AM Series Boilers and Water Heaters
CHAPTER 5: INSTALLATION - ELECTRICAL
OMM-0100_0D
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
47
of
154
GF-146
Ph.: 800-526-0288
03/28/16
CHAPTER 5:
INSTALLATION - ELECTRICAL
5.1 Electrical Connections – Boilers and Water Heaters
5.1.1 Power Supply Cable Connection - Boilers and Water Heaters
Provide and install a fused disconnect or service switch (15 amp recommended) as required by
prevailing codes. To connect the electrical line voltage power supply cable, refer to Figure 5-1.
Figure 5-1: Line Voltage Connection
Figure 5-2: Boiler Electrical Junction Box Connections
(W/ Optional DHW through an Indirect Tank)
Indi
re
c
t t
a
nk
s
e
ns
or
S
eco
n
d
ar
y
p
u
m
p
r
el
ay
(L
1
)
120VAC VOLTAGE TERMINALS
24VDC VOLTAGE TERMINALS
S
eco
n
d
ar
y p
u
m
p
r
el
ay
(
N
)
(m
a
x
3
A)
Indi
re
c
t D
H
W
pum
p (
L1
) (
m
a
x
3
A
)
Indi
re
c
t t
a
nk
s
e
ns
or
Indirect tank sensor
(Factory supplied)
Secondary
pump (Max 3A)
Indirect DHW
pump (Max 3A)
E
na
bl
e
/
D
is
a
bl
e
(d
ry
c
o
n
ta
c
t)
E
na
bl
e
/
D
is
a
bl
e
Indi
re
c
t D
H
W
pum
p
(L
1
)
