
athe
r
s
h
ut
do
w
n
of
the Primary Loo
p.
11
. DH
W
C
irc sh
ou
ld
b
e
l
o
c
a
te
d
f
ir
s
t on
pr
im
ar
y
lo
o
p
,
a
s
c
los
e
to
th
e in
jec
ti
o
n
tees
as
p
o
s
s
ibl
e bu
t a
fte
r the loop temp
se
ns
o
r.
This will ke
ep
th
e
amou
n
t o
f loo
p
he
at
e
d
t
o
a
m
ini
mum
d
u
ri
ng w
a
rm
w
e
athe
r s
h
ut
do
w
n
.
1
2
. W
hen
us
ing D
H
W
z
o
n
e
s
off
o
f
pr
im
ar
y
lo
op
,
DH
W
prio
rit
y
is
ha
nd
le
d
by
th
e
Te
km
a
r.
Gross Out
p
ut
5
6
4
3
2
B
o
iler
s
N
u
m
ber of
In
je
c
ti
o
n
Loo
p
Size
GPM
3"
3"
2-1/
2
"
210
180
14
0
110
70
3-1
/2
"
2"
5"
3-1/2
"
4"
5"
3"
Size
G
P
M
105
70
90
55
35
Zo
ne
C
ircul
at
ors
DH
W o
r
Radia
n
t
Zone
s
L
E
B
A
N
O
N
, N
J
08833
L
E
B
A
N
O
N
, N
J
088
33
T
e
mp S
e
ns
or
See
note 7
EK
3
EK3
EK
3
1
35
7,00
0
2
"
3
6
1
-1/2
"
1
8
Zo
ne
Va
lve
s
Lo
o
p
Circ: Use
IF
C
o
r
us
e
a
Fl
ow
C
h
eck
