Part number 550-141-402/0801
13
CER Series 2 Electric-Hydronic Boilers Installation Instructions
Ratings
Dimensions
40201
Incoming power
2" conduit
7
"
5 16
/
14
"
15 16
/
2
"
15 16
/
17
"
1 8
/
2
"
7 16
/
19
"
1 16
/
19
"
5 8
/
25
"
3 16
/
18" Minimum
wall clearance
required for
element
removal.
14¼"
6½"
2¼"
¾" NPT
¾" Relief
valve
1¼" Supply
Conduit
knockouts
6½"
Combination pressure-
temperature gauge
Mounting
brackets (2)
½"
9
½"
22¼"
¾" NPT
2¼"
16"
5"
1¼" Return
19¼"
½"
DOE
Required wire sizes and weights
Boiler
model
number
DOE
heating
capacity
Boiler
input
Number
of
elements
Element fuse size
Wire size
90˚C field wiring
(Notes 1 and 2)
Total amperes
Boiler
water
content
Approximate
shipping wt.
KW
208V
240V
480V
208V
240V
480V
208V
240V
480V
Gallons
lbs.
Single phase
CER-24
82,000
24
3
50
50
--
1
2
--
116
101
--
5.2
170
CER-32
109,000
32
4
50
50
--
00
0
--
154
134
--
5.2
170
C-ER-40 137,000
40
5
50
50
--
000
000
--
192
167
--
5.2
170
3-phase
CER-24
82,000
24
3
30
30
JKS 15
4
4
8
67
58
29
5.2
170
CER-32
109,000
32
4
30
30
JKS 15
2
3
8
90
77
39
5.2
170
CER-40
137,000
40
5
30
30
JKS 15
1
2
6
112
97
49
5.2
170
Notes:
1. Single phase wire size uses two copper conductors. 3-phase wire size uses three copper conductors.
2. Wire size based on 1978 National Electrical Code. Consult national or local electrical code manuals for runs in excess of 50 feet. Do not use
aluminum wire.
