EK3 Frontier Boiler Manual
33
Seventh Edition- October 2015
5
s
ys-08-020-
re
v
5
.d
w
g
SYS-
08-
0
20
5/10/
05
JS
S
h
e
e
t 7 o
f 8 L
o
w V
o
ltage
Wiring
, P
riority Zo
ne
fo
r
Dom
e
s
tic
Hot
Wa
te
r
EK3 w
it
h
Digita
l
Mg
r,
wit
h
Heat &
D
H
W & I
n
jection
T
o
Sy
s
tem
J
u
n
c
ti
on Bo
x
(See Line Vo
ltage W
iring
)
En
er
gy
Kin
e
tics Pa
rt N
u
mb
e
rs:
1.
10-0412
24V
C
ontrol Relay (HW R8225B).
2
.
10
-0
15
1-
E
3
/4
"
Zo
ne
V
a
lv
e
w/E
n
d
S
w
itc
h
es.
3. 1
0
-0152
Tran
sfor
me
r
24
V 50
VA
4.
1
0
-0
4
3
0
Taco 006B-IFC, Br
on
ze, Sw
eat,
1
/2
",
Integral
Flow
Chec
k.
5. 1
0
-0432
T
a
co
00
6B, Br
on
ze
, Th
re
aded
,
3/4"
6
. 1
0
-0205
Smart Pum
p
Assy,
00
6B-IFC,
w
ith
Ha
rn
ess
WIRING CON
F
IGU
R
ATION
:
PR
IORI
TY
ZON
E
for DO
MEST
IC HOT
WAT
E
R
(Smart
Pump po
were
d by
HW Ci
rc
R
e
la
y in System
Jun
c
ti
on
Box)
.
ZO
NE VAL
V
E
w/End Sw
itche
s
2
2
24
V RELAY
IN
JE
CTI
O
N CI
R
C
SE
NS
O
R
LEAD
S
SL
V
R
RD
24V POW
E
R FROM
TR
ANSF
O
R
M
E
R
2
4
V
A
C CO
NNE
CT
IO
N
O
N
L
Y
.
M
A
KI
N
G
AN
Y
C
O
N
N
E
C
T
IO
N
S
RE
A
D
I
N
S
T
RUCT
IO
NS
B
E
F
O
RE
CA
UT
IO
N
BL
K
TE
MP
3
4
C
IRC
UL
A
T
OR
14
0
13
0
10
0
MO
N
IT
O
R
12
0
15
0
19
0
16
0
17
0
POWE
R
IN
DUCER
BU
RNER
ONL
Y
CH
IM
N
E
Y
L
ES
S
3
4
DIGITA
L MA
NAGE
R
Ta
n
k
Aq
ua
s
tat
(DH
W
)
1
H
O
T WA
TE
R
1
M
ZHW
ZO
NE
V
A
L
VE
EN
D S
W
ITCHES
W
IRE
D FR
OM
2
4
V
A
C
O
N
MA
NA
GE
R TO
R
E
L
AY M
O
UN
T
E
D
ON SY
STEM
J
U
N
C
T
ION
B
O
X
Op
ti
on
swi
tch 10
o
n
Ma
n
a
ge
r mu
st be
"ON" for
ZHW t
o
hav
e
Priority
, if swit
ch
10 is "OFF" then ZHW
i
s
N
o
n-
Pri
o
ri
ty